21a2.ai - robtex.com
21a2.ai
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:2c18🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c1f7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.44.24Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.193.247🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | angelina.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26e8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | angelina.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2e8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | angelina.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22e8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | angelina.ns.cloudflare.com | ||||||
| A | 108.162.194.232🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | angelina.ns.cloudflare.com | ||||||
| A | 162.159.38.232Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | angelina.ns.cloudflare.com | ||||||
| A | 172.64.34.232🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | angelina.ns.cloudflare.com | ||||||
| NS | kip.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b80🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kip.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c180🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kip.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2180🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kip.ns.cloudflare.com | ||||||
| A | 108.162.193.128🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kip.ns.cloudflare.com | ||||||
| A | 172.64.33.128🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kip.ns.cloudflare.com | ||||||
| A | 173.245.59.128🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kip.ns.cloudflare.com | ||||||
| MX | route3.mx.cloudflare.net ⭐ | ||||||
| A | 2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| A | 162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route3.mx.cloudflare.net | ||||||
| MX | route2.mx.cloudflare.net(42) | ||||||
| A | 2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| A | 162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route2.mx.cloudflare.net | ||||||
| MX | route1.mx.cloudflare.net(77) | ||||||
| A | 2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| A | 162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | route1.mx.cloudflare.net | ||||||
| TXT | v=spf1 include:_spf.mx.cloudflare.net ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.44.24, 172.67.193.247 | ||||||
| IPv6 hints | 2606:4700:3032::6815:2c18, 2606:4700:3037::ac43:c1f7 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com | ||||||
| SOA | angelina.ns.cloudflare.comdns@cloudflare.com serial=2409732427 | ||||||
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.aihostmaster@donuts.email serial=1785487021 | ||||||
Same first word
Similar names
a212.co |
221a.us |
122a.com |
2a12.com |
2a12.net |
a212.de |
221a.com |
1a22.com |
221a.de |
221a.ca |
12a2.shop |
212a.com |
a212.com |
a122.at |
221a.net |
a212.blogspot.com |
a221.net |
a122.com |
2a12.cn |
212a.net |
a221.cn |
221a.co |
DNS History
15 records (9 active, 6 former)
●NSangelina.ns.cloudflare.com2026-06-22 → 2026-07-31 · 2 obs
● 2026-07-31 09:14:14
●NSkip.ns.cloudflare.com2026-06-22 → 2026-07-31 · 2 obs
● 2026-07-31 09:14:14
●MXroute1.mx.cloudflare.net2026-06-22 → 2026-07-31 · 2 obs
● 2026-07-31 09:14:14
●MXroute2.mx.cloudflare.net2026-06-22 → 2026-07-31 · 2 obs
● 2026-07-31 09:14:14
●MXroute3.mx.cloudflare.net2026-06-22 → 2026-07-31 · 2 obs
● 2026-07-31 09:14:14
●A104.21.44.242026-07-09 → 2026-07-31 · 5 obs
● 2026-07-09 00:21:04
○ 2026-07-31 02:57:26
● 2026-07-31 09:14:10
● 2026-07-31 09:14:14
●A172.67.193.2472026-07-09 → 2026-07-31 · 5 obs
