o2inlinecup.cz - robtex.com
o2inlinecup.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 217.31.49.88🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | muf.core.ignum.cz | ||||||
| NS | dns.iol.cz ⭐ | ||||||
| A | 2a00:1028:100:102::61🇨🇿 O2-CZECH-REPUBLIC2a00:1028::/32 O2 CZ | ||||||
| PTR | dns.iol.cz | ||||||
| A | 194.228.2.61🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | dns.iol.cz | ||||||
| NS | ns2.tel.cz | ||||||
| A | 2a00:1028:1:205::2🇨🇿 O2-CZECH-REPUBLIC2a00:1028::/32 O2 CZ | ||||||
| PTR | ns2.tel.cz | ||||||
| A | 194.228.2.1🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET | ||||||
| PTR | ns2.tel.cz | ||||||
| MX | mail8.ignum.cz ⭐ | ||||||
| A | 62.109.151.89🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| MX | mail2.ignum.cz(12) | ||||||
| A | 62.109.128.119🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/ | ||||||
| PTR | mx-lb.core.webglobe.com | ||||||
| SOA | dns.iol.czhostmaster@iol.cz 2008-04-07 #14 | ||||||
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=1777025836 | ||||||
Same first word
o2inlinecup.cz |
DNS History
5 records (5 active, 0 former)
●A217.31.49.882015-05-20 → 2026-04-24 · 2 obs
● 2026-04-24 10:51:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, c.ns.nic.cz, b.ns.nic.cz, d.ns.nic.cz | - |
| o2inlinecup.cz | dns.iol.cz, ns2.tel.cz | 4 records |
✅ Authoritative Response
Server:194.228.2.1
NS records: dns.iol.cz, ns2.tel.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for o2inlinecup.cz (unsigned zone)
⏱️ Timing
Total: 949ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.31.49.88 |
| NS | 2 | ns2.tel.cz, dns.iol.cz |
| MX | 2 | mail2.ignum.cz (pri: 12), mail8.ignum.cz (pri: 11) |
| SOA | 1 | dns.iol.cz hostmaster.iol.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (dns.iol.cz, dns.iol.cz, ns2.tel.cz...)
Analysis
IP Addresses
o2inlinecup.cz resolves to a single IP address: 217.31.49.88.
Other host names, for instance kolor.sk, share IP numbers with o2inlinecup.cz.
Name Servers
o2inlinecup.cz's delegation uses two name servers, dns.iol.cz and ns2.tel.cz.
o2inlinecup.cz shares the same name server setup as other domains, for example 19.183.90.in-addr.arpa, 198.161.85.in-addr.arpa, 72.176.90.in-addr.arpa, 159.101.88.in-addr.arpa and 113.179.90.in-addr.arpa.
Host names with two IPs:
dns.iol.cz points to: 2a00:1028:100:102::61 and 194.228.2.61
ns2.tel.cz points to: 2a00:1028:1:205::2 and 194.228.2.1
Mail Servers
o2inlinecup.cz is handled by two mail servers: mail2.ignum.cz and mail8.ignum.cz.
o2inlinecup.cz shares its mail server setup with other domains, including hotel-esplanade.cz, pcs-security.cz, proporta.cz, captony.cz and dezent.sk.
The mail servers for o2inlinecup.cz are shared with other domains, for instance postupka.eu, aloda.cz, remoteit.cz, rt-torax.com and orza.cz.
these mail servers are commonly used with mail12.ignum.cz, mail11.ignum.cz, mail5.ignum.cz, mail6.ignum.cz and mail3.ignum.cz.
Host names with a single IP:
mail2.ignum.cz points to 62.109.128.119.
mail8.ignum.cz points to 62.109.151.89.