cg-gym.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 December 2007 (WHOIS) and 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 cg-gym-dk.mx1.comendosystems.com, cg-gym-dk.mx2.comendosystems.net. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| 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 | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | cg-gym-dk.mx1.comendosystems.com | 192.162.219.255 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| 20 | — | cg-gym-dk.mx2.comendosystems.net | 192.162.219.155 | mx41.electric.net | AS16509 Amazon.com, Inc. |
| TXT Record |
|---|
| v=spf1 a include:spf.protection.outlook.com include:spf.comendosystems.com include:spf.curanet.dk ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:195.225.90.229 ip4:83.91.91.2 -all |
| Policy | Record (cg-gym.dk) |
|---|---|
| -all (hard fail) | v=spf1 a include:spf.protection.outlook.com include:spf.comendosystems.com include:spf.curanet.dk ip4:93.90.117.1/24 ip4:93.90.115.1/24 ip4:195.225.90.229 ip4:83.91.91.2 -all |
| Policy | Record (_dmarc.cg-gym.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; fo=1; rua=mailto:itadm@cg-gym.dk; ruf=mailto:itadm@cg-gym.dk |
| www | 185.21.40.247 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 8/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041805 |
| 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 | 2007-12-22 |
| Expires | 2026-12-31 (67d) |
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).
| Domain | Registrar |
|---|---|
| centrumstudent.dk | Simply.com A/S |
| cg-venner.dk | Punktum dk A/S (direct) |
| chrgym.dk | Punktum dk A/S (direct) |
| christianshavns-gymnasium.dk | Punktum dk A/S (direct) |
| studenticentrum.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 20:40:56 | 904ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 01:26:42 | 725ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 15:48:16 | 1230ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-29 15:32:07 | 1564ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 21:43:40 | 1268ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-10 22:09:37 | 1104ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 04:59:47 | 959ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-17 10:55:52 | 1244ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 06:07:04 | 763ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 18:02:41 | 1322ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-19 00:09:37 | 1363ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 20:16:05 shown | 657ms | 2 NS 1 A 2 MX | 🔒 Secure |