rubenml.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 23 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.startmail.com, mx2.startmail.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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.startmail.com | 145.131.90.133 2a02:22a0:bbb6:1d00::1001:25 |
mx1.startmail.com mx1.startmail.com |
AS28685 Routit BV AS28685 Routit BV |
| 10 | 3600s | mx2.startmail.com | 145.131.90.149 2a02:22a0:bbb6:1d00::1002:25 |
mx2.startmail.com mx2.startmail.com |
AS28685 Routit BV AS28685 Routit BV |
| TXT Record |
|---|
| startmail-verification=110f0402152cb33d7073232ba9250a4a |
| v=spf1 include:spf.startmail.com ~all |
| Policy | Record (rubenml.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.startmail.com ~all |
| www CNAME | rubenml.dk (all on rubenml.dk) |
| www vs bare domain | Neither resolves rubenml.dk: no address www.rubenml.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.startmail.com | DANE-EE · Full cert · SHA-256 | DC2B92762A99D3F70951B81DB11572DA… |
| SMTP _25._tcp.mx2.startmail.com | DANE-EE · Full cert · SHA-256 | DC2B92762A99D3F70951B81DB11572DA… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-12-23 |
| Expires | 2026-12-22 (66d) |
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 |
|---|---|---|---|
| 2026-10-13 05:12:58 shown | 1119ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-03 08:13:13 | 2585ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-24 06:36:51 | 717ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-03 01:25:54 | 671ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-26 06:20:29 | 810ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-25 00:03:38 | 717ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-18 08:00:48 | 947ms | 3 NS 0 A 2 MX | 🔒 Secure |