`mail.underground-server.com`

DNSSEC	⚠️ Not signed
A	144.91.105.12^{🇩🇪 CONTABO144.91.104.0/23}
		PTR	`smtp.jentekco.com`

`underground-server.com`

	DNSSEC	⚠️ Not signed
	A	46.182.20.214^{🇩🇪 NBISERV-AS46.182.20.0/24}
	NS	`a.domnic24.eu` ⭐
	NS	`b.domnic24.eu`
	NS	`c.domnic24.eu`
	NS	`d.domnic24.eu`
	MX	`mail.underground-server.com` ⭐
	SOA	`a.domnic24.eu`hostmaster@partnergate.com 2023-08-15 #1

MX for

underground-server.com

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DNS History

1 record (1 active, 0 former)

●A144.91.105.122026-03-06 → 2026-04-26 · 2 obs

● 2026-03-06 08:22:44
● 2026-04-26 23:01:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net, d.gtld-servers.net...	-
underground-server.com	a.domnic24.eu, b.domnic24.eu, c.domnic24.eu, d.domnic24.eu	-

✅ Authoritative Response

Server:144.76.91.137

NS records: a.domnic24.eu, b.domnic24.eu, c.domnic24.eu, d.domnic24.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for underground-server.com (unsigned zone)

⏱️ Timing

Total: 942ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`144.91.105.12`

Analysis

Mail Server Role

mail.underground-server.com serves as the mail server for underground-server.com.

IP Addresses

mail.underground-server.com points to an IP address: 144.91.105.12.

Other host names, such as dnic.eu, opensourcerules.com and mail.opensourcerules.com, share IP numbers with mail.underground-server.com.

mail.underground-server.com - robtex.com