haderslevmail.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 |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (haderslevmail.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (_dmarc.haderslevmail.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=r; |
| www CNAME | haderslevmail.dk (all on haderslevmail.dk) |
| www vs bare domain | Same network |
| 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 | 2026072702 |
| 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 (13d) |
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 |
|---|---|---|---|
| 2026-10-16 04:21:18 | 739ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 13:51:17 | 1148ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 06:09:35 | 2803ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 05:42:16 | 504ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 08:24:21 | 774ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 07:12:51 | 635ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 05:46:51 | 2112ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 21:25:48 | 1794ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-16 10:33:28 | 744ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 00:39:18 | 3513ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 20:27:25 | 1959ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 00:48:12 | 458ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 21:56:39 | 496ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 20:51:36 | 2789ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-17 16:18:07 | 1059ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 13:55:49 | 2794ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-08 04:59:48 | 995ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-02 01:06:00 | 1371ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 14:08:42 shown | 4941ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 08:51:15 | 1359ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 09:15:11 | 2663ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 12:52:52 | 1129ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-08 16:56:32 | 3462ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 10:26:27 | 1947ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-27 08:02:27 | 623ms | 3 NS 1 A 2 MX | 🔒 Secure |