freetrailer.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 27 October 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.19.251.5 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by freetrailer-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 81.19.251.5 | 3600s | — | AS47292 | Sentia Denmark A/S | 81.19.248.0/22 | 🇩🇰 Denmark | Rødovre Municipality |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| anthropic-domain-verification-8ak05t=uhHf4KnNz6m8wqnz7q1szA2TA |
| apple-domain-verification=NnKA8s7ix208dgp1 |
| facebook-domain-verification=gti6nyr5sxtzzafoavyoyc06bppppj |
| MS=ms73225375 |
| v=spf1 ip4:86.58.253.21 ip4:86.58.253.22 ip4:86.58.253.23 ip4:62.116.194.242 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:_smtpcluster.jay.net include:spf.dixa.io include:sendgrid.net include:spf.zuzana.ai -all |
| Policy | Record (freetrailer.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:86.58.253.21 ip4:86.58.253.22 ip4:86.58.253.23 ip4:62.116.194.242 include:spf.protection.outlook.com include:spf.mandrillapp.com include:servers.mcsv.net include:_smtpcluster.jay.net include:spf.dixa.io include:sendgrid.net include:spf.zuzana.ai -all |
| www | 81.19.251.5 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
| s1 | s1.domainkey.u28095896.wl147.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u28095896.wl147.sendgrid.net | 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: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026102001 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-10-27 |
| Expires | 2027-10-31 (373d) |
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 |
|---|---|---|---|
| 2026-10-21 02:06:49 shown | 1643ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 19:21:57 | 1070ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 05:31:24 | 7063ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 13:35:37 | 1902ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:32:34 | 993ms | 2 NS 1 A 1 MX | 🔒 Secure |