`contractguard.de`

DNSSEC	⚠️ Not signed
A	2001:8d8:100f:f000::200^{🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910}
		PTR	`2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com`
A	217.160.0.1^{🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3}
NS	`docks18.rzone.de` ⭐
		A	2001:8d8:fe:53:5747:2a74:d:18^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`docks18.rzone.de`
		A	217.160.80.145^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`docks18.rzone.de`
NS	`shades16.rzone.de`
		A	2607:f1c0:fe:53:185:132:34:143^{🇺🇸 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	`shades16.rzone.de`
		A	185.132.34.143^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`shades16.rzone.de`
MX	`smtpin.rzone.de` ⭐
		A	2a01:238:20a:202:50f0::1097^{🇩🇪 STRATO2a01:238:20a::/48 Strato AG}
		A	81.169.145.97^{🇩🇪 STRATO81.169.144.0/22 AG}
			PTR	`smtpin.rzone.de`
SOA	`docks18.rzone.de`hostmaster@strato-rz.de 2026-06-30 #14

`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=1784354689

Subdomains

mail.contractguard.de

Same first word

contractguard.com

contractguard.de

DNS History

17 records (5 active, 12 former)

●NSdocks18.rzone.de2026-07-09 → 2026-07-18 · 3 obs

○ 2026-05-10 05:10:46
● 2026-07-09 12:02:06
● 2026-07-18 06:31:54

○NShelium.ns.hetzner.de2026-02-20 → 2026-05-10 · 5 obs

○ 2020-01-12 18:38:28
● 2026-02-20 17:27:12
● 2026-05-10 05:10:46
○ 2026-07-09 12:02:06
○ 2026-07-18 06:31:54

○NShydrogen.ns.hetzner.com2026-02-20 → 2026-05-10 · 5 obs

○ 2020-01-12 18:38:28
● 2026-02-20 17:27:12
● 2026-05-10 05:10:46
○ 2026-07-09 12:02:06
○ 2026-07-18 06:31:54

○NSns1.first-ns.de2017-02-13 → 2020-01-12 · 5 obs

○ 2016-05-01 09:46:22
● 2017-02-13 05:49:08
● 2020-01-12 18:38:28
○ 2026-02-20 17:27:12
○ 2026-07-18 06:31:54

○NSns1.sedoparking.com2015-06-23 → 2016-05-01 · 4 obs

● 2015-06-23 16:23:46
● 2016-05-01 09:46:22
○ 2017-02-13 05:49:08
○ 2026-07-18 06:31:54

○NSns2.sedoparking.com2015-06-23 → 2016-05-01 · 4 obs

● 2015-06-23 16:23:46
● 2016-05-01 09:46:22
○ 2017-02-13 05:49:08
○ 2026-07-18 06:31:54

○NSoxygen.ns.hetzner.com2026-02-20 → 2026-05-10 · 5 obs

○ 2020-01-12 18:38:28
● 2026-02-20 17:27:12
● 2026-05-10 05:10:46
○ 2026-07-09 12:02:06
○ 2026-07-18 06:31:54

○NSrobotns2.second-ns.de2017-02-13 → 2020-01-12 · 5 obs

○ 2016-05-01 09:46:22
● 2017-02-13 05:49:08
● 2020-01-12 18:38:28
○ 2026-02-20 17:27:12
○ 2026-07-18 06:31:54

○NSrobotns3.second-ns.com2017-02-13 → 2020-01-12 · 5 obs

○ 2016-05-01 09:46:22
● 2017-02-13 05:49:08
● 2020-01-12 18:38:28
○ 2026-02-20 17:27:12
○ 2026-07-18 06:31:54

●NSshades16.rzone.de2026-07-09 → 2026-07-18 · 3 obs

○ 2026-05-10 05:10:46
● 2026-07-09 12:02:06
● 2026-07-18 06:31:54

○MXmail.contractguard.de2017-02-13 → 2026-02-20 · 5 obs

○ 2016-05-01 09:46:22
● 2017-02-13 05:49:08
● 2026-02-20 17:27:12
○ 2026-05-10 05:10:46
○ 2026-07-18 06:31:54

○MXmail.nickstel.com2015-06-23 → 2016-05-01 · 4 obs

● 2015-06-23 16:23:46
● 2016-05-01 09:46:22
○ 2017-02-13 05:49:08
○ 2026-07-18 06:31:54

●MXsmtpin.rzone.de2026-07-09 → 2026-07-18 · 3 obs

○ 2026-05-10 05:10:46
● 2026-07-09 12:02:06
● 2026-07-18 06:31:54

○A138.201.208.2522017-02-13 → 2020-01-12 · 5 obs

○ 2016-05-01 09:46:22
● 2017-02-13 05:49:08
● 2020-01-12 18:38:28
○ 2026-02-20 17:27:12
○ 2026-07-18 06:31:54

●A2001:8d8:100f:f000::2002026-07-09 → 2026-07-18 · 3 obs

○ 2026-02-20 17:27:12
● 2026-07-09 12:02:06
● 2026-07-18 06:31:54

●A217.160.0.12026-07-09 → 2026-07-18 · 3 obs

○ 2026-02-20 17:27:12
● 2026-07-09 12:02:06
● 2026-07-18 06:31:54

○A72.52.4.912015-06-23 → 2016-05-01 · 4 obs

● 2015-06-23 16:23:46
● 2016-05-01 09:46:22
○ 2017-02-13 05:49:08
○ 2026-07-18 06:31:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
contractguard.de	shades16.rzone.de, docks18.rzone.de	-

✅ Authoritative Response

Server:185.132.34.143

NS records: shades16.rzone.de, docks18.rzone.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractguard.de (unsigned zone)

⏱️ Timing

Total: 947ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.160.0.1`
AAAA	1	`2001:8d8:100f:f000::200`
NS	2	`shades16.rzone.de, docks18.rzone.de`
MX	1	`smtpin.rzone.de (pri: 5)`
SOA	1	`docks18.rzone.de hostmaster.strato-rz.de`

Analysis

Hierarchy

contractguard.de serves as the parent of mail.contractguard.de.

IP Addresses

contractguard.de resolves to the IP addresses 217.160.0.1 and 2001:8d8:100f:f000::200

Among the host names that share IP numbers with contractguard.de are deesiree.com, kratom.academy, tramesl.es and two others.

Name Servers

contractguard.de is served by two delegated name servers, docks18.rzone.de and shades16.rzone.de.

contractguard.de has the same name server delegation as a number of other domains, such as wrebbit.de, sterilitaet.de, singnotrettung.com and two more.

contractguard.de has at least partial name server overlap with other domains, such as al-osman.de, autohaus-jesinger.eu, hagl-online.de and two others.

docks07.rzone.de, docks01.rzone.de and shades12.rzone.de — plus 7 other name servers — are commonly paired with these name servers.

Each of the two host names carries two IP addresses: docks18.rzone.de points to 217.160.80.145 and 2001:8d8:fe:53:5747:2a74:d:18, and shades16.rzone.de points to 185.132.34.143 and 2607:f1c0:fe:53:185:132:34:143.

Mail Servers

contractguard.de routes its mail through a single mail server, smtpin.rzone.de.

contractguard.de has the same mail server arrangement as a number of other domains, for example proklient.info, portalmallorca.de, mail.data-agriculture.com and two more.

smtpin.rzone.de has two IP addresses: 81.169.145.97 and 2a01:238:20a:202:50f0::1097.

contractguard.de - robtex.com