gerstersen.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 85.191.13.31 is hosted by AURA Fiber A/S (AS204274) 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 |
|---|---|---|---|---|---|---|---|
| 85.191.13.31 | 43200s | 85.191.13.31.dynamic.dhcp.aura-net.dk | AS204274 | AURA Fiber A/S | 85.191.0.0/17 | 🇩🇰 Denmark | Galten |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| 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 |
|---|---|---|---|
| 2026-10-11 22:26:47 shown | 913ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 12:38:21 | 428ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 15:18:55 | 393ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 23:42:55 | 517ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 22:29:11 | 489ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 18:35:18 | 774ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 05:32:51 | 458ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 06:35:24 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 21:34:31 | 4842ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 12:40:09 | 2819ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-04 08:43:16 | 6504ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 23:33:11 | 546ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 23:23:27 | 633ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 13:35:43 | 7560ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 17:20:49 | 1347ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 23:20:53 | 821ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 21:14:01 | 1185ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:40:55 | 482ms | 2 NS 1 A 0 MX | 🔒 Secure |