`tdc-engineering.com`

DNSSEC	⚠️ Not signed
A	2a01:238:20a:202:1068::^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		PTR	`w04.rzone.de`
A	81.169.145.68^{🇩🇪 STRATO81.169.144.0/22 AG}
NS	`docks08.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:8^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks08.rzone.de`
		A	217.160.80.135^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks08.rzone.de`
NS	`shades07.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:134^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`shades07.rzone.de`
		A	185.132.34.134^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades07.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
			PTR	`smtpin.rzone.de`
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`docks08.rzone.de`hostmaster@strato-rz.de 2023-07-26 #33

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777053271

Same first word

tdc-engineering.com

DNS History

11 records (5 active, 6 former)

●NSdocks08.rzone.de2026-02-24 → 2026-04-24 · 3 obs

○ 2017-02-12 19:53:52
● 2026-02-24 06:24:50
● 2026-04-24 17:58:30

○NSns59.hostsevenplus.com2015-11-10 → 2016-04-24 · 4 obs

● 2015-11-10 06:00:52
● 2016-04-24 09:30:38
○ 2017-02-12 19:53:52
○ 2026-04-24 17:58:30

○NSns60.hostsevenplus.com2015-11-10 → 2016-04-24 · 4 obs

● 2015-11-10 06:00:52
● 2016-04-24 09:30:38
○ 2017-02-12 19:53:52
○ 2026-04-24 17:58:30

●NSshades07.rzone.de2026-02-24 → 2026-04-24 · 3 obs

○ 2017-02-12 19:53:52
● 2026-02-24 06:24:50
● 2026-04-24 17:58:30

○MXmail.tdc-engineering.com2015-11-10 → 2016-04-24 · 4 obs

● 2015-11-10 06:00:52
● 2016-04-24 09:30:38
○ 2017-02-12 19:53:52
○ 2026-04-24 17:58:30

●MXsmtpin.rzone.de2026-02-24 → 2026-04-24 · 3 obs

○ 2017-02-12 19:53:52
● 2026-02-24 06:24:50
● 2026-04-24 17:58:30

○A103.233.194.432015-11-10 → 2016-04-24 · 4 obs

● 2015-11-10 06:00:52
● 2016-04-24 09:30:38
○ 2017-02-12 19:53:52
○ 2026-04-24 17:58:30

○A2001:8d8:100f:f000::2002026-02-24 → 2026-03-28 · 4 obs

○ 2017-02-12 19:53:52
● 2026-02-24 06:24:50
● 2026-03-28 05:06:36
○ 2026-04-24 17:58:30

○A217.160.0.372026-02-24 → 2026-03-28 · 4 obs

○ 2017-02-12 19:53:52
● 2026-02-24 06:24:50
● 2026-03-28 05:06:36
○ 2026-04-24 17:58:30

●A2a01:238:20a:202:1068::2026-04-24 → 2026-04-24 · 2 obs

○ 2026-03-28 05:06:36
● 2026-04-24 17:58:30

●A81.169.145.682026-04-24 → 2026-04-24 · 2 obs

○ 2026-03-28 05:06:36
● 2026-04-24 17:58:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, l.gtld-servers.net...	-
tdc-engineering.com	shades07.rzone.de, docks08.rzone.de	-

✅ Authoritative Response

Server:217.160.80.135

NS records: shades07.rzone.de, docks08.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tdc-engineering.com (unsigned zone)

⏱️ Timing

Total: 637ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.169.145.68`
AAAA	1	`2a01:238:20a:202:1068::`
NS	2	`shades07.rzone.de, docks08.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks08.rzone.de hostmaster.strato-rz.de`

Analysis

IP Addresses

tdc-engineering.com resolves to two IP numbers: 2a01:238:20a:202:1068:: and 81.169.145.68.

other host names including zen-meditation-erlangen.de, dinus.de, cavanna.de, adteam.de and bln-lehmann.de share IP numbers with tdc-engineering.com.

Name Servers

tdc-engineering.com is delegated to two name servers docks08.rzone.de and shades07.rzone.de.

tdc-engineering.com shares the same name server setup as other domains, for instance zinbio.nl, art-of-game-development.de, hess-steuer.de, live4k.online and poeling.de.

tdc-engineering.com at least partially shares name servers with other domains, for instance saltwater.cc, vintim.com, cleversites.be, michael-popp.de and aerzteforum-eschenhof.de.

These name servers are commonly used with the following name servers: shades13.rzone.de, docks20.rzone.de, docks14.rzone.de, shades14.rzone.de, shades12.rzone.de, docks16.rzone.de, docks02.rzone.de, shades15.rzone.de, shades20.rzone.de and shades16.rzone.de.

Host names with two IP numbers:

The host name docks08.rzone.de points to 2001:8d8:fe:53:5747:2a74:d:8 and 217.160.80.135; the host name shades07.rzone.de points to 2607:f1c0:fe:53:185:132:34:134 and 185.132.34.134.

Mail Servers

tdc-engineering.com is handled by a single mail server, smtpin.rzone.de.

tdc-engineering.com shares the same mail server setup as other domains, for instance njusan.at, kwib.com, bruchtal.org, evikum.de and intewport.de.

smtpin.rzone.de resolves to two IP numbers: 2a01:238:20a:202:50f0::1097 and 81.169.145.97.

tdc-engineering.com - robtex.com