ntps.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 20 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.mxx.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.mxx.dk | 165.22.68.211 2a03:b0c0:3:d0::10e9:a001 |
mail.mxx.dk mail.mxx.dk |
AS14061 DigitalOcean, LLC AS14061 DigitalOcean, LLC |
| TXT Record |
|---|
| v=spf1 include:mxx.dk -all |
| Policy | Record (ntps.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:mxx.dk -all |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20260131210517Z |
| max_age | 604800s |
| Policy MX | mail.mxx.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:rpt@mxx.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| 0 | issuewild | letsencrypt.org |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves ntps.dk: no address www.ntps.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 |
|---|---|---|
| default | — | 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: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.mxx.dk | DANE-EE · SPKI · SHA-256 | EF5967F843AFA8B1926E0819D33A8F16… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026092801 |
| 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 | ONE.COM A/S |
| Registered | 2026-01-20 |
| Expires | 2027-01-19 (87d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 12:08:48 shown | 942ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-29 22:46:34 | 452ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-29 21:11:56 | 894ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-29 18:11:20 | 1834ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-31 06:46:05 | 753ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-01 02:53:45 | 842ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 15:42:23 | 1069ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 23:31:09 | 723ms | 2 NS 0 A 1 MX | 🔒 Secure |