api21k.com - robtex.com
api21k.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:1a6d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:87ef🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.26.109Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.135.239🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kelly.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:265b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c25b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:225b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 108.162.194.91🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 162.159.38.91Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| A | 172.64.34.91🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kelly.ns.cloudflare.com | ||||||
| NS | rene.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cb4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rene.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rene.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23b4🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rene.ns.cloudflare.com | ||||||
| A | 108.162.195.180🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rene.ns.cloudflare.com | ||||||
| A | 162.159.44.180Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rene.ns.cloudflare.com | ||||||
| A | 172.64.35.180🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rene.ns.cloudflare.com | ||||||
| MX | mail.api21k.com ⭐ | ||||||
| A | 112.213.111.60🇭🇰 CTGSERVERLIMITED-AS-AP112.213.111.0/24 Sun Network (Hong Kong) Limited Flat 13, 4/F Trans Asia Centre 18 Kin Hong Street, Kwai Chung | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.26.109, 172.67.135.239 | ||||||
| IPv6 hints | 2606:4700:3031::6815:1a6d, 2606:4700:3033::ac43:87ef | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com | ||||||
| SOA | kelly.ns.cloudflare.comdns@cloudflare.com serial=2402543904 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778712456 | ||||||
Subdomains
Same first word
api21k.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSkelly.ns.cloudflare.com2026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 23:16:12
●NSrene.ns.cloudflare.com2026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 23:16:12
●MXmail.api21k.com2026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 23:16:12
●A104.21.26.1092026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 23:16:12
●A172.67.135.2392026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 23:16:12
●A2606:4700:3031::6815:1a6d2026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 23:16:12
●A2606:4700:3033::ac43:87ef2026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 23:16:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, f.gtld-servers.net... | - |
| api21k.com | kelly.ns.cloudflare.com, rene.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.180
NS records: kelly.ns.cloudflare.com, rene.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for api21k.com (unsigned zone)
⏱️ Timing
Total: 230ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.135.239, 104.21.26.109 |
| AAAA | 2 | 2606:4700:3031::6815:1a6d, 2606:4700:3033::ac43:87ef |
| NS | 2 | kelly.ns.cloudflare.com, rene.ns.cloudflare.com |
| MX | 1 | mail.api21k.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kelly.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (kelly.ns.cloudflare.com, kelly.ns.cloudflare.com, kelly.ns.cloudflare.com...)
Analysis
Hierarchy
api21k.com is parent of mail.api21k.com and cname.api21k.com.
IP Addresses
api21k.com points to four IP numbers: 2606:4700:3031::6815:1a6d, 2606:4700:3033::ac43:87ef, 104.21.26.109 and 172.67.135.239.
Other host names, for instance fractiongamers.com, ilpadano.com, bustysource.com, ntscerra.com and fenxiang8.net share IP numbers with api21k.com.
Name Servers
api21k.com's delegation is to two name servers kelly.ns.cloudflare.com and rene.ns.cloudflare.com.
api21k.com shares the same name server configuration as other domains, such as marathimol.com, 10lines.co.in, minecr(0x666170)kmod.com, sms8.net and click4rewardcash.info.
api21k.com at least partially shares its name servers with other domains, for instance matrixportalx.online, confidenceincanada.com, securemodeid.live, federalcontractingpr.com and 22txt.cc.
These name servers are commonly used alongside ignacio.ns.cloudflare.com and jasper.ns.cloudflare.com.
Host names with six IP numbers:
kelly.ns.cloudflare.com points to: 2606:4700:50::a29f:265b, 2803:f800:50::6ca2:c25b, 2a06:98c1:50::ac40:225b, 108.162.194.91, 162.159.38.91 and 172.64.34.91.
rene.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb4, 2803:f800:50::6ca2:c3b4, 2a06:98c1:50::ac40:23b4, 108.162.195.180, 162.159.44.180 and 172.64.35.180.
Mail Servers
api21k.com is served by a single mail server, mail.api21k.com.
mail.api21k.com points to IP number 112.213.111.60.