kriegerbystrup.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 July 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.128.250 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.bystrup.net. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.150.128.250 | 14400s | bystrup.net | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mail.bystrup.net | 2a05:f6c7:6362:0:20c:29ff:feec:1eeb 89.150.128.250 |
bystrup.net bystrup.net |
AS203953 Hiper A/S AS203953 Hiper A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | kriegerbystrup.dk → 89.150.128.250 |
| 🔶 Autoconfig | kriegerbystrup.dk → 89.150.128.250 |
| TXT Record |
|---|
| v=spf1 include:bystrup.net -all |
| Policy | Record (kriegerbystrup.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:bystrup.net -all |
| Policy | Record (_dmarc.kriegerbystrup.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@bystrup.net; ruf=mailto:dmarc-ruf@bystrup.net; fo=1; |
| www CNAME | kriegerbystrup.dk (all on kriegerbystrup.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~4096 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: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.kriegerbystrup.dk | kriegerbystrup.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| 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 | 2007-07-10 |
| Expires | 2035-07-31 (3203d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 20:18:17 | 1607ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 12:53:35 | 905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 00:00:16 | 1288ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 11:49:46 | 5311ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 04:43:26 shown | 5065ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 06:20:38 | 923ms | 2 NS 1 A 1 MX | 🔒 Secure |