rp-byg.dk is a .dk domain served by 2 nameservers (kurt.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 6 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rpbyg-dk0e.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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.
| TXT Record |
|---|
| MS=ms87289765 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (rp-byg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves rp-byg.dk: no address www.rp-byg.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2406053489 |
| Primary NS (MNAME) | kurt.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-01-06 |
| Expires | 2027-01-31 (96d) |
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 |
|---|---|
| specdep.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 14:56:32 | 1079ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-01 01:34:12 | 2351ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-30 01:21:31 | 757ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-09 09:58:40 | 2282ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-04 18:18:46 | 1539ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-02 22:34:16 | 1431ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-02 13:24:12 | 1138ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-08 09:47:56 | 2789ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:23:57 shown | 2870ms | 2 NS 0 A 1 MX | 🔓 Insecure |