undo.io - dns.ninja

`undo.io`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:c0a^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:d0a^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4652^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.12.10^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.13.10^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.70.82^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`barbara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3af8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`barbara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`barbara.ns.cloudflare.com`
		A	108.162.192.248^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	172.64.32.248^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
		A	173.245.58.248^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`barbara.ns.cloudflare.com`
NS	`jason.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bb3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jason.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jason.ns.cloudflare.com`
		A	108.162.193.179^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	172.64.33.179^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
		A	173.245.59.179^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jason.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c23::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
TXT	`00D24000000YUrq=1TBP50000000907`
TXT	`MS=73DDD79A88CEEB6DC62C504F686D4AE3D2EC9A88`
TXT	`ahrefs-site-verification_8a84f5bd608e1ba41f27b04a2b1c50aa5c88c8ef7bb452669a58...`
TXT	`anthropic-domain-verification-w9tzj8=umjEPKBn3oyEr0tWkCB3MVIa1`
TXT	`apple-domain-verification=9Sc6splS9Q6Helv0`
TXT	`cisco-ci-domain-verification=1577a9ae2cf5dbd1e4c0a3c1891dc0e266c39c215cff6bc5...`
TXT	`cloudflare_dashboard_sso=427f373f4c7e1e3aa67fd7b69ecb2b92`
TXT	`cursor-domain-verification-frcfcq=dkOUViyEucGWYUmlBWo7MS9cn`
TXT	`google-site-verification=SBv1Mu1yBprmfJrPgi_QdjEZO2sy5rB9ERxK3gxwyDE`
TXT	`google-site-verification=eT1ifogqNPph0WSQQkPKS_m88o4rXmqWsYnFtj47Ya8`
TXT	`google-site-verification=l1qduecRhuyrelpvqqttkSFhDH5v_PPCKcwEfDR23FY`
TXT	`linkedin-site-verification=5dc4fb59-2fd2-435e-8ae9-b7076a14e293`
TXT	`v=spf1 include:_spf.google.com include:4372193.spf05.hubspotemail.net include...`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.26.12.10, 104.26.13.10, 172.67.70.82
		IPv6 hints	2606:4700:20::681a:c0a, 2606:4700:20::681a:d0a, 2606:4700:20::ac43:4652
SOA	`barbara.ns.cloudflare.com`dns@cloudflare.com serial=2410036239

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1784923812

rank #575348 globally
rank #4750 in the tld

Subdomains

www.undo.io

community.undo.io

Same first word

undo.cc

undo.ru

undo.net

undo.at

undo.co

undo.es

undo.io

undo.dk

undo.jp

undo.co.uk

undo.me

undo.com.mx

undo.com.br

undo.de

undo.dog

undo.com

undo.com.my

undo.it

undo.us

undo.cn

undo.nl

undo.today

undo.si

undo.pt

undo.cl

undo.in

undo.co.th

undo.be

undo.ca

undo.ba

undo.ir

undo.im

undo.pl

undo.fi

undo.cz

undo.in.th

undo.software

undo.fr

undo.mobi

undo.org

Similar names

ound.uk

duon.ch

onud.eu

unod.de

doun.com

duon.co.nz

ound.de

nudo.com

duon.pl

udon.eu

duon.io

duon.org

duon.cz

nudo.pl

udon.com.br

duno.xyz

nudo.es

nudo.jp

duno.io

duon.de

nodu.nl

udon.ca

udon.be

duno.com

udon.blog

udon.biz

duon.eu

udon.online

duon.co.kr

donu.ru

onud.net

ound.ru

udon.at

duno.it

duno.online

nudo.se

duno.biz

udon.org

noud.org

uond.com

nudo.net

duon.info

udon.com

unod.org

nuod.cn

dnuo.com.cn

duno.dk

duon.com.br

udon.cn

udon.pl

nduo.com.cn

udon.love

nudo.me

udon.icu

donu.de

udon.de

duon.se

noud.info

unod.com

udon.cz

duon.net

nodu.cn

nudo.dk

duon.ru

onud.ee

donu.com

duno.eu

udon.nl

duno.co.uk

duon.nl

udon.rocks

nudo.eu

onud.com

odun.ru

donu.nl

duno.ch

odun.net

duno.net

ondu.si

duon.kr

nudo.ru

oudn.com

nodu.ru

DNS History

16 records (13 active, 3 former)

●NSbarbara.ns.cloudflare.com2026-02-16 → 2026-07-24 · 3 obs

○ 2016-12-08 19:16:40
● 2026-02-16 00:48:56
● 2026-07-24 20:28:44

●NSjason.ns.cloudflare.com2026-02-16 → 2026-07-24 · 3 obs

○ 2016-12-08 19:16:40
● 2026-02-16 00:48:56
● 2026-07-24 20:28:44

○NSns1.mythic-beasts.com2016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:16:40
○ 2026-02-16 00:48:56
○ 2026-07-24 20:28:44

○NSns2.mythic-beasts.com2016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:16:40
○ 2026-02-16 00:48:56
○ 2026-07-24 20:28:44

