`mailserver.rosgaard.net`

DNSSEC	⚠️ Not signed
A	159.69.83.239^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
		PTR	`mail.onlineservices.dk`

`rosgaard.net`

	DNSSEC	🔒 Signed (DS record present)
	A	87.56.56.56^{🇩🇰 TDC87.56.32.0/19}
	NS	`ns01.one.com` ⭐
	NS	`ns02.one.com`
	MX	`mail.onlineservices.dk` ⭐
	TXT	`google-site-verification=3aqFV59eS8DaM9kDB8Zni6ylZVrMoU622hQieU4nTCg`
	TXT	`v=spf1 mx a:mail.onlineservices.dk a:mxbackup.onlineservices.dk -all`
	SOA	`ns01.one.com`hostmaster@one.com 2026-03-24 #1

Previously MX for

rosgaard.net

Same first word

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Similar names

DNS History

2 records (1 active, 1 former)

●A159.69.83.2392026-03-27 → 2026-03-27 · 2 obs

○ 2016-10-20 16:44:38
● 2026-03-27 02:33:28

○A89.249.11.32015-08-23 → 2016-10-20 · 3 obs

● 2015-08-23 16:21:32
● 2016-10-20 16:44:38
○ 2026-03-27 02:33:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	h.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
rosgaard.net	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:185.10.11.10

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 506ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`159.69.83.239`

Analysis

IP Addresses

mailserver.rosgaard.net points to a single IP: 159.69.83.239.

Other host names such as kudsk.nu and mail.onlineservices.dk share IP numbers with mailserver.rosgaard.net.

mailserver.rosgaard.net - robtex.com