| 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.irk.dk | 142.132.130.246 | cde2.duelhost.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| google-site-verification=eSExcw6C5rrSAORHSmsaJduQfP6EJVt1QEDZdrHW9JA |
| v=spf1 a mx include:relay.mailchannels.net -all |
| Policy | Record (irk.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:relay.mailchannels.net -all |
| Policy | Record (_dmarc.irk.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 | 2026072403 |
| Primary NS (MNAME) | dns-c.duelhost.dk |
| Responsible (RNAME) | hostmaster@irk.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 11:00:30 | 1413ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 00:40:24 | 9019ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 11:39:19 | 904ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 22:26:27 | 1127ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 16:05:26 | 2551ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |