mailin2.congressedu.com - robtex.com
mailin2.congressedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:7🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| PTR | m1-u5-mx.websupport.sk | ||||||
| A | 45.13.137.9🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
congressedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a00:4b40:aaaa:2004::7🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| A | 37.9.175.155🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| NS | ns1.websupport.sk ⭐ | ||||||
| NS | ns2.websupport.sk | ||||||
| NS | ns3.websupport.sk | ||||||
| MX | mailin1.congressedu.com ⭐ | ||||||
| MX | mailin2.congressedu.com(100) | ||||||
| TXT | v=spf1 a mx include:_spf.m1.websupport.sk ?all | ||||||
| TXT | spf2.0/pra a mx include:_sid.m1.websupport.sk ?all | ||||||
| SOA | ns1.websupport.skadmin@websupport.sk serial=1669719079 | ||||||
MX for
DNS History
2 records (2 active, 0 former)
●A2a00:4b40:aaaa:2101:45:13:137:72026-04-05 → 2026-05-10 · 2 obs
● 2026-04-05 01:20:36
● 2026-05-10 16:36:38
● 2026-05-10 16:36:38
●A45.13.137.92026-04-05 → 2026-05-10 · 2 obs
● 2026-04-05 01:20:36
● 2026-05-10 16:36:38
● 2026-05-10 16:36:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net... | - |
| congressedu.com | ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk | - |
✅ Authoritative Response
Server:45.10.97.13
NS records: ns1.websupport.sk, ns2.websupport.sk, ns3.websupport.sk
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for congressedu.com (unsigned zone)
⏱️ Timing
Total: 212ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.13.137.9 |
| AAAA | 1 | 2a00:4b40:aaaa:2101:45:13:137:7 |
Analysis
Mail Server Role
mailin2.congressedu.com functions as a mail server for congressedu.com.
mailin1.congressedu.com often serves as a mail server in conjunction with mailin2.congressedu.com.
IP Addresses
mailin2.congressedu.com points to two IP numbers: 2a00:4b40:aaaa:2101:45:13:137:7 and 45.13.137.9.
Other host names such as mailin2.ahataxi.sk, mailin2.umyvanie-okien.sk, mailin2.khnabytok.sk, mailin2.jslgroup.sk and mailin2.berkovi.cz share IPs with mailin2.congressedu.com.