trojborgappen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 28 June 2026 (WHOIS) and first appeared in the .dk zone on 29 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by .. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www CNAME | marienlund.github.io (all on github.io) |
| www vs bare domain | Same network trojborgappen.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.trojborgappen.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| 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.
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026070101 |
| 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 | 2026-06-28 |
| Expires | 2027-06-27 (252d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 12:59:31 | 619ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-10-06 09:35:30 | 846ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-10-01 08:41:58 | 633ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-09-11 03:32:32 | 877ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-09-08 10:12:11 | 1157ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-09-01 05:02:17 | 793ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-08-26 08:51:12 | 4876ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-08-16 03:42:26 | 6756ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-08-08 02:48:53 | 1999ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-07-22 08:27:57 | 5927ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-07-12 23:30:47 | 7753ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-07-09 00:42:58 | 2296ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-07-05 21:17:58 | 1817ms | 2 NS 4 A 6 MX | 🔒 Secure |
| 2026-07-04 16:48:32 | 1311ms | 2 NS 4 A 1 MX | 🔒 Secure |
| 2026-07-03 15:33:32 | 727ms | 2 NS 4 A 4 MX | 🔒 Secure |
| 2026-07-01 14:42:07 shown | 732ms | 2 NS 4 A 1 MX | 🔓 Insecure |