828.dk is a .dk domain served by 2 nameservers (dns1.compusoft.dk, dns2.compusoft.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.166.12.6 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by 828-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| dns1.compusoft.dk | 80.166.12.253 80.166.12.3 |
— dns1.compusoft.dk.compusoft.dk |
AS3292 TDC Holding A/S AS3292 TDC Holding A/S |
| dns2.compusoft.dk | 80.166.12.2 | dns1.compuasp.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms29596819 |
| v=spf1 ip4:91.121.192.191 ip4:80.166.12.8 a:asmtp.compusoft.dk mx:asmtp.compusoft.dk include:spf.protection.outlook.com ~all |
| Policy | Record (828.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:91.121.192.191 ip4:80.166.12.8 a:asmtp.compusoft.dk mx:asmtp.compusoft.dk include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.828.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;sp=none;pct=100;rua=mailto:noreply@828.com |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-828-dk._domainkey.828dk.onmicrosoft.com | 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: 3/10 · 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 | 1401197231 |
| Primary NS (MNAME) | dns1.compusoft.dk |
| Responsible (RNAME) | webmaster@compusoft.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 04:17:40 | 1243ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 15:59:27 | 5037ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-25 14:13:11 | 1724ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 11:30:04 shown | 2946ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 12:36:23 | 2510ms | 2 NS 1 A 2 MX | 🔓 Insecure |