f1-support.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 18 November 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.125 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by F1support-dk0e.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns5.chosting.dk | — | — | — |
| ns6.chosting.dk | — | — | — |
| ns7.chosting.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.20.216.125 | — | server17.chosting.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:7cc0:101:ffff::1:13 | — | — | AS21060 | Atea A/S | 2a01:7cc0:100:0:0:0:0:0/40 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 ip4:178.20.216.125 include:spf.chosting.dk include:spf.protection.outlook.com -all |
| Policy | Record (f1-support.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:178.20.216.125 include:spf.chosting.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.f1-support.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | f1-support.dk (all on f1-support.dk) |
| www vs bare domain | Same network f1-support.dk: 178.20.216.125 2a01:7cc0:101:ffff::1:13 (AS21060) www.f1-support.dk: 178.20.216.125 2a01:7cc0:101:ffff::1:13 (AS21060) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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.
DNS lookups: 4/10 · policy: -all
No problems found| 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 | 2026061101 |
| Primary NS (MNAME) | ns5.chosting.dk |
| Responsible (RNAME) | logs@chosting.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | FIONIA IT ApS |
| Registered | 1997-11-18 |
| Expires | 2026-12-31 (75d) |
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).
| Domain | Registrar |
|---|---|
| superhosting.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 05:51:29 | 1026ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 23:32:03 | 1180ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 01:19:47 | 686ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 14:12:44 | 3207ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 14:26:43 | 1139ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-11 23:19:27 | 6236ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:10:36 shown | 3626ms | 3 NS 1 A 1 MX | 🔓 Insecure |