tronsmark.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. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 188.179.255.95 |
| 🔶 Autoconfig | 188.179.255.95 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:188:1900:1::ff | 43200s | — | AS31027 | GlobalConnect A/S | 2a02:188:0:0:0:0:0:0/30 | 🇩🇰 Denmark | Charlottenlund |
| TXT Record |
|---|
| google-site-verification=LGUJ0OI1_8tf8sf42FSjmsC6itNgsGOmzg0AJYAsKeg |
| www CNAME | ghs.google.com (all on google.com) |
| www vs bare domain | Different networks tronsmark.dk: 2a02:188:1900:1::ff (AS31027) (all like this)www.tronsmark.dk: 172.217.20.179 2a00:1450:400f:805::2013 (AS15169) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 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.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101101 |
| 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 |
|---|---|---|---|
| 2026-10-13 01:53:39 shown | 3293ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-10-03 16:39:34 | 591ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-23 13:20:16 | 800ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-11 09:05:46 | 1349ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-26 08:00:22 | 804ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-12 06:35:11 | 9823ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-18 09:17:19 | 18708ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-17 03:01:03 | 6001ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-27 23:53:03 | 896ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-20 05:53:10 | 1005ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-17 11:58:57 | 1109ms | 2 NS 0 A 7 MX | 🔒 Secure |