u221.uk - robtex.com
u221.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:1541🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c4cd🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.21.65Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.196.205🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | hugh.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b75🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c175🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2175🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 108.162.193.117🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 172.64.33.117🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| A | 173.245.59.117🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | hugh.ns.cloudflare.com | ||||||
| NS | oaklyn.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:265a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oaklyn.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c25a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | oaklyn.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:225a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | oaklyn.ns.cloudflare.com | ||||||
| A | 108.162.194.90🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oaklyn.ns.cloudflare.com | ||||||
| A | 162.159.38.90Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oaklyn.ns.cloudflare.com | ||||||
| A | 172.64.34.90🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | oaklyn.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.21.65, 172.67.196.205 | ||||||
| IPv6 hints | 2606:4700:3035::6815:1541, 2606:4700:3037::ac43:c4cd | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=131, name=cloudflare-ech.com | ||||||
| SOA | hugh.ns.cloudflare.comdns@cloudflare.com serial=2403078905 | ||||||
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=1778647980 | ||||||
Same first word
u221.uk |
Similar names
DNS History
6 records (6 active, 0 former)
●NShugh.ns.cloudflare.com2026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 04:57:06
●NSoaklyn.ns.cloudflare.com2026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 04:57:06
●A104.21.21.652026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 04:57:06
●A172.67.196.2052026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 04:57:06
●A2606:4700:3035::6815:15412026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 04:57:06
●A2606:4700:3037::ac43:c4cd2026-05-04 → 2026-05-13 · 2 obs
● 2026-05-13 04:57:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | dns1.nic.uk, dns3.nic.uk, nsc.nic.uk, nsa.nic.uk... | - |
| u221.uk | oaklyn.ns.cloudflare.com, hugh.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.90
NS records: oaklyn.ns.cloudflare.com, hugh.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u221.uk (unsigned zone)
⏱️ Timing
Total: 1484ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.21.65, 172.67.196.205 |
| AAAA | 2 | 2606:4700:3035::6815:1541, 2606:4700:3037::ac43:c4cd |
| NS | 2 | hugh.ns.cloudflare.com, oaklyn.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | hugh.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
u221.uk points to four IP numbers: 2606:4700:3035::6815:1541, 2606:4700:3037::ac43:c4cd, 104.21.21.65 and 172.67.196.205.
Other host names, for instance aethercontent.dev, bccnsw.com, webrss.net, ianzhang.com and garberiel.cn share IP numbers with u221.uk.
Name Servers
u221.uk's delegation is to two name servers hugh.ns.cloudflare.com and oaklyn.ns.cloudflare.com.
u221.uk shares the same name server configuration as other domains, such as secure-kucoin-log.pages.dev, convert3d.org, flotato.com, pifoplay.shop and forsa.ma.
u221.uk at least partially shares its name servers with other domains, for instance slc.iq, gccontainers.com, splinder.sm, noxx.agency and bettingwebsite.co.uk.
These name servers are often used together with the name servers chan.ns.cloudflare.com.
Host names with six IP numbers:
hugh.ns.cloudflare.com points to: 2606:4700:58::adf5:3b75, 2803:f800:50::6ca2:c175, 2a06:98c1:50::ac40:2175, 108.162.193.117, 172.64.33.117 and 173.245.59.117.
oaklyn.ns.cloudflare.com points to: 2606:4700:50::a29f:265a, 2803:f800:50::6ca2:c25a, 2a06:98c1:50::ac40:225a, 108.162.194.90, 162.159.38.90 and 172.64.34.90.