t-mj.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 185.20.205.54 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by eu-esec-01.heimdalsecurity.com, eu-esec-02.heimdalsecurity.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 this 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 |
|---|---|---|---|---|---|---|---|
| 185.20.205.54 | 600s | linux378.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 1 | 0 | 443 | exch.httpscan.dk |
| TXT Record |
|---|
| google-site-verification=ZiYukLDi9JtRto6NDI3FvlwZAFLSBicBgZQ3KC8cY6o |
| v=spf1 include:spf.httpscan.dk include:spf.minuba.dk -all |
| Policy | Record (t-mj.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.httpscan.dk include:spf.minuba.dk -all |
| Policy | Record (_dmarc.t-mj.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:administrator@httpscan.dk; pct=100; |
| www | 185.20.205.54 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit |
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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| SMTP _25._tcp.eu-esec-02.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024022101 |
| 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 |
|---|---|---|---|
| 2026-10-13 12:44:06 | 2394ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 23:44:34 | 839ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 23:40:36 | 675ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 12:07:01 | 586ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 20:11:17 shown | 630ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 13:30:00 | 761ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 07:24:56 | 646ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-18 22:31:17 | 742ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 12:17:11 | 828ms | 4 NS 1 A 2 MX | 🔒 Secure |