nibu.dk is a .dk domain served by 4 nameservers (ns1.misspark.com, ns2.misspark.com, ns3.misspark.com and 1 more). It was registered on 1 November 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.16.185.16 is hosted by Hostek AB (AS61207) in Sweden. Mail is handled by nibu.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 212.16.185.16 | 3600s | cpdns01.misshosting.no | AS61207 | Hostek AB | 212.16.184.0/22 | 🇸🇪 Sweden | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | nibu.dk | 212.16.185.16 | cpdns01.misshosting.no | AS61207 Hostek AB |
| TXT Record |
|---|
| v=spf1 ip4:212.16.185.16 include:_spf.reliablemail.org +a +mx ~all |
| Policy | Record (nibu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:212.16.185.16 include:_spf.reliablemail.org +a +mx ~all |
| www CNAME | nibu.dk (all on nibu.dk) → 212.16.185.16 (AS61207) |
| 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: 5/10 · 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 | 2022010600 |
| Primary NS (MNAME) | ns1.misspark.com |
| Responsible (RNAME) | admin@misshosting.com |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Name SRS AB |
| Registered | 2007-11-01 |
| Expires | 2027-11-30 (407d) |
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 |
|---|---|---|---|
| 2026-10-02 12:29:09 | 608ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 16:42:51 | 739ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-29 02:27:04 | 845ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 05:17:54 shown | 802ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 11:30:22 | 688ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 23:24:11 | 630ms | 4 NS 1 A 1 MX | 🔓 Insecure |