nybo-klitgaard.dk is a .dk domain served by 2 nameservers (ns1.tweek.dk, ns2.tweek.dk). It was registered on 7 October 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 176.23.101.31 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx.tweek.dk, mx2.tweek.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 176.23.101.31 | 86400s | 176-23-101-31-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 176.23.0.0/17 | 🇩🇰 Denmark | Jyllinge |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mx.tweek.dk | 13.53.76.2 2a05:d016:46b:a500:f631:5b92:d118:c6c3 |
mx.tweek.dk — |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 10 | 86400s | mx2.tweek.dk | 13.50.85.203 2a05:d016:46b:a500:4930:951d:e781:103e |
ns2.tweek.dk — |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | nybo-klitgaard.dk → 176.23.101.31 |
| 🔶 Autoconfig | nybo-klitgaard.dk → 176.23.101.31 |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (nybo-klitgaard.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| www CNAME | nybo-klitgaard.dk (all on nybo-klitgaard.dk) → 176.23.101.31 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.nybo-klitgaard.dk | nybo-klitgaard.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1782882156 |
| Primary NS (MNAME) | ns1.tweek.dk |
| Responsible (RNAME) | tweek@tweek.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2020-10-07 |
| Expires | 2027-10-31 (373d) |
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 |
|---|---|
| dark-orange.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 08:00:30 | 954ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 17:21:14 | 1582ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 16:22:31 | 2304ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 08:25:49 | 9580ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 11:36:58 | 1995ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 10:42:42 | 1095ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 00:41:16 | 1624ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-12 16:39:09 | 2143ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 00:42:14 | 1005ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 16:34:49 | 1557ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-25 12:02:19 | 3206ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-18 21:07:19 | 3340ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 04:18:44 | 1063ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-09 21:18:08 | 4099ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-01 14:33:25 | 9227ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-21 15:53:12 | 1098ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 15:11:20 | 1024ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 19:36:32 | 10022ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-01 20:12:50 shown | 1538ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 01:12:56 | 2893ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 17:13:24 | 913ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 08:19:01 | 1470ms | 2 NS 1 A 2 MX | 🔒 Secure |