hdev.cz - robtex.com

hdev.cz

DNSSEC⚠️ Not signed
A2a03:b0c0:3:d0::1299:b001🇩🇪 DIGITALOCEAN2a03:b0c0:3::/48 DigitalOcean
A161.35.64.192🇩🇪 DIGITALOCEAN161.35.64.0/20 DigitalOcean
NSns1.digitalocean.com
A2606:4700:52::ac40:34d2🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
A172.64.52.210🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns1.digitalocean.com
NSns2.digitalocean.com
A2606:4700:5a::ac40:3515🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
A172.64.53.21🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns2.digitalocean.com
NSns3.digitalocean.com
A2606:4700:52::ac40:31d1🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRns3.digitalocean.com
A172.64.49.209🇺🇸 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::1056🇨🇿 SEZNAM-CZ2a02:598:2::/48
PTRwildcard.mx1.emailprofi.seznam.cz
A77.75.77.56🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III
PTRwildcard.mx1.emailprofi.seznam.cz
TXTv=spf1 a mx include:_spf.mailersend.net include:spf.seznam.cz ~all
TXTMS=ms95421673
SOAns1.digitalocean.comhostmaster@hdev.cz serial=0

cz

DNSSEC🔒 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=1786625245

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 → 2026-08-13 · 2 obs
● 2026-05-18 12:07:42
● 2026-08-13 13:24:54
NSns2.digitalocean.com2026-05-18 → 2026-08-13 · 2 obs
● 2026-05-18 12:07:42
● 2026-08-13 13:24:54
NSns3.digitalocean.com2026-05-18 → 2026-08-13 · 2 obs
● 2026-05-18 12:07:42
● 2026-08-13 13:24:54
MXf127028c6d25f7c9.mx1.emailprofi.seznam.cz2026-05-18 → 2026-08-13 · 2 obs
● 2026-05-18 12:07:42
● 2026-08-13 13:24:54
A161.35.64.1922026-05-18 → 2026-08-13 · 2 obs
● 2026-05-18 12:07:42
● 2026-08-13 13:24:54
A2a03:b0c0:3:d0::1299:b0012026-05-18 → 2026-08-13 · 2 obs
● 2026-05-18 12:07:42
● 2026-08-13 13:24:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
czd.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz-
hdev.czns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com-

✅ Authoritative Response

Server:172.64.52.210

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hdev.cz (unsigned zone)

⏱️ Timing

Total: 1386ms | Queries: -

📄 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 resolves to the IP addresses 161.35.64.192 and 2a03:b0c0:3:d0::1299:b001

Additional host names — including ecr.cz and fajnflek.cz — share IP numbers with hdev.cz.

Name Servers

hdev.cz has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

hdev.cz has at least partial name server overlap with other domains, such as cirugiasincicatrices.com, econopure.com, tdo.es and two others.

Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

Mail for hdev.cz is handled by a single mail server, f127028c6d25f7c9.mx1.emailprofi.seznam.cz.

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