rda.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.250.229.134 is hosted by WHG Hosting Services Ltd (AS209341) in Germany. Mail is handled by rda.dk. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 192.250.229.134 | 600s | d4063.fra1.stableserver.net | AS209341 | WHG Hosting Services Ltd | 192.250.229.0/24 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 600s | rda.dk | 192.250.229.134 | d4063.fra1.stableserver.net | AS209341 WHG Hosting Services Ltd |
| TXT Record |
|---|
| v=spf1 +mx +a +ip4:192.250.229.134 +include:spf.mysecurecloudhost.com ~all |
| Policy | Record (rda.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +mx +a +ip4:192.250.229.134 +include:spf.mysecurecloudhost.com ~all |
| Policy | Record (_dmarc.rda.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;aspf=s;adkim=s;pct=100;rua=mailto:contact@rda.dk |
| www CNAME | rda.dk (all on rda.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 5/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 07:30:22 | 489ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 01:33:09 | 2616ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 01:27:18 | 837ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 21:55:28 shown | 621ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 01:30:51 | 1537ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 21:37:37 | 1984ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 09:57:33 | 1094ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 05:09:47 | 992ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 23:59:20 | 1276ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 19:18:18 | 688ms | 2 NS 1 A 1 MX | 🔒 Secure |