dk21.io - robtex.com
dk21.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:bde5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:a24🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.10.36Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.189.229🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dana.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a69🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dana.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c069🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dana.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2069🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dana.ns.cloudflare.com | ||||||
| A | 108.162.192.105🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dana.ns.cloudflare.com | ||||||
| A | 172.64.32.105🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dana.ns.cloudflare.com | ||||||
| A | 173.245.58.105🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dana.ns.cloudflare.com | ||||||
| NS | ray.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b8a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c18a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:218a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 108.162.193.138🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 172.64.33.138🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| A | 173.245.59.138🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ray.ns.cloudflare.com | ||||||
| TXT | v=spf1 include:trustnex.it.com -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.10.36, 172.67.189.229 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:bde5, 2606:4700:3035::6815:a24 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=182, name=cloudflare-ech.com | ||||||
| SOA | dana.ns.cloudflare.comdns@cloudflare.com serial=2399747259 | ||||||
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.iohostmaster@donuts.email serial=1775771207 | ||||||
Subdomains
www.dk21.io |
Same first word
Similar names
d12k.org |
21kd.com |
kd21.shop |
kd21.cn |
12dk.com |
12kd.info |
dk12.ru |
d12k.com |
kd12.org |
kd12.com |
kd21.or.jp |
kd21.com |
kd21.de |
d2k1.com |
dk12.com |
1k2d.com |
DNS History
6 records (6 active, 0 former)
●NSdana.ns.cloudflare.com2026-03-12 → 2026-04-09 · 2 obs
● 2026-04-09 21:55:08
●NSray.ns.cloudflare.com2026-03-12 → 2026-04-09 · 2 obs
● 2026-04-09 21:55:08
●A104.21.10.362026-03-12 → 2026-04-09 · 2 obs
● 2026-04-09 21:55:08
●A172.67.189.2292026-03-12 → 2026-04-09 · 2 obs
● 2026-04-09 21:55:08
●A2606:4700:3031::ac43:bde52026-03-12 → 2026-04-09 · 2 obs
● 2026-04-09 21:55:08
●A2606:4700:3035::6815:a242026-03-12 → 2026-04-09 · 2 obs
● 2026-04-09 21:55:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| dk21.io | dana.ns.cloudflare.com, ray.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.105
NS records: dana.ns.cloudflare.com, ray.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dk21.io (unsigned zone)
⏱️ Timing
Total: 501ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.189.229, 104.21.10.36 |
| AAAA | 2 | 2606:4700:3031::ac43:bde5, 2606:4700:3035::6815:a24 |
| NS | 2 | dana.ns.cloudflare.com, ray.ns.cloudflare.com |
| TXT | 1 | v=spf1 include:trustnex.it.com -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dana.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
dk21.io is the parent of www.dk21.io.
IP Addresses
dk21.io points to four IP numbers: 2606:4700:3031::ac43:bde5, 2606:4700:3035::6815:a24, 104.21.10.36 and 172.67.189.229.
For instance, other host names xn--b1af1abehelus.xn--p1ai, claassenbuitenbeleving.nl, www.gabahobby.com, mixedgrillcafeeverett.com and htownproductions.com share IP numbers with dk21.io.
Name Servers
dk21.io is delegated to two name servers: dana.ns.cloudflare.com and ray.ns.cloudflare.com.
dk21.io uses the same name server setup as other domains such as cementtilestudio.com, carpevitalitas.com, goldpro.co.il, varusa.com.mx and smtp.co.il.
dk21.io shares name servers with other domains at least partially, for example newhealthylifes.com, macquariestreetdaysurgery.com.au, lbf.com.tw, audithor.eu and installppi.com.
These name servers are commonly used with the name servers dave.ns.cloudflare.com and lina.ns.cloudflare.com.
Host names with six IP numbers: host name dana.ns.cloudflare.com points to: 2606:4700:50::adf5:3a69, 2803:f800:50::6ca2:c069, 2a06:98c1:50::ac40:2069, 108.162.192.105, 172.64.32.105 and 173.245.58.105; host name ray.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8a, 2803:f800:50::6ca2:c18a, 2a06:98c1:50::ac40:218a, 108.162.193.138, 172.64.33.138 and 173.245.59.138.