smtp.kolger.com - robtex.com
smtp.kolger.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.172.39.21🇪🇸 AS15704213.172.32.0/19 | ||||||
kolger.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.172.39.21🇪🇸 AS15704213.172.32.0/19 | ||||||
| NS | ns1.kolger.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | ns1.servytec.es ⚠️ Not in zone NS records | ||||||
| NS | ns2.kolger.com ⚠️ Not in parent delegation | ||||||
| NS | ns2.servytec.es ⚠️ Not in zone NS records | ||||||
| NS | ns3.kolger.com ⚠️ Not in parent delegation | ||||||
| NS | ns3.servytec.es ⚠️ Not in zone NS records | ||||||
| NS | ns4.kolger.com ⚠️ Not in parent delegation | ||||||
| NS | ns4.servytec.es ⚠️ Not in zone NS records | ||||||
| NS | ns5.kolger.com ⚠️ Not in parent delegation | ||||||
| MX | imap.kolger.com ⭐ | ||||||
| MX | mail.kolger.com ⭐ | ||||||
| MX | smtp.kolger.com ⭐ | ||||||
| TXT | v=spf1 ip4:213.172.39.16/28 ip4:217.172.77.96/27 ip6:2a11:1f40::/29 -all | ||||||
| SOA | ns1.kolger.comhostmaster@servytec.es 2025-06-19 #1 | ||||||
MX for
Same first word
Similar names
DNS History
1 record (1 active, 0 former)
●A213.172.39.212015-06-01 → 2026-05-11 · 2 obs
● 2015-06-01 04:52:42
● 2026-05-11 00:27:32
● 2026-05-11 00:27:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kolger.com | ns1.servytec.es, ns2.servytec.es, ns3.servytec.es, ns4.servytec.es | - |
✅ Authoritative Response
Server:213.172.39.18
NS records: ns1.servytec.es, ns2.servytec.es, ns3.servytec.es, ns4.servytec.es
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kolger.com (unsigned zone)
⏱️ Timing
Total: 475ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.172.39.21 |
Analysis
Mail Server Role
smtp.kolger.com functions as a mail server for kolger.com.
imap.kolger.com and mail.kolger.com are commonly used mail servers along with smtp.kolger.com.
IP Addresses
smtp.kolger.com points to IP number: 213.172.39.21.
Other host names such as imap.mudanzas-madrid.es, mail.mudanzas-madrid.es, imap.kungfuspain.es, mail.wtspain.es and mail.kungfugratis.com share IPs with smtp.kolger.com.