| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns-a.duelhost.dk | 138.201.61.68 | cde3.duelhost.dk | AS24940 Hetzner Online GmbH |
| dns-b.duelhost.dk | 195.201.247.10 | dns-b.duelhost.dk | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 138.201.61.68 | 3600s | cde3.duelhost.dk | AS24940 | Hetzner Online GmbH | 138.201.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.laeringstaarn.dk | 138.201.61.68 | cde3.duelhost.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 a mx include:relay.mailchannels.net -all |
| Policy | Record (laeringstaarn.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:relay.mailchannels.net -all |
| Policy | Record (_dmarc.laeringstaarn.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 | 2026071503 |
| Primary NS (MNAME) | dns-a.duelhost.dk |
| Responsible (RNAME) | hostmaster@laeringstaarn.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 18:28:22 | 9559ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 14:28:46 | 801ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-16 22:18:43 | 9547ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-04 17:32:51 | 1793ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 07:03:59 | 2599ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |