| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.23.254.118 | 3600s | 89-23-254-118.ip4.fiberby.net | AS42541 | Fiberby ApS | 89.23.224.0/19 | 🇩🇰 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 | 2026081001 |
| 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 06:58:22 | 2540ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 10:35:29 | 750ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 07:42:55 | 626ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-05 03:25:22 | 4813ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 13:15:15 | 772ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 11:02:48 | 697ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 21:15:05 | 1259ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 22:16:37 | 360ms | 2 NS 1 A 0 MX | 🔒 Secure | View |