`busbenchmarking.org`

DNSSEC	⚠️ Not signed
A	82.71.204.27^{🇬🇧 ZEN-AS82.71.0.0/16 Zen Internet Ltd}
		PTR	`cp17.hosting.zen.net.uk`
NS	`ns0.ic.ac.uk` ⭐
		A	2a0c:5bc0:4:1::80^{🇬🇧 JANET2a0c:5bc0::/29 Imperial College London Exhibition Road London SW7 2BX UNITED KINGDOM}
			PTR	`ns0.ic.ac.uk`
		A	155.198.142.80^{🇬🇧 JANET155.198.0.0/16 Imperial College of Science and Technology South Kensington London SW7 2BZ UNITED KINGDOM}
			PTR	`ns0.ic.ac.uk`
NS	`ns1.ic.ac.uk`
		A	2a0c:5bc0:4:1::81^{🇬🇧 JANET2a0c:5bc0::/29 Imperial College London Exhibition Road London SW7 2BX UNITED KINGDOM}
			PTR	`ns1.ic.ac.uk`
		A	155.198.142.81^{🇬🇧 JANET155.198.0.0/16 Imperial College of Science and Technology South Kensington London SW7 2BZ UNITED KINGDOM}
			PTR	`ns1.ic.ac.uk`
NS	`ns2.ic.ac.uk`
		A	2a0c:5bc0:4:1::82^{🇬🇧 JANET2a0c:5bc0::/29 Imperial College London Exhibition Road London SW7 2BX UNITED KINGDOM}
			PTR	`ns2.ic.ac.uk`
		A	155.198.142.82^{🇬🇧 JANET155.198.0.0/16 Imperial College of Science and Technology South Kensington London SW7 2BZ UNITED KINGDOM}
			PTR	`ns2.ic.ac.uk`
SOA	`ns0.ic.ac.uk`hostmaster@ic.ac.uk serial=2000000002

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776108800

Same first word

busbenchmarking.org

DNS History

6 records (4 active, 2 former)

●NSns0.ic.ac.uk2026-03-20 → 2026-04-13 · 3 obs

○ 2017-06-15 06:53:06
● 2026-03-20 15:32:32
● 2026-04-13 20:09:26

○NSns0.securepod.com2015-08-20 → 2017-06-15 · 4 obs

● 2015-08-20 03:51:58
● 2017-06-15 06:53:06
○ 2026-03-20 15:32:32
○ 2026-04-13 20:09:26

●NSns1.ic.ac.uk2026-03-20 → 2026-04-13 · 3 obs

○ 2017-06-15 06:53:06
● 2026-03-20 15:32:32
● 2026-04-13 20:09:26

○NSns1.securepod.com2015-08-20 → 2017-06-15 · 4 obs

● 2015-08-20 03:51:58
● 2017-06-15 06:53:06
○ 2026-03-20 15:32:32
○ 2026-04-13 20:09:26

●NSns2.ic.ac.uk2026-03-20 → 2026-04-13 · 3 obs

○ 2017-06-15 06:53:06
● 2026-03-20 15:32:32
● 2026-04-13 20:09:26

●A82.71.204.272015-08-20 → 2026-04-13 · 2 obs

● 2015-08-20 03:51:58
● 2026-04-13 20:09:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
busbenchmarking.org	ns1.ic.ac.uk, ns2.ic.ac.uk	-

✅ Authoritative Response

Server:155.198.142.81

NS records: ns1.ic.ac.uk, ns2.ic.ac.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for busbenchmarking.org (unsigned zone)

⏱️ Timing

Total: 883ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`82.71.204.27`
NS	2	`ns1.ic.ac.uk, ns2.ic.ac.uk`
SOA	1	`ns0.ic.ac.uk hostmaster.ic.ac.uk`

Analysis

IP Addresses

busbenchmarking.org resolves to one IP number: 82.71.204.27.

Other host names, for instance hammonduk.com, pgassoc.co.uk, c1230062.myzen.co.uk, mellorelectrics.co.uk and caveltd.co.uk share IP numbers with busbenchmarking.org.

Name Servers

busbenchmarking.org is delegated to three name servers: ns0.ic.ac.uk, ns1.ic.ac.uk and ns2.ic.ac.uk.

busbenchmarking.org at least partially shares name servers with other domains, including maths.org, damtp.cam.ac.uk, 5.84.192.in-addr.arpa, 198.155.in-addr.arpa and nektar.info.

these name servers are commonly used with auth0.dns.cam.ac.uk, ns1.mythic-beasts.com, ns3.mythic-beasts.com, dns0.eng.cam.ac.uk, dns0.cl.cam.ac.uk, auth1.dns.cam.ac.uk, primary.dns.cam.ac.uk, authdns0.maths.cam.ac.uk and authdns1.maths.cam.ac.uk.

Host names with two IP numbers:

ns0.ic.ac.uk: 2a0c:5bc0:4:1::80 and 155.198.142.80

ns1.ic.ac.uk: 2a0c:5bc0:4:1::81 and 155.198.142.81

ns2.ic.ac.uk: 2a0c:5bc0:4:1::82 and 155.198.142.82

busbenchmarking.org - robtex.com