katolsk.dk is a .dk domain served by 2 nameservers (ajay.ns.cloudflare.com, pola.ns.cloudflare.com). It was registered on 31 January 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.237.102.141 is hosted by UpCloud Ltd (AS202053) in Germany. 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 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 |
|---|---|---|---|---|---|---|---|
| 94.237.102.141 | 300s | fipa.barani.io | AS202053 | UpCloud Ltd | 94.237.96.0/20 | 🇩🇪 Germany | Frankfurt am Main |
| 94.237.94.6 | 300s | fipb.barani.io | AS202053 | UpCloud Ltd | 94.237.64.0/19 | 🇩🇪 Germany | Frankfurt am Main |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 178.72.16.22 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | mail.katolsk.dk |
| TXT Record |
|---|
| MS=ms17961806 |
| ms=ms52306575 |
| MS=ms54105292 |
| MS=ms73768349 |
| v=spf1 include:_spf.mlsend.com include:sendgrid.net include:_spf.xtracon.dk include:_spf.centerasecurity.dk include:servers.mcsv.net include:spf.mailjet.com include:spf.mailanyone.net mx a -all |
| Policy | Record (katolsk.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.mlsend.com include:sendgrid.net include:_spf.xtracon.dk include:_spf.centerasecurity.dk include:servers.mcsv.net include:spf.mailjet.com include:spf.mailanyone.net mx a -all |
| Policy | Record (_dmarc.katolsk.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject;rua=mailto:dmarc-reports@katolsk.dk;fo=1 |
| www CNAME | waf.barani.io (all on barani.io) |
| www vs bare domain | Same network katolsk.dk: 94.237.102.141 94.237.94.6 (AS202053) www.katolsk.dk: 94.237.102.141 94.237.94.6 (AS202053) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | 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: 10/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.katolsk.dk | 4ePt8fZWerE-7nHyd3JsBWLU5fz7ziLOWdSreBkZrgM |
| TXT | _acme-challenge.katolsk.dk | xyRkKG8IwbBRIbx72k6_PRK3nazEEWD-6E22L-sM2c0 |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2416437297 |
| Primary NS (MNAME) | ajay.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 1997-01-31 |
| Expires | 2027-03-31 (163d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 18:15:10 | 1867ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-03 06:30:31 shown | 2564ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 06:10:36 | 1618ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-23 03:38:39 | 1470ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-19 19:40:32 | 1400ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-15 06:32:21 | 1752ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-09-08 01:39:37 | 1873ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-27 09:52:39 | 801ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-07 11:12:01 | 2758ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-08-03 05:16:49 | 1473ms | 2 NS 3 A 3 MX | 🔓 Insecure |
| 2026-07-12 02:25:59 | 3533ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-07-06 09:48:03 | 1964ms | 2 NS 4 A 3 MX | 🔓 Insecure |
| 2026-06-17 14:33:12 | 3870ms | 2 NS 4 A 3 MX | 🔓 Insecure |