helsingorbilhus.dk is a .dk domain served by 4 nameservers (ns1-38.azure-dns.com, ns2-38.azure-dns.net, ns3-38.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.221.253.104 is hosted by Unit IT Services ApS (AS42876) in Denmark. Mail is handled by helsingorbilhus-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 77.221.253.104 | 360s | — | AS42876 | Unit IT Services ApS | 77.221.224.0/19 | 🇩🇰 Denmark | Taastrup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| 🔶 Autoconfig | 77.221.253.104 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com include:_spf.keyloop.io -all |
| Policy | Record (helsingorbilhus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.keyloop.io -all |
| www | 77.221.253.104 (AS42876) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u2003615.wl116.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u2003615.wl116.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-helsingorbilhus-dk._domainkey.mtholdingdk.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: 6/10 · 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 | 1 |
| Primary NS (MNAME) | ns1-38.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 14:59:15 shown | 770ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 10:21:10 | 1151ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 08:45:18 | 3396ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 23:10:47 | 670ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:08:57 | 2526ms | 4 NS 1 A 1 MX | 🔓 Insecure |