jcg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.137 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod5-cph3.one.com, mx2.pub.mailpod5-cph3.one.com and 1 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.137 | 3600s | webcluster10.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod5-cph3.one.com | 185.164.14.54 | mx1.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod5-cph3.one.com | 185.164.14.55 | mx2.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod5-cph3.one.com | 185.164.14.56 | mx3.pub.mailpod5-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 77.111.240.137 |
| 🔶 Autoconfig | 77.111.240.137 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:4a:7af4:5e0a:7e2d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.148 2a02:2350:5:102:a2:558b:4ecd:b997 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network jcg.dk: 77.111.240.148 2a02:2350:5:102:a2:558b:4ecd:b997 (AS51468) www.jcg.dk: 77.111.240.148 2a02:2350:5:102:a2:558b:4ecd:b997 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com | DANE-EE · SPKI · SHA-256 | D8DFA3FF2BFC8029FC54CAE58297D988… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061805 |
| 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 | ONE.COM A/S |
| Registered | 2002-07-03 |
| Expires | 2027-09-30 (346d) |
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 |
|---|---|---|---|
| 2026-10-16 23:31:17 | 743ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-15 22:07:43 | 1696ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 14:38:03 | 810ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-08 12:49:47 | 2546ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 11:55:41 | 774ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 19:05:36 | 2069ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-14 22:48:21 | 9012ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-06 18:01:14 | 4779ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-16 10:27:31 | 799ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-10 09:07:46 | 2497ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-01 13:51:05 shown | 834ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-21 00:38:49 | 1103ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-18 05:53:37 | 683ms | 2 NS 1 A 3 MX | 🔒 Secure |