ubn.ac.uk - robtex.com

ubn.ac.uk

DNSSEC⚠️ Not signed
A128.243.80.167🇬🇧 JANET128.243.0.0/16 The University of Nottingham University Park Nottingham NG7 2RD UNITED KINGDOM
PTRwww-apache.nottingham.ac.uk
NSuidapdns02.nottingham.ac.uk ⭐ ⚠️ Not in parent delegation
A128.243.42.60🇬🇧 JANET128.243.0.0/16 The University of Nottingham University Park Nottingham NG7 2RD UNITED KINGDOM
PTRdns2.nottingham.ac.uk
PTRns2.nottingham.ac.uk
PTRuidapdns02.nottingham.ac.uk
NSdns1.nottingham.ac.uk ⚠️ Not in zone NS records
NSdns2.nottingham.ac.uk ⚠️ Not in zone NS records
A128.243.42.60🇬🇧 JANET128.243.0.0/16 The University of Nottingham University Park Nottingham NG7 2RD UNITED KINGDOM
PTRdns2.nottingham.ac.uk
PTRns2.nottingham.ac.uk
PTRuidapdns02.nottingham.ac.uk
NSns3.ja.net ⚠️ Not in zone NS records
A2001:630:0:46::67🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRns3.ja.net
A193.63.106.103🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom
PTRns3.ja.net
NSuidapdns01.nottingham.ac.uk ⚠️ Not in parent delegation
A128.243.46.118🇬🇧 JANET128.243.0.0/16 The University of Nottingham University Park Nottingham NG7 2RD UNITED KINGDOM
PTRdns1.nottingham.ac.uk
PTRns1.nottingham.ac.uk
PTRuidapdns01.nottingham.ac.uk
TXT6083426C-F0B3-4A75-9491-C55A4C1B00C4
TXTMS=ms64100409
SOAuidapdns02.nottingham.ac.ukdnsadmin@nottingham.ac.uk 2018-08-02 #13

ac.uk

DNSSEC⚠️ Not signed
NSns0.ja.net ⭐
NSauth03.ns.uu.net
NSdns-3.dfn.de
NSns1.surfnet.nl
NSns2.ja.net
NSns3.ja.net
NSns4.ja.net
SOAns0.ja.netdns@ops.jisc.ac.uk 2026-06-06 #20
WOT: SAFE (79/100)

Same first word

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bun.app
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nub.net
bun.edu.eg
bun.nl
bun.pl
nub.de
bnu.kr
bun.com.cn
unb.gg
bnu.se
bun.hu

DNS History

7 records (6 active, 1 former)

NSdns1.nottingham.ac.ukdns2.nottingham.ac.ukns3.ja.netuidapdns01.nottingham.ac.ukuidapdns02.nottingham.ac.ukMXubn-ac-uk.mail.protection.outlook.comA128.243.80.167
●NSdns1.nottingham.ac.uk2026-06-11 → 2026-07-04 · 4 obs
● 2026-06-11 23:05:24
○ 2026-06-23 03:04:32
● 2026-07-04 00:57:12
● 2026-07-04 17:22:28
●NSdns2.nottingham.ac.uk2026-06-11 → 2026-07-04 · 3 obs
● 2026-06-11 23:05:24
○ 2026-06-23 03:04:32
● 2026-07-04 17:22:28
●NSns3.ja.net2026-06-11 → 2026-07-04 · 4 obs
● 2026-06-11 23:05:24
○ 2026-06-23 03:04:32
● 2026-07-04 00:57:12
● 2026-07-04 17:22:28
●NSuidapdns01.nottingham.ac.uk2026-06-18 → 2026-07-04 · 5 obs
○ 2026-06-11 23:05:24
● 2026-06-18 22:32:28
○ 2026-06-23 03:04:32
● 2026-07-04 00:57:12
● 2026-07-04 17:22:28
●NSuidapdns02.nottingham.ac.uk2026-06-11 → 2026-07-04 · 3 obs
● 2026-06-11 23:05:24
○ 2026-06-23 03:04:32
● 2026-07-04 17:22:28
○MXubn-ac-uk.mail.protection.outlook.com2026-06-18 → 2026-07-04 · 4 obs
● 2026-06-18 22:32:28
○ 2026-06-23 03:04:32
● 2026-07-04 00:57:12
○ 2026-07-04 17:22:28
●A128.243.80.1672026-06-11 → 2026-07-04 · 4 obs
● 2026-06-11 23:05:24
○ 2026-06-23 03:04:32
● 2026-07-04 00:57:12
● 2026-07-04 17:22:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk...-
ac.ukns4.ja.net, dns-3.dfn.de, ns2.ja.net, ns1.surfnet.nl...-
ubn.ac.ukns3.ja.net, dns1.nottingham.ac.uk, dns2.nottingham.ac.uk-

✅ Authoritative Response

Server:128.243.42.60

NS records: ns3.ja.net, dns1.nottingham.ac.uk, dns2.nottingham.ac.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ubn.ac.uk (unsigned zone)

⏱️ Timing

Total: 1147ms | Queries: -

📄 Records

TypeCountSample Data
A1128.243.80.167
NS2uidapdns01.nottingham.ac.uk, uidapdns02.nottingham.ac.uk
MX1ubn-ac-uk.mail.protection.outlook.com (p
TXT2MS=ms64100409, 6083426C-F0B3-4A75-9491-C55A4C1B00C4
SOA1uidapdns02.nottingham.ac.uk dnsadmin.not

Analysis

IP Addresses

ubn.ac.uk resolves to just one IP address, 128.243.80.167.

Two other host names, along with rsp.ac.uk, powerelectronics.ac.uk and theletterspage.ac.uk, also share IP numbers with ubn.ac.uk.

Name Servers

ubn.ac.uk delegates to five name servers: ns3.ja.net, dns1.nottingham.ac.uk, dns2.nottingham.ac.uk and two others.

ubn.ac.uk shares at least some of its name servers with other domains, including uwe.ac.uk, thurrockcampus.ac.uk, sgul.ac.uk and two others.

These name servers are frequently seen alongside uidapdns01.nottingham.ac.uk, uidapdns02.nottingham.ac.uk, ns2.ja.net and 7 other name servers.

Host names that have two IP addresses:

ns3.ja.net resolves to 193.63.106.103 and 2001:630:0:46::67.

Host names that point to one IP address:

dns2.nottingham.ac.uk resolves to 128.243.42.60.

uidapdns01.nottingham.ac.uk resolves to 128.243.46.118.

uidapdns02.nottingham.ac.uk resolves to 128.243.42.60.

The host names dns2.nottingham.ac.uk and uidapdns02.nottingham.ac.uk both resolve to 128.243.42.60 IP addresses.