bitmail.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.107.251 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mail.thundermail.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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.107.251 | 3600s | linux39.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.thundermail.com | 18.195.225.241 3.78.21.144 |
ec2-18-195-225-241.eu-central-1.compute.amazonaws.com ec2-3-78-21-144.eu-central-1.compute.amazonaws.com |
AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 94.231.107.251 |
| 🔶 Autoconfig | 94.231.107.251 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | mail.thundermail.com |
| TXT Record |
|---|
| v=spf1 include:spf.thundermail.com -all |
| Policy | Record (bitmail.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.thundermail.com -all |
| Policy | Record (_dmarc.bitmail.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| Check | Result |
|---|---|
| Status | ⚠️ Invalid |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✗ Missing / invalid |
| Policy ID | 18139500144460329770 |
| Policy MX | — |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:postmaster@bitmail.dk |
| www | 94.231.107.251 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.thundermail.com | DANE-EE · Full cert · SHA-256 | B7849D63059C4176AE960282D1386275… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 00:37:36 shown | 532ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 18:51:26 | 1057ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 18:42:31 | 563ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 03:21:24 | 775ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 16:15:12 | 1159ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 23:15:32 | 683ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 02:58:52 | 616ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 15:38:33 | 1690ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:41:16 | 554ms | 4 NS 1 A 1 MX | 🔒 Secure |