`mail.challengesolution.com`

DNSSEC	⚠️ Not signed
A	212.67.221.133^{🇬🇧 GD-EMEA-DC-LD5212.67.221.0/24}
		PTR	`srv1.lancit.uk`

`challengesolution.com`

	DNSSEC	⚠️ Not signed
	A	212.67.221.133^{🇬🇧 GD-EMEA-DC-LD5212.67.221.0/24}
	NS	`ns2.heartinternet.uk` ⭐
	NS	`ns.heartinternet.uk`
	MX	`mail.challengesolution.com` ⭐
	TXT	`v=spf1 include:mailgun.org include:soverin.net ~all`
	TXT	`google-site-verification=mnHBVvl_DHL7fXXTt-xCw3CVRm4N5Las1OfW2s-bia8`
	SOA	`ns.heartinternet.uk`hostmaster@mainnameserver.com 2025-01-13 #69

MX for

challengesolution.com

Same first word

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DNS History

2 records (1 active, 1 former)

●A212.67.221.1332026-03-27 → 2026-03-30 · 3 obs

○ 2016-07-14 02:51:34
● 2026-03-27 10:10:40
● 2026-03-30 05:54:00

○A79.170.40.742015-08-08 → 2016-07-14 · 4 obs

● 2015-08-08 21:39:00
● 2016-07-14 02:51:34
○ 2026-03-27 10:10:40
○ 2026-03-30 05:54:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net...	-
challengesolution.com	ns2.heartinternet.uk, ns.heartinternet.uk	-

✅ Authoritative Response

Server:79.170.43.3

NS records: ns2.heartinternet.uk, ns.heartinternet.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for challengesolution.com (unsigned zone)

⏱️ Timing

Total: 410ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`212.67.221.133`

Analysis

Mail Server Role

mail.challengesolution.com serves as the mail server for challengesolution.com.

IP Addresses

mail.challengesolution.com resolves to a single IP: 212.67.221.133.

Other host names, for instance, www.challengesolution.com and challengesolution.com share IP numbers with mail.challengesolution.com.

mail.challengesolution.com - robtex.com