| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.57.105.175 | 3600s | 87-57-105-175-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.57.0.0/16 | 🇩🇰 Denmark | Hobro |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.57.105.175 |
| 🔶 Autoconfig | 87.57.105.175 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com -all |
| Policy | Record (bøfhus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081601 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 07:43:47 | 594ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 02:08:58 | 24593ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 07:31:24 | 752ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 13:47:50 | 664ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 10:14:27 | 633ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-21 06:09:17 | 508ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 00:03:46 | 765ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 09:23:20 | 337ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-16 18:35:53 | 482ms | 2 NS 1 A 0 MX | 🔒 Secure | View |