jjtc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 212.237.182.190 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.jjtc.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 |
|---|---|---|---|---|---|---|---|
| 212.237.182.190 | 43200s | jjtc.dk | AS204151 | EWII Bredbaand A/S | 212.237.176.0/21 | 🇩🇰 Denmark | Middelfart |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 43200s | mail.jjtc.dk | 212.237.182.190 | jjtc.dk | AS204151 EWII Bredbaand A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 212.237.182.190 |
| 🔶 Autoconfig | jjtc.dk → 212.237.182.190 |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (jjtc.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| Policy | Record (_dmarc.jjtc.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:admin@jjtc.dk |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:admin@jjtc.dk |
| 0 | issue | letsencrypt.org |
| www CNAME | jjtc.dk (all on jjtc.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | 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 | 2026071001 |
| 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 | 2007-01-09 |
| Expires | 2035-01-31 (3022d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 13:24:15 | 1706ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 10:26:38 | 936ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:22:16 | 628ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 22:56:23 | 1124ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 19:18:42 | 818ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 07:02:29 | 5010ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 01:55:46 | 950ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 17:29:01 shown | 1046ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 10:55:56 | 702ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-19 07:00:56 | 809ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 03:08:42 | 944ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 15:29:36 | 683ms | 2 NS 1 A 1 MX | 🔒 Secure |