bbc - robtex.com
bbc
(root)
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.root-servers.net ⭐ | ||||||
| NS | b.root-servers.net | ||||||
| NS | c.root-servers.net | ||||||
| NS | d.root-servers.net | ||||||
| NS | e.root-servers.net | ||||||
| NS | f.root-servers.net | ||||||
| NS | g.root-servers.net | ||||||
| NS | h.root-servers.net | ||||||
| NS | i.root-servers.net | ||||||
| NS | j.root-servers.net | ||||||
| NS | k.root-servers.net | ||||||
| NS | l.root-servers.net | ||||||
| NS | m.root-servers.net | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-07-04 #0 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| bbc | dns1.nic.bbc, dns2.nic.bbc, dns3.nic.bbc, dns4.nic.bbc... | 15 records |
✅ Authoritative Response
Server:213.248.219.4
NS records: dns1.nic.bbc, dns2.nic.bbc, dns3.nic.bbc, dns4.nic.bbc, dnsa.nic.bbc, dnsb.nic.bbc, dnsc.nic.bbc, dnsd.nic.bbc
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 370ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 8 | dns1.nic.bbc, dns2.nic.bbc... |
| SOA | 1 | dns1.nic.bbc hostmaster.nominet.org.uk |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (dns1.nic.bbc, dns2.nic.bbc, dns3.nic.bbc...)
Related
Analysis
Hierarchy
bbc is a parent domain, with nic.bbc, social.bbc and taster.bbc beneath it.
Name Servers
bbc has 8 name servers — dns1.nic.bbc, dns2.nic.bbc, dns3.nic.bbc and 5 others.
The name servers for bbc overlap at least partially with those of other domains — for example nic.bbc.
These name servers are routinely co-deployed with the name servers dns4.nic.bbc, dnsa.nic.bbc, dnsb.nic.bbc and two others.
Hosts with two IP numbers each:
dns1.nic.bbc resolves to 213.248.219.4 and 2a01:618:403::4.
dns2.nic.bbc resolves to 103.49.83.4 and 2401:fd80:403::4.
dns3.nic.bbc resolves to 213.248.223.4 and 2a01:618:407::4.
dns4.nic.bbc resolves to 43.230.51.4 and 2401:fd80:407::4.
dnsa.nic.bbc resolves to 156.154.100.3 and 2001:502:ad09::3.
dnsb.nic.bbc resolves to 156.154.101.3 and 2001:502:2eda::3.
dnsc.nic.bbc resolves to 156.154.102.3 and 2610:a1:1009::3.
dnsd.nic.bbc resolves to 156.154.103.3 and 2610:a1:1010::3.