| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.103.139.167 | 43200s | 5.103.139.167.static.fibianet.dk | AS44869 | FIBIA P/S | 5.103.0.0/16 | 🇩🇰 Denmark | Frederiksberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 13:46:55 | 472ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-27 13:51:17 | 832ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 15:24:57 | 400ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-16 19:29:04 | 4918ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 17:17:35 | 557ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 14:29:47 | 911ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 09:01:31 | 534ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 12:57:34 | 480ms | 2 NS 1 A 0 MX | 🔒 Secure | View |