billigselskab.dk is a .dk domain served by 2 nameservers (christina.ns.cloudflare.com, mustafa.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.9.140 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by billigselskab-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.9.140 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.160.131 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | maildiscover.unoeuro.com → 94.231.108.222 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:a083 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:98c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.9.140,172.67.160.131 ech=AEX+DQBB6AAgACB8SigCx1P7j8Uu+cLjjDxwxzFGP8rmDVQ8BRGPwPivAgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:a083,2606:4700:3036::6815:98c |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.unoeuro.com |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| google-site-verification=n7A379cdHkbkmw_fjI_PJ9z4C33MaDTQfTb1eAPlWvw |
| v=spf1 include:mailgun.org include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com ~all |
| Policy | Record (billigselskab.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com ~all |
| www | 185.21.41.131 (AS48854) (address records, no CNAME) |
| www vs bare domain | Different networks billigselskab.dk: 104.21.9.140 172.67.160.131 2606:4700:3035::ac43:a083 2606:4700:3036::6815:98c (AS13335) (all like this)www.billigselskab.dk: 185.21.41.131 (AS48854) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 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: 8/10 · policy: ~all
| 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 | 2416028948 |
| Primary NS (MNAME) | christina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 13:57:39 shown | 1092ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 13:47:49 | 1487ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:13:03 | 1261ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-01 23:19:16 | 9156ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-28 00:20:29 | 1080ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 02:14:13 | 2203ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 14:34:05 | 726ms | 2 NS 2 A 1 MX | 🔓 Insecure |