marcussen-son.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 29 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.107.251 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx.spamfilter.io. The zone is not DNSSEC-signed, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.107.251 | 3600s | linux39.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.marcussen-son.dk → 95.154.17.183 |
| TXT Record |
|---|
| google-site-verification=zNaZr5iP_1zRNO7IlHPxOY2sKfMF0jWLkUYDfQ4vBag |
| v=spf1 ip4:95.154.17.183/32 ip4:94.231.104.176/32 include:spf.protection.outlook.com -all |
| Policy | Record (marcussen-son.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:95.154.17.183/32 ip4:94.231.104.176/32 include:spf.protection.outlook.com -all |
| www | 94.231.107.251 (AS48854) (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 |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.spamfilter.io | DANE-EE · SPKI · SHA-256 | 9A25F05F2E322DABDCC9B7A06AB47A2D… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025051503 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 1999-03-29 |
| Expires | 2027-03-31 (159d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-24 15:45:13 | 539ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 19:00:13 shown | 825ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 23:52:41 | 1367ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 07:06:13 | 644ms | 2 NS 1 A 1 MX | 🔓 Insecure |