derkowski.dev - dns.ninja

🛡️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=2412642405

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

kedrowski.de
kedrowski.net
kedrowski.com

Previous names

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derekchasse.dev
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derix.dev

Next names

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derr.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 → 2026-08-20 · 2 obs
● 2026-08-18 21:07:12
● 2026-08-20 00:40:44
●NSdonovan.ns.cloudflare.com2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 21:07:12
● 2026-08-20 00:40:44
●MXmx3.mail.ovh.net2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 21:07:12
● 2026-08-20 00:40:44
●MXmx4.mail.ovh.net2026-08-18 → 2026-08-20 · 2 obs
● 2026-08-18 21:07:12
● 2026-08-20 00:40:44

🔍 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:172.64.34.135

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: 756ms | 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

derkowski.dev uses two name servers for its delegation: cecelia.ns.cloudflare.com and donovan.ns.cloudflare.com.

derkowski.dev shares its name server setup with other domains, including cvukknqodzvscj.workers.dev, glamheart.co, cloudflare-saas-starter-with-claude.pages.dev and two others.

The name servers of derkowski.dev overlap at least partially with those of other domains — among them baiwuliaolai.top, komiktoon.pro, coinspace.uk and two more.

These name servers commonly co-occur with the name servers samara.ns.cloudflare.com, fred.ns.cloudflare.com, rihana.ns.cloudflare.com and ignat.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname cecelia.ns.cloudflare.com directs to 108.162.194.135, 162.159.38.135 and 172.64.34.135 along with 3 other IP addresses.

Hostname donovan.ns.cloudflare.com directs to 108.162.195.114, 162.159.44.114 and 172.64.35.114 along with 3 other IP addresses.

Mail Servers

derkowski.dev has two mail servers: mx3.mail.ovh.net and mx4.mail.ovh.net.

derkowski.dev shares the same mail server setup as other domains, including ppappliancessolution.com, www.adamceladin.com, ip-198-244-215.eu and two others.

derkowski.dev shares mail servers — at least in part — with other domains, including fortbildung-verwaltung.de, juleocreations.fr, domeczek.org and two others.

The mail servers mx1.mail.ovh.net, mx2.mail.ovh.net and mx0.mail.ovh.net are commonly used alongside these mail servers.

Both mx3.mail.ovh.net and mx4.mail.ovh.net have a single IP address each — mx3.mail.ovh.net resolves to 91.121.53.175 while mx4.mail.ovh.net resolves to 178.32.124.207.