bbcknowledge.com - dns.ninja

`bbcknowledge.com`

DNSSEC	⚠️ Not signed
A	18.201.0.224^{🇮🇪 Amazon18.201.0.0/16 EC2 DUB prefix}
		PTR	`ec2-18-201-0-224.eu-west-1.compute.amazonaws.com`
A	52.212.159.195^{🇮🇪 Amazon52.208.0.0/13 EC2 DUB prefix}
A	52.213.182.76^{🇮🇪 Amazon52.208.0.0/13 EC2 DUB prefix}
NS	`eu.ns01-bbcstudios.com` ⭐
		A	2600:9000:5307:af00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1967.awsdns-53.co.uk`
		A	205.251.199.175^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1967.awsdns-53.co.uk`
NS	`asia.ns01-bbcstudios.com`
		A	2600:9000:5302:b00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-523.awsdns-01.net`
		A	205.251.194.11^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-523.awsdns-01.net`
NS	`aus.ns01-bbcstudios.com`
		A	2600:9000:5304:2200::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1058.awsdns-04.org`
		A	205.251.196.34^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1058.awsdns-04.org`
NS	`us.ns01-bbcstudios.com`
		A	2600:9000:5301:af00::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-431.awsdns-53.com`
		A	205.251.193.175^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-431.awsdns-53.com`
MX	`cluster8.eu.messagelabs.com` ⭐
		A	85.158.142.211^{🇬🇧 Google85.158.142.0/24 MessageLabs Limited Amsterdam Network Route}
			PTR	`mail835.messagelabs.com`
		A	85.158.142.216^{🇬🇧 Google85.158.142.0/24 MessageLabs Limited Amsterdam Network Route}
			PTR	`mail840.messagelabs.com`
		A	195.245.230.195^{🇬🇧 Google195.245.230.0/24 MessageLabs Ltd Frankfurt Network Route}
			PTR	`mail853.messagelabs.com`
		A	195.245.230.198^{🇬🇧 Google195.245.230.0/24 MessageLabs Ltd Frankfurt Network Route}
			PTR	`mail856.messagelabs.com`
		A	195.245.231.66^{🇬🇧 Google195.245.231.0/24 MessageLabs Limited Amsterdam Network Route}
			PTR	`mail871.messagelabs.com`
		A	195.245.231.71^{🇬🇧 Google195.245.231.0/24 MessageLabs Limited Amsterdam Network Route}
			PTR	`mail875.messagelabs.com`
MX	`cluster8a.eu.messagelabs.com` ⭐
		A	34.91.159.228^{🇳🇱 Google34.91.144.0/20}
TXT	`797cr8ydysf2rs51zhq8p27xdzxy12qr`
TXT	`_5kujcuxfkfcfrh0auatm66iqxiwogl1`
TXT	`v=spf1 -all`
SOA	`eu.ns01-bbcstudios.com`bbcstudios-hostmaster@bbcstudios.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786288114

WOT: SAFE (92/100)

Subdomains

www.bbcknowledge.com

italy.bbcknowledge.com

Same first word

bbcknowledge.co.nz

bbcknowledge.com

DNS History

20 records (9 active, 11 former)

●NSasia.ns01-bbcstudios.com2026-02-27 → 2026-08-09 · 3 obs

○ 2016-06-29 04:02:38
● 2026-02-27 00:39:58
● 2026-08-09 15:18:48

●NSaus.ns01-bbcstudios.com2026-02-27 → 2026-08-09 · 3 obs

○ 2016-06-29 04:02:38
● 2026-02-27 00:39:58
● 2026-08-09 15:18:48

●NSeu.ns01-bbcstudios.com2026-02-27 → 2026-08-09 · 3 obs

○ 2016-06-29 04:02:38
● 2026-02-27 00:39:58
● 2026-08-09 15:18:48

○NSns.bbc.co.uk2008-03-15 → 2016-06-29 · 4 obs

● 2008-03-15 00:21:54
● 2016-06-29 04:02:38
○ 2026-02-27 00:39:58
○ 2026-08-09 15:18:48

○NSns1.thdo.bbc.co.uk2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:21:54
○ 2015-07-21 22:13:42
○ 2026-08-09 15:18:48

○NSns1.thls.bbc.co.uk2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:21:54
○ 2015-07-21 22:13:42
○ 2026-08-09 15:18:48

○NSns1.thny.bbc.co.uk2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:21:54
○ 2015-07-21 22:13:42
○ 2026-08-09 15:18:48

○NSns3.bbc.co.uk2015-07-21 → 2016-06-29 · 5 obs

○ 2008-03-15 00:21:54
● 2015-07-21 22:13:42
● 2016-06-29 04:02:38
○ 2026-02-27 00:39:58
○ 2026-08-09 15:18:48

○NSns3.bbc.net.uk2015-07-21 → 2016-06-29 · 5 obs

○ 2008-03-15 00:21:54
● 2015-07-21 22:13:42
● 2016-06-29 04:02:38
○ 2026-02-27 00:39:58
○ 2026-08-09 15:18:48

○NSns4.bbc.co.uk2015-07-21 → 2016-06-29 · 5 obs

○ 2008-03-15 00:21:54
● 2015-07-21 22:13:42
● 2016-06-29 04:02:38
○ 2026-02-27 00:39:58
○ 2026-08-09 15:18:48

