bookdata.co.uk - robtex.com

bookdata.co.uk

DNSSEC⚠️ Not signed
NSpdns1.ultradns.net ⭐ ⚠️ Not in parent delegation
A2001:502:f3ff::1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns1.ultradns.net
A204.74.108.1🇺🇸 MAINT-ID-12008204.74.108.0/24 Neustar
PTRpdns1.ultradns.net
NSedns64.ultradns.biz ⚠️ Not in zone NS records
A2610:a1:1015::240🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRedns64.ultradns.biz
A204.74.67.64🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar
PTRedns64.ultradns.biz
NSedns64.ultradns.com ⚠️ Not in zone NS records
A2001:502:f3ff::240🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRedns64.ultradns.com
A204.74.66.64🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar
PTRedns64.ultradns.com
NSedns64.ultradns.net ⚠️ Not in zone NS records
A2610:a1:1014::240🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRedns64.ultradns.net
A204.74.110.64🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar
PTRedns64.ultradns.net
NSedns64.ultradns.org ⚠️ Not in zone NS records
A2001:502:4612::240🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRedns64.ultradns.org
A204.74.111.64🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar
PTRedns64.ultradns.org
NSpdns2.ultradns.net ⚠️ Not in parent delegation
A2610:a1:1014::1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns2.ultradns.net
A204.74.109.1🇺🇸 MAINT-ID-12008204.74.109.0/24 Neustar
PTRpdns2.ultradns.net
NSpdns3.ultradns.org ⚠️ Not in parent delegation
A2610:a1:1015::1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns3.ultradns.org
A199.7.68.1🇺🇸 MAINT-ID-12008199.7.68.0/24 Neustar
PTRpdns3.ultradns.org
NSpdns4.ultradns.org ⚠️ Not in parent delegation
A2001:502:4612::1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns4.ultradns.org
A199.7.69.1🇺🇸 MAINT-ID-12008199.7.69.0/24 Neustar
PTRpdns4.ultradns.org
NSpdns5.ultradns.info ⚠️ Not in parent delegation
A2610:a1:1016::1🇺🇸 MAINT-ID-120082610:a1:1016::/48 Neustar
PTRpdns5.ultradns.info
A204.74.114.1🇺🇸 MAINT-ID-12008204.74.114.0/24 Neustar
PTRpdns5.ultradns.info
NSpdns6.ultradns.co.uk ⚠️ Not in parent delegation
A2610:a1:1017::1🇺🇸 MAINT-ID-120082610:a1:1017::/48 Neustar
PTRpdns6.ultradns.co.uk
A204.74.115.1🇺🇸 MAINT-ID-12008204.74.115.0/24 Neustar
PTRpdns6.ultradns.co.uk
TXTv=spf1 -all
SOApdns1.ultradns.nethostmaster@nielsen.com 2015-03-05 #3

co.uk

DNSSEC⚠️ Not signed
NSdns1.nic.uk ⭐ ⚠️ Not in parent delegation
NSdns2.nic.uk ⚠️ Not in parent delegation
NSdns3.nic.uk ⚠️ Not in parent delegation
NSdns4.nic.uk ⚠️ Not in parent delegation
NSnsa.nic.uk ⚠️ Not in parent delegation
NSnsb.nic.uk ⚠️ Not in parent delegation
NSnsc.nic.uk ⚠️ Not in parent delegation
NSnsd.nic.uk ⚠️ Not in parent delegation
SOAdns1.nic.ukhostmaster@nominet.org.uk serial=1785050208
WOT: SAFE (62/100)
rank #123243 globally
rank #3784 in the tld
WOT: SAFE (74/100)

Same first word

Similar names

DNS History

10 records (10 active, 0 former)

