frederikshavn-mail.dk is a .dk domain served by 3 nameservers (ns4.hostonline.dk, ns5.hostonline.dk, ns6.hostonline.dk). It was registered on 4 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.185.220 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by he.hostonline.dk, mx-backup.hostonline.dk. The zone is DNSSEC-signed and validates, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.195.185.220 | 3600s | webhotel12.hostonline.dk | AS31027 | GlobalConnect A/S | 217.195.176.0/20 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.hostonline.dk → 217.195.185.209 |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (frederikshavn-mail.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (_dmarc.frederikshavn-mail.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=r; |
| www CNAME | frederikshavn-mail.dk (all on frederikshavn-mail.dk) |
| www vs bare domain | Same network frederikshavn-mail.dk: 217.195.185.220 (AS31027) www.frederikshavn-mail.dk: 217.195.185.220 (AS31027) |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 6/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071702 |
| Primary NS (MNAME) | ns4.hostonline.dk |
| Responsible (RNAME) | hostmaster@hostonline.dk |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | TS COMPUTER ApS |
| Registered | 2019-10-04 |
| Expires | 2026-10-31 (14d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 11:24:38 | 1306ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-11 04:11:24 | 2916ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 16:03:49 | 1481ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 15:33:43 | 558ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 07:05:29 | 690ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 05:37:53 | 709ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 00:57:12 | 1823ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-18 07:52:01 | 1176ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 06:50:20 | 1818ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 01:52:46 | 557ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 02:45:50 | 470ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 04:23:07 | 787ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 18:25:35 | 2933ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 11:00:35 | 6796ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 21:01:27 | 2506ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-11 13:21:07 | 4211ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 13:01:43 | 1118ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 19:35:10 | 1144ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 17:37:51 | 8750ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 05:36:04 shown | 2861ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-15 21:01:34 | 1062ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-08 23:07:08 | 10642ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 12:52:57 | 1050ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-29 08:10:28 | 1375ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 10:04:54 | 978ms | 3 NS 1 A 2 MX | ⚠️ Bogus |