`michael-dufner.de`

DNSSEC	⚠️ Not signed
A	2a01:4f8:11a:1e00:105::233^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
		PTR	`s7.tcrserver.de`
A	162.55.147.233^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
NS	`ns0.tcrserver.net` ⭐
		A	2a01:4f8:c010:15cc::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns0.tcrserver.net`
		A	116.203.254.145^{🇩🇪 Hetzner116.203.0.0/16 HETZNER-DC}
			PTR	`ns0.tcrserver.net`
NS	`ns1.tcrserver.net`
		A	2a01:4f8:c2c:e224::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`ns1.tcrserver.net`
		A	159.69.207.37^{🇩🇪 Hetzner159.69.0.0/16 HETZNER-DC}
			PTR	`ns1.tcrserver.net`
NS	`ns2.tcrserver.net`
		A	2001:41d0:701:1100::51b1^{🇩🇪 OVH2001:41d0::/32 IPv6}
			PTR	`ns2.tcrserver.net`
		A	135.125.206.108^{🇫🇷 OVH135.125.128.0/17}
			PTR	`ns2.tcrserver.net`
NS	`ns3.tcrserver.net`
		A	2a01:4ff:f0:c1b5::1^{🇺🇸 HETZNER-CLOUD2-AS2a01:4ff::/40 HETZNER-IPv6-BLK}
			PTR	`ns3.tcrserver.net`
		A	5.161.226.185^{🇺🇸 HETZNER-CLOUD2-AS5.161.226.0/24}
			PTR	`ns3.tcrserver.net`
MX	`mx01.tcrserver.de` ⭐
		A	2a01:4f8:11a:1e00:105::242^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mx01.tcrserver.de`
		A	162.55.147.242^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
			PTR	`mx01.tcrserver.de`
MX	`mx02.tcrserver.de` ⭐
		A	2a01:4f8:11a:1e00:105::243^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`mx02.tcrserver.de`
		A	162.55.147.243^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
			PTR	`mx02.tcrserver.de`
TXT	`v=spf1 a mx include:_spf.tcrserver.de ~all`
SOA	`ns0.tcrserver.net`dns@tcrserver.de 2019-08-29 #52

`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=1774831713

Same first word

michael-dufner.de

Similar names

michael-freund.de

DNS History

20 records (8 active, 12 former)

○NSns0.tcrserver.de2017-01-28 → 2019-04-23 · 5 obs

○ 2016-05-06 17:45:38
● 2017-01-28 19:55:52
● 2019-04-23 23:40:24
○ 2026-03-27 06:44:22
○ 2026-03-30 01:09:54

●NSns0.tcrserver.net2026-03-27 → 2026-03-30 · 3 obs

○ 2019-04-23 23:40:24
● 2026-03-27 06:44:22
● 2026-03-30 01:09:54

○NSns1.tcrserver.com2017-01-28 → 2019-04-23 · 5 obs

○ 2016-05-06 17:45:38
● 2017-01-28 19:55:52
● 2019-04-23 23:40:24
○ 2026-03-27 06:44:22
○ 2026-03-30 01:09:54

○NSns1.tcrserver.de2015-07-08 → 2016-05-06 · 4 obs

● 2015-07-08 01:54:48
● 2016-05-06 17:45:38
○ 2017-01-28 19:55:52
○ 2026-03-30 01:09:54

●NSns1.tcrserver.net2026-03-27 → 2026-03-30 · 3 obs

○ 2019-04-23 23:40:24
● 2026-03-27 06:44:22
● 2026-03-30 01:09:54

○NSns2.tcrserver.com2017-01-28 → 2019-04-23 · 5 obs

○ 2016-05-06 17:45:38
● 2017-01-28 19:55:52
● 2019-04-23 23:40:24
○ 2026-03-27 06:44:22
○ 2026-03-30 01:09:54

○NSns2.tcrserver.de2015-07-08 → 2016-05-06 · 4 obs

● 2015-07-08 01:54:48
● 2016-05-06 17:45:38
○ 2017-01-28 19:55:52
○ 2026-03-30 01:09:54

●NSns2.tcrserver.net2026-03-27 → 2026-03-30 · 3 obs

○ 2019-04-23 23:40:24
● 2026-03-27 06:44:22
● 2026-03-30 01:09:54

○NSns3.tcrserver.com2015-07-08 → 2016-05-06 · 4 obs

● 2015-07-08 01:54:48
● 2016-05-06 17:45:38
○ 2017-01-28 19:55:52
○ 2026-03-30 01:09:54

●NSns3.tcrserver.net2026-03-27 → 2026-03-30 · 3 obs

○ 2019-04-23 23:40:24
● 2026-03-27 06:44:22
● 2026-03-30 01:09:54

○NSns4.tcrserver.com2015-07-08 → 2016-05-06 · 4 obs

● 2015-07-08 01:54:48
● 2016-05-06 17:45:38
○ 2017-01-28 19:55:52
○ 2026-03-30 01:09:54

