| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.239.241.113 | 43200s | 89.239.241.113.dhcp.fibianet.dk | AS44869 | FIBIA P/S | 89.239.192.0/18 | 🇩🇰 Denmark | Copenhagen |
| 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 | 2026080801 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 22:58:52 | 615ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 01:36:25 | 2303ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 19:58:59 | 586ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 13:19:24 | 606ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 02:13:49 | 534ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 22:34:11 | 1715ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 16:53:27 | 587ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 00:39:04 | 546ms | 2 NS 1 A 0 MX | 🔒 Secure | View |