btnet.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 July 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by hermes.luop.dk. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | hermes.luop.dk | 65.108.254.125 | hermes.luop.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 mx include:fedtmule.pbnet.dk -all |
| Policy | Record (btnet.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:fedtmule.pbnet.dk -all |
| Policy | Record (_dmarc.btnet.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:bth-list@btnet.dk; ruf=mailto:bth-list@btnet.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves btnet.dk: no address www.btnet.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| 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 | 2003-07-09 |
| Expires | 2028-07-31 (653d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 19:32:43 | 481ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-06 08:34:54 | 1160ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 07:53:26 | 481ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-22 01:29:05 | 678ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 04:50:22 | 909ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-24 14:47:03 | 1073ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 17:43:27 shown | 2782ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 17:36:46 | 1259ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 17:30:58 | 548ms | 2 NS 0 A 1 MX | 🔒 Secure |