jan-johansen.dk is a .dk domain served by 2 nameservers (ns1.blackhost.dk, ns2.blackhost.dk). It was registered on 5 September 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by jan-johansen.dk. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.blackhost.dk | 95.179.132.153 | ns1.fairhost.net | AS20473 The Constant Company, LLC |
| ns2.blackhost.dk | 108.61.173.235 | ns2.blackhost.dk | AS20473 The Constant Company, LLC |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.90.215.201 | — | cp10.fairhost.net | AS24940 | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | — | jan-johansen.dk | 157.90.215.201 | cp10.fairhost.net | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:157.90.215.201 include:relay.mailchannels.net ~all |
| Policy | Record (jan-johansen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:157.90.215.201 include:relay.mailchannels.net ~all |
| Policy | Record (_dmarc.jan-johansen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | jan-johansen.dk (all on jan-johansen.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · 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 | 2026050701 |
| Primary NS (MNAME) | ns1.blackhost.dk |
| Responsible (RNAME) | hostmaster@blackhost.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-09-05 |
| Expires | 2027-09-30 (344d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-08 14:02:01 | 9916ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:27:41 | 662ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 21:34:09 | 1484ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-20 19:07:47 | 1863ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 19:23:40 shown | 1017ms | 2 NS 1 A 1 MX | 🔓 Insecure |