fladstjerne.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 August 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by smtp1.mailfence.com, smtp2.mailfence.com. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | smtp1.mailfence.com | 212.3.242.78 212.3.242.78 |
78.64-127.242.3.212.in-addr.arpa smtp1.mailfence.com |
AS3356 Level 3 Parent, LLC AS3356 Level 3 Parent, LLC |
| 10 | 43200s | smtp2.mailfence.com | 212.3.242.79 212.3.242.79 |
79.64-127.242.3.212.in-addr.arpa smtp2.mailfence.com |
AS3356 Level 3 Parent, LLC AS3356 Level 3 Parent, LLC |
| TXT Record |
|---|
| chal=xdtsp7 |
| v=spf1 include:_spf.mailfence.com -all |
| Policy | Record (fladstjerne.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mailfence.com -all |
| Policy | Record (_dmarc.fladstjerne.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:rene@fladstjerne.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves fladstjerne.dk: no address www.fladstjerne.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.smtp1.mailfence.com | DANE-EE · SPKI · SHA-256 | B778BEAED5BF68C730C018086BC666E0… |
| SMTP _25._tcp.smtp1.mailfence.com | DANE-EE · SPKI · SHA-256 | 1FC09052127013E1C9EDAD4226D28D9E… |
| SMTP _25._tcp.smtp2.mailfence.com | DANE-EE · SPKI · SHA-256 | B778BEAED5BF68C730C018086BC666E0… |
| SMTP _25._tcp.smtp2.mailfence.com | DANE-EE · SPKI · SHA-256 | 1FC09052127013E1C9EDAD4226D28D9E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026091301 |
| 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 | 2004-08-10 |
| Expires | 2031-08-31 (1776d) |
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 |
|---|---|---|---|
| 2026-10-15 04:49:28 | 631ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-01 02:17:28 | 936ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-29 20:55:22 shown | 832ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-27 01:49:27 | 2857ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-13 15:12:08 | 1189ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-16 23:23:31 | 5401ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-15 16:48:26 | 1321ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-17 07:13:06 | 1409ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-27 22:13:03 | 3935ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-24 22:44:55 | 1771ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-24 16:12:11 | 763ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-20 05:35:51 | 1289ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 10:18:17 | 2782ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 10:05:18 | 737ms | 2 NS 0 A 2 MX | 🔒 Secure |