`mail.firstsourceuk.com`

DNSSEC	⚠️ Not signed
A	79.170.44.159^{🇬🇧 GD-EMEA-DC-LD579.170.40.0/21 Heart Internet Limited}
		PTR	`mail159.extendcp.co.uk`

`firstsourceuk.com`

	DNSSEC	⚠️ Not signed
	A	46.236.8.119^{🇬🇧 PULSANT-AS46.236.0.0/18}
	NS	`ns2.mainnameserver.com` ⭐
	NS	`ns.mainnameserver.com`
	MX	`mail.firstsourceuk.com` ⭐
	TXT	`v=spf1 include:soverin.net include:secureserver.net exists:%{i}.mta.spf.exten...`
	SOA	`ns.mainnameserver.com`hostmaster@mainnameserver.com 2025-01-13 #65

MX for

firstsourceuk.com

com.firstsourceuk.com

mainnameserver.com.firstsourceuk.com

Same first word

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DNS History

2 records (1 active, 1 former)

○A79.170.40.902015-08-12 → 2017-01-02 · 4 obs

● 2015-08-12 08:52:30
● 2017-01-02 16:49:30
○ 2026-02-15 17:25:00
○ 2026-04-30 21:51:22

●A79.170.44.1592026-02-15 → 2026-04-30 · 3 obs

○ 2017-01-02 16:49:30
● 2026-02-15 17:25:00
● 2026-04-30 21:51:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.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: 363ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`79.170.44.159`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.mainnameserver.com, ns2.mainnameserver.com)

Analysis

Mail Server Role

mail.firstsourceuk.com serves as a mail server for firstsourceuk.com, com.firstsourceuk.com and mainnameserver.com.firstsourceuk.com.

IP Addresses

mail.firstsourceuk.com maps to IP address 79.170.44.159.

Other host names, for instance mail.dhtfmt.com, mail.westcountrywebsitecompany.co.uk, mail.goldblockdesign.com, mail.graphicdesignsuffolk.co.uk and mail.eaglesystems.co.uk share IP numbers with mail.firstsourceuk.com.

mail.firstsourceuk.com - robtex.com