postgres.cz - dns.ninja
postgres.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 89.221.217.226🇨🇿 WEDOS89.221.208.0/20 Internet, a.s. | ||||||
| PTR | mail.cspug.cz | ||||||
| NS | ns1.ignum.com ⭐ | ||||||
| A | 2a00:1e40:a:53::5🇸🇰 IGNUM-AS2a00:1e40:a::/48 | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| A | 185.65.223.35🇸🇰 IGNUM-AS185.65.223.0/24 | ||||||
| PTR | ns1-bra.core.webglobe.com | ||||||
| NS | ns2.ignum.cz | ||||||
| A | 2001:1ab0:7e1e:2::5🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| A | 217.31.48.201🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | ns2-prg.core.webglobe.com | ||||||
| SOA | ns1.ignum.comhostmaster@ignum.cz 2026-07-22 #1 | ||||||
cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.ns.nic.cz ⭐ | ||||||
| NS | b.ns.nic.cz | ||||||
| NS | c.ns.nic.cz | ||||||
| NS | d.ns.nic.cz | ||||||
| SOA | a.ns.nic.czhostmaster@nic.cz serial=1784866641 | ||||||
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
○A31.31.77.752015-05-31 → 2017-03-29 · 4 obs
● 2017-03-29 01:16:08
○ 2026-02-25 23:08:12
○ 2026-07-24 05:29:44
●A89.221.217.2262026-02-25 → 2026-07-24 · 3 obs
● 2026-02-25 23:08:12
● 2026-07-24 05:29:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | d.ns.nic.cz, a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz | 8 records |
| postgres.cz | ns2.ignum.cz, ns1.ignum.com | 2 records |
✅ Authoritative Response
Server:185.65.223.35
NS records: ns2.ignum.cz, ns1.ignum.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1152ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 89.221.217.226 |
| NS | 2 | ns1.ignum.com, ns2.ignum.cz |
| SOA | 1 | ns1.ignum.com hostmaster.ignum.cz |
📌 Glue Records Collected
Total: 10
In-bailiwick: 8 (d.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz...)
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.