rnboffice.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 August 2018 (WHOIS) and 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 rnboffice.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 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 |
|---|---|---|---|---|---|---|---|
| 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 | rnboffice.dk | 192.250.229.134 | d4063.fra1.stableserver.net | AS209341 WHG Hosting Services Ltd |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 192.250.229.134 |
| 🔶 Autoconfig | 192.250.229.134 |
| TXT Record |
|---|
| v=spf1 mx ip4:192.250.229.134 ip4:185.201.16.53 ip4:185.201.18.55 -all |
| Policy | Record (rnboffice.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:192.250.229.134 ip4:185.201.16.53 ip4:185.201.18.55 -all |
| Policy | Record (_dmarc.rnboffice.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;aspf=s;adkim=s;pct=100;rua=mailto:contact@rnboffice.dk; |
| www | 192.250.229.134 (AS209341) (address records, no CNAME) |
| 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: 1/10 · 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 | 2026100701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-08-27 |
| Expires | 2027-08-31 (313d) |
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).
| Domain | Registrar |
|---|---|
| fairmakers.dk | Punktum dk A/S (direct) |
| speednetworking.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 12:42:58 shown | 857ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 10:38:23 | 522ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 09:51:00 | 655ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 09:43:49 | 234ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-23 09:35:46 | 208ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-16 08:26:09 | 353ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-12 16:19:08 | 355ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-09 14:02:07 | 372ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-02 19:47:08 | 914ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 14:50:12 | 563ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 22:46:03 | 905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 22:19:06 | 880ms | 2 NS 1 A 1 MX | 🔒 Secure |