bbc - robtex.com
bbc
(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 2026-05-09 #0 | ||||||
Subdomains
Same first word
Similar names
DNS History
8 records (8 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| bbc | dns3.nic.bbc, dnsa.nic.bbc, dns1.nic.bbc, dns4.nic.bbc... | 16 records |
✅ Authoritative Response
Server:156.154.101.3
NS records: dns3.nic.bbc, dnsa.nic.bbc, dns1.nic.bbc, dns4.nic.bbc, dnsc.nic.bbc, dnsb.nic.bbc, dns2.nic.bbc, dnsd.nic.bbc
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 396ms | 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: 16
In-bailiwick: 16 (dnsd.nic.bbc, dnsc.nic.bbc, dnsb.nic.bbc...)
Related
Analysis
Hierarchy
bbc is a parent of nic.bbc, social.bbc and taster.bbc.
Name Servers
Eight name servers are delegated to bbc: dns1.nic.bbc, dns2.nic.bbc, dns3.nic.bbc, dns4.nic.bbc, dnsa.nic.bbc, dnsb.nic.bbc, dnsc.nic.bbc and dnsd.nic.bbc.
bbc shares some name servers with other domains, for example nic.bbc.
Host names with two IP numbers:
dns1.nic.bbc points to: 2a01:618:403::4 and 213.248.219.4.
dns2.nic.bbc points to: 2401:fd80:403::4 and 103.49.83.4.
dns3.nic.bbc points to: 2a01:618:407::4 and 213.248.223.4.
dns4.nic.bbc points to: 2401:fd80:407::4 and 43.230.51.4.
dnsa.nic.bbc points to: 2001:502:ad09::3 and 156.154.100.3.
dnsb.nic.bbc points to: 2001:502:2eda::3 and 156.154.101.3.
dnsc.nic.bbc points to: 2610:a1:1009::3 and 156.154.102.3.
dnsd.nic.bbc points to: 2610:a1:1010::3 and 156.154.103.3.