rbfp.dk is a .dk domain served by 5 nameservers (ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info and 2 more). It was registered on 18 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rbfp-dk.mail.protection.outlook.com. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.98.16.59 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| docusign=72868e14-91f3-460b-9a7f-54605a3c083c |
| MS=ms94455255 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (rbfp.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.rbfp.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;pct=100 |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves rbfp.dk: no address www.rbfp.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rbfp-dk._domainkey.nefo.onmicrosoft.com | 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025114056 |
| Primary NS (MNAME) | ns1.brandshelter.com |
| Responsible (RNAME) | tech@brandshelter.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Key-Systems GmbH |
| Registered | 2020-12-18 |
| Expires | 2026-12-31 (65d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 00:39:05 | 2117ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-15 22:53:31 | 1145ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-09 00:25:41 | 3095ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-02 20:53:41 | 1153ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 07:03:42 | 2189ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 06:49:30 | 909ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 13:21:24 | 1086ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-17 03:49:47 | 3528ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 09:27:40 | 1264ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-07 20:46:10 | 833ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 14:57:48 | 2213ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-20 12:52:03 | 12002ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-14 14:30:19 | 2264ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-09 07:22:15 | 18388ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-08 00:52:40 | 2004ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-02 23:24:26 | 1595ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-23 08:46:40 | 1789ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-17 01:24:43 shown | 1323ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-09 03:36:04 | 10558ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-03 13:14:33 | 2733ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-28 06:09:20 | 956ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 19:38:56 | 1753ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 06:21:23 | 1061ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:06:02 | 820ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 12:06:08 | 1078ms | 5 NS 0 A 1 MX | 🔒 Secure |