ceoi.ac.uk - robtex.com
ceoi.ac.uk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 143.210.56.21🇬🇧 JANET143.210.0.0/16 University of Leicester University Road Leicester LE1 7RH UNITED KINGDOM | ||||||
| PTR | base-open-i1.lamp.le.ac.uk | ||||||
| NS | ns0.le.ac.uk ⭐ | ||||||
| A | 143.210.6.226🇬🇧 JANET143.210.0.0/16 University of Leicester University Road Leicester LE1 7RH UNITED KINGDOM | ||||||
| PTR | cc-ib-dns-01.le.ac.uk | ||||||
| PTR | ns0.le.ac.uk | ||||||
| PTR | ns2.le.ac.uk | ||||||
| NS | ns1.le.ac.uk | ||||||
| A | 143.210.6.227🇬🇧 JANET143.210.0.0/16 University of Leicester University Road Leicester LE1 7RH UNITED KINGDOM | ||||||
| PTR | ben-ib-dns-01.le.ac.uk | ||||||
| PTR | ns1.le.ac.uk | ||||||
| NS | ns2.le.ac.uk | ||||||
| A | 143.210.6.226🇬🇧 JANET143.210.0.0/16 University of Leicester University Road Leicester LE1 7RH UNITED KINGDOM | ||||||
| PTR | cc-ib-dns-01.le.ac.uk | ||||||
| PTR | ns0.le.ac.uk | ||||||
| PTR | ns2.le.ac.uk | ||||||
| TXT | QuoVadis=c3a47b94-da50-4246-b522-f36926510604 | ||||||
| SOA | ns0.le.ac.ukhostmaster@le.ac.uk serial=2310082214 | ||||||
ac.uk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.ja.net ⭐ | ||||||
| NS | auth03.ns.uu.net | ||||||
| NS | dns-3.dfn.de | ||||||
| NS | ns1.surfnet.nl | ||||||
| NS | ns2.ja.net | ||||||
| NS | ns3.ja.net | ||||||
| NS | ns4.ja.net | ||||||
| SOA | ns0.ja.netdns@ops.jisc.ac.uk 2026-06-06 #52 | ||||||
Subdomains
www.ceoi.ac.uk |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
●NSns0.le.ac.uk2026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 01:44:58
● 2026-07-19 14:02:56
○NSns0.rl.ac.uk2015-08-11 → 2018-05-30 · 4 obs
● 2018-05-30 00:45:02
○ 2026-06-23 01:44:58
○ 2026-07-19 14:02:56
●NSns1.le.ac.uk2026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 01:44:58
● 2026-07-19 14:02:56
○NSns1.rl.ac.uk2015-08-11 → 2018-05-30 · 4 obs
● 2018-05-30 00:45:02
○ 2026-06-23 01:44:58
○ 2026-07-19 14:02:56
●NSns2.le.ac.uk2026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 01:44:58
● 2026-07-19 14:02:56
○NSns2.rl.ac.uk2015-08-11 → 2018-05-30 · 4 obs
● 2018-05-30 00:45:02
○ 2026-06-23 01:44:58
○ 2026-07-19 14:02:56
○NSns3.rl.ac.uk2015-08-11 → 2018-05-30 · 4 obs
● 2018-05-30 00:45:02
○ 2026-06-23 01:44:58
○ 2026-07-19 14:02:56
○NSnserv1.dl.ac.uk2015-08-11 → 2018-05-30 · 4 obs
● 2018-05-30 00:45:02
○ 2026-06-23 01:44:58
○ 2026-07-19 14:02:56
○A130.246.143.1622017-01-07 → 2018-05-30 · 5 obs
● 2017-01-07 00:51:24
● 2018-05-30 00:45:02
○ 2026-06-23 01:44:58
○ 2026-07-19 14:02:56
○A130.246.92.1942015-08-11 → 2016-11-26 · 4 obs
● 2016-11-26 10:32:24
○ 2017-01-07 00:51:24
○ 2026-07-19 14:02:56
●A143.210.56.212026-06-23 → 2026-07-19 · 3 obs
● 2026-06-23 01:44:58
● 2026-07-19 14:02:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | nsa.nic.uk, nsb.nic.uk, nsc.nic.uk, nsd.nic.uk... | - |
| ac.uk | ns0.ja.net, ns1.surfnet.nl, ns2.ja.net, ns3.ja.net... | - |
| ceoi.ac.uk | ns1.le.ac.uk, ns2.le.ac.uk, ns0.le.ac.uk | 3 records |
✅ Authoritative Response
Server:143.210.6.227
NS records: ns1.le.ac.uk, ns2.le.ac.uk, ns0.le.ac.uk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 938ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 143.210.56.21 |
| NS | 3 | ns1.le.ac.uk, ns2.le.ac.uk... |
| TXT | 1 | QuoVadis=c3a47b94-da50-4246-b522-f369265 |
| SOA | 1 | ns0.le.ac.uk hostmaster.le.ac.uk |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns2.le.ac.uk, ns1.le.ac.uk, ns0.le.ac.uk)
Analysis
Hierarchy
The domain www.ceoi.ac.uk falls under the parent ceoi.ac.uk.
IP Addresses
ceoi.ac.uk has exactly one IP address — 143.210.56.21.
phosp.org, space-park.com, attenborougharts.com plus two other host names have IP numbers in common with ceoi.ac.uk.
Name Servers
The authoritative name servers for ceoi.ac.uk are ns0.le.ac.uk, ns1.le.ac.uk and ns2.le.ac.uk — three in total.
At least some of ceoi.ac.uk's name servers are shared with other domains, for example dirac.ac.uk, exceed.org.uk, attenborougharts.com and two more.
These name servers tend to be used in conjunction with the name servers ns3.ja.net.
ns0.le.ac.uk and ns2.le.ac.uk both resolve to 143.210.6.226, while ns1.le.ac.uk resolves to 143.210.6.227. All three hostnames map to exactly one IP address each.
Both ns0.le.ac.uk and ns2.le.ac.uk resolve to 143.210.6.226 IP addresses each.