haderslev-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 (haderslev-mail.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostonline.dk -all |
| Policy | Record (_dmarc.haderslev-mail.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=r; |
| www CNAME | haderslev-mail.dk (all on haderslev-mail.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 | 2026081602 |
| 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 06:41:21 | 1513ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 16:32:19 | 1640ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 06:49:36 | 1049ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 06:29:39 | 930ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 04:32:28 | 1154ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-20 09:18:43 | 625ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-16 09:48:06 | 2287ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 10:09:29 | 968ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 22:23:39 | 3109ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-31 14:02:16 | 1891ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 17:26:06 | 458ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 09:07:14 | 2799ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 11:55:59 shown | 3561ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 12:57:09 | 9876ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 07:06:54 | 993ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-02 17:27:51 | 1173ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 11:13:04 | 1059ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-23 06:55:03 | 9986ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 11:08:01 | 831ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-16 22:58:53 | 2476ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-09 02:11:07 | 1811ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 11:42:45 | 970ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-28 10:43:01 | 935ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 21:57:01 | 3149ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 10:48:02 | 880ms | 3 NS 1 A 2 MX | 🔒 Secure |