jtn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 June 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.27.186.15 is hosted by Norlys Telco A/S (AS34705) in Denmark. Mail is handled by jtn.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 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 |
|---|---|---|---|---|---|---|---|
| 85.27.186.15 | 3600s | — | AS34705 | Norlys Telco A/S | 85.27.128.0/17 | 🇩🇰 Denmark | Brønderslev |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | jtn.dk | 85.27.186.15 | — | AS34705 Norlys Telco A/S |
| TXT Record |
|---|
| v=spf1 ip4:85.27.186.15 include:spf.smtp2go.com include:mailgun.org -all |
| Policy | Record (jtn.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:85.27.186.15 include:spf.smtp2go.com include:mailgun.org -all |
| Policy | Record (_dmarc.jtn.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;pct=100;rua=mailto:abuse@jtn.dk; |
| www CNAME | jtn.dk (all on jtn.dk) → 85.27.186.15 (AS34705) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 6/10 · 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 | 2026090901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-06-26 |
| Expires | 2034-06-30 (2812d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 01:10:03 | 1256ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 19:28:30 shown | 2602ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 15:47:21 | 590ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 01:48:44 | 970ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 00:30:13 | 4348ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 00:06:16 | 6839ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 01:56:45 | 707ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 05:37:33 | 8675ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 12:51:33 | 700ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 00:51:13 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 17:37:45 | 2468ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 14:20:06 | 3114ms | 2 NS 1 A 1 MX | 🔒 Secure |