postgres.cz - dns.ninja

postgres.cz

DNSSEC🔒 Signed (DS record present)
A89.221.217.226🇨🇿 WEDOS89.221.208.0/20 Internet, a.s.
PTRmail.cspug.cz
NSns1.ignum.com
A2a00:1e40:a:53::5🇸🇰 IGNUM-AS2a00:1e40:a::/48
PTRns1-bra.core.webglobe.com
A185.65.223.35🇸🇰 IGNUM-AS185.65.223.0/24
PTRns1-bra.core.webglobe.com
NSns2.ignum.cz
A2001:1ab0:7e1e:2::5🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
A217.31.48.201🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/
PTRns2-prg.core.webglobe.com
SOAns1.ignum.comhostmaster@ignum.cz 2026-07-22 #1

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=1784864839

Same first word

Similar names

DNS History

4 records (3 active, 1 former)

20162017201820192020202120222023202420252026NSns1.ignum.comns2.ignum.czA89.221.217.22631.31.77.75
NSns1.ignum.com2015-05-31 → 2026-07-24 · 2 obs
● 2015-05-31 03:34:36
● 2026-07-24 05:07:00
NSns2.ignum.cz2015-05-31 → 2026-07-24 · 2 obs
● 2015-05-31 03:34:36
● 2026-07-24 05:07:00
A31.31.77.752015-05-31 → 2017-03-29 · 4 obs
● 2015-05-31 03:34:36
● 2017-03-29 01:16:08
○ 2026-02-25 23:08:12
○ 2026-07-24 05:07:00
A89.221.217.2262026-02-25 → 2026-07-24 · 3 obs
○ 2017-03-29 01:16:08
● 2026-02-25 23:08:12
● 2026-07-24 05:07:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cza.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz-
postgres.czns1.ignum.com, ns2.ignum.cz2 records

✅ Authoritative Response

Server:217.31.48.201

NS records: ns1.ignum.com, ns2.ignum.cz

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 2557ms | Queries: -

📄 Records

TypeCountSample Data
A189.221.217.226
NS2ns1.ignum.com, ns2.ignum.cz
SOA1ns1.ignum.com hostmaster.ignum.cz

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)

Analysis

IP Addresses

postgres.cz points to a single IP number: 89.221.217.226.

Additional host names — cspug.cz, cspug.sk, mail.cspug.cz and two others — share IP numbers with postgres.cz.

Name Servers

DNS delegation for postgres.cz points to two name servers: ns1.ignum.com and ns2.ignum.cz.

postgres.cz shares its name server setup with other domains, including mesicduster.cz, qsa.cz, vino.cz and two others.

The name servers of postgres.cz overlap at least partially with those of other domains — among them zemnipraceohrobec.cz, klimaprofi.cz, my-map.cz and two more.

The name servers ns1.ignum.eu, ns2.ignum.eu and ns3.ignum.eu are commonly seen alongside these name servers.

ns1.ignum.com directs to 185.65.223.35 and 2a00:1e40:a:53::5. ns2.ignum.cz directs to 217.31.48.201 and 2001:1ab0:7e1e:2::5. Each host name carries two IP addresses.