dsb-email.dk is a .dk domain served by 2 nameservers (dns.dsb.dk, ns.dsb.dk). It was registered on 10 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 74.241.209.189 is hosted by Microsoft Corporation (AS8075) in Sweden. Mail is handled by smtp3.dsb.dk, smtp4.dsb.dk. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 | 193.28.147.132 | dns.dsb.dk | AS41746 DSB (SOV) |
| ns.dsb.dk | 193.28.147.131 | ns.dsb.dk | AS41746 DSB (SOV) |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 74.241.209.189 | 3600s | — | AS8075 | Microsoft Corporation | 74.240.0.0/14 | 🇸🇪 Sweden | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | smtp3.dsb.dk | 51.105.197.148 | — | AS8075 Microsoft Corporation |
| 10 | 300s | smtp4.dsb.dk | 51.105.197.148 | — | AS8075 Microsoft Corporation |
| TXT Record |
|---|
| _ciun1zznrrqkq1zggcfco51x05lzljl |
| _globalsign-domain-verification=i2n1KP95q7CkbHOcP3c2qmSW0fSRPLn5YnC2e7pQE8 |
| df2l91t9d33j8v959m5qq97p1l2vt5lf |
| google-site-verification=c3qQOhCr3eF5wekSR80hpVf1iaEh1e5pYajraryEzBQ |
| v=spf1 ip4:149.235.15.0/24 include:_spf.general.transactional-mail-a.com ~all |
| Policy | Record (dsb-email.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:149.235.15.0/24 include:_spf.general.transactional-mail-a.com ~all |
| Policy | Record (_dmarc.dsb-email.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:pfutvobx@ag.eu.dmarcadvisor.com; ruf=mailto:pfutvobx@fr.eu.dmarcadvisor.com; fo=1; |
| www | 74.241.209.189 (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · 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 | 2026081101 |
| Primary NS (MNAME) | ns.dsb.dk |
| Responsible (RNAME) | manager@dsb.dk |
| Refresh | 1800s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 5400s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2017-09-10 |
| Expires | 2027-09-30 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 18:25:25 shown | 1143ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 17:10:38 | 876ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 03:46:03 | 1946ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-27 05:33:27 | 811ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-12 05:08:04 | 1332ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-29 11:48:35 | 874ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 01:47:31 | 675ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-20 02:44:21 | 4399ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 04:45:43 | 685ms | 2 NS 1 A 2 MX | 🔓 Insecure |