Every extension, oldest first

siso

We have seen siso registered in 159 extensions. The oldest is siso.com, registered on 16 Sep 1996; the newest, siso.it, on 28 Sep 2026.

Checking which of them answer in DNS today…

Seen in: 159 extensions
Oldest: 1996 siso.com
Newest: 2026 siso.it
In DNS today: … checking

Registrations by year

1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
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2001
2002
2003
2004
2005
2006
2007
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2011
2012
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2014new generic extensions
2015
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2023
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2026

in DNS todaynot in DNSnot checked yetoldest
Each dot is one extension, placed in the year its current registration began. The shaded years are the era of the new generic extensions, which opened in 2014. 46 names have no date on record and are not on the axis.

Registered in

Year	Domain	Registered	Expires	Registrar	Details	DNS today
1996	siso.com	16 Sep 1996	Sep 2030	Network Solutions, LLC	16 Sep 1996 · expires Sep 2030	checking…
1996	siso.org	28 Oct 1996	Oct 2026	GoDaddy.com, LLC	28 Oct 1996 · expires Oct 2026	checking…
1996	siso.dk	18 Dec 1996	Dec 2026	—	18 Dec 1996 · expires Dec 2026	checking…
1997	siso.nl	26 Sep 1997	—	—	26 Sep 1997	checking…
1998	siso.fr	5 Oct 1998	Jun 2027	ASTURIA	5 Oct 1998 · expires Jun 2027	checking…
2001	siso.org.sg	19 Mar 2001	Mar 2028	Dreamscape Networks Internati…	19 Mar 2001 · expires Mar 2028	checking…
2001	siso.net	30 Aug 2001	Aug 2028	GANDI SAS	30 Aug 2001 · expires Aug 2028	checking…
2004	siso.se	22 Jan 2004	—	One.com	22 Jan 2004	checking…
2005	siso.co.uk	16 Feb 2005	Feb 2027	123-Reg Limited t/a 123-reg	16 Feb 2005 · expires Feb 2027	checking…
2005	siso.no	2 Jun 2005	—	WEBHUSET AS	2 Jun 2005	checking…
2006	siso.org.uk	26 Jul 2006	Jul 2026 (passed)	123-Reg Limited t/a 123-reg	26 Jul 2006 · expiry Jul 2026 (passed)	checking…
2007	siso.pl	24 Jan 2007	—	—	24 Jan 2007	checking…
2007	siso.com.pl	22 Jun 2007	Jun 2029	OVH SAS	22 Jun 2007 · expires Jun 2029	checking…
2008	siso.cat	27 Oct 2008	Oct 2026	NOMINALIA INTERNET S.L.	27 Oct 2008 · expires Oct 2026	checking…
2009	siso.mobi	23 Feb 2009	Feb 2027	PDR Ltd. d/b/a PublicDomainRe…	23 Feb 2009 · expires Feb 2027	checking…
2010	siso.co	20 Jul 2010	Jul 2026 (passed)	Domainbox Limited	20 Jul 2010 · expiry Jul 2026 (passed)	checking…
2011	siso.be	6 Mar 2011	—	CRegISP Ltd	6 Mar 2011	checking…
2012	siso.org.pl	23 Apr 2012	—	—	23 Apr 2012	checking…
2012	siso.info	21 May 2012	May 2027	PDR Ltd. d/b/a PublicDomainRe…	21 May 2012 · expires May 2027	checking…
2012	siso.cz	1 Nov 2012	Oct 2026	REG-ONE	1 Nov 2012 · expires Oct 2026	checking…
2014	siso.com.ar	6 Apr 2014	Apr 2027	nicar	6 Apr 2014 · expires Apr 2027	checking…
2016	siso.pt	8 Feb 2016	Feb 2027	—	8 Feb 2016 · expires Feb 2027	checking…
2016	siso.com.sg	17 Apr 2016	Apr 2028	Dreamscape Networks Internati…	17 Apr 2016 · expires Apr 2028	checking…
