| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.alco.dk | 46.225.229.1 | ns1.alco.dk | AS24940 Hetzner Online GmbH |
| ns2.alco.dk | 89.167.94.156 | ns2.alco.dk | AS24940 Hetzner Online GmbH |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (revisor-brandt.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.revisor-brandt.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:67e29fbb0fa28@dmarc-dk.centerasecurity.com |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025121810 |
| Primary NS (MNAME) | ns1.alco.dk |
| Responsible (RNAME) | hostmaster@alco.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 43200s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 21:28:36 | 692ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 03:01:19 | 599ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-25 11:30:19 | 732ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 19:05:49 | 668ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 22:29:33 | 499ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |