`mail.sierslev.com`

	DNSSEC	⚠️ Not signed
	A	2a02:2350:5:10e:aa:7e19:9cf0:a75c^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
	A	46.30.215.21^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}

`sierslev.com`

	DNSSEC	⚠️ Not signed
	A	2a02:2350:5:10e:aa:7e19:9cf0:a75c^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
	A	46.30.215.21^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
	NS	`ns01.one.com` ⭐
	NS	`ns02.one.com`
	MX	`mx1.pub.mailpod4-cph3.one.com` ⭐
	MX	`mx2.pub.mailpod4-cph3.one.com` ⭐
	MX	`mx3.pub.mailpod4-cph3.one.com` ⭐
	SOA	`ns01.one.com`hostmaster@one.com 2026-03-18 #4

Same first word

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DNS History

3 records (2 active, 1 former)

●A2a02:2350:5:10e:aa:7e19:9cf0:a75c2026-03-28 → 2026-03-28 · 3 obs

○ 2016-09-13 14:17:48
● 2026-03-28 15:40:56
● 2026-03-28 15:40:58

○A46.30.212.92015-05-09 → 2016-09-13 · 4 obs

● 2015-05-09 08:43:24
● 2016-09-13 14:17:48
○ 2026-03-28 15:40:56
○ 2026-03-28 15:40:58

●A46.30.215.212026-03-28 → 2026-03-28 · 3 obs

○ 2016-09-13 14:17:48
● 2026-03-28 15:40:56
● 2026-03-28 15:40:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sierslev.com	ns01.one.com, ns02.one.com	4 records

✅ 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: 326ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.215.21`
AAAA	1	`2a02:2350:5:10e:aa:7e19:9cf0:a75c`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns01.one.com, ns01.one.com, ns02.one.com...)

Analysis

IP Addresses

The entity mail.sierslev.com points to two IP numbers: 2a02:2350:5:10e:aa:7e19:9cf0:a75c and 46.30.215.21.

For instance, other host names mail.tobasys.de, lollia.se, purplestrangers.nl, sethilaw.co.uk and suzumuchi.com share IP numbers with mail.sierslev.com.

mail.sierslev.com - robtex.com