2016	siso.edu.sg	19 Apr 2016	Apr 2028	Dreamscape Networks Internati…	19 Apr 2016 · expires Apr 2028	checking…
2016	siso.com.pt	1 Sep 2016	Aug 2029	—	1 Sep 2016 · expires Aug 2029	checking…
2017	siso.site	13 Jun 2017	Jun 2027	Alibaba Cloud Computing Ltd.…	13 Jun 2017 · expires Jun 2027	checking…
2017	siso.uk	22 Aug 2017	Aug 2026 (passed)	123-Reg Limited t/a 123-reg	22 Aug 2017 · expiry Aug 2026 (passed)	checking…
2017	siso.com.br	4 Oct 2017	—	—	4 Oct 2017	checking…
2017	siso.vip	15 Nov 2017	Nov 2026	Alibaba Cloud Computing Ltd.…	15 Nov 2017 · expires Nov 2026	checking…
2018	siso.cloud	15 Jan 2018	Jan 2027	Domeneshop AS dba domainnames…	15 Jan 2018 · expires Jan 2027	checking…
2018	siso.sg	19 Mar 2018	Mar 2028	Dreamscape Networks Internati…	19 Mar 2018 · expires Mar 2028	checking…
2018	siso.team	7 May 2018	May 2028	Gandi SAS	7 May 2018 · expires May 2028	checking…
2018	siso.co.in	22 Jun 2018	Jun 2028	GoDaddy	22 Jun 2018 · expires Jun 2028	checking…
2018	siso.ru	17 Jul 2018	—	REGRU-RU	17 Jul 2018	checking…
2018	siso.asia	13 Aug 2018	Aug 2026 (passed)	Mesh Digital Limited	13 Aug 2018 · expiry Aug 2026 (passed)	checking…
2018	siso.limited	13 Aug 2018	Aug 2026 (passed)	Mesh Digital Limited	13 Aug 2018 · expiry Aug 2026 (passed)	checking…
2018	siso.solutions	13 Aug 2018	Aug 2026 (passed)	Mesh Digital Limited	13 Aug 2018 · expiry Aug 2026 (passed)	checking…
2019	siso.world	11 Feb 2019	Feb 2027	GoDaddy.com, LLC	11 Feb 2019 · expires Feb 2027	checking…
2019	siso.tv	14 Mar 2019	Mar 2027	GoDaddy.com, LLC	14 Mar 2019 · expires Mar 2027	checking…
2019	siso.ink	26 Apr 2019	Apr 2029	Alibaba Cloud Computing Ltd.…	26 Apr 2019 · expires Apr 2029	checking…
2019	siso.us	4 Jul 2019	Jul 2027	Mesh Digital Limited	4 Jul 2019 · expires Jul 2027	checking…
2020	siso.ca	6 May 2020	May 2027	Grape Inc.	6 May 2020 · expires May 2027	checking…
2021	siso.jp	2 Feb 2021	Feb 2027	—	2 Feb 2021 · expires Feb 2027	checking…
2021	siso.co.th	6 Jul 2021	Jul 2027	T.H.NIC Co., Ltd.	6 Jul 2021 · expires Jul 2027	checking…
2021	siso.cool	31 Oct 2021	Oct 2031	Alibaba Cloud Computing Ltd.…	31 Oct 2021 · expires Oct 2031	checking…
2021	siso.life	31 Oct 2021	Oct 2031	Alibaba Cloud Computing Ltd.…	31 Oct 2021 · expires Oct 2031	checking…
2021	siso.tech	31 Oct 2021	Oct 2031	Alibaba Cloud Computing Ltd.…	31 Oct 2021 · expires Oct 2031	checking…
2022	siso.ai	16 Apr 2022	Apr 2028	Dynadot Inc	16 Apr 2022 · expires Apr 2028	checking…
2022	siso.love	28 Jul 2022	Jul 2027	Sav.com, LLC	28 Jul 2022 · expires Jul 2027	checking…
2022	siso.digital	6 Sep 2022	Sep 2027	OVH SAS	6 Sep 2022 · expires Sep 2027	checking…
2022	siso.dev	11 Sep 2022	Sep 2033	Porkbun LLC	11 Sep 2022 · expires Sep 2033	checking…
2023	siso.systems	25 Jun 2023	Jun 2027	Wild West Domains, LLC	25 Jun 2023 · expires Jun 2027	checking…
2023	siso.vet	27 Jun 2023	Jun 2027	Squarespace Domains II LLC	27 Jun 2023 · expires Jun 2027	checking…
2023	siso.si	3 Oct 2023	Oct 2026 (passed)	INWX GmbH	3 Oct 2023 · expiry Oct 2026 (passed)	checking…
2023	siso.app	3 Dec 2023	Dec 2026	Sav.com, LLC	3 Dec 2023 · expires Dec 2026	checking…