20162017201820192020202120222023202420252026NSedns64.ultradns.bizedns64.ultradns.comedns64.ultradns.netedns64.ultradns.orgpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.uk
NSedns64.ultradns.biz2026-03-30 → 2026-07-26 · 3 obs
○ 2015-08-02 23:12:02
● 2026-03-30 00:53:50
● 2026-07-26 07:21:30
NSedns64.ultradns.com2026-03-30 → 2026-07-26 · 3 obs
○ 2015-08-02 23:12:02
● 2026-03-30 00:53:50
● 2026-07-26 07:21:30
NSedns64.ultradns.net2026-03-30 → 2026-07-26 · 3 obs
○ 2015-08-02 23:12:02
● 2026-03-30 00:53:50
● 2026-07-26 07:21:30
NSedns64.ultradns.org2026-03-30 → 2026-07-26 · 3 obs
○ 2015-08-02 23:12:02
● 2026-03-30 00:53:50
● 2026-07-26 07:21:30
NSpdns1.ultradns.net2015-08-02 → 2026-07-26 · 2 obs
● 2015-08-02 23:12:02
● 2026-07-26 07:21:30
NSpdns2.ultradns.net2015-08-02 → 2026-07-26 · 2 obs
● 2015-08-02 23:12:02
● 2026-07-26 07:21:30
NSpdns3.ultradns.org2015-08-02 → 2026-07-26 · 2 obs
● 2015-08-02 23:12:02
● 2026-07-26 07:21:30
NSpdns4.ultradns.org2015-08-02 → 2026-07-26 · 2 obs
● 2015-08-02 23:12:02
● 2026-07-26 07:21:30
NSpdns5.ultradns.info2015-08-02 → 2026-07-26 · 2 obs
● 2015-08-02 23:12:02
● 2026-07-26 07:21:30
NSpdns6.ultradns.co.uk2015-08-02 → 2026-07-26 · 2 obs
● 2015-08-02 23:12:02
● 2026-07-26 07:21:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...-
bookdata.co.ukedns64.ultradns.net, edns64.ultradns.com, edns64.ultradns.biz, edns64.ultradns.org-

✅ Authoritative Response

Server:204.74.111.64

NS records: edns64.ultradns.net, edns64.ultradns.com, edns64.ultradns.biz, edns64.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookdata.co.uk (unsigned zone)

⏱️ Timing

Total: 1425ms | Queries: -

📄 Records

TypeCountSample Data
NS6pdns1.ultradns.net, pdns2.ultradns.net...
TXT1v=spf1 -all
SOA1pdns1.ultradns.net hostmaster.nielsen.co

Analysis

Name Servers

bookdata.co.uk carries NS records listing 10 name servers — edns64.ultradns.biz, edns64.ultradns.com, pdns5.ultradns.info and 7 others.

bookdata.co.uk has at least partial name server overlap with other domains, such as greencorporatetravel.ca, bliomberg.com, engineeringthextraordinary.com and two others.

pdns1.ultradns.net, pdns3.ultradns.org and pdns2.ultradns.net — plus 7 other name servers — are commonly paired with these name servers.

Hostnames that resolve to two IP addresses:

The A records for edns64.ultradns.biz return 204.74.67.64 and 2610:a1:1015::240.

The A records for edns64.ultradns.com return 204.74.66.64 and 2001:502:f3ff::240.

The A records for pdns5.ultradns.info return 204.74.114.1 and 2610:a1:1016::1.

The A records for edns64.ultradns.net return 204.74.110.64 and 2610:a1:1014::240.

The A records for pdns1.ultradns.net return 204.74.108.1 and 2001:502:f3ff::1.

The A records for pdns2.ultradns.net return 204.74.109.1 and 2610:a1:1014::1.

The A records for edns64.ultradns.org return 204.74.111.64 and 2001:502:4612::240.

The A records for pdns3.ultradns.org return 199.7.68.1 and 2610:a1:1015::1.

The A records for pdns4.ultradns.org return 199.7.69.1 and 2001:502:4612::1.

The A records for pdns6.ultradns.co.uk return 204.74.115.1 and 2610:a1:1017::1.