○MXmail.michael-dufner.de2015-07-08 → 2016-05-06 · 4 obs

● 2015-07-08 01:54:48
● 2016-05-06 17:45:38
○ 2017-01-28 19:55:52
○ 2026-03-30 01:09:54

●MXmx01.tcrserver.de2026-03-27 → 2026-03-30 · 3 obs

○ 2019-04-23 23:40:24
● 2026-03-27 06:44:22
● 2026-03-30 01:09:54

●MXmx02.tcrserver.de2026-03-27 → 2026-03-30 · 3 obs

○ 2019-04-23 23:40:24
● 2026-03-27 06:44:22
● 2026-03-30 01:09:54

○MXs7.tcrserver.de2017-01-28 → 2019-04-23 · 5 obs

○ 2016-05-06 17:45:38
● 2017-01-28 19:55:52
● 2019-04-23 23:40:24
○ 2026-03-27 06:44:22
○ 2026-03-30 01:09:54

●A162.55.147.2332026-03-27 → 2026-03-30 · 3 obs

○ 2019-04-23 23:40:24
● 2026-03-27 06:44:22
● 2026-03-30 01:09:54

○A188.40.33.1992015-07-08 → 2016-05-06 · 4 obs

● 2015-07-08 01:54:48
● 2016-05-06 17:45:38
○ 2017-01-28 19:55:52
○ 2026-03-30 01:09:54

●A2a01:4f8:11a:1e00:105::2332026-03-27 → 2026-03-30 · 3 obs

○ 2019-04-23 23:40:24
● 2026-03-27 06:44:22
● 2026-03-30 01:09:54

○A2a01:4f8:162:4490::22017-01-28 → 2019-04-23 · 5 obs

○ 2016-05-06 17:45:38
● 2017-01-28 19:55:52
● 2019-04-23 23:40:24
○ 2026-03-27 06:44:22
○ 2026-03-30 01:09:54

○A5.9.108.1392017-01-28 → 2019-04-23 · 5 obs

○ 2016-05-06 17:45:38
● 2017-01-28 19:55:52
● 2019-04-23 23:40:24
○ 2026-03-27 06:44:22
○ 2026-03-30 01:09:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
michael-dufner.de	ns3.tcrserver.net, ns2.tcrserver.net, ns0.tcrserver.net, ns1.tcrserver.net	-

✅ Authoritative Response

Server:159.69.207.37

NS records: ns3.tcrserver.net, ns2.tcrserver.net, ns0.tcrserver.net, ns1.tcrserver.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for michael-dufner.de (unsigned zone)

⏱️ Timing

Total: 1592ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`162.55.147.233`
AAAA	1	`2a01:4f8:11a:1e00:105::233`
NS	4	`ns1.tcrserver.net, ns2.tcrserver.net...`
MX	2	`mx02.tcrserver.de (pri: 10), mx01.tcrserver.de (pri: 10)`
TXT	1	`v=spf1 a mx include:_spf.tcrserver.de ~a`
SOA	1	`ns0.tcrserver.net dns.tcrserver.de`

Analysis

IP Addresses

michael-dufner.de resolves to two IP numbers: 2a01:4f8:11a:1e00:105::233 and 162.55.147.233.

Other host names, for instance pyfo.de, vetter-steuerungstechnik.de, weberheusser-yarns.com, ostfrieslandwohnung.de and pythonforum.de share IP numbers with michael-dufner.de.

Name Servers

michael-dufner.de's delegation is handled by four name servers: ns0.tcrserver.net, ns1.tcrserver.net, ns2.tcrserver.net and ns3.tcrserver.net.

michael-dufner.de partially shares name servers with other domains; examples include freiemodels.de, pyfo.de, kehl-senftenberg.de, vetter-steuerungstechnik.de and print-life.de.

Host names with two IPs:

ns0.tcrserver.net points to 2a01:4f8:c010:15cc::1 and 116.203.254.145

ns1.tcrserver.net points to 2a01:4f8:c2c:e224::1 and 159.69.207.37

ns2.tcrserver.net points to 2001:41d0:701:1100::51b1 and 135.125.206.108

ns3.tcrserver.net points to 2a01:4ff:f0:c1b5::1 and 5.161.226.185

Mail Servers

michael-dufner.de is handled by two mail servers: mx01.tcrserver.de and mx02.tcrserver.de.

michael-dufner.de has the same mail server setup as other domains, including freiemodels.de, pyfo.de, kehl-senftenberg.de, vetter-steuerungstechnik.de and ostfrieslandwohnung.de.

michael-dufner.de shares at least partially some mail servers with other domains, for instance print-life.de and jens-arnold.de.

These mail servers are often used with the mail servers mail1.tcrserver.de.

Host names with two IP numbers:

mx01.tcrserver.de points to: 2a01:4f8:11a:1e00:105::242 and 162.55.147.242

mx02.tcrserver.de points to: 2a01:4f8:11a:1e00:105::243 and 162.55.147.243

michael-dufner.de - robtex.com