`is4.ai`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:457e^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d051^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.126^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.81^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`vita.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3aee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vita.ns.cloudflare.com`
		A	108.162.192.238^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	172.64.32.238^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
		A	173.245.58.238^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vita.ns.cloudflare.com`
NS	`yevgen.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cdf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yevgen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3df^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`yevgen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23df^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`yevgen.ns.cloudflare.com`
		A	108.162.195.223^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yevgen.ns.cloudflare.com`
		A	162.159.44.223^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yevgen.ns.cloudflare.com`
		A	172.64.35.223^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`yevgen.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
TXT	`facebook-domain-verification=5he4hy9qpw19lbh5mjc7t81159f2do`
TXT	`google-site-verification=4hrP2UA1r3KOr9cpLUux01zt19tcSZWXaXmR51kcKp4`
TXT	`google-site-verification=znSyGjGDb1OGtDrUuCYq0DZ5owF3WuSW5ElQHS5EEns`
TXT	`openai-domain-verification=dv-gfYkMTohqOZ55y27tprODhLJ`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.126, 172.67.208.81
		IPv6 hints	2606:4700:3034::6815:457e, 2606:4700:3035::ac43:d051
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=210, name=cloudflare-ech.com
SOA	`vita.ns.cloudflare.com`dns@cloudflare.com serial=2410248329

`ai`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.ai` ⭐
	NS	`v0n1.nic.ai`
	NS	`v0n2.nic.ai`
	NS	`v0n3.nic.ai`
	NS	`v2n0.nic.ai`
	NS	`v2n1.nic.ai`
	SOA	`v0n0.nic.ai`hostmaster@donuts.email serial=1785763144

Same first word

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is4.com

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Similar names

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si4.mobi

i4s.es

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s4i.com

i4s.us

4si.nl

4is.net

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i4s.ru

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si4.it

DNS History

13 records (7 active, 6 former)

●NSvita.ns.cloudflare.com2026-06-10 → 2026-08-03 · 2 obs

● 2026-06-10 15:53:26
● 2026-08-03 13:54:58

●NSyevgen.ns.cloudflare.com2026-06-10 → 2026-08-03 · 2 obs

● 2026-06-10 15:53:26
● 2026-08-03 13:54:58

●MXsmtp.google.com2026-06-10 → 2026-08-03 · 2 obs

● 2026-06-10 15:53:26
● 2026-08-03 13:54:58

●A104.21.69.1262026-06-10 → 2026-08-03 · 5 obs

● 2026-06-10 15:53:26
● 2026-06-16 13:42:22
○ 2026-06-28 15:04:44
● 2026-06-30 04:17:06
● 2026-08-03 13:54:58

●A172.67.208.812026-06-10 → 2026-08-03 · 5 obs

● 2026-06-10 15:53:26
● 2026-06-16 13:42:22
○ 2026-06-28 15:04:44
● 2026-06-30 04:17:06
● 2026-08-03 13:54:58

○A188.114.96.02026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-16 13:42:22
● 2026-06-28 15:04:44
○ 2026-06-30 04:17:06
○ 2026-08-03 13:54:58

○A188.114.97.02026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-16 13:42:22
● 2026-06-28 15:04:44
○ 2026-06-30 04:17:06
○ 2026-08-03 13:54:58

○A2606:4700:3033::6815:457e2026-06-10 → 2026-06-16 · 4 obs

● 2026-06-10 15:53:26
● 2026-06-16 13:42:22
○ 2026-06-28 15:04:44
○ 2026-08-03 13:54:58

●A2606:4700:3034::6815:457e2026-06-30 → 2026-08-03 · 3 obs

○ 2026-06-28 15:04:44
● 2026-06-30 04:17:06
● 2026-08-03 13:54:58

●A2606:4700:3035::ac43:d0512026-06-30 → 2026-08-03 · 3 obs

○ 2026-06-28 15:04:44
● 2026-06-30 04:17:06
● 2026-08-03 13:54:58

○A2606:4700:3037::ac43:d0512026-06-10 → 2026-06-16 · 4 obs

● 2026-06-10 15:53:26
● 2026-06-16 13:42:22
○ 2026-06-28 15:04:44
○ 2026-08-03 13:54:58

○A2a06:98c1:3120::2026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-16 13:42:22
● 2026-06-28 15:04:44
○ 2026-06-30 04:17:06
○ 2026-08-03 13:54:58

○A2a06:98c1:3121::2026-06-28 → 2026-06-28 · 4 obs

○ 2026-06-16 13:42:22
● 2026-06-28 15:04:44
○ 2026-06-30 04:17:06
○ 2026-08-03 13:54:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ai	v0n0.nic.ai, v0n2.nic.ai, v2n1.nic.ai, v2n0.nic.ai...	-
is4.ai	vita.ns.cloudflare.com, yevgen.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.238

NS records: vita.ns.cloudflare.com, yevgen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for is4.ai (unsigned zone)

⏱️ Timing

Total: 556ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.208.81, 104.21.69.126`
AAAA	2	`2606:4700:3034::6815:457e, 2606:4700:3035::ac43:d051`
NS	2	`vita.ns.cloudflare.com, yevgen.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	5	`facebook-domain-verification=5he4hy9qpw1, google-site-verification=4hrP2UA1r3KOr9c...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`vita.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

is4.ai resolves to four IP addresses: 104.21.69.126, 172.67.208.81, 2606:4700:3034::6815:457e and 2606:4700:3035::ac43:d051.

ftp.bukmark.com.ar, lunaline.nl, www.lll35.com plus two other host names have IP numbers in common with is4.ai.

Name Servers

is4.ai has two authoritative name servers — vita.ns.cloudflare.com and yevgen.ns.cloudflare.com.

The name server configuration of is4.ai is shared with other domains, for instance thbnaeco.com, printige.net, thbhotels.com and two others.

is4.ai has at least partial name server overlap with other domains, such as immediate-lexipro.com, allyspincasinode.org, josscasino171.com and two others.

Hosts with 6 IP addresses each:

vita.ns.cloudflare.com points to 108.162.192.238, 172.64.32.238, 173.245.58.238 and 3 other IP addresses.

yevgen.ns.cloudflare.com points to 108.162.195.223, 162.159.44.223, 172.64.35.223 and 3 other IP addresses.

Mail Servers

is4.ai uses one mail server — smtp.google.com.

The mail server setup of is4.ai matches that of other domains such as usegptw-us.com, accountingexperts.gr, namthuanphat.com.vn and two others.

At least some of the mail servers used by is4.ai are shared with other domains: tycobbfoundation.com, cserver.hostdirekt.com, muwa.ch and two others among them.

It is common to find these mail servers paired with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, as well as two others.

smtp.google.com has 9 IP addresses: 142.251.163.26, 142.251.167.26, 142.251.167.27 plus 6 more.

is4.ai - robtex.com

is4.ai

ai

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`is4.ai`

`ai`