oarc.org.uk - robtex.com
oarc.org.uk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.2.118.141🇬🇧 AS2071281.2.64.0/18 AAISP | ||||||
| PTR | 141.118.2.81.in-addr.arpa | ||||||
| NS | ns0.zen.co.uk ⭐ | ||||||
| A | 2a02:8010:7:1::53🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd | ||||||
| PTR | ns0.zen.co.uk | ||||||
| A | 212.23.8.1🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | ns0.zen.co.uk | ||||||
| NS | ns1.zen.co.uk | ||||||
| A | 2a02:8010:2:8::53🇬🇧 ZEN-AS2a02:8010::/29 Zen Internet Ltd | ||||||
| PTR | ns1.zen.co.uk | ||||||
| A | 212.23.3.1🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | ns1.zen.co.uk | ||||||
| MX | mailcluster.zen.co.uk ⭐ | ||||||
| A | 212.23.3.121🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | bastion02.mail.zen.net.uk | ||||||
| A | 212.23.6.67🇬🇧 ZEN-AS212.23.0.0/19 Zen Internet Ltd | ||||||
| PTR | bastion04.mail.zen.net.uk | ||||||
| TXT | v=spf1 ip4:212.23.0.0/16 ~all | ||||||
| SOA | ns0.zen.co.ukdnsmaster@zen.co.uk 2010-01-07 #20 | ||||||
org.uk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.nic.uk ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns2.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns3.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | dns4.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsa.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsb.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsc.nic.uk ⚠️ Not in parent delegation | ||||||
| NS | nsd.nic.uk ⚠️ Not in parent delegation | ||||||
| SOA | dns1.nic.ukhostmaster@nominet.org.uk serial=1775944885 | ||||||
rank #33749 in the tld
WOT: SAFE (71/100)
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
○NSunamuno.zen.co.uk2015-06-22 → 2017-04-19 · 4 obs
● 2017-04-19 09:56:12
○ 2026-03-27 15:54:58
○ 2026-04-11 22:15:44
●MXmailcluster.zen.co.uk2015-06-22 → 2026-04-11 · 2 obs
● 2026-04-11 22:15:44
○A212.23.8.802015-06-22 → 2017-04-19 · 4 obs
● 2017-04-19 09:56:12
○ 2026-03-27 15:54:58
○ 2026-04-11 22:15:44
●A81.2.118.1412026-03-27 → 2026-04-11 · 3 obs
● 2026-03-27 15:54:58
● 2026-04-11 22:15:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uk | dns2.nic.uk, dns1.nic.uk, nsd.nic.uk, nsc.nic.uk... | - |
| oarc.org.uk | ns1.zen.co.uk, ns0.zen.co.uk | - |
✅ Authoritative Response
Server:212.23.8.1
NS records: ns1.zen.co.uk, ns0.zen.co.uk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for oarc.org.uk (unsigned zone)
⏱️ Timing
Total: 4420ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.2.118.141 |
| NS | 2 | ns1.zen.co.uk, ns0.zen.co.uk |
| MX | 1 | mailcluster.zen.co.uk (pri: 10) |
| TXT | 1 | v=spf1 ip4:212.23.0.0/16 ~all |
| SOA | 1 | ns0.zen.co.uk dnsmaster.zen.co.uk |
Analysis
IP Addresses
oarc.org.uk points to a single IP: 81.2.118.141.
Other host names such as eafield.com and ukchips.com share IP numbers with oarc.org.uk.
Name Servers
oarc.org.uk's delegation is to two name servers ns0.zen.co.uk and ns1.zen.co.uk.
oarc.org.uk shares the same name server configuration as other domains, such as 15.155.217.in-addr.arpa, 8.23.212.in-addr.arpa, langridges.com, britbase.co.uk and visoftware.co.uk.
oarc.org.uk shares name servers with other domains to at least some extent, for instance rialtocare.org and reporting.zen.net.uk.
These name servers are often used together with the name servers unamuno.zen.co.uk.
Host names with two IP numbers: ns0.zen.co.uk points to 2a02:8010:7:1::53 and 212.23.8.1; ns1.zen.co.uk points to 2a02:8010:2:8::53 and 212.23.3.1
Mail Servers
oarc.org.uk is served by a single mail server, mailcluster.zen.co.uk.
oarc.org.uk uses the same mail server setup as other domains such as xenondigital.co.uk, spinelli.co.uk, virtualitconsultancy.ltd.uk, johnstoneelectricalservices.com and jprepro.co.uk.
oarc.org.uk shares some mail servers with other domains, including snopake.co.uk, christopherlangton.co.uk, excellence-in-learning.co.uk, kctmo.co.uk and martingold.com.
Hostname mailcluster.zen.co.uk resolves to two IPs: 212.23.3.121 and 212.23.6.67.