koactive.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.191.156.87 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by koactive-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.191.156.87 | 3600s | linux209.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | maildiscover.simply.com → 94.231.108.222 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | maildiscover.simply.com |
| TXT Record |
|---|
| MS=ms81017041 |
| v=spf1 a include:spf.itnapps.eu include:spf.protection.outlook.com ~all |
| Policy | Record (koactive.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.itnapps.eu include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.koactive.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~1024 bit below 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025101301 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 17:47:29 | 2203ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 17:23:58 | 1307ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 09:44:12 | 804ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 12:44:52 | 1366ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 12:07:51 | 1406ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 12:30:48 shown | 2549ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 04:21:09 | 1501ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 23:26:06 | 962ms | 3 NS 1 A 1 MX | 🔒 Secure |