derkowski.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

derkowski.dev

DNSSEC⚠️ Not signed
NScecelia.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2687🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcecelia.ns.cloudflare.com
A2803:f800:50::6ca2:c287🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcecelia.ns.cloudflare.com
A2a06:98c1:50::ac40:2287🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcecelia.ns.cloudflare.com
A108.162.194.135🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcecelia.ns.cloudflare.com
A162.159.38.135Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcecelia.ns.cloudflare.com
A172.64.34.135🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcecelia.ns.cloudflare.com
NSdonovan.ns.cloudflare.com
A2606:4700:58::a29f:2c72🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonovan.ns.cloudflare.com
A2803:f800:50::6ca2:c372🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonovan.ns.cloudflare.com
A2a06:98c1:50::ac40:2372🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonovan.ns.cloudflare.com
A108.162.195.114🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonovan.ns.cloudflare.com
A162.159.44.114Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonovan.ns.cloudflare.com
A172.64.35.114🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonovan.ns.cloudflare.com
MXmx4.mail.ovh.net ⭐
A178.32.124.207🇫🇷 OVH178.32.0.0/15 ISP Paris, France
PTRmx4.mail.ovh.net
MXmx3.mail.ovh.net(10)
A91.121.53.175🇫🇷 OVH91.121.0.0/16 ISP Paris, France
PTRmx3.mail.ovh.net
TXT1|www.derkowski.dev
SOAcecelia.ns.cloudflare.comdns@cloudflare.com serial=2413222656

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

derkowski.dev
derkowski.de
derkowski.eu

Similar names

iworkdesk.com
kedrowski.de
kedrowski.net
kedrowski.com

Previous names

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Next names

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derlinium.dev
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derock.dev
deroll.dev
derosa.dev
derpepe.dev
derpierre65.dev
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DNS History

4 records (4 active, 0 former)

NScecelia.ns.cloudflare.comdonovan.ns.cloudflare.comMXmx3.mail.ovh.netmx4.mail.ovh.net
●NScecelia.ns.cloudflare.com2026-08-18 → 2026-08-27 · 2 obs
● 2026-08-18 21:07:12
● 2026-08-27 01:34:40
●NSdonovan.ns.cloudflare.com2026-08-18 → 2026-08-27 · 2 obs
● 2026-08-18 21:07:12
● 2026-08-27 01:34:40
●MXmx3.mail.ovh.net2026-08-18 → 2026-08-27 · 2 obs
● 2026-08-18 21:07:12
● 2026-08-27 01:34:40
●MXmx4.mail.ovh.net2026-08-18 → 2026-08-27 · 2 obs
● 2026-08-18 21:07:12
● 2026-08-27 01:34:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
derkowski.devdonovan.ns.cloudflare.com, cecelia.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.114

NS records: donovan.ns.cloudflare.com, cecelia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for derkowski.dev (unsigned zone)

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

TypeCountSample Data
NS2cecelia.ns.cloudflare.com, donovan.ns.cloudflare.com
MX2mx4.mail.ovh.net (pri: 1), mx3.mail.ovh.net (pri: 10)
TXT11|www.derkowski.dev
SOA1cecelia.ns.cloudflare.com dns.cloudflare

Analysis

Name Servers

The NS records for derkowski.dev delegate to cecelia.ns.cloudflare.com and donovan.ns.cloudflare.com.

The name server configuration of derkowski.dev is shared with other domains, for instance cvukknqodzvscj.workers.dev, liyansa.com, mariihotel.com and two others.

At least some of derkowski.dev's name servers are shared with other domains, for example stefano-miccoli.workers.dev, 24770404.cc, baiwuliaolai.top and two more.

These name servers are often deployed together with the name servers samara.ns.cloudflare.com, deb.ns.cloudflare.com, fred.ns.cloudflare.com and randall.ns.cloudflare.com.

Hosts with 6 IP addresses each:

cecelia.ns.cloudflare.com maps to 108.162.194.135, 162.159.38.135, 172.64.34.135 and 3 additional IP addresses.

donovan.ns.cloudflare.com maps to 108.162.195.114, 162.159.44.114, 172.64.35.114 and 3 additional IP addresses.

Mail Servers

derkowski.dev uses two mail servers, mx3.mail.ovh.net and mx4.mail.ovh.net.

The mail server setup of derkowski.dev matches that of other domains such as ppappliancessolution.com, www.adamceladin.com, ip-198-244-215.eu and two others.

At least some of the mail servers used by derkowski.dev are shared with other domains: fortbildung-verwaltung.de, oncocoon.be, juleocreations.fr and two others among them.

It is common to see these mail servers combined with the mail servers mx1.mail.ovh.net, mx2.mail.ovh.net and mx0.mail.ovh.net.

Each of mx3.mail.ovh.net and mx4.mail.ovh.net has one IP address: mx3.mail.ovh.net uses 91.121.53.175 and mx4.mail.ovh.net uses 178.32.124.207.