frbraadhuskaelder.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 19 April 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| Policy | Record (_dmarc.frbraadhuskaelder.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | 185.20.205.78 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u12692853.wl104.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u12692853.wl104.sendgrid.net | RSA · ~1024 bit below 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.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2021-04-19 |
| Expires | 2027-04-30 (184d) |
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 |
|---|---|
| cue-mee.dk | Simply.com A/S |
| rådhuskælderen.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-27 03:37:09 | 633ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 13:16:11 | 1104ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 05:20:25 | 1183ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 10:13:55 | 1397ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 14:32:14 | 17072ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-30 00:43:58 shown | 13732ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-19 03:17:11 | 1509ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:38:23 | 1973ms | 4 NS 1 A 1 MX | 🔒 Secure |