jptrain.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 185.21.40.204 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jptrain-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.204 | 3600s | linux27.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | 185.21.40.204 |
| TXT Record |
|---|
| MS=ms29956563 |
| v=spf1 include:spf.protection.outlook.com -all |
| vpe=f99bac48 |
| Policy | Record (jptrain.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 185.21.40.204 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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-jptrain-dk._domainkey.artex1.q-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-jptrain-dk._domainkey.artex1.q-v1.dkim.mail.microsoft | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091101 |
| 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 |
|---|---|---|---|
| 2026-10-07 18:35:52 shown | 933ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 08:47:40 | 521ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 07:08:09 | 1047ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 01:01:41 | 1401ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 23:37:49 | 1135ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 21:54:28 | 716ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 18:24:23 | 553ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 15:08:47 | 495ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 02:29:43 | 774ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 13:14:13 | 603ms | 2 NS 1 A 2 MX | 🔒 Secure |