cancer.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.114.94.2 is hosted by Optimizely AB (AS30811) in Sweden. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.eurodns.com | — | — | — |
| ns2.eurodns.com | — | — | — |
| ns3.eurodns.com | — | — | — |
| ns4.eurodns.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.114.94.2 | — | — | AS30811 | Optimizely AB | 217.114.94.0/24 | 🇸🇪 Sweden | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a00:1c50:94::2 | — | — | AS30811 | Optimizely AB | 2a00:1c50:94:0:0:0:0:0/48 | 🇸🇪 Sweden | — |
| TXT Record |
|---|
| apple-domain-verification=6KdcuLkVLJDyzq2s |
| atlassian-domain-verification=GGTbLSDoa7DPksHETNSTcu/2jezTa6tFzJn1h3ldNiSDtyrrpalxGO4QCWlJH/oT |
| bJmgRJxqIIyvGD0B6GkS0mDYlz8u3YXIFAMtMzFxIzg= |
| globalsign-domain-verification=NG3mV3-7XOLrSgXkX3iNvcwZz5Pg1Td0nHJrDUuD7x |
| google-site-verification=QCr9twmBCuDXD5YAh6gkIWKVdTKT28Y7AlUsQNSYJvA |
| linkedin-site-verification=32d9718d-f983-4760-98c7-f912c394f0bb |
| MS=ms76604940 |
| qQ+WGPABXRjURvTX8GkNXfLmJ9iK1pUxAoym6J/N1CB2Gr06CMTgOKIu6wDhj9A3fY2ENfrZ6P5QPcQGD2xEjA== |
| v=spf1 ip4:194.182.150.217 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:wannafind.cancer.dk include:mail.zendesk.com include:spf-a.cancer.dk include:konformit.com include:spf.mandrillapp.com include:spf.onemarketing.dk include:bounce.peytz.dk include:_spf.centerasecurity.dk -all |
| Policy | Record (cancer.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:194.182.150.217 include:eu._netblocks.mimecast.com include:spf.protection.outlook.com include:wannafind.cancer.dk include:mail.zendesk.com include:spf-a.cancer.dk include:konformit.com include:spf.mandrillapp.com include:spf.onemarketing.dk include:bounce.peytz.dk include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.cancer.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:6154471c71a3e@dmarc.centerasecurity.com; |
| www CNAME | www.cancer.dk.dxcloud.episerver.net (all on episerver.net) |
| www vs bare domain | Different networks cancer.dk: 217.114.94.2 2a00:1c50:94::2 (AS30811) (all like this)www.cancer.dk: 104.18.43.253 172.64.144.3 2606:4700:4408::ac40:9003 2a06:98c1:3101::6812:2bfd (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u28996904.wl155.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u28996904.wl155.sendgrid.net | 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: 10/10 · policy: -all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026052701 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:45:33 | 4619ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-07 23:06:38 | 4613ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 15:56:45 | 4837ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 15:29:12 | 16997ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 18:45:47 | 5229ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 05:58:27 | 13674ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 05:24:52 | 4917ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 03:17:39 | 4746ms | 4 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 19:10:32 shown | 5133ms | 4 NS 1 A 3 MX | 🔓 Insecure |