kagan.dk is a .dk domain served by 3 nameservers (ns1.itwebhotel.dk, ns2.itwebhotel.dk, ns3.itwebhotel.dk). It was registered on 29 December 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.243.153.199 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by kagan-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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 136.243.153.199 | 3600s | ns3.itwebhotel.dk | AS24940 | Hetzner Online GmbH | 136.243.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| TXT Record |
|---|
| v=spf1 a mx ip4:136.243.153.199 include:spf.curanet.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com -all |
| Policy | Record (kagan.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:136.243.153.199 include:spf.curanet.dk include:spf.protection.outlook.com include:web.shared.mysmtp.com -all |
| Policy | Record (_dmarc.kagan.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none |
| www | 136.243.153.199 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 10/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101402 |
| Primary NS (MNAME) | ns1.itwebhotel.dk |
| Responsible (RNAME) | hostmaster@kagan.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | ITwebhotel ApS |
| Registered | 2008-12-29 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 18:56:55 shown | 1485ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 12:50:32 | 3170ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 07:07:39 | 1147ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 12:03:46 | 785ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 11:12:01 | 1021ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 02:33:19 | 1156ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 03:42:32 | 1835ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 17:22:58 | 1160ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:59:38 | 1129ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 07:58:16 | 1549ms | 3 NS 1 A 1 MX | 🔓 Insecure |