| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 81.7.148.35 | 43200s | — | AS47292 | Sentia Denmark A/S | 81.7.148.0/22 | 🇩🇰 Denmark | Kongens Lyngby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 10 | 443 | mail.primero.dk |
| TXT Record |
|---|
| v=spf1 include:_spf.primero.dk ~all |
| Policy | Record (desmaahaver.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.primero.dk ~all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026090301 |
| 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 | |
|---|---|---|---|---|
| 2026-09-04 18:50:24 | 624ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-08 11:09:44 | 1335ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-03 17:51:43 | 541ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 23:08:25 | 494ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 02:16:00 | 393ms | 2 NS 1 A 0 MX | 🔒 Secure | View |