`assessmentworks.de`

DNSSEC	⚠️ Not signed
A	88.99.168.121^{🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC}
		PTR	`static.121.168.99.88.clients.your-server.de`
NS	`quincy.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c27^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c327^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`quincy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2327^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`quincy.ns.cloudflare.com`
		A	108.162.195.39^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	162.159.44.39^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
		A	172.64.35.39^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quincy.ns.cloudflare.com`
NS	`selah.ns.cloudflare.com`
		A	2606:4700:50::a29f:2615^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`selah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c215^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`selah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2215^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`selah.ns.cloudflare.com`
		A	108.162.194.21^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`selah.ns.cloudflare.com`
		A	162.159.38.21^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`selah.ns.cloudflare.com`
		A	172.64.34.21^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`selah.ns.cloudflare.com`
TXT	`google-site-verification=R6k4rOIsw0AsbhOWQIyiHqvgY7CXKHQX1GT5KErlwJU`
TXT	`v=spf1 -all`
SOA	`quincy.ns.cloudflare.com`dns@cloudflare.com serial=2410195801

`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=1785938020

Subdomains

mail.assessmentworks.de

Same first word

assessmentworks.com

assessmentworks.de

DNS History

14 records (3 active, 11 former)

○NSns1.domainers.de2015-06-03 → 2016-04-22 · 4 obs

● 2015-06-03 23:50:30
● 2016-04-22 20:39:34
○ 2017-02-14 12:05:10
○ 2026-08-05 14:27:06

○NSns1.hans.hosteurope.de2017-02-14 → 2019-04-07 · 5 obs

○ 2016-04-22 20:39:34
● 2017-02-14 12:05:10
● 2019-04-07 11:50:20
○ 2026-03-03 10:58:24
○ 2026-08-05 14:27:06

○NSns2.domainers.de2015-06-03 → 2016-04-22 · 4 obs

● 2015-06-03 23:50:30
● 2016-04-22 20:39:34
○ 2017-02-14 12:05:10
○ 2026-08-05 14:27:06

○NSns2.hans.hosteurope.de2017-02-14 → 2019-04-07 · 5 obs

○ 2016-04-22 20:39:34
● 2017-02-14 12:05:10
● 2019-04-07 11:50:20
○ 2026-03-03 10:58:24
○ 2026-08-05 14:27:06

○NSns3.domainers.de2015-06-03 → 2016-04-22 · 4 obs

● 2015-06-03 23:50:30
● 2016-04-22 20:39:34
○ 2017-02-14 12:05:10
○ 2026-08-05 14:27:06

○NSns59.domaincontrol.com2026-03-03 → 2026-03-03 · 4 obs

○ 2019-04-07 11:50:20
● 2026-03-03 10:58:24
○ 2026-07-22 20:14:38
○ 2026-08-05 14:27:06

○NSns60.domaincontrol.com2026-03-03 → 2026-03-03 · 4 obs

○ 2019-04-07 11:50:20
● 2026-03-03 10:58:24
○ 2026-07-22 20:14:38
○ 2026-08-05 14:27:06

●NSquincy.ns.cloudflare.com2026-07-22 → 2026-08-05 · 3 obs

○ 2026-03-03 10:58:24
● 2026-07-22 20:14:38
● 2026-08-05 14:27:06

●NSselah.ns.cloudflare.com2026-07-22 → 2026-08-05 · 3 obs

○ 2026-03-03 10:58:24
● 2026-07-22 20:14:38
● 2026-08-05 14:27:06

○MXmail.assessmentworks.de2017-02-14 → 2019-04-07 · 5 obs

○ 2016-04-22 20:39:34
● 2017-02-14 12:05:10
● 2019-04-07 11:50:20
○ 2026-07-22 20:14:38
○ 2026-08-05 14:27:06

○MXsmtp.hri24.com2015-06-03 → 2016-04-22 · 4 obs

● 2015-06-03 23:50:30
● 2016-04-22 20:39:34
○ 2017-02-14 12:05:10
○ 2026-08-05 14:27:06

○A37.61.207.842019-04-07 → 2019-04-07 · 4 obs

○ 2017-02-14 12:05:10
● 2019-04-07 11:50:20
○ 2026-03-03 10:58:24
○ 2026-08-05 14:27:06

●A88.99.168.1212026-03-03 → 2026-08-05 · 3 obs

○ 2019-04-07 11:50:20
● 2026-03-03 10:58:24
● 2026-08-05 14:27:06

○A92.51.181.2442015-06-03 → 2017-02-14 · 4 obs

● 2015-06-03 23:50:30
● 2017-02-14 12:05:10
○ 2019-04-07 11:50:20
○ 2026-08-05 14:27:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
assessmentworks.de	selah.ns.cloudflare.com, quincy.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.39

NS records: selah.ns.cloudflare.com, quincy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for assessmentworks.de (unsigned zone)

⏱️ Timing

Total: 890ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.99.168.121`
NS	2	`quincy.ns.cloudflare.com, selah.ns.cloudflare.com`
TXT	2	`google-site-verification=R6k4rOIsw0AsbhO, v=spf1 -all`
SOA	1	`quincy.ns.cloudflare.com dns.cloudflare.`

Analysis

Hierarchy

The domain mail.assessmentworks.de falls under the parent assessmentworks.de.

IP Addresses

assessmentworks.de resolves to just one IP address, 88.99.168.121.

Other host names, such as static.121.168.99.88.clients.your-server.de, share IP numbers with assessmentworks.de.

Name Servers

assessmentworks.de is delegated to two name servers: quincy.ns.cloudflare.com and selah.ns.cloudflare.com.

assessmentworks.de shares its NS records with other domains, for example infinite-hosting.com, mrtravel.com.ph, marwell.net and two others.

At least some of assessmentworks.de's name servers are shared with other domains, for example onecasinobelgique.com, holigan-bet-giris63.icu, mormoraia.pro and two more.

These name servers tend to be deployed in combination with the name servers eva.ns.cloudflare.com and hadlee.ns.cloudflare.com.

DNS names with 6 IP addresses:

quincy.ns.cloudflare.com resolves to 108.162.195.39, 162.159.44.39, 172.64.35.39 and 3 other IP addresses.

selah.ns.cloudflare.com resolves to 108.162.194.21, 162.159.38.21, 172.64.34.21 and 3 other IP addresses.

assessmentworks.de - robtex.com