| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns51.gullestrupnet.dk | 82.165.189.144 | gn51.gullestrupnet.dk | AS8560 IONOS SE |
| ns52.gullestrupnet.dk | 82.165.203.134 | mail51.gullestrupnet.dk | AS8560 IONOS SE |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 4.231.248.98 | 14400s | — | AS8075 | Microsoft Corporation | 4.224.0.0/11 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 14400s | mail.bknet.dk | 82.165.203.134 | mail51.gullestrupnet.dk | AS8560 IONOS SE |
| 10 | 14400s | backupmail.gullestrupnet.dk | 82.165.203.134 | mail51.gullestrupnet.dk | AS8560 IONOS SE |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 62.61.131.6 |
| 🔶 Autoconfig | 62.61.131.6 |
| TXT Record |
|---|
| google-site-verification=Mri2y8eQ9019dSI_p1FDO5Q6RbgKqK94dptGs9AmWlM |
| v=spf1 ip4:91.196.175.182 ip4:82.165.124.183 ip4:82.165.203.134 ip4:206.189.96.176 a mx -all |
| Policy | Record (bknet.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:91.196.175.182 ip4:82.165.124.183 ip4:82.165.203.134 ip4:206.189.96.176 a mx -all |
| Policy | Record (_dmarc.bknet.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026080401 |
| Primary NS (MNAME) | ns51.gullestrupnet.dk |
| Responsible (RNAME) | hostmaster@gullestrupnet.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 16:05:43 | 1593ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-07 01:13:10 | 12130ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-08-01 20:09:53 | 8689ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-26 03:43:17 | 1410ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-23 16:53:25 | 1015ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 14:44:15 | 711ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |