rydoo.dk is a .dk domain served by 3 nameservers (ns1.combell.eu, ns3.combell.net, ns4.combell.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.19.237.54 is hosted by Combell NV (AS34762) in Belgium. Mail is handled by mx.mailprotect.be, mx.backup.mailprotect.be. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 217.19.237.54 | — | 217.19.237.54.static.hosted.by.combell.com | AS34762 | Combell NV | 217.19.236.0/23 | 🇧🇪 Belgium | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.mailprotect.be → 83.217.77.175 |
| 🔶 Autoconfig | autoconfig.mailprotect.be → 83.217.77.175 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 1 | 1 | 443 | autodiscover-s.mailprotect.be |
| _imaps._tcp | 1 | 1 | 993 | imap.mailprotect.be |
| TXT Record |
|---|
| v=spf1 mx a include:_spf.relay.mailprotect.be ~all |
| Policy | Record (rydoo.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a include:_spf.relay.mailprotect.be ~all |
| Policy | Record (_dmarc.rydoo.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| www | 217.19.237.54 (AS34762) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 4/10 · 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 | 1768298992 |
| Primary NS (MNAME) | ns1.combell.eu |
| Responsible (RNAME) | hostmaster@rydoo.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 40000s |