blboligen.dk is a .dk domain served by 4 nameservers (ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org and 1 more). It was registered on 2 December 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.72.19.105 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by blboligen-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1-06.azure-dns.com | — | — | — |
| ns2-06.azure-dns.net | — | — | — |
| ns3-06.azure-dns.org | — | — | — |
| ns4-06.azure-dns.info | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.72.19.105 | — | — | AS3342 | Cibicom A/S | 178.72.16.0/21 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms56064955 |
| v=spf1 mx a:mail.bshus.dk include:spf.protection.outlook.com -all |
| Policy | Record (blboligen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:mail.bshus.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.blboligen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:6368f70b32b4a@dmarc.centerasecurity.com; ruf=mailto:med@bsf.dk; |
| www CNAME | blboligen.dk (all on blboligen.dk) → 178.72.19.105 (AS3342) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-blboligen-dk._domainkey.bshus.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-blboligen-dk._domainkey.bshus.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-06.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-12-02 |
| Expires | 2028-12-31 (804d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 19:12:23 | 977ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 14:06:40 | 1083ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 19:43:20 | 957ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:46:08 shown | 628ms | 4 NS 1 A 1 MX | 🔒 Secure |