erhvervskort.dk is a .dk domain served by 2 nameservers (dns.dsb.dk, ns.dsb.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 137.116.232.79 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mxfilter01.netic.dk.erhvervskort.dk, mxfilter02.netic.dk.erhvervskort.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns.dsb.dk | — | — | — |
| ns.dsb.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 137.116.232.79 | — | — | AS8075 | Microsoft Corporation | 137.116.0.0/15 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mxfilter01.netic.dk.erhvervskort.dk | — | — | — |
| 10 | — | mxfilter02.netic.dk.erhvervskort.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a03:dc80:0:f12d::205 | — | — | AS42697 | Netic A/S | 2a03:dc80:0:0:0:0:0:0/29 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (erhvervskort.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.erhvervskort.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:pfutvobx@ag.eu.dmarcadvisor.com; ruf=mailto:pfutvobx@fr.eu.dmarcadvisor.com; fo=1; |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve erhvervskort.dk: 137.116.232.79 2a03:dc80:0:f12d::205 (AS8075 AS42697) (all like this)www.erhvervskort.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
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: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2023011702 |
| Primary NS (MNAME) | ns.dsb.dk |
| Responsible (RNAME) | manager@dsb.dk |
| Refresh | 1800s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 5400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:32:09 | 544ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-04 03:05:27 | 994ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 04:46:47 | 542ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-02 06:49:24 | 715ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 20:31:41 | 976ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 01:27:08 | 786ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 08:05:45 shown | 466ms | 2 NS 1 A 2 MX | 🔓 Insecure |