| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.33.170.15 | 600s | 77.33.170.15.dhcp.fibianet.dk | AS44869 | FIBIA P/S | 77.33.0.0/16 | 🇩🇰 Denmark | Albertslund |
| 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 | 2026080901 |
| 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 18:43:55 | 642ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 02:23:58 | 610ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 16:34:45 | 16608ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 03:50:47 | 8393ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 01:02:49 | 532ms | 2 NS 1 A 0 MX | 🔒 Secure | View |