○NSns4.bbc.net.uk2015-07-21 → 2016-06-29 · 5 obs

○ 2008-03-15 00:21:54
● 2015-07-21 22:13:42
● 2016-06-29 04:02:38
○ 2026-02-27 00:39:58
○ 2026-08-09 15:18:48

●NSus.ns01-bbcstudios.com2026-02-27 → 2026-08-09 · 3 obs

○ 2016-06-29 04:02:38
● 2026-02-27 00:39:58
● 2026-08-09 15:18:48

●MXcluster8.eu.messagelabs.com2015-07-21 → 2026-08-09 · 3 obs

○ 2008-03-15 00:21:54
● 2015-07-21 22:13:42
● 2026-08-09 15:18:48

●MXcluster8a.eu.messagelabs.com2015-07-21 → 2026-08-09 · 3 obs

○ 2008-03-15 00:21:54
● 2015-07-21 22:13:42
● 2026-08-09 15:18:48

○MXmx.bbc.co.uk2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:21:54
○ 2015-07-21 22:13:42
○ 2026-08-09 15:18:48

●A18.201.0.2242026-02-27 → 2026-08-09 · 3 obs

○ 2016-06-29 04:02:38
● 2026-02-27 00:39:58
● 2026-08-09 15:18:48

○A217.72.240.2292008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 00:21:54
○ 2015-07-21 22:13:42
○ 2026-08-09 15:18:48

●A52.212.159.1952026-02-27 → 2026-08-09 · 3 obs

○ 2016-06-29 04:02:38
● 2026-02-27 00:39:58
● 2026-08-09 15:18:48

●A52.213.182.762026-02-27 → 2026-08-09 · 3 obs

○ 2016-06-29 04:02:38
● 2026-02-27 00:39:58
● 2026-08-09 15:18:48

○A83.138.173.32015-07-21 → 2016-06-29 · 5 obs

○ 2008-03-15 00:21:54
● 2015-07-21 22:13:42
● 2016-06-29 04:02:38
○ 2026-02-27 00:39:58
○ 2026-08-09 15:18:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
bbcknowledge.com	eu.ns01-bbcstudios.com, us.ns01-bbcstudios.com, asia.ns01-bbcstudios.com, aus.ns01-bbcstudios.com	8 records

✅ Authoritative Response

Server:205.251.196.34

NS records: eu.ns01-bbcstudios.com, us.ns01-bbcstudios.com, asia.ns01-bbcstudios.com, aus.ns01-bbcstudios.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bbcknowledge.com (unsigned zone)

⏱️ Timing

Total: 256ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`52.213.182.76, 52.212.159.195...`
NS	4	`asia.ns01-bbcstudios.com, aus.ns01-bbcstudios.com...`
MX	2	`cluster8.eu.messagelabs.com (pri: 10), cluster8a.eu.messagelabs.com (pri: 10)`
TXT	3	`797cr8ydysf2rs51zhq8p27xdzxy12qr, _5kujcuxfkfcfrh0auatm66iqxiwogl1...`
SOA	1	`eu.ns01-bbcstudios.com bbcstudios-hostma`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (eu.ns01-bbcstudios.com, eu.ns01-bbcstudios.com, us.ns01-bbcstudios.com...)

Analysis

Hierarchy

www.bbcknowledge.com and italy.bbcknowledge.com each fall under bbcknowledge.com as their parent domain.

IP Addresses

bbcknowledge.com has three IP addresses: 18.201.0.224, 52.212.159.195 and 52.213.182.76.

Two other host names, along with bbcpodcasts.com, doctor-who.com and strictlyspectacular.com, also share IP numbers with bbcknowledge.com.

Name Servers

The NS records for bbcknowledge.com point to four name servers: asia.ns01-bbcstudios.com, aus.ns01-bbcstudios.com, eu.ns01-bbcstudios.com and us.ns01-bbcstudios.com.

The name servers of bbcknowledge.com overlap at least partially with those of other domains — among them bbcworldnews.com, bbcstudioscreative.com, cbeebies.games and two more.

Each of the four hosts asia.ns01-bbcstudios.com, aus.ns01-bbcstudios.com, eu.ns01-bbcstudios.com and us.ns01-bbcstudios.com has two IP addresses. asia.ns01-bbcstudios.com points to 205.251.194.11 and 2600:9000:5302:b00::1. aus.ns01-bbcstudios.com points to 205.251.196.34 and 2600:9000:5304:2200::1. eu.ns01-bbcstudios.com points to 205.251.199.175 and 2600:9000:5307:af00::1. us.ns01-bbcstudios.com points to 205.251.193.175 and 2600:9000:5301:af00::1.

Mail Servers

bbcknowledge.com is served by two mail servers, cluster8.eu.messagelabs.com and cluster8a.eu.messagelabs.com.

Among the domains sharing a mail server setup with bbcknowledge.com are estrima.be, dyflex.com, covenantlegal.com and two others.

There is at least a partial MX overlap between bbcknowledge.com and other domains, including visitengland.org, novamark.fr, enhancedcontrolsystems.com and two others.

These mail servers often co-occur with the mail servers mail3.inditex.com.

DNS names with 6 IP addresses:

cluster8.eu.messagelabs.com has IP addresses 85.158.142.211, 85.158.142.216 and 195.245.230.195, plus 3 other.

Host names that point to one IP address:

cluster8a.eu.messagelabs.com directs to 34.91.159.228.