jbirkebaek.dk is a .dk domain served by 3 nameservers (dns1.rackhosting.com, dns2.rackhosting.com, dns3.rackhosting.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.78.2 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by mail.jbirkebaek.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.247.78.2 | 86400s | vps189.rackhosting.com | AS31590 | Rackhosting.com ApS | 77.247.64.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.jbirkebaek.dk | 77.247.78.2 | vps189.rackhosting.com | AS31590 Rackhosting.com ApS |
| TXT Record |
|---|
| v=spf1 mx ip4:77.247.73.192/26 a:jbirkebaek.dk -all |
| Policy | Record (jbirkebaek.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:77.247.73.192/26 a:jbirkebaek.dk -all |
| www CNAME | jbirkebaek.dk (all on jbirkebaek.dk) → 77.247.78.2 (AS31590) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| 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 | 2021032601 |
| Primary NS (MNAME) | dns1.rackhosting.com |
| Responsible (RNAME) | kontakt@certa-web.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 10800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 04:23:30 shown | 464ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 12:25:19 | 581ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 07:20:53 | 3397ms | 3 NS 1 A 1 MX | 🔓 Insecure |