trmc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.71.252.94 is hosted by Florian Kolb (AS58087) in Germany. Mail is handled by mail.trmc.dk. 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 |
|---|---|---|---|---|---|---|---|
| 109.71.252.94 | 43200s | 94.252.71.109.in-addr.arpa | AS58087 | Florian Kolb | 109.71.252.0/24 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | mail.trmc.dk | 176.100.37.2 2a0e:97c0:3ea:4a6::1 |
mail.trmc.dk mail.trmc.dk |
AS58087 Florian Kolb AS203446 SMARTNET Germany GmbH |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (trmc.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.trmc.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@trmc.dk; fo=1 |
| www | 109.71.252.94 (AS58087) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 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: 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 | 2026090102 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-07 08:22:18 shown | 3013ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 19:36:47 | 2969ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 18:19:09 | 6924ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 14:35:56 | 5093ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 12:26:38 | 664ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 05:23:56 | 1291ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 15:37:24 | 766ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:22:15 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure |