koalaen.dk is a .dk domain served by 2 nameservers (ns1.businessdns.dk, ns2.businessdns.dk). It was registered on 2 January 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.191.113.169 is hosted by AURA Fiber A/S (AS204274) in Denmark. Mail is handled by efa01.businessdns.dk, mx-backup.businessdns.dk and 1 more. 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.businessdns.dk | 85.191.113.163 | ns1.businessdns.dk | AS204274 AURA Fiber A/S |
| ns2.businessdns.dk | 85.191.113.164 | ns2.businessdns.dk | AS204274 AURA Fiber A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 85.191.113.169 | 3600s | intlin002.businessdns.dk | AS204274 | AURA Fiber A/S | 85.191.0.0/17 | 🇩🇰 Denmark | Hinnerup |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 86400s | efa01.businessdns.dk | 85.191.113.182 | efa01.businessdns.dk | AS204274 AURA Fiber A/S |
| 10 | 86400s | mx-backup.businessdns.dk | 85.184.165.70 85.191.113.183 |
85.184.165.70.static.dhcp.aura-net.dk mailgate01.businessdns.dk |
AS204274 AURA Fiber A/S AS204274 AURA Fiber A/S |
| 50 | 86400s | ardbeg.businessdns.dk | 85.191.113.180 | ardbeg.businessdns.dk | AS204274 AURA Fiber A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | mail.businessdns.dk |
| TXT Record |
|---|
| v=spf1 include:spf.businessdns.dk -all |
| Policy | Record (koalaen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.businessdns.dk -all |
| www | 85.191.113.169 (AS204274) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | — | 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: 1/10 · 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 | 2026101603 |
| Primary NS (MNAME) | ns1.businessdns.dk |
| Responsible (RNAME) | hostmaster@businessdns.dk |
| Refresh | 3600s |
| Retry | 7200s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 84600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-01-02 |
| Expires | 2027-01-31 (106d) |
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 |
|---|---|---|---|
| 2026-10-16 02:03:23 shown | 450ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 01:42:40 | 2490ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-14 00:46:37 | 910ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-12 23:16:34 | 442ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-11 20:32:28 | 2087ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-10 18:44:51 | 715ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-09 16:48:38 | 843ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 13:33:21 | 898ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-07 13:29:22 | 823ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-06 12:47:19 | 448ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-05 11:31:57 | 1255ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-04 11:25:27 | 2174ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-03 11:20:43 | 715ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 11:19:53 | 2522ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 11:12:06 | 2024ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 11:08:17 | 686ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 11:03:25 | 542ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-28 10:57:24 | 596ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 10:53:48 | 648ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 10:47:06 | 605ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 10:43:49 | 601ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 18:58:52 | 972ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 18:31:54 | 1046ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-21 10:06:32 | 632ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 03:34:38 | 1649ms | 2 NS 1 A 3 MX | 🔓 Insecure |