offgridsystems.dk is a .dk domain served by 2 nameservers (ns01.hostnet.nl, ns02.hostnet.nl). It was registered on 18 July 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.243.13 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mailfilter.hostnet.nl. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.243.13 | 3600s | — | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mailfilter.hostnet.nl | 91.184.19.251 | mailfilter.hostnet.nl | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.243.13 |
| 🔶 Autoconfig | autodiscover.hostnet.nl → 91.184.8.68 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10f:69:979c:5a9c:dbbf | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 40 | 10 | 443 | autodiscover.hostnet.nl |
| Policy | Record (_dmarc.offgridsystems.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mailfilter.hostnet.nl | DANE-EE · SPKI · SHA-256 | E3F3620A9FFBF55AAED670B046874D36… |
| 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 | 2026071701 |
| Primary NS (MNAME) | ns01.hostnet.nl |
| Responsible (RNAME) | hostmaster@hostnet.nl |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-07-18 |
| Expires | 2027-07-31 (287d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 15:59:19 | 708ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 13:54:55 | 658ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 11:05:22 | 1249ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 08:10:50 | 973ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-26 10:10:55 | 680ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-18 16:53:07 shown | 722ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 06:34:22 | 874ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 22:59:22 | 1184ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:19:10 | 2433ms | 2 NS 1 A 1 MX | 🔓 Insecure |