tømrerfirmaetmdbyg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.30 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.30 | 3600s | vm1330.enterprisecloud.nu | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.21.40.30 |
| 🔶 Autoconfig | 185.21.40.30 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com include:web.shared.mysmtp.com ~all |
| Policy | Record (tømrerfirmaetmdbyg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com include:web.shared.mysmtp.com ~all |
| www | 185.21.40.30 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · 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 | 2026100801 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2024-05-03 |
| Expires | 2027-05-02 (193d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 22:15:41 shown | 330ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 17:54:13 | 395ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 08:56:21 | 401ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 23:03:21 | 465ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 12:44:16 | 506ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 01:20:12 | 962ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 02:34:44 | 2670ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 14:30:43 | 4563ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 06:42:09 | 4562ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 08:21:30 | 605ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 03:09:13 | 537ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 06:13:44 | 402ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 15:10:52 | 361ms | 2 NS 1 A 0 MX | ❓ Unknown |