● 2026-07-09 00:21:04
○ 2026-07-31 02:57:26
● 2026-07-31 09:14:10
● 2026-07-31 09:14:14
○A188.114.96.02026-06-22 → 2026-07-31 · 7 obs
○ 2026-06-27 00:14:12
● 2026-06-27 03:57:48
○ 2026-07-09 00:21:04
● 2026-07-31 02:57:26
○ 2026-07-31 09:14:10
○ 2026-07-31 09:14:14
○A188.114.96.42026-06-27 → 2026-06-27 · 4 obs
● 2026-06-27 00:14:12
○ 2026-06-27 03:57:48
○ 2026-07-31 09:14:14
○A188.114.97.02026-06-22 → 2026-07-31 · 7 obs
○ 2026-06-27 00:14:12
● 2026-06-27 03:57:48
○ 2026-07-09 00:21:04
● 2026-07-31 02:57:26
○ 2026-07-31 09:14:10
○ 2026-07-31 09:14:14
○A188.114.97.42026-06-27 → 2026-06-27 · 4 obs
● 2026-06-27 00:14:12
○ 2026-06-27 03:57:48
○ 2026-07-31 09:14:14
●A2606:4700:3032::6815:2c182026-07-09 → 2026-07-31 · 5 obs
● 2026-07-09 00:21:04
○ 2026-07-31 02:57:26
● 2026-07-31 09:14:10
● 2026-07-31 09:14:14
●A2606:4700:3037::ac43:c1f72026-07-09 → 2026-07-31 · 5 obs
● 2026-07-09 00:21:04
○ 2026-07-31 02:57:26
● 2026-07-31 09:14:10
● 2026-07-31 09:14:14
○A2a06:98c1:3120::2026-06-22 → 2026-07-31 · 5 obs
○ 2026-07-09 00:21:04
● 2026-07-31 02:57:26
○ 2026-07-31 09:14:10
○ 2026-07-31 09:14:14
○A2a06:98c1:3121::2026-06-22 → 2026-07-31 · 5 obs
○ 2026-07-09 00:21:04
● 2026-07-31 02:57:26
○ 2026-07-31 09:14:10
○ 2026-07-31 09:14:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ai | v0n3.nic.ai, v0n1.nic.ai, v0n0.nic.ai, v0n2.nic.ai... | - |
| 21a2.ai | angelina.ns.cloudflare.com, kip.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.128
NS records: angelina.ns.cloudflare.com, kip.ns.cloudflare.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ai: Error: DNS query timeout: 199.115.155.1 for DNSKEY ai
⏱️ Timing
Total: 3433ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.44.24, 172.67.193.247 |
| AAAA | 2 | 2606:4700:3032::6815:2c18, 2606:4700:3037::ac43:c1f7 |
| NS | 2 | angelina.ns.cloudflare.com, kip.ns.cloudflare.com |
| MX | 3 | route3.mx.cloudflare.net (pri: 39), route2.mx.cloudflare.net (pri: 42)... |
| TXT | 1 | v=spf1 include:_spf.mx.cloudflare.net ~a |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | angelina.ns.cloudflare.com dns.cloudflar |
Analysis
IP Addresses
21a2.ai points to the four IP addresses 104.21.44.24, 172.67.193.247, 2606:4700:3032::6815:2c18 and 2606:4700:3037::ac43:c1f7.
www.wpopas.fi, myfarmingtondentist.com, pirsum-rikma.co.il plus two other host names have IP numbers in common with 21a2.ai.
Name Servers
21a2.ai uses two name servers for its delegation: angelina.ns.cloudflare.com and kip.ns.cloudflare.com.
The name server configuration of 21a2.ai is shared with other domains, for instance nancyskitchenproducts.co, quantamagnetics.com, zorbascafe.com and two others.
At least some of 21a2.ai's name servers are shared with other domains, for example noob.ba, k-on.kr, travel-yukon.com and two more.
It is common for these name servers to be used in conjunction with the name servers ryleigh.ns.cloudflare.com, norm.ns.cloudflare.com and rex.ns.cloudflare.com.
Hosts with 6 IP addresses each:
Hostname angelina.ns.cloudflare.com directs to 108.162.194.232, 162.159.38.232 and 172.64.34.232 along with 3 other IP addresses.
Hostname kip.ns.cloudflare.com directs to 108.162.193.128, 172.64.33.128 and 173.245.59.128 along with 3 other IP addresses.
Mail Servers
The MX records for 21a2.ai list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.
At least some of the mail servers used by 21a2.ai are shared with other domains: pkvest.com, moonlabsapp.com, bro.fo and two others among them.
Hosts with 6 IP addresses each:
Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.
Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.
Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.