`mail.kernelguy.dk`

DNSSEC	⚠️ Not signed
A	87.104.247.29^{🇩🇰 KVIKNET-DK87.104.240.0/20}
		PTR	`87-104-247-29.static.ewii.dk`

`kernelguy.dk`

	DNSSEC	🔒 Signed (DS record present)
	A	87.104.247.29^{🇩🇰 KVIKNET-DK87.104.240.0/20}
	NS	`ns01.one.com` ⭐
	NS	`ns02.one.com`
	MX	`mail.kernelguy.dk` ⭐
	TXT	`v=spf1 mx ~all`
	SOA	`ns01.one.com`hostmaster@one.com 2026-03-20 #4

MX for

kernelguy.dk

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DNS History

3 records (1 active, 2 former)

○A128.76.135.1662016-07-10 → 2026-03-16 · 5 obs

○ 2016-03-15 19:52:28
● 2016-07-10 12:59:36
● 2026-03-16 13:43:28
○ 2026-03-29 01:03:20
○ 2026-03-29 03:57:12

●A87.104.247.292026-03-29 → 2026-03-29 · 3 obs

○ 2026-03-16 13:43:28
● 2026-03-29 01:03:20
● 2026-03-29 03:57:12

○A87.104.31.1422015-06-20 → 2016-03-15 · 4 obs

● 2015-06-20 12:32:14
● 2016-03-15 19:52:28
○ 2016-07-10 12:59:36
○ 2026-03-29 03:57:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	l.nic.dk, t.nic.dk, b.nic.dk, h.nic.dk...	-
kernelguy.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: 968ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.104.247.29`

Analysis

Mail Server Role

mail.kernelguy.dk serves as the mail server for kernelguy.dk.

IP Addresses

mail.kernelguy.dk points to a single IP address: 87.104.247.29.

Other host names, for instance kernelguy.dk, share IP numbers with mail.kernelguy.dk.

mail.kernelguy.dk - robtex.com