●MXalt1.aspmx.l.google.com2016-12-08 → 2026-07-24 · 2 obs

● 2016-12-08 19:16:40
● 2026-07-24 20:28:44

●MXalt2.aspmx.l.google.com2016-12-08 → 2026-07-24 · 2 obs

● 2016-12-08 19:16:40
● 2026-07-24 20:28:44

●MXaspmx.l.google.com2016-12-08 → 2026-07-24 · 2 obs

● 2016-12-08 19:16:40
● 2026-07-24 20:28:44

●MXaspmx2.googlemail.com2016-12-08 → 2026-07-24 · 2 obs

● 2016-12-08 19:16:40
● 2026-07-24 20:28:44

●MXaspmx3.googlemail.com2016-12-08 → 2026-07-24 · 2 obs

● 2016-12-08 19:16:40
● 2026-07-24 20:28:44

●A104.26.12.102026-02-16 → 2026-07-24 · 3 obs

○ 2016-12-08 19:16:40
● 2026-02-16 00:48:56
● 2026-07-24 20:28:44

●A104.26.13.102026-02-16 → 2026-07-24 · 3 obs

○ 2016-12-08 19:16:40
● 2026-02-16 00:48:56
● 2026-07-24 20:28:44

○A139.59.176.2452016-12-08 → 2016-12-08 · 3 obs

● 2016-12-08 19:16:40
○ 2026-02-16 00:48:56
○ 2026-07-24 20:28:44

●A172.67.70.822026-02-16 → 2026-07-24 · 3 obs

○ 2016-12-08 19:16:40
● 2026-02-16 00:48:56
● 2026-07-24 20:28:44

●A2606:4700:20::681a:c0a2026-02-16 → 2026-07-24 · 3 obs

○ 2016-12-08 19:16:40
● 2026-02-16 00:48:56
● 2026-07-24 20:28:44

●A2606:4700:20::681a:d0a2026-02-16 → 2026-07-24 · 3 obs

○ 2016-12-08 19:16:40
● 2026-02-16 00:48:56
● 2026-07-24 20:28:44

●A2606:4700:20::ac43:46522026-02-16 → 2026-07-24 · 3 obs

○ 2016-12-08 19:16:40
● 2026-02-16 00:48:56
● 2026-07-24 20:28:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
undo.io	jason.ns.cloudflare.com, barbara.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.179

NS records: jason.ns.cloudflare.com, barbara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for undo.io (unsigned zone)

⏱️ Timing

Total: 1606ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`172.67.70.82, 104.26.12.10...`
AAAA	3	`2606:4700:20::681a:d0a, 2606:4700:20::ac43:4652...`
NS	2	`barbara.ns.cloudflare.com, jason.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	13	`00D24000000YUrq=1TBP50000000907, MS=73DDD79A88CEEB6DC62C504F686D4AE3D2EC9...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`barbara.ns.cloudflare.com dns.cloudflare`

Analysis

Hierarchy

undo.io is the parent domain of www.undo.io and community.undo.io.

IP Addresses

undo.io resolves to 6 IP numbers: 104.26.12.10, 104.26.13.10, 172.67.70.82 and 3 other.

Additional host names — gestion.bloc.org, www.excelsiorpigeon.com, award.globalsadaqah.com and two others — share IP numbers with undo.io.

Name Servers

undo.io has two authoritative name servers — barbara.ns.cloudflare.com and jason.ns.cloudflare.com.

undo.io shares its name server setup with other domains, including coquitlamcomputers.ca, gnulinuxguy.org, thecyberdevl.com and two others.

At least some of undo.io's name servers are shared with other domains, for example germanscat.net, hegaqeqonpartners.click, chartalabs.digital and two more.

These name servers are frequently paired with the name servers magdalena.ns.cloudflare.com, trevor.ns.cloudflare.com, rodney.ns.cloudflare.com and two others.

Host names with 6 IP numbers:

barbara.ns.cloudflare.com points to 108.162.192.248, 172.64.32.248, 173.245.58.248 and 3 other IP addresses.

jason.ns.cloudflare.com points to 108.162.193.179, 172.64.33.179, 173.245.59.179 and 3 other IP addresses.

Mail Servers

undo.io has five mail servers, which are aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com and two others.

undo.io shares mail servers — at least in part — with other domains, including ns500754.ns500742.ns500731.ns500731.ns500704.ns500671.ns500671.ns500705.ns500688.ns500649.ns500291.ns500678.ns500666.ns500142.lusty(0x736c7574)z.com, ns500742.ns500731.ns500742.ns500742.ns500742.ns500671.ns500705.ns500671.ns500705.ns500649.ns500671.ns500291.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500758.ns500758.ns500698.ns500758.ns500698.ns500736.ns500698.ns500735.ns500735.ns500576.ns500576.ns500576.ns500708.ns500698.ns500652.ns500576.trackreceptor.com and two others.

These mail servers are frequently used alongside mail servers alt2.aspmx.l.google.com, alt1.aspmx.l.google.com, alt3.aspmx.l.google.com and 3 other.

Host names with two IP numbers:

aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

aspmx3.googlemail.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

aspmx.l.google.com resolves to 142.251.179.26 and 2607:f8b0:4004:c23::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.

The host names aspmx2.googlemail.com and alt1.aspmx.l.google.com both resolve to 2800:3f0:4003:c0f::1b IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 2a00:1450:400b:c02::1a IP addresses.

The host names aspmx3.googlemail.com and alt2.aspmx.l.google.com both resolve to 172.253.116.27 IP addresses.