bystrup.dk is a .dk domain served by 2 nameservers (ns1.atznet.dk, ns2.atznet.dk). It was registered on 12 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 173.203.204.123 is hosted by Rackspace Hosting (AS33070) in United States. Mail is handled by bystrup-dk.mail.protection.outlook.com, bystrup-dk.mail.eo.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.atznet.dk | — | — | — |
| ns2.atznet.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 173.203.204.123 | — | cargocollective.com | AS33070 | Rackspace Hosting | 173.203.192.0/18 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (bystrup.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | bystrup.dk (all on bystrup.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2018112605 |
| Primary NS (MNAME) | ns1.atznet.dk |
| Responsible (RNAME) | hostmaster@atznet.dk |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-11-12 |
| Expires | 2026-12-31 (75d) |
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 |
|---|---|---|---|
| 2026-09-30 19:23:44 | 762ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-02 17:35:20 | 4469ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-30 21:50:24 | 4781ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-22 18:29:26 | 4901ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 18:25:49 shown | 1052ms | 2 NS 1 A 2 MX | 🔒 Secure |