rudkoebingbilsyn.dk is a .dk domain served by 4 nameservers (ns-1079.awsdns-06.org, ns-1958.awsdns-52.co.uk, ns-337.awsdns-42.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 174.138.15.41 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by rudkoebingbilsyn-dk.t-v1.mx.microsoft. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 174.138.15.41 | — | 1583260.cloudwaysapps.com | AS14061 | DigitalOcean, LLC | 174.138.0.0/17 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms78000920 |
| v=spf1 include:spf.protection.outlook.com include:_spf.resennet.dk -all |
| Policy | Record (rudkoebingbilsyn.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.resennet.dk -all |
| Policy | Record (_dmarc.rudkoebingbilsyn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=r; aspf=r |
| www CNAME | rudkoebingbilsyn.dk (all on rudkoebingbilsyn.dk) → 174.138.15.41 (AS14061) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.rudkoebingbilsyn-dk.t-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | A6C267923B26A4A9617EDA73D8DB4FBC… |
| SMTP _25._tcp.rudkoebingbilsyn-dk.t-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 5F88694615E4C61686E106B84C3338C6… |
| SMTP _25._tcp.rudkoebingbilsyn-dk.t-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 133086C7B822371A4A3304F1661A7880… |
| SMTP _25._tcp.rudkoebingbilsyn-dk.t-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | C495D9E40F7E625BE22F83CC64305182… |
| SMTP _25._tcp.rudkoebingbilsyn-dk.t-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 38D895F5105BC2545822C17A2444F4B0… |
| SMTP _25._tcp.rudkoebingbilsyn-dk.t-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 6EBFF927297A5B3AAF5EAE672252C36A… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-337.awsdns-42.com |
| Responsible (RNAME) | awsdns-hostmaster@amazon.com |
| Refresh | 7200s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 16:43:42 | 2937ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 05:18:00 | 5662ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 10:54:52 | 3404ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 23:21:24 shown | 13532ms | 4 NS 1 A 1 MX | 🔓 Insecure |