cndo.dk is a .dk domain served by 5 nameservers (ns1.hurradns.dk, ns2.hurradns.dk, ns3.hurradns.dk and 2 more). It was registered on 16 January 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.cndo.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.cndo.dk | 185.10.223.28 | 185-10-223-28.ip4.fiberby.net | AS42541 Fiberby ApS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | server.cndo.dk → 185.10.223.28 |
| 🔶 Autoconfig | server.cndo.dk → 185.10.223.28 |
| TXT Record |
|---|
| v=DKIM1;t=s;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjQcSRvpI4+cCLfx/KgyHEwqKqMZeq/uYWEB+53ql38f6MrwMRDSWkjayIdC+Oqhfnu/PZrieEtTq4304MHJVFknmLPzs1wrnuTv5lDTzvDvXXfM8uTsHmuJoqL3yyHsx46gFd6dflTk+vMav02g9yEfW5P0A2ukenb0qoStk9HHZ5fUcSFE7Ovt4jCtxjTzv7daY+qhys+mYBusHSAbnEPm6KlBChtW0wHVCxhAztHlxwwa277zvL8XzNMm8oEzVqjJAd3SBguerM4JNmSMS/dI3XkpUbj6h6+HFRZN6Tm8yj9zI+kW+vVAOFgh52zW50rI59V4ik6mTAOG8aShJCwIDAQAB |
| v=spf1 ip4:185.10.223.28 ~all |
| Policy | Record (cndo.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:185.10.223.28 ~all |
| Policy | Record (_dmarc.cndo.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:pc@cndo.dk |
| www CNAME | server.cndo.dk (all on cndo.dk) → 185.10.223.28 (AS42541) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.cndo.dk | server.cndo.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026072504 |
| Primary NS (MNAME) | ns1.hurradns.dk |
| Responsible (RNAME) | hostmaster@hurradns.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | HurraDNS.dk ApS |
| Registered | 1999-01-16 |
| Expires | 2027-03-31 (160d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| fagdata.dk | HurraDNS.dk ApS |
| peblingedossering.dk | HurraDNS.dk ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 15:51:03 shown | 879ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 18:24:26 | 1101ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-15 13:59:15 | 1594ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-25 07:57:56 | 2313ms | 5 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-12 23:52:53 | 11528ms | 5 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-08 20:10:49 | 10103ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 21:40:13 | 1601ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 21:30:05 | 661ms | 2 NS 0 A 1 MX | 🔒 Secure |