cj-as.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.247 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by cjas-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.curanet.dk | — | — | — |
| ns2.curanet.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.247 | — | linux6.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| _globalsign-domain-verification=8sOlue2EpLB8Iz2q5cnYhcYk6XVYXlzNG_HKXEOZXY |
| v=spf1 include:spf.protection.outlook.com ip4:5.103.29.209 ip4:5.186.90.80 ip4:128.76.156.211 ip4:80.209.10.100 ip4:152.115.165.134 ip4:109.57.184.96 ip4:95.209.154.61 -all |
| Policy | Record (cj-as.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:5.103.29.209 ip4:5.186.90.80 ip4:128.76.156.211 ip4:80.209.10.100 ip4:152.115.165.134 ip4:109.57.184.96 ip4:95.209.154.61 -all |
| Policy | Record (_dmarc.cj-as.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100 |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-cjas-dk0e._domainkey.cjasdk.onmicrosoft.com | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'cj-as.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2025110401 |
| Primary NS (MNAME) | ns1.curanet.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 02:30:54 | 1019ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 22:05:28 | 1345ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 19:42:30 | 986ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 16:26:54 | 706ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 23:15:49 | 65535ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 21:06:05 shown | 2216ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-16 21:02:00 | 666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 21:01:12 | 779ms | 2 NS 1 A 1 MX | 🔒 Secure |