`mail.jrf.dk`

	DNSSEC	⚠️ Not signed
	A	195.249.40.25^{🇩🇰 TDC195.249.0.0/16 Tele Danmark}

`jrf.dk`

	DNSSEC	🔒 Signed (DS record present)
	A	195.47.247.18^{ONECOM195.47.247.0/24 One.com A/S}
	NS	`ns01.one.com` ⭐
	NS	`ns02.one.com`
	MX	`mx1.pub.mailpod10-cph3.one.com` ⭐
	MX	`mx2.pub.mailpod10-cph3.one.com` ⭐
	MX	`mx3.pub.mailpod10-cph3.one.com` ⭐
	MX	`mx4.pub.mailpod10-cph3.one.com` ⭐
	SOA	`ns01.one.com`hostmaster@one.com 2026-07-15 #1

Previously MX for

jrf.dk

Same first word

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DNS History

1 record (1 active, 0 former)

●A195.249.40.252015-06-29 → 2026-08-07 · 2 obs

● 2015-06-29 03:13:42
● 2026-08-07 04:26:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	s.nic.dk, c.nic.dk, h.nic.dk, b.nic.dk...	-
jrf.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 758ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.249.40.25`

Analysis

IP Addresses

mail.jrf.dk has exactly one IP address — 195.249.40.25.

mail.group-4u.com, mail.carrace.dk, mail.mentorroom.com plus two other host names have IP numbers in common with mail.jrf.dk.

mail.jrf.dk - robtex.com

mail.jrf.dk

jrf.dk