fladstjerne.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It 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 | 1FC09052127013E1C9EDAD4226D28D9E… |
| SMTP _25._tcp.smtp1.mailfence.com | DANE-EE · SPKI · SHA-256 | 365AA7163E8212E423036D917C90CB48… |
| SMTP _25._tcp.smtp2.mailfence.com | DANE-EE · SPKI · SHA-256 | 1FC09052127013E1C9EDAD4226D28D9E… |
| SMTP _25._tcp.smtp2.mailfence.com | DANE-EE · SPKI · SHA-256 | 365AA7163E8212E423036D917C90CB48… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026081301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| 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 | 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 shown | 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 |