gerstroem-aps.dk is a .dk domain served by 3 nameservers (ns1.dnsservers.dk, ns2.dnsservers.dk, ns3.dnsservers.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.31.80.26 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 6 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 31.31.80.26 | 3600s | — | AS47292 | Sentia Denmark A/S | 31.31.80.0/21 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 31.31.80.26 |
| 🔶 Autoconfig | 31.31.80.26 |
| www | 31.31.80.26 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2025071605 |
| Primary NS (MNAME) | ns2.dnsservers.dk |
| Responsible (RNAME) | hostmaster@dnsservers.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 17:12:06 shown | 850ms | 3 NS 1 A 8 MX | 🔓 Insecure |
| 2026-09-29 18:22:24 | 868ms | 3 NS 1 A 8 MX | 🔓 Insecure |
| 2026-09-25 01:23:08 | 2684ms | 3 NS 1 A 8 MX | 🔓 Insecure |
| 2026-09-01 09:27:35 | 3838ms | 3 NS 1 A 8 MX | 🔓 Insecure |
| 2026-07-29 09:48:34 | 7235ms | 3 NS 1 A 8 MX | 🔓 Insecure |
| 2026-06-29 16:25:32 | 925ms | 3 NS 1 A 8 MX | 🔓 Insecure |
| 2026-06-24 01:36:20 | 9533ms | 3 NS 1 A 8 MX | 🔓 Insecure |
| 2026-06-23 15:01:14 | 1136ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:11:22 | 2870ms | 3 NS 1 A 8 MX | 🔓 Insecure |