hdev.cz - dns.ninja

hdev.cz

DNSSEC⚠️ Not signed
A2a03:b0c0:3:d0::1299:b001πŸ‡©πŸ‡ͺ DIGITALOCEAN2a03:b0c0:3::/48 DigitalOcean
A161.35.64.192πŸ‡©πŸ‡ͺ DIGITALOCEAN161.35.64.0/20 DigitalOcean
NSns1.digitalocean.com ⭐
A2606:4700:52::ac40:34d2πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210πŸ‡ΊπŸ‡Έ Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21πŸ‡ΊπŸ‡Έ Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209πŸ‡ΊπŸ‡Έ Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
MXf127028c6d25f7c9.mx1.emailprofi.seznam.cz ⭐
A2a02:598:2::1056πŸ‡¨πŸ‡Ώ SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx1.emailprofi.seznam.cz
A77.75.77.56πŸ‡¨πŸ‡Ώ SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx1.emailprofi.seznam.cz
TXTMS=ms95421673
TXTv=spf1 a mx include:_spf.mailersend.net include:spf.seznam.cz ~all
SOAns1.digitalocean.comhostmaster@hdev.cz serial=0

cz

DNSSECπŸ”’ Signed (DS record present)
NSa.ns.nic.cz ⭐
NSb.ns.nic.cz
NSc.ns.nic.cz
NSd.ns.nic.cz
SOAa.ns.nic.czhostmaster@nic.cz serial=1782598637

Same first word

Similar names

DNS History

6 records (6 active, 0 former)

NSns1.digitalocean.comns2.digitalocean.comns3.digitalocean.comMXf127028c6d25f7c9.mx1.emailprofi.seznam.czA161.35.64.1922a03:b0c0:3:d0::1299:b001
●NSns1.digitalocean.com2026-05-18 β†’ 2026-06-27 Β· 2 obs
● 2026-05-18 12:07:42
● 2026-06-27 23:08:52
●NSns2.digitalocean.com2026-05-18 β†’ 2026-06-27 Β· 2 obs
● 2026-05-18 12:07:42
● 2026-06-27 23:08:52
●NSns3.digitalocean.com2026-05-18 β†’ 2026-06-27 Β· 2 obs
● 2026-05-18 12:07:42
● 2026-06-27 23:08:52
●MXf127028c6d25f7c9.mx1.emailprofi.seznam.cz2026-05-18 β†’ 2026-06-27 Β· 2 obs
● 2026-05-18 12:07:42
● 2026-06-27 23:08:52
●A161.35.64.1922026-05-18 β†’ 2026-06-27 Β· 2 obs
● 2026-05-18 12:07:42
● 2026-06-27 23:08:52
●A2a03:b0c0:3:d0::1299:b0012026-05-18 β†’ 2026-06-27 Β· 2 obs
● 2026-05-18 12:07:42
● 2026-06-27 23:08:52

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz-
hdev.czns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com-

βœ… Authoritative Response

Server:172.64.49.209

NS records: ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hdev.cz (unsigned zone)

⏱️ Timing

Total: 828ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1161.35.64.192
AAAA12a03:b0c0:3:d0::1299:b001
NS3ns2.digitalocean.com, ns1.digitalocean.com...
MX2f127028c6d25f7c9.mx1.emailprofi.seznam.c, f127028c6d25f7c9.mx1.emailprofi.seznam.c
TXT2v=spf1 a mx include:_spf.mailersend.net , MS=ms95421673
SOA1ns1.digitalocean.com hostmaster.hdev.cz

Analysis

IP Addresses

hdev.cz directs to two IP numbers, 161.35.64.192 and 2a03:b0c0:3:d0::1299:b001

Host names such as ecr.cz and fajnflek.cz share IP numbers with hdev.cz.

Name Servers

DNS for hdev.cz is handled by three authoritative name servers: ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

hdev.cz shares at least some of its name servers with other domains, including cirugiasincicatrices.com, econopure.com, tdo.es and two others.

Three hostnames β€” ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com β€” each have two IP addresses: ns1.digitalocean.com has 172.64.52.210 and 2606:4700:52::ac40:34d2, ns2.digitalocean.com has 172.64.53.21 and 2606:4700:5a::ac40:3515, and ns3.digitalocean.com has 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

The sole mail server for hdev.cz is f127028c6d25f7c9.mx1.emailprofi.seznam.cz.

f127028c6d25f7c9.mx1.emailprofi.seznam.cz points to two IP addresses: 77.75.77.56 and 2a02:598:2::1056.