2024	siso.studio	18 Jan 2024	Jan 2027	Tucows Domains Inc.	18 Jan 2024 · expires Jan 2027	checking…
2024	siso.to	6 Apr 2024	Aug 2028	NAMECHEAP	6 Apr 2024 · expires Aug 2028	checking…
2024	siso.cl	11 Apr 2024	Apr 2029	—	11 Apr 2024 · expires Apr 2029	checking…
2024	siso.africa	15 Aug 2024	Aug 2027	Namecheap, Inc.	15 Aug 2024 · expires Aug 2027	checking…
2024	siso.blog	15 Aug 2024	Aug 2027	Namecheap	15 Aug 2024 · expires Aug 2027	checking…
2024	siso.global	15 Aug 2024	Aug 2027	NameCheap, Inc.	15 Aug 2024 · expires Aug 2027	checking…
2024	siso.holdings	15 Aug 2024	Aug 2027	NameCheap, Inc.	15 Aug 2024 · expires Aug 2027	checking…
2024	siso.llc	15 Aug 2024	Aug 2027	NameCheap, Inc.	15 Aug 2024 · expires Aug 2027	checking…
2024	siso.technology	15 Aug 2024	Aug 2027	NameCheap, Inc.	15 Aug 2024 · expires Aug 2027	checking…
2024	siso.build	17 Sep 2024	Sep 2026 (passed)	MarkMonitor Inc.	17 Sep 2024 · expiry Sep 2026 (passed)	checking…
2025	siso.xyz	14 Jan 2025	Jan 2027	Alibaba Cloud Computing Ltd.…	14 Jan 2025 · expires Jan 2027	checking…
2025	siso.company	8 Apr 2025	Apr 2027	Wild West Domains, LLC	8 Apr 2025 · expires Apr 2027	checking…
2025	siso.international	8 Apr 2025	Apr 2027	Wild West Domains, LLC	8 Apr 2025 · expires Apr 2027	checking…
2025	siso.rocks	8 Apr 2025	Apr 2027	Wild West Domains, LLC	8 Apr 2025 · expires Apr 2027	checking…
2025	siso.online	5 May 2025	May 2027	GoDaddy.com, LLC	5 May 2025 · expires May 2027	checking…
2025	siso.plus	5 May 2025	May 2027	GoDaddy.com, LLC	5 May 2025 · expires May 2027	checking…
2025	siso.social	28 May 2025	May 2028	Cloudflare, Inc	28 May 2025 · expires May 2028	checking…
2025	siso.org.inpending delete on 9 Aug 2026	6 Jun 2025	Jun 2026 (passed)	HOSTINGER operations, UAB	6 Jun 2025 · expiry Jun 2026 (passed)	checking…
2025	siso.ltd	9 Sep 2025	Sep 2026 (passed)	Domain Science Kutatási Szolg…	9 Sep 2025 · expiry Sep 2026 (passed)	checking…
2025	siso.group	15 Sep 2025	Sep 2026 (passed)	Chengdu west dimension digita…	15 Sep 2025 · expiry Sep 2026 (passed)	checking…
2025	siso.io	11 Oct 2025	Oct 2027	Dynadot Inc	11 Oct 2025 · expires Oct 2027	checking…
2025	siso.am.in	25 Oct 2025	Oct 2026 (passed)	Dynadot, LLC	25 Oct 2025 · expiry Oct 2026 (passed)	checking…
2025	siso.autos	25 Oct 2025	Oct 2026 (passed)	Dynadot Inc	25 Oct 2025 · expiry Oct 2026 (passed)	checking…
2025	siso.forum	25 Oct 2025	Oct 2026 (passed)	Dynadot, LLC	25 Oct 2025 · expiry Oct 2026 (passed)	checking…
2025	siso.locker	25 Oct 2025	Oct 2026 (passed)	Dynadot, LLC	25 Oct 2025 · expiry Oct 2026 (passed)	checking…
2025	siso.lol	25 Oct 2025	Oct 2026 (passed)	Dynadot Inc	25 Oct 2025 · expiry Oct 2026 (passed)	checking…
2025	siso.rest	25 Oct 2025	Oct 2026 (passed)	Dynadot, LLC	25 Oct 2025 · expiry Oct 2026 (passed)	checking…
2025	siso.in	26 Nov 2025	Nov 2027	Porkbun LLC	26 Nov 2025 · expires Nov 2027	checking…
