ctklinikken.dk is a .dk domain served by 2 nameservers (ns1.brandbyhand.dk, ns2.brandbyhand.dk). It was registered on 28 September 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.248.244.101 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by ctklinikken-dk.mail.protection.outlook.com, mx1-dk.centerasecurity.dk and 2 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.248.244.101 | 600s | 1570827.cloudwaysapps.com | AS14061 | DigitalOcean, LLC | 104.248.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 104.248.244.101 |
| TXT Record |
|---|
| centera-verification=f11b093acfd4c13e13332e6e8a6f9fd22b82215f |
| globalsign-domain-verification=bVaUqzVzHXTJ8sl6hQKbgmLjo1smrWWgQlA8Vv9jz3 |
| google-site-verification=k8QS_zlozyGutqjd_b9IaNd3s1j07uvhuRr_aqRlqMI |
| MS=ms58202500 |
| MS=ms64699615 |
| P-tSLqLs8ngm |
| v=spf1 a a:small.massmail.scannet.dk ip4:195.69.128.87 ip4:77.243.130.215 ip4:77.66.38.185 ip4:77.66.38.166 include:mailgun.org include:spf.protection.outlook.com include:curanet.dk include:spf.permido.com -all |
| Policy | Record (ctklinikken.dk) |
|---|---|
| -all (hard fail) | v=spf1 a a:small.massmail.scannet.dk ip4:195.69.128.87 ip4:77.243.130.215 ip4:77.66.38.185 ip4:77.66.38.166 include:mailgun.org include:spf.protection.outlook.com include:curanet.dk include:spf.permido.com -all |
| www | 104.21.79.88 172.67.169.108 2606:4700:3034::ac43:a96c 2606:4700:3035::6815:4f58 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network ctklinikken.dk: 104.21.79.88 172.67.169.108 2606:4700:3034::ac43:a96c 2606:4700:3035::6815:4f58 (AS13335) www.ctklinikken.dk: 104.21.79.88 172.67.169.108 2606:4700:3034::ac43:a96c 2606:4700:3035::6815:4f58 (AS13335) |
| Wildcard | No |
DNS lookups: 19/10 · policy: -all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026060902 |
| Primary NS (MNAME) | ns1.brandbyhand.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Openprovider |
| Registered | 2026-09-28 |
| Expires | 2027-09-27 (340d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 22:59:50 | 1441ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 22:36:00 | 473ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 09:03:30 | 546ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-29 08:51:07 | 567ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-26 15:38:05 | 243ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-25 15:29:22 | 225ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-24 15:19:07 | 227ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-23 14:51:10 | 213ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-17 13:40:00 | 295ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-12 17:13:23 | 341ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-06 11:24:46 | 211ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-03 13:06:09 | 298ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-31 11:58:13 | 586ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-30 10:58:25 | 325ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-29 03:02:30 | 204ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 13:58:46 | 183ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-26 13:42:01 | 1122ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-29 06:10:03 | 1197ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 13:54:58 shown | 1011ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 21:44:02 | 1064ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 23:10:28 | 3019ms | 2 NS 1 A 4 MX | 🔒 Secure |