| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.104.5.138 | 43200s | 87.104.5.138.static.fibianet.dk | AS44869 | FIBIA P/S | 87.104.0.0/18 | 🇩🇰 Denmark | Skælskør |
| 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 | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 11:03:57 | 620ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 01:13:58 | 2770ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 05:58:53 | 2512ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 06:05:19 | 646ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 08:52:49 | 818ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 02:01:54 | 919ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 23:23:22 | 557ms | 2 NS 1 A 0 MX | 🔒 Secure | View |