ds-extern.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 22 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx12.electric.net, mx6.electric.net. 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 | 600s | mx12.electric.net | 192.162.219.49 2a01:77c0:1619:4101:d99:c22:fb4d:290e |
mx41.electric.net mx10.electric.net |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| 20 | 600s | mx6.electric.net | 192.162.219.49 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 1 | 0 | 443 | mail.ds-sundhed.dk |
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms72521539 |
| v=spf1 include:spf.comendosystems.com include:spf.protection.outlook.com -all |
| vpe=8e56273c |
| Policy | Record (ds-extern.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.comendosystems.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.ds-extern.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100 ; fo=0:1:s; adkim=s; aspf=s; rf=afrf; rua=mailto:5fb509f90f694@dmarc.centerasecurity.com |
| www | Exists, no address |
| www vs bare domain | Neither resolves ds-extern.dk: no address www.ds-extern.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 4/10 · 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 | 2023062801 |
| Primary NS (MNAME) | ns.scannet2.dk |
| Responsible (RNAME) | hostmaster@scannet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | A/S SCANNET |
| Registered | 2020-01-22 |
| Expires | 2027-01-31 (105d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 06:24:49 | 658ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-07 23:48:33 | 901ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-02 18:48:31 | 831ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-01 23:51:11 shown | 797ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-17 04:45:49 | 488ms | 2 NS 0 A 2 MX | 🔒 Secure |