2025	siso.capital	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.delivery	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.finance	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.financial	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.fund	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.insure	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.investments	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.legal	15 Dec 2025	Dec 2027	NameCheap, Inc.	15 Dec 2025 · expires Dec 2027	checking…
2025	siso.tax	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.ventures	15 Dec 2025	Dec 2026	NameCheap, Inc.	15 Dec 2025 · expires Dec 2026	checking…
2025	siso.foundation	22 Dec 2025	Dec 2026	NameCheap, Inc.	22 Dec 2025 · expires Dec 2026	checking…
2025	siso.pictures	24 Dec 2025	Dec 2026	One.com A/S	24 Dec 2025 · expires Dec 2026	checking…
2026	siso.ovh	18 Jan 2026	Jan 2027	OVH, SAS	18 Jan 2026 · expires Jan 2027	checking…
2026	siso.store	8 Mar 2026	Mar 2027	GoDaddy.com, LLC	8 Mar 2026 · expires Mar 2027	checking…
2026	siso.care	10 Mar 2026	Mar 2029	GoDaddy.com, LLC	10 Mar 2026 · expires Mar 2029	checking…
2026	siso.uz	16 Mar 2026	Mar 2027	SUVAN NET	16 Mar 2026 · expires Mar 2027	checking…
2026	siso.my.id	17 Mar 2026	Mar 2027	PT Digital Registra Indonesia	17 Mar 2026 · expires Mar 2027	checking…
2026	siso.pro	7 Apr 2026	Apr 2027	Sav.com, LLC	7 Apr 2026 · expires Apr 2027	checking…
2026	siso.club	12 Apr 2026	Apr 2027	Dynadot Inc	12 Apr 2026 · expires Apr 2027	checking…
2026	siso.agency	20 Apr 2026	Apr 2027	Domain Science Kutatási Szolg…	20 Apr 2026 · expires Apr 2027	checking…
2026	siso.com.ua	30 Apr 2026	Apr 2027	REGERY UKRAINE LLC	30 Apr 2026 · expires Apr 2027	checking…
2026	siso.one	2 May 2026	May 2027	Spaceship, Inc.	2 May 2026 · expires May 2027	checking…
2026	siso.co.kr	20 May 2026	May 2027	—	20 May 2026 · expires May 2027	checking…
2026	siso.cc	7 Jun 2026	Jun 2027	Gname 420 Inc	7 Jun 2026 · expires Jun 2027	checking…
2026	siso.help	11 Jul 2026	Jul 2027	Porkbun LLC	11 Jul 2026 · expires Jul 2027	checking…
2026	siso.homes	11 Jul 2026	Jul 2027	Porkbun LLC	11 Jul 2026 · expires Jul 2027	checking…
2026	siso.lat	11 Jul 2026	Jul 2027	Porkbun LLC	11 Jul 2026 · expires Jul 2027	checking…
2026	siso.mom	11 Jul 2026	Jul 2027	Porkbun LLC	11 Jul 2026 · expires Jul 2027	checking…
2026	siso.me	30 Jul 2026	Jul 2027	Dynadot Inc	30 Jul 2026 · expires Jul 2027	checking…
2026	siso.it	28 Sep 2026	Sep 2027	NameCase GmbH	28 Sep 2026 · expires Sep 2027	checking…
—	siso.ae	no date on record	—	—	no date on record	checking…
—	siso.ai.kr	no date on record	—	—	no date on record	checking…
—	siso.app.br	no date on record	—	—	no date on record	checking…
—	siso.at	no date on record	—	IONOS SE ( https://nic.at/reg…	no date on record	checking…
—	siso.ch	no date on record	—	—	no date on record	checking…
—	siso.cn	no date on record	—	—	no date on record	checking…
—	siso.co.il	no date on record	—	—	no date on record	checking…
—	siso.co.jp	no date on record	—	—	no date on record	checking…
—	siso.co.nz	no date on record	—	—	no date on record	checking…
—	siso.co.za	no date on record	—	—	no date on record	checking…
—	siso.com.au	no date on record	—	—	no date on record	checking…
