`seifert-services.de`

DNSSEC	🔒 Signed (DS record present)
A	2a02:2350:5:10b:80de:a48:9316:c41c^{🇩🇰 ONECOM2a02:2350::/32 One.com A/S}
A	46.30.213.123^{🇩🇰 ONECOM46.30.208.0/21 One.com A/S}
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`mx1.pub.mailpod6-cph3.one.com` ⭐
		A	185.164.14.70^{🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S}
			PTR	`mx1.pub.mailpod6-cph3.one.com`
MX	`mx2.pub.mailpod6-cph3.one.com` ⭐
		A	185.164.14.71^{🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S}
			PTR	`mx2.pub.mailpod6-cph3.one.com`
MX	`mx3.pub.mailpod6-cph3.one.com` ⭐
		A	185.164.14.72^{🇩🇰 ONECOM185.164.12.0/22 Onecom.A/S}
			PTR	`mx3.pub.mailpod6-cph3.one.com`
SOA	`ns01.one.com`hostmaster@one.com 2026-06-21 #4

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1785103857

Subdomains

mx0.seifert-services.de

DNS History

13 records (7 active, 6 former)

●NSns01.one.com2016-06-24 → 2026-07-26 · 2 obs

● 2016-06-24 07:52:44
● 2026-07-26 22:37:04

●NSns02.one.com2016-06-24 → 2026-07-26 · 2 obs

● 2016-06-24 07:52:44
● 2026-07-26 22:37:04

○NSns03.one.com2016-06-24 → 2019-01-11 · 3 obs

● 2016-06-24 07:52:44
● 2019-01-11 09:50:26
○ 2026-07-26 22:37:04

●MXmx1.pub.mailpod6-cph3.one.com2019-01-11 → 2026-07-26 · 3 obs

○ 2017-02-06 19:18:00
● 2019-01-11 09:50:26
● 2026-07-26 22:37:04

●MXmx2.pub.mailpod6-cph3.one.com2019-01-11 → 2026-07-26 · 3 obs

○ 2017-02-06 19:18:00
● 2019-01-11 09:50:26
● 2026-07-26 22:37:04

●MXmx3.pub.mailpod6-cph3.one.com2019-01-11 → 2026-07-26 · 3 obs

○ 2017-02-06 19:18:00
● 2019-01-11 09:50:26
● 2026-07-26 22:37:04

○MXmxcluster1.one.com2016-06-24 → 2017-02-06 · 4 obs

● 2016-06-24 07:52:44
● 2017-02-06 19:18:00
○ 2019-01-11 09:50:26
○ 2026-07-26 22:37:04

○MXmxcluster2.one.com2016-06-24 → 2017-02-06 · 4 obs

● 2016-06-24 07:52:44
● 2017-02-06 19:18:00
○ 2019-01-11 09:50:26
○ 2026-07-26 22:37:04

○A2a02:2350:5:101:5040:0:de0a:48932019-01-11 → 2019-01-11 · 3 obs

○ 2017-02-06 19:18:00
● 2019-01-11 09:50:26
○ 2026-07-26 22:37:04

●A2a02:2350:5:10b:80de:a48:9316:c41c2026-07-26 → 2026-07-26 · 2 obs

○ 2019-01-11 09:50:26
● 2026-07-26 22:37:04

●A46.30.213.1232026-07-26 → 2026-07-26 · 2 obs

○ 2019-01-11 09:50:26
● 2026-07-26 22:37:04

○A46.30.213.1272016-06-24 → 2017-02-06 · 4 obs

● 2016-06-24 07:52:44
● 2017-02-06 19:18:00
○ 2019-01-11 09:50:26
○ 2026-07-26 22:37:04

○A46.30.213.652019-01-11 → 2019-01-11 · 3 obs

○ 2017-02-06 19:18:00
● 2019-01-11 09:50:26
○ 2026-07-26 22:37:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
seifert-services.de	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: 970ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.30.213.123`
AAAA	1	`2a02:2350:5:10b:80de:a48:9316:c41c`
NS	2	`ns02.one.com, ns01.one.com`
MX	3	`mx1.pub.mailpod6-cph3.one.com (pri: 10), mx2.pub.mailpod6-cph3.one.com (pri: 10)...`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

Hierarchy

seifert-services.de is a parent domain of mx0.seifert-services.de.

IP Addresses

seifert-services.de resolves to the IP addresses 46.30.213.123 and 2a02:2350:5:10b:80de:a48:9316:c41c

Additional host names — randloev-maskin.dk, equity-holding.com, blhs.org.uk and two others — share IP numbers with seifert-services.de.

Name Servers

seifert-services.de uses two name servers for its delegation: ns01.one.com and ns02.one.com.

seifert-services.de shares its name server setup with other domains, including weeklymashup.com, amcleaning.org, osterloh.se and two others.

The two host names ns01.one.com and ns02.one.com each have a pair of IP addresses: ns01.one.com has 195.206.121.10 and 2001:67c:28cc::10, and ns02.one.com has 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

seifert-services.de is handled by three mail servers: mx1.pub.mailpod6-cph3.one.com, mx2.pub.mailpod6-cph3.one.com and mx3.pub.mailpod6-cph3.one.com.

seifert-services.de shares mail servers — at least in part — with other domains, including grappasociety.se, pecazo.com, kusa.se and two others.

The hostnames mx1.pub.mailpod6-cph3.one.com, mx2.pub.mailpod6-cph3.one.com and mx3.pub.mailpod6-cph3.one.com each resolve to a single IP: mx1.pub.mailpod6-cph3.one.com → 185.164.14.70, mx2.pub.mailpod6-cph3.one.com → 185.164.14.71, mx3.pub.mailpod6-cph3.one.com → 185.164.14.72.

seifert-services.de - robtex.com