koapo.cz - robtex.com
koapo.cz
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=1785014242 | ||||||
Subdomains
ns1.koapo.cz |
Same first word
Similar names
DNS History
13 records (9 active, 4 former)
●NSns1.ignum.com2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
○NSns1.koapo.cz2015-08-04 → 2016-03-07 · 4 obs
● 2016-03-07 22:12:04
○ 2026-07-04 01:05:54
○ 2026-07-25 21:36:16
●NSns1.webglobe.cz2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
●NSns2.ignum.cz2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
○NSns2.koapo.cz2015-08-04 → 2016-03-07 · 4 obs
● 2016-03-07 22:12:04
○ 2026-07-04 01:05:54
○ 2026-07-25 21:36:16
●NSns2.webglobe.cz2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
●NSns3.webglobe.com2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
●MXemail.webglobe.cz2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
●MXemail2.webglobe.cz2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
●MXemail3.webglobe.cz2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
●MXemail4.webglobe.cz2026-07-04 → 2026-07-25 · 3 obs
● 2026-07-04 01:05:54
● 2026-07-25 21:36:16
○MXmail.koapo.cz2015-08-04 → 2016-03-07 · 4 obs
● 2016-03-07 22:12:04
○ 2026-07-04 01:05:54
○ 2026-07-25 21:36:16
○A217.170.96.42015-08-04 → 2016-03-07 · 4 obs
● 2016-03-07 22:12:04
○ 2026-07-04 01:05:54
○ 2026-07-25 21:36:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| koapo.cz | ns1.webglobe.cz, ns2.webglobe.cz, ns3.webglobe.com | 4 records |
✅ Authoritative Response
Server:217.31.48.201
NS records: ns1.webglobe.cz, ns2.webglobe.cz, ns3.webglobe.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koapo.cz (unsigned zone)
⏱️ Timing
Total: 1276ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.ignum.com, ns2.ignum.cz |
| MX | 4 | email4.webglobe.cz (pri: 10), email3.webglobe.cz (pri: 10)... |
| TXT | 1 | v=spf1 include:_spf.webglobe.com a mx ip |
| SOA | 1 | ns1.ignum.com postmaster.koapo.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.webglobe.cz, ns1.webglobe.cz, ns2.webglobe.cz...)
Analysis
Hierarchy
koapo.cz serves as the parent of ns1.koapo.cz.
Name Servers
koapo.cz delegates to five name servers: ns1.ignum.com, ns3.webglobe.com, ns2.ignum.cz and two others.
koapo.cz has at least partial name server overlap with other domains, such as scottcup.cz, spamid.info, vagwerk.cz and two others.
ns1.webglobe.cz, ns2.webglobe.cz and ns.skok.cz — plus 6 other name servers — are commonly paired with these name servers.
Host names that have two IP addresses:
The A records for ns1.ignum.com return 185.65.223.35 and 2a00:1e40:a:53::5.
The A records for ns3.webglobe.com return 178.62.60.201 and 2a03:b0c0:1:d0::1090:2001.
The A records for ns2.ignum.cz return 217.31.48.201 and 2001:1ab0:7e1e:2::5.
The A records for ns1.webglobe.cz return 185.65.223.35 and 2a00:1e40:a:53::5.
The A records for ns2.webglobe.cz return 217.31.48.201 and 2001:1ab0:7e1e:2::5.
ns1.ignum.com and ns1.webglobe.cz each have 2a00:1e40:a:53::5 IP addresses.
ns1.ignum.com and ns1.webglobe.cz each have 185.65.223.35 IP addresses.
ns2.ignum.cz and ns2.webglobe.cz each have 2001:1ab0:7e1e:2::5 IP addresses.
ns2.ignum.cz and ns2.webglobe.cz each have 217.31.48.201 IP addresses.
Mail Servers
Four mail servers handle email for koapo.cz: email2.webglobe.cz, email3.webglobe.cz, email4.webglobe.cz and email.webglobe.cz.
There is at least a partial MX overlap between koapo.cz and other domains, including ybo.cz, hlinikoveleseniveze.cz, letnikinokamenice.cz and two others.
Host names that have two IP addresses:
The A records for email3.webglobe.cz return 185.102.21.80 and 2001:880:0:15::2b1.
The A records for email.webglobe.cz return 130.193.14.154 and 2001:1ab0:7e1f:1::1:5.
Host names that point to one IP address:
email2.webglobe.cz resolves to the IP address 130.193.14.154.
email4.webglobe.cz resolves to the IP address 185.102.21.80.
email3.webglobe.cz and email4.webglobe.cz each have 185.102.21.80 IP addresses.
email.webglobe.cz and email2.webglobe.cz each have 130.193.14.154 IP addresses.