a.mx.a20.sk - robtex.com
a.mx.a20.sk
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.0.235.44🇨🇿 CASABLANCA-AS81.0.232.0/21 Casablanca INT | ||||||
| PTR | ivanek.tojeono.cz | ||||||
mx.a20.sk
| DNSSEC | ⚠️ Not signed | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A81.0.235.442015-12-31 → 2026-04-25 · 2 obs
● 2015-12-31 21:15:46
● 2026-04-25 18:16:34
● 2026-04-25 18:16:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sk | e.tld.sk, f.tld.sk, g.tld.sk, h.tld.sk | - |
| a20.sk | ns2.webmade.cz, ns3.webmade.cz, ns1.webmade.cz | - |
✅ Authoritative Response
Server:77.78.105.17
NS records: ns2.webmade.cz, ns3.webmade.cz, ns1.webmade.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a20.sk (unsigned zone)
⏱️ Timing
Total: 1502ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.0.235.44 |
Analysis
Mail Server Role
a.mx.a20.sk serves as the mail server for a20.sk.
b.mx.a20.sk and c.mx.a20.sk are commonly used as mail servers together with a.mx.a20.sk.
IP Addresses
a.mx.a20.sk points to a single IP address: 81.0.235.44.
Other host names such as a.mx.zvedani.cz, a.mx.petrmartinek.cz, a.mx.ervideo.cz, a.mx.ermail.de and a.mx.pronas.cz share IP numbers with a.mx.a20.sk.