optimizedusability.de - robtex.com

optimizedusability.de

DNSSEC⚠️ Not signed
NScesar.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c77🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcesar.ns.cloudflare.com
A2803:f800:50::6ca2:c377🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcesar.ns.cloudflare.com
A2a06:98c1:50::ac40:2377🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcesar.ns.cloudflare.com
A108.162.195.119🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcesar.ns.cloudflare.com
A162.159.44.119Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcesar.ns.cloudflare.com
A172.64.35.119🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcesar.ns.cloudflare.com
NSjessica.ns.cloudflare.com
A2606:4700:50::adf5:3aab🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjessica.ns.cloudflare.com
A2803:f800:50::6ca2:c0ab🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjessica.ns.cloudflare.com
A2a06:98c1:50::ac40:20ab🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjessica.ns.cloudflare.com
A108.162.192.171🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjessica.ns.cloudflare.com
A172.64.32.171🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjessica.ns.cloudflare.com
A173.245.58.171🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjessica.ns.cloudflare.com
SOAcesar.ns.cloudflare.comdns@cloudflare.com serial=2406750470

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=1781722515

Subdomains

archer.optimizedusability.de

Same first word

optimizedusability.de

DNS History

2 records (2 active, 0 former)

NScesar.ns.cloudflare.comjessica.ns.cloudflare.com
●NScesar.ns.cloudflare.com2026-05-22 → 2026-06-17 · 2 obs
● 2026-05-22 14:32:10
● 2026-06-17 19:25:34
●NSjessica.ns.cloudflare.com2026-05-22 → 2026-06-17 · 2 obs
● 2026-05-22 14:32:10
● 2026-06-17 19:25:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
optimizedusability.decesar.ns.cloudflare.com, jessica.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.171

NS records: cesar.ns.cloudflare.com, jessica.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimizedusability.de (unsigned zone)

⏱️ Timing

Total: 1444ms | Queries: -

📄 Records

TypeCountSample Data
NS2cesar.ns.cloudflare.com, jessica.ns.cloudflare.com
SOA1cesar.ns.cloudflare.com dns.cloudflare.c

Analysis

Hierarchy

optimizedusability.de serves as the parent of archer.optimizedusability.de.

Name Servers

The NS records for optimizedusability.de delegate to cesar.ns.cloudflare.com and jessica.ns.cloudflare.com.

The domains barcelonaenlapiel.com, genadreamm.com, disegni.com.mx and n-search.net share a common name server delegation with optimizedusability.de.

optimizedusability.de has at least partial name server overlap with other domains, such as whitecapscientific.com, 6webs.com, movie2k.top and two others.

These name servers tend to appear together with the name servers sydney.ns.cloudflare.com, anderson.ns.cloudflare.com and meiling.ns.cloudflare.com.

Hosts with 6 IP addresses each:

cesar.ns.cloudflare.com maps to 108.162.195.119, 162.159.44.119, 172.64.35.119 and 3 additional IP addresses.

jessica.ns.cloudflare.com maps to 108.162.192.171, 172.64.32.171, 173.245.58.171 and 3 additional IP addresses.