dht.dk is a .dk domain served by 2 nameservers (ns1.onwelcom.dk, ns2.onwelcom.dk). It was registered on 9 September 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.51.79.250 is hosted by Powernet Aps (AS205984) in Denmark. Mail is handled by mailfilter.onwelcom.dk, mx2.onwelcom.dk. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.onwelcom.dk | 185.51.79.241 | mail.onwelcom.dk | AS205984 Powernet Aps |
| ns2.onwelcom.dk | 185.51.79.251 | — | AS205984 Powernet Aps |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.51.79.250 | 86400s | web01.onwelcom.dk | AS205984 | Powernet Aps | 185.51.78.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mailfilter.onwelcom.dk | 185.51.79.248 | mailfilter.powernet.dk | AS205984 Powernet Aps |
| 20 | 86400s | mx2.onwelcom.dk | 185.51.79.248 | mailfilter.powernet.dk | AS205984 Powernet Aps |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 127.0.0.1 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | exchange.onwelcom.dk |
| TXT Record |
|---|
| v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -all |
| Policy | Record (dht.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip4:185.51.79.235 ip4:185.51.79.242 mx -all |
| www | 185.51.79.250 (AS205984) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · 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 | 2016092723 |
| Primary NS (MNAME) | ns1.onwelcom.dk |
| Responsible (RNAME) | hostmaster@dht.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-09-09 |
| Expires | 2027-09-30 (348d) |
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 |
|---|---|---|---|
| 2026-08-25 07:15:43 shown | 9531ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 13:30:50 | 555ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 20:26:07 | 684ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-21 12:24:09 | 1000ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 13:58:07 | 2694ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 02:46:26 | 388ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 02:40:15 | 557ms | 2 NS 1 A 2 MX | 🔓 Insecure |