uk - robtex.com
uk
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-07-02 #0 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | dns2.nic.uk, dns3.nic.uk, nsa.nic.uk, nsd.nic.uk... | - |
✅ Authoritative Response
Server:43.230.48.1
NS records: dns2.nic.uk, dns3.nic.uk, nsa.nic.uk, nsd.nic.uk, nsc.nic.uk, dns1.nic.uk, dns4.nic.uk, nsb.nic.uk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1120ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 8 | nsa.nic.uk, nsb.nic.uk... |
| SOA | 1 | dns1.nic.uk hostmaster.nic.uk |
Analysis
Hierarchy
The domain uk is parent to rydalcomms.uk, nrw.uk, publicis.uk, vcut.uk, digitalhd.uk and tens of thousands of other host names beneath it.
Name Servers
uk delegates authority to 8 name servers: dns1.nic.uk, dns2.nic.uk, dns3.nic.uk plus 5 other.
uk has at least partial name server overlap with other domains, such as co.uk, plc.uk, me.uk and two others.
It is common to find these name servers alongside the name servers nsb.nic.uk, nsc.nic.uk, dns4.nic.uk and two others.
Hostnames that resolve to two IP addresses:
dns1.nic.uk directs traffic to 213.248.216.1 and 2a01:618:400::1.
dns2.nic.uk directs traffic to 103.49.80.1 and 2401:fd80:400::1.
dns3.nic.uk directs traffic to 213.248.220.1 and 2a01:618:404::1.
dns4.nic.uk directs traffic to 43.230.48.1 and 2401:fd80:404::1.
nsa.nic.uk directs traffic to 156.154.100.3 and 2001:502:ad09::3.
nsb.nic.uk directs traffic to 156.154.101.3 and 2001:502:2eda::3.
nsc.nic.uk directs traffic to 156.154.102.3 and 2610:a1:1009::3.
nsd.nic.uk directs traffic to 156.154.103.3 and 2610:a1:1010::3.