—	siso.com.cn	no date on record	—	阿里云计算有限公司（万网）	no date on record	checking…
—	siso.com.co	no date on record	—	—	no date on record	checking…
—	siso.com.gt	no date on record	—	—	no date on record	checking…
—	siso.com.mx	no date on record	Mar 2030	Wingu Networks S.A de C.V.	no date on record · expires Mar 2030	checking…
—	siso.com.tr	no date on record	—	—	no date on record	checking…
—	siso.com.uy	no date on record	—	—	no date on record	checking…
—	siso.de	no date on record	—	—	no date on record	checking…
—	siso.directory	no date on record	—	—	no date on record	checking…
—	siso.edu.cn	no date on record	—	—	no date on record	checking…
—	siso.ee	no date on record	—	—	no date on record	checking…
—	siso.es	no date on record	—	—	no date on record	checking…
—	siso.eu	no date on record	—	—	no date on record	checking…
—	siso.gr	no date on record	—	—	no date on record	checking…
—	siso.io.kr	no date on record	—	—	no date on record	checking…
—	siso.ir	no date on record	—	—	no date on record	checking…
—	siso.kr	no date on record	—	—	no date on record	checking…
—	siso.lt	no date on record	—	—	no date on record	checking…
—	siso.lv	no date on record	—	—	no date on record	checking…
—	siso.my	no date on record	—	—	no date on record	checking…
—	siso.net.cn	no date on record	—	阿里云计算有限公司（万网）	no date on record	checking…
—	siso.or.kr	no date on record	—	—	no date on record	checking…
—	siso.org.il	no date on record	—	—	no date on record	checking…
—	siso.pe	no date on record	—	1API GmbH	no date on record	checking…
—	siso.ro	no date on record	—	—	no date on record	checking…
—	siso.run	no date on record	—	—	no date on record	checking…
—	siso.scot	no date on record	—	—	no date on record	checking…
—	siso.services	no date on record	—	—	no date on record	checking…
—	siso.shop	no date on record	—	—	no date on record	checking…
—	siso.sk	no date on record	—	—	no date on record	checking…
—	siso.tm	no date on record	—	—	no date on record	checking…
—	siso.uno	no date on record	—	—	no date on record	checking…
—	siso.uy	no date on record	—	—	no date on record	checking…
—	siso.video	no date on record	—	—	no date on record	checking…
—	siso.vn	no date on record	—	—	no date on record	checking…
—	siso.ws	no date on record	—	—	no date on record	checking…

Show all 159 extensions

Seen before, not in DNS now

These names were registered when we last saw them, but they have no nameservers today. They may have lapsed, or be registered and parked without DNS. Not in DNS does not mean free: only the registry can say that.

Year	Domain	Registered	Expires	Registrar	Details	DNS today	Screenshot

How to read this

Registered is the creation date in the registry's own record (WHOIS or RDAP) when we last looked. A name that lapsed and was registered again shows its newest registration.

No date on record means we do not have the date yet, or the registry does not publish one. Missing years fill in over time, and so do registrations we have not seen yet.

Not in DNS means the name has no nameservers today. It never means the name is free to register: only a registry can tell you that.