| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns-c.duelhost.dk | 142.132.130.246 | cde2.duelhost.dk | AS24940 Hetzner Online GmbH |
| dns-d.duelhost.dk | 195.201.247.4 | dns-d.duelhost.dk | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 142.132.130.246 | 3600s | cde2.duelhost.dk | AS24940 | Hetzner Online GmbH | 142.132.128.0/17 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.gravko-til-boern.dk | 142.132.130.246 | cde2.duelhost.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 a mx include:relay.mailchannels.net -all |
| Policy | Record (gravko-til-boern.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:relay.mailchannels.net -all |
| Policy | Record (_dmarc.gravko-til-boern.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=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 | 2025101705 |
| Primary NS (MNAME) | dns-c.duelhost.dk |
| Responsible (RNAME) | hostmaster@gravko-til-boern.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 20:09:14 | 642ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-24 08:21:10 | 2662ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-19 23:31:16 | 2772ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-17 19:32:33 | 1713ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-16 18:43:50 | 2385ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-15 08:51:56 | 4173ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-13 20:50:48 | 3131ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-07 05:46:16 | 8805ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-02 21:44:15 | 1496ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-01 20:05:02 | 1217ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-26 00:05:13 | 8840ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-23 22:09:49 | 1033ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-20 17:20:49 | 8918ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-14 23:35:56 | 8604ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-13 08:18:48 | 9611ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-05 18:13:11 | 9165ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-28 23:56:55 | 669ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-27 16:34:58 | 820ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 10:04:06 | 8949ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |