opcuk.com - dns.ninja
opcuk.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 79.170.44.83🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | web83.extendcp.co.uk | ||||||
| NS | ns2.mainnameserver.com ⭐ | ||||||
| A | 79.170.43.3🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | ns2.mainnameserver.com | ||||||
| NS | ns.mainnameserver.com | ||||||
| A | 79.170.40.2🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | ns1.mainnameserver.com | ||||||
| MX | mail.opcuk.com ⭐ | ||||||
| A | 79.170.40.19🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | mail19.extendcp.co.uk | ||||||
| TXT | v=spf1 include:soverin.net include:secureserver.net exists:%{i}.mta.spf.exten... | ||||||
| SOA | ns.mainnameserver.comhostmaster@mainnameserver.com 2025-01-13 #65 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783826472 | ||||||
Subdomains
Same first word
opcuk.com |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns.mainnameserver.com2015-07-07 → 2026-07-12 · 2 obs
● 2026-07-12 03:47:44
●NSns2.mainnameserver.com2015-07-07 → 2026-07-12 · 2 obs
● 2026-07-12 03:47:44
●MXmail.opcuk.com2015-07-07 → 2026-07-12 · 2 obs
● 2026-07-12 03:47:44
●A79.170.44.832015-07-07 → 2026-07-12 · 2 obs
● 2026-07-12 03:47:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| opcuk.com | ns.mainnameserver.com, ns2.mainnameserver.com | 2 records |
✅ Authoritative Response
Server:79.170.40.2
NS records: ns.mainnameserver.com, ns2.mainnameserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opcuk.com (unsigned zone)
⏱️ Timing
Total: 240ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 79.170.44.83 |
| NS | 2 | ns2.mainnameserver.com, ns.mainnameserver.com |
| MX | 1 | mail.opcuk.com (pri: 10) |
| TXT | 1 | v=spf1 include:soverin.net include:secur |
| SOA | 1 | ns.mainnameserver.com hostmaster.mainnam |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.mainnameserver.com, ns2.mainnameserver.com)
Analysis
Hierarchy
www.opcuk.com and mail.opcuk.com are both subdomains of opcuk.com.
IP Addresses
opcuk.com resolves to one IP address: 79.170.44.83.
lits.co.uk, arttown.co.uk, amophishipping.co.uk and two other host names share IP numbers with opcuk.com.
Name Servers
opcuk.com is served by two delegated name servers, ns2.mainnameserver.com and ns.mainnameserver.com.
opcuk.com uses the same name servers as several other domains — among them adrianewsnetwork.org, bootcamp-fitness.co.uk, heatfast.co.uk and two more.
The name servers of opcuk.com overlap at least partially with those of other domains — among them calfin.org.uk, reekiemachinetools.com, punchandjudy.com and two more.
The name servers ns1.mainnameserver.com, ns1.magnacom.co.uk and ns2.magnacom.co.uk are commonly seen alongside these name servers.
Both ns2.mainnameserver.com and ns.mainnameserver.com have a single IP address each — ns2.mainnameserver.com resolves to 79.170.43.3 while ns.mainnameserver.com resolves to 79.170.40.2.
Mail Servers
Mail for opcuk.com is handled by a single mail server, mail.opcuk.com.
There is one IP number for mail.opcuk.com: 79.170.40.19.