mk21.uk - robtex.com
mk21.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::6815:5b66🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:d79b🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.91.102Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.215.155🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | kara.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kara.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c07b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | kara.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:207b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | kara.ns.cloudflare.com | ||||||
| A | 108.162.192.123🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kara.ns.cloudflare.com | ||||||
| A | 172.64.32.123🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kara.ns.cloudflare.com | ||||||
| A | 173.245.58.123🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | kara.ns.cloudflare.com | ||||||
| NS | sid.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b8f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sid.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c18f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sid.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:218f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sid.ns.cloudflare.com | ||||||
| A | 108.162.193.143🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sid.ns.cloudflare.com | ||||||
| A | 172.64.33.143🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sid.ns.cloudflare.com | ||||||
| A | 173.245.59.143🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sid.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.91.102, 172.67.215.155 | ||||||
| IPv6 hints | 2606:4700:3034::6815:5b66, 2606:4700:3034::ac43:d79b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com | ||||||
| SOA | kara.ns.cloudflare.comdns@cloudflare.com serial=2400643987 | ||||||
uk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns1.nic.uk ⭐ | ||||||
| NS | dns2.nic.uk | ||||||
| NS | dns3.nic.uk | ||||||
| NS | dns4.nic.uk | ||||||
| NS | nsa.nic.uk | ||||||
| NS | nsb.nic.uk | ||||||
| NS | nsc.nic.uk | ||||||
| NS | nsd.nic.uk | ||||||
| SOA | dns1.nic.ukhostmaster@nic.uk serial=1777089989 | ||||||
Same first word
Similar names
mk12.co.uk |
12km.cn |
21km.pl |
mk12.us |
mk12.com |
21km.cz |
21mk.pe.kr |
2k1m.com |
1km2.com |
12km.com |
12km.net |
k1m2.cn |
m21k.de |
km12.cl |
km21.fr |
km21.org |
21km.ro |
21km.net |
21km.ru |
km21.net |
21mk.cc |
km21.com |
mk12.com.br |
m1k2.com |
DNS History
6 records (6 active, 0 former)
●NSkara.ns.cloudflare.com2026-03-07 → 2026-04-25 · 2 obs
● 2026-04-25 04:36:26
●NSsid.ns.cloudflare.com2026-03-07 → 2026-04-25 · 2 obs
● 2026-04-25 04:36:26
●A104.21.91.1022026-03-07 → 2026-04-25 · 2 obs
● 2026-04-25 04:36:26
●A172.67.215.1552026-03-07 → 2026-04-25 · 2 obs
● 2026-04-25 04:36:26
●A2606:4700:3034::6815:5b662026-03-07 → 2026-04-25 · 2 obs
● 2026-04-25 04:36:26
●A2606:4700:3034::ac43:d79b2026-03-07 → 2026-04-25 · 2 obs
● 2026-04-25 04:36:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk... | - |
| mk21.uk | sid.ns.cloudflare.com, kara.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.143
NS records: sid.ns.cloudflare.com, kara.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mk21.uk (unsigned zone)
⏱️ Timing
Total: 822ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.215.155, 104.21.91.102 |
| AAAA | 2 | 2606:4700:3034::ac43:d79b, 2606:4700:3034::6815:5b66 |
| NS | 2 | kara.ns.cloudflare.com, sid.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | kara.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
mk21.uk refers to four IP numbers: 2606:4700:3034::6815:5b66, 2606:4700:3034::ac43:d79b, 104.21.91.102 and 172.67.215.155.
Other host names, for instance strangerinparadise.com, imagazzinisorriso.it, afafedu.com, entri.com and skindleggings.dk share IP numbers with mk21.uk.
Name Servers
mk21.uk's delegation uses two name servers: kara.ns.cloudflare.com and sid.ns.cloudflare.com.
mk21.uk uses the same name server setup as other domains, such as musaul.co.uk, arkencounter.com, vpx1.uk, myanswers.com and parrapark.au.
mk21.uk at least partially shares name servers with other domains, including pinip.cn, figsp.it, ltst.ru, desmoines.us and networkplus.lol.
These name servers are commonly used with chad.ns.cloudflare.com, gabe.ns.cloudflare.com and dana.ns.cloudflare.com.
Host names with six IP numbers:
kara.ns.cloudflare.com points to 2606:4700:50::adf5:3a7b, 2803:f800:50::6ca2:c07b, 2a06:98c1:50::ac40:207b, 108.162.192.123, 172.64.32.123 and 173.245.58.123.
sid.ns.cloudflare.com points to 2606:4700:58::adf5:3b8f, 2803:f800:50::6ca2:c18f, 2a06:98c1:50::ac40:218f, 108.162.193.143, 172.64.33.143 and 173.245.59.143.