buy-fly.dk is a .dk domain served by 4 nameservers (ns1-03.azure-dns.com, ns2-03.azure-dns.net, ns3-03.azure-dns.org and 1 more). It was registered on 20 December 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1-03.azure-dns.com | — | — | — |
| ns2-03.azure-dns.net | — | — | — |
| ns3-03.azure-dns.org | — | — | — |
| ns4-03.azure-dns.info | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (buy-fly.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.buy-fly.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc-rua@cph.dk,mailto:m81dcjad@ag.eu.dmarcian.com; ruf=mailto:dmarc-ruf@cph.dk; fo=1; |
| www CNAME | www.tax-free.dk (all on tax-free.dk) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 1 |
| Primary NS (MNAME) | ns1-03.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-12-20 |
| Expires | 2030-12-31 (1531d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 11:20:38 | 418ms | 4 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 15:11:45 | 598ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-02 01:18:19 | 613ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 18:21:18 | 1981ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 18:07:17 | 266ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 18:04:24 shown | 962ms | 4 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-16 18:00:49 | 2377ms | 4 NS 0 A 0 MX | 🔓 Insecure |