københavnmail.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, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 (københavnmail.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostonline.dk -all |
| www CNAME | xn--kbenhavnmail-vjb.dk (all on xn--kbenhavnmail-vjb.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 | ncache nxdomain overridden by dig AD |
| Field | Value |
|---|---|
| Serial | 2026101502 |
| 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 (10d) |
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 16:36:57 shown | 2294ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-10 07:07:55 | 2927ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-05 19:45:58 | 659ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 19:40:51 | 404ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 21:08:59 | 528ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 17:53:36 | 692ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 16:57:52 | 633ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-20 19:27:07 | 1830ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-16 18:42:08 | 3357ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-12 19:18:55 | 693ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 04:24:53 | 589ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 03:22:17 | 1907ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 03:07:02 | 1893ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 17:26:24 | 1427ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 10:41:48 | 1926ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 12:11:15 | 1707ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-06 18:51:50 | 9090ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-03 02:02:11 | 831ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-28 01:42:46 | 2729ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 21:49:25 | 851ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 22:23:46 | 43460ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 19:06:33 | 807ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-15 09:33:26 | 917ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-08 21:52:28 | 9409ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 13:15:07 | 5329ms | 3 NS 1 A 2 MX | 🔒 Secure |