kochman.dev - dns.ninja

kochman.dev

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

Similar names

DNS History

6 records (6 active, 0 former)

NSns1.websupport.czns2.websupport.czns3.websupport.euMXb410caa80e0c95a6.mx1.emailprofi.seznam.czb410caa80e0c95a6.mx2.emailprofi.seznam.czA20.50.2.66
NSns1.websupport.cz2026-03-28 → 2026-06-28 · 2 obs
● 2026-03-28 00:02:16
● 2026-06-28 08:30:44
NSns2.websupport.cz2026-03-28 → 2026-06-28 · 2 obs
● 2026-03-28 00:02:16
● 2026-06-28 08:30:44
NSns3.websupport.eu2026-03-28 → 2026-06-28 · 2 obs
● 2026-03-28 00:02:16
● 2026-06-28 08:30:44
MXb410caa80e0c95a6.mx1.emailprofi.seznam.cz2026-03-28 → 2026-06-28 · 2 obs
● 2026-03-28 00:02:16
● 2026-06-28 08:30:44
MXb410caa80e0c95a6.mx2.emailprofi.seznam.cz2026-03-28 → 2026-06-28 · 2 obs
● 2026-03-28 00:02:16
● 2026-06-28 08:30:44
A20.50.2.662026-03-28 → 2026-06-28 · 2 obs
● 2026-03-28 00:02:16
● 2026-06-28 08:30:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
kochman.devns1.websupport.cz, ns3.websupport.eu, ns2.websupport.cz-

✅ Authoritative Response

Server:185.71.159.12

NS records: ns1.websupport.cz, ns3.websupport.eu, ns2.websupport.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 508ms | Queries: -

📄 Records

TypeCountSample Data
A120.50.2.66
NS3ns1.websupport.cz, ns2.websupport.cz...
MX2b410caa80e0c95a6.mx2.emailprofi.seznam.c, b410caa80e0c95a6.mx1.emailprofi.seznam.c
TXT2"v=spf1 include:spf.seznam.cz ~all", kochmanmartin210831.azurewebsites.net
SOA1ns1.websupport.cz admin.websupport.cz

Analysis

IP Addresses

kochman.dev has exactly one IP address — 20.50.2.66.

eno.nl, tokyopicturesnewtab.com, pmt.nl plus two other host names have IP numbers in common with kochman.dev.

Name Servers

The authoritative name servers for kochman.dev are ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu — three in total.

The name servers of kochman.dev overlap at least partially with those of other domains — among them komaki.cz, it-computers.cz, goldratt.cz and two more.

The name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk are commonly seen alongside these name servers.

ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu all resolve to exactly two IP numbers apiece: ns1.websupport.cz45.10.97.11 and 2a10:bbc0::11; ns2.websupport.cz185.71.159.12 and 2a02:250:3::12; ns3.websupport.eu45.10.97.13 and 2a10:bbc0::13.

Mail Servers

kochman.dev uses two mail servers, b410caa80e0c95a6.mx1.emailprofi.seznam.cz and b410caa80e0c95a6.mx2.emailprofi.seznam.cz.

The two host names b410caa80e0c95a6.mx1.emailprofi.seznam.cz and b410caa80e0c95a6.mx2.emailprofi.seznam.cz each have a pair of IP addresses: b410caa80e0c95a6.mx1.emailprofi.seznam.cz has 77.75.77.56 and 2a02:598:2::1056, and b410caa80e0c95a6.mx2.emailprofi.seznam.cz has 77.75.77.146 and 2a02:598:2::1146.