gchc.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 5 October 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.187 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by gchc-dk.mail.protection.outlook.com, mx.simply.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.231.103.187 | — | linux164.unoeuro.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| google-site-verification=jiZtzOEuwwFjNv02450KyRvClnZsoV9xnnplOunf63Q |
| v=spf1 include:spf.simply.com include:spf.protection.outlook.com -all |
| Policy | Record (gchc.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com include:spf.protection.outlook.com -all |
| www | 94.231.103.187 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025082106 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2020-10-05 |
| Expires | 2027-10-31 (378d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 14:19:36 | 999ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-03 02:59:10 | 2463ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 02:46:20 | 1087ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 10:09:44 | 983ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 05:08:47 | 1142ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 17:02:40 | 982ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 01:57:06 | 1184ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:49:09 shown | 1041ms | 3 NS 1 A 2 MX | 🔒 Secure |