firstsourceuk.com - robtex.com
firstsourceuk.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.236.8.119🇬🇧 PULSANT-AS46.236.0.0/18 | ||||||
| PTR | ibs4.infinitybs.com | ||||||
| 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.firstsourceuk.com ⭐ | ||||||
| A | 79.170.44.159🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited | ||||||
| PTR | mail159.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=1777510051 | ||||||
Subdomains
Same first word
firstsourceuk.com |
DNS History
4 records (4 active, 0 former)
●NSns.mainnameserver.com2015-07-21 → 2026-04-30 · 2 obs
● 2026-04-30 01:14:22
●NSns2.mainnameserver.com2015-07-21 → 2026-04-30 · 2 obs
● 2026-04-30 01:14:22
●MXmail.firstsourceuk.com2015-07-21 → 2026-04-30 · 2 obs
● 2026-04-30 01:14:22
●A46.236.8.1192015-07-21 → 2026-04-30 · 2 obs
● 2026-04-30 01:14:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net... | - |
| firstsourceuk.com | ns.mainnameserver.com, ns2.mainnameserver.com | 2 records |
✅ Authoritative Response
Server:79.170.43.3
NS records: ns.mainnameserver.com, ns2.mainnameserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for firstsourceuk.com (unsigned zone)
⏱️ Timing
Total: 380ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.236.8.119 |
| NS | 2 | ns.mainnameserver.com, ns2.mainnameserver.com |
| MX | 1 | mail.firstsourceuk.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
firstsourceuk.com is the parent of mail.firstsourceuk.com and com.firstsourceuk.com.
IP Addresses
firstsourceuk.com resolves to a single IP: 46.236.8.119.
Other host names share IP numbers with firstsourceuk.com; for instance jigsaw-commercial.com.
Name Servers
firstsourceuk.com has two name servers: ns2.mainnameserver.com and ns.mainnameserver.com.
firstsourceuk.com shares the same name server setup as other domains, for example antoinedodson.net, edglinert.com, copiertown.com, mspwebservice.com and whist.org.uk.
firstsourceuk.com shares some name servers with other domains, for example valensoleinventories.com, scfabrications.co.uk, fluid-digital.com, inter-uk.com and nwmail.co.uk.
These name servers are often used together with ns1.mainnameserver.com, ns2.heartinternet.co.uk and ns.heartinternet.co.uk.
Host names with a single IP:
ns2.mainnameserver.com points to 79.170.43.3
ns.mainnameserver.com points to 79.170.40.2
Mail Servers
firstsourceuk.com is handled by a single mail server, mail.firstsourceuk.com.
firstsourceuk.com shares the same mail server setup as other domains, for instance com.firstsourceuk.com and mainnameserver.com.firstsourceuk.com.
Host name mail.firstsourceuk.com points to IP 79.170.44.159.