grk-online.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 26 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 150.171.109.241 is hosted by Microsoft Corporation (AS8075) in United States. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 150.171.109.241 | 600s | — | AS8075 | Microsoft Corporation | 150.171.64.0/18 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.dandomain.dk | 212.237.249.50 | mx1.dandomain.dk | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx2.dandomain.dk | 46.36.209.11 | mx2.dandomain.dk | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.dandomain.dk → 212.237.249.98 |
| 🔶 Autoconfig | autoconfig-mf.dandomain.dk → 212.237.249.54 |
| TXT Record |
|---|
| v=spf1 include:spf.dandomain.dk -all |
| Policy | Record (grk-online.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.dandomain.dk -all |
