net.cf.ac.uk - robtex.com
net.cf.ac.uk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | mnetidns01.cf.ac.uk ⭐ ⚠️ Not in parent delegation | ||||||
| A | 131.251.62.12🇬🇧 JANET131.251.0.0/16 Cardiff University Information Services 40/41 Park Place Cardiff CF10 3BB UNITED KINGDOM | ||||||
| PTR | mnetidns01.cf.ac.uk | ||||||
| NS | mnetidns02.cf.ac.uk ⚠️ Not in parent delegation | ||||||
| A | 131.251.62.13🇬🇧 JANET131.251.0.0/16 Cardiff University Information Services 40/41 Park Place Cardiff CF10 3BB UNITED KINGDOM | ||||||
| PTR | mnetidns02.cf.ac.uk | ||||||
| NS | ns3.ja.net ⚠️ Not in parent delegation | ||||||
| A | 2001:630:0:46::67🇬🇧 JANET2001:630::/32 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom | ||||||
| PTR | ns3.ja.net | ||||||
| A | 193.63.106.103🇬🇧 JANET193.60.0.0/14 JANET(UK) Network Operations Centre Third floor 15 Fetter Lane London EC4A 1BW United Kingdom | ||||||
| SOA | mnetidns01.cf.ac.ukhostmaster@cardiff.ac.uk serial=758 | ||||||
cf.ac.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 43.245.41.93🇦🇺 SQUIZ-AS-AP43.245.41.0/24 Squiz hosting | ||||||
| NS | mnetidns01.cf.ac.uk ⭐ | ||||||
| NS | mnetidns02.cf.ac.uk | ||||||
| NS | ns3.ja.net ⚠️ Not in parent delegation | ||||||
| MX | cf-ac-uk.mail.protection.outlook.com ⭐ | ||||||
| TXT | google-gws-recovery-domain-verification=70005529 | ||||||
| TXT | apple-domain-verification=e2tZ15BPiDbMy6w2 | ||||||
| TXT | 8A8FC754-9517-4903-89F0-485BD355265C | ||||||
| TXT | ZOOM_verify_4DwfP9IMSouWxNoqvBZ6dg | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com exists:%{ir}.%{v}.arpa.spf.cardiff.... | ||||||
| TXT | scnv-verification=6f3b1b9a82b9b5523451253f5f83a571:ceea21c0764997f59294b16075... | ||||||
| TXT | QuoVadis=c9b0353e-e6e2-46c8-984d-a09e98dbe402 | ||||||
| TXT | MS=ms63802573 | ||||||
| TXT | MS=ms60395318 | ||||||
| TXT | mentimeter-8d826a9f-35de-4930-a644-9856fcd72553 | ||||||
| TXT | google-site-verification=LdJePZTvkh_n5gePg7UE8Gis5jPJl0BuLA2t88EnxDM | ||||||
| SOA | mnetidns01.cf.ac.ukhostmaster@cardiff.ac.uk serial=39384 | ||||||
rank #8976 globally
rank #212 in the tld
WOT: SAFE (89/100)
📈 Tranco rank: #27,408
Subdomains
vlan340-vrrpe.net.cf.ac.uk |
vlan333-vrrpe.net.cf.ac.uk |
vlan1572-vrrpe.net.cf.ac.uk |
vlan1571-vrrpe.net.cf.ac.uk |
nrdcfw-nrdcsar.net.cf.ac.uk |
rdwd-dc-mlx4-01.net.cf.ac.uk |
vpn-loopback.net.cf.ac.uk |
vlan1170-vrrpe.net.cf.ac.uk |
vlan1570-vrrpe.net.cf.ac.uk |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSmnetidns01.cf.ac.uk2026-03-04 → 2026-07-04 · 2 obs
● 2026-07-04 05:58:18
●NSmnetidns02.cf.ac.uk2026-03-04 → 2026-07-04 · 2 obs
● 2026-07-04 05:58:18
🔍 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... | - |
| cf.ac.uk | mnetidns01.cf.ac.uk, ns3.ja.net, mnetidns02.cf.ac.uk | 2 records |
✅ Authoritative Response
Server:131.251.62.13
NS records: mnetidns01.cf.ac.uk, ns3.ja.net, mnetidns02.cf.ac.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cf.ac.uk (unsigned zone)
⏱️ Timing
Total: 1508ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | mnetidns02.cf.ac.uk, mnetidns01.cf.ac.uk... |
| SOA | 1 | mnetidns01.cf.ac.uk hostmaster.cardiff.a |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (mnetidns01.cf.ac.uk, mnetidns02.cf.ac.uk)
Analysis
Hierarchy
net.cf.ac.uk serves as parent to vlan340-vrrpe.net.cf.ac.uk, vlan333-vrrpe.net.cf.ac.uk, vlan1572-vrrpe.net.cf.ac.uk, vlan1571-vrrpe.net.cf.ac.uk, nrdcfw-nrdcsar.net.cf.ac.uk along with a few other host names.
Name Servers
net.cf.ac.uk is served by three name servers: ns3.ja.net, mnetidns01.cf.ac.uk and mnetidns02.cf.ac.uk.
net.cf.ac.uk has at least partial name server overlap with other domains, such as nuca.ac.uk, 65.194.195.in-addr.arpa, 127.63.193.in-addr.arpa and two others.
ns1.ja.net, ns0.soton.ac.uk and ns1.soton.ac.uk — plus 7 other name servers — are commonly paired with these name servers.
Hosts with two IP numbers each:
The A records for ns3.ja.net return 193.63.106.103 and 2001:630:0:46::67.
Hosts that resolve to one IP address:
mnetidns01.cf.ac.uk resolves to the IP address 131.251.62.12.
mnetidns02.cf.ac.uk resolves to the IP address 131.251.62.13.