`mail.helmstedt.dk`

DNSSEC	⚠️ Not signed
A	2a01:4f8:c0c:c0c0::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`mail.helmstedt.dk`
A	116.203.182.197^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}

`helmstedt.dk`

	DNSSEC	🔒 Signed (DS record present)
	A	2a01:4f8:c0c:c0c0::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
	A	116.203.182.197^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
	NS	`ns01.one.com` ⭐
	NS	`ns02.one.com`
	MX	`mail.helmstedt.dk` ⭐
	TXT	`v=spf1 mx ip4:116.203.182.197 ip6:2a01:4f8:c0c:c0c0::1 include:_spf.google.co...`
	SOA	`ns01.one.com`hostmaster@one.com 2026-04-12 #1

PTR for

197.182.203.116.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.c.0.c.c.0.c.0.8.f.4.0.1.0.a.2.ip6.arpa

MX for

helmstedt.dk

Same first word

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DNS History

3 records (2 active, 1 former)

●A116.203.182.1972026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-12 14:25:58
● 2026-04-19 21:50:40
● 2026-05-11 16:12:18

○A185.221.37.1392020-02-12 → 2020-02-12 · 3 obs

● 2020-02-12 14:25:58
○ 2026-04-19 21:50:40
○ 2026-05-11 16:12:18

●A2a01:4f8:c0c:c0c0::12026-04-19 → 2026-05-11 · 3 obs

○ 2020-02-12 14:25:58
● 2026-04-19 21:50:40
● 2026-05-11 16:12:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	l.nic.dk, b.nic.dk, t.nic.dk, c.nic.dk...	-
helmstedt.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: 962ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.203.182.197`
AAAA	1	`2a01:4f8:c0c:c0c0::1`

Analysis

Mail Server Role

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

IP Addresses

Two IP numbers are pointed to by mail.helmstedt.dk: 2a01:4f8:c0c:c0c0::1 and 116.203.182.197.

other host names include wallnot.dk, helmstedt.dk, wishlist.dk, mail.wishlist.dk and mail.wallnot.dk; they share IP numbers with mail.helmstedt.dk.

mail.helmstedt.dk - robtex.com