bmt-tag.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 185.21.40.204 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by bmttag-dk0i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.204 | 3600s | linux27.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.152.200 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (bmt-tag.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | hosting.auxo.dk (all on auxo.dk) |
| www vs bare domain | Different networks bmt-tag.dk: 3.33.152.50 52.223.13.110 (AS16509) (all like this)www.bmt-tag.dk: 104.21.57.189 172.67.165.120 2606:4700:3031::ac43:a578 2606:4700:3036::6815:39bd (AS13335) |
| 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2020072990 |
| 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 |
|---|---|---|---|
| 2026-08-28 05:41:14 | 1389ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-28 04:43:54 | 9395ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-21 21:13:42 | 17105ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 19:51:39 | 1255ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 15:37:09 shown | 1995ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 15:06:02 | 3016ms | 4 NS 1 A 1 MX | 🔒 Secure |