dsdn.dk is a .dk domain served by 2 nameservers (a.ns.netic.dk, b.ns.netic.dk). It was registered on 28 October 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mxfilter01.netic.dk, mxfilter02.netic.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | mxfilter01.netic.dk | 2a03:dc80:0:f136::207 77.243.50.207 |
mxfilter01.netic.dk mxfilter01.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| 20 | 60s | mxfilter02.netic.dk | 2a03:dc80:0:f136::213 77.243.50.213 |
mxfilter02.netic.dk mxfilter02.netic.dk |
AS42697 Netic A/S AS42697 Netic A/S |
| TXT Record |
|---|
| v=spf1 a:sdn1.mta.netic.dk -all |
| Policy | Record (dsdn.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:sdn1.mta.netic.dk -all |
| Policy | Record (_dmarc.dsdn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:sdn-drift@medcom.dk; ruf=mailto:sdn-drift@medcom.dk; fo=1; adkim=s; aspf=s; |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves dsdn.dk: no address www.dsdn.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxfilter01.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| SMTP _25._tcp.mxfilter02.netic.dk | DANE-EE · SPKI · SHA-256 | 9C88565DA92996EEE441AC9CED4B3F5C… |
| 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 | 966791 |
| Primary NS (MNAME) | a.ns.netic.dk |
| Responsible (RNAME) | hostmaster@netic.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-10-28 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 16:24:01 | 1752ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-13 11:45:47 | 3430ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-08 23:38:07 | 2271ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-07 23:31:00 | 1512ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-06 23:27:32 | 1454ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-10-02 20:17:45 | 1146ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-30 20:12:23 | 1437ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-29 20:39:43 | 1445ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-28 20:24:15 | 1891ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-24 19:20:09 | 2105ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-23 18:48:47 | 1904ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-15 01:10:09 | 1714ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-07 23:24:28 | 2075ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-31 22:01:50 shown | 1254ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-31 04:35:23 | 1226ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-30 02:37:41 | 1645ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-28 01:20:53 | 9576ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-27 21:08:22 | 1259ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-26 16:48:50 | 1974ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-25 13:38:36 | 2343ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-24 13:12:45 | 3056ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-23 13:01:52 | 1386ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-22 12:20:18 | 1061ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-21 12:05:55 | 4477ms | 2 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-20 11:48:31 | 1666ms | 2 NS 0 A 2 MX | 🔓 Insecure |