usabilityzentrum.de - robtex.com

usabilityzentrum.de

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:9e58🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:528d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.82.141Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.88🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkyrie.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c26🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyrie.ns.cloudflare.com
A2803:f800:50::6ca2:c326🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkyrie.ns.cloudflare.com
A2a06:98c1:50::ac40:2326🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkyrie.ns.cloudflare.com
A108.162.195.38🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyrie.ns.cloudflare.com
A162.159.44.38Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyrie.ns.cloudflare.com
A172.64.35.38🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkyrie.ns.cloudflare.com
NSraegan.ns.cloudflare.com
A2606:4700:50::a29f:269e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraegan.ns.cloudflare.com
A2803:f800:50::6ca2:c29e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRraegan.ns.cloudflare.com
A2a06:98c1:50::ac40:229e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRraegan.ns.cloudflare.com
A108.162.194.158🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraegan.ns.cloudflare.com
A162.159.38.158Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraegan.ns.cloudflare.com
A172.64.34.158🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRraegan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.82.141, 172.67.158.88
IPv6 hints2606:4700:3033::ac43:9e58, 2606:4700:3035::6815:528d
SOAkyrie.ns.cloudflare.comdns@cloudflare.com serial=2406513971

de

DNSSEC🔒 Signed (DS record present)
NSf.nic.de ⭐
NSa.nic.de
NSl.de.net ⚠️ Not in parent delegation
NSn.de.net ⚠️ Not in parent delegation
NSs.de.net ⚠️ Not in parent delegation
NSz.nic.de
SOAf.nic.dedns-operations@denic.de serial=1785990521

Same first word

usabilityzentrum.de

DNS History

17 records (6 active, 11 former)

20162017201820192020202120222023202420252026NSkyrie.ns.cloudflare.comraegan.ns.cloudflare.comns.udagdns.dens.udagdns.netns5.kasserver.comns6.kasserver.comMXmx00.udag.demx01.udag.dew012d8d3.kasserver.comA104.21.82.141172.67.158.882606:4700:3033::ac43:9e582606:4700:3035::6815:528d2606:4700:3035::ac43:9e582606:4700:3036::6815:528d85.13.142.23689.31.143.107
●NSkyrie.ns.cloudflare.com2026-06-15 → 2026-08-06 · 3 obs
○ 2018-06-22 08:09:42
● 2026-06-15 20:08:56
● 2026-08-06 04:46:58
○NSns.udagdns.de2015-05-28 → 2015-05-28 · 3 obs
● 2015-05-28 09:47:12
○ 2015-10-27 00:01:32
○ 2026-08-06 04:46:58
○NSns.udagdns.net2015-05-28 → 2015-05-28 · 3 obs
● 2015-05-28 09:47:12
○ 2015-10-27 00:01:32
○ 2026-08-06 04:46:58
○NSns5.kasserver.com2015-10-27 → 2018-06-22 · 5 obs
○ 2015-05-28 09:47:12
● 2015-10-27 00:01:32
● 2018-06-22 08:09:42
○ 2026-06-15 20:08:56
○ 2026-08-06 04:46:58
○NSns6.kasserver.com2015-10-27 → 2018-06-22 · 5 obs
○ 2015-05-28 09:47:12
● 2015-10-27 00:01:32
● 2018-06-22 08:09:42
○ 2026-06-15 20:08:56
○ 2026-08-06 04:46:58
●NSraegan.ns.cloudflare.com2026-06-15 → 2026-08-06 · 3 obs
○ 2018-06-22 08:09:42
● 2026-06-15 20:08:56
● 2026-08-06 04:46:58
○MXmx00.udag.de2015-05-28 → 2015-05-28 · 3 obs
● 2015-05-28 09:47:12
○ 2015-10-27 00:01:32
○ 2026-08-06 04:46:58
○MXmx01.udag.de2015-05-28 → 2015-05-28 · 3 obs
● 2015-05-28 09:47:12
○ 2015-10-27 00:01:32
○ 2026-08-06 04:46:58
○MXw012d8d3.kasserver.com2015-10-27 → 2018-06-22 · 5 obs
○ 2015-05-28 09:47:12
● 2015-10-27 00:01:32
● 2018-06-22 08:09:42
○ 2026-06-15 20:08:56
○ 2026-08-06 04:46:58
●A104.21.82.1412026-06-15 → 2026-08-06 · 3 obs
○ 2018-06-22 08:09:42
● 2026-06-15 20:08:56
● 2026-08-06 04:46:58
●A172.67.158.882026-06-15 → 2026-08-06 · 3 obs
○ 2018-06-22 08:09:42
● 2026-06-15 20:08:56
● 2026-08-06 04:46:58
●A2606:4700:3033::ac43:9e582026-06-22 → 2026-08-06 · 3 obs
○ 2026-06-15 20:08:56
● 2026-06-22 03:36:30
● 2026-08-06 04:46:58
●A2606:4700:3035::6815:528d2026-06-22 → 2026-08-06 · 3 obs
○ 2026-06-15 20:08:56
● 2026-06-22 03:36:30
● 2026-08-06 04:46:58
○A2606:4700:3035::ac43:9e582026-06-15 → 2026-06-15 · 4 obs
○ 2018-06-22 08:09:42
● 2026-06-15 20:08:56
○ 2026-06-22 03:36:30
○ 2026-08-06 04:46:58
○A2606:4700:3036::6815:528d2026-06-15 → 2026-06-15 · 4 obs
○ 2018-06-22 08:09:42
● 2026-06-15 20:08:56
○ 2026-06-22 03:36:30
○ 2026-08-06 04:46:58
○A85.13.142.2362015-10-27 → 2018-06-22 · 5 obs
○ 2015-05-28 09:47:12
● 2015-10-27 00:01:32
● 2018-06-22 08:09:42
○ 2026-06-15 20:08:56
○ 2026-08-06 04:46:58
○A89.31.143.1072015-05-28 → 2015-05-28 · 3 obs
● 2015-05-28 09:47:12
○ 2015-10-27 00:01:32
○ 2026-08-06 04:46:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
usabilityzentrum.deraegan.ns.cloudflare.com, kyrie.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.38

NS records: raegan.ns.cloudflare.com, kyrie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for usabilityzentrum.de (unsigned zone)

⏱️ Timing

Total: 884ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.158.88, 104.21.82.141
AAAA22606:4700:3033::ac43:9e58, 2606:4700:3035::6815:528d
NS2kyrie.ns.cloudflare.com, raegan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kyrie.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

usabilityzentrum.de points to the four IP addresses 104.21.82.141, 172.67.158.88, 2606:4700:3033::ac43:9e58 and 2606:4700:3035::6815:528d.

Two other host names, along with promo-email.com, 024dyjc.com and coachdata.co.uk, also share IP numbers with usabilityzentrum.de.

Name Servers

Two name servers handle the delegation for usabilityzentrum.de: kyrie.ns.cloudflare.com and raegan.ns.cloudflare.com.

usabilityzentrum.de shares its NS records with other domains, for example mzos.de, inflowcare.dev, raifhack.ru and two others.

The name servers of usabilityzentrum.de overlap at least partially with those of other domains — among them liquidstreams.net, e71b0723c6561499.com, ts-bike.com and two more.

These name servers commonly appear alongside the name servers jaziel.ns.cloudflare.com and amit.ns.cloudflare.com.

DNS names with 6 IP addresses:

kyrie.ns.cloudflare.com resolves to 108.162.195.38, 162.159.44.38 and 172.64.35.38 among others, with 3 other IP addresses in total.

raegan.ns.cloudflare.com resolves to 108.162.194.158, 162.159.38.158 and 172.64.34.158 among others, with 3 other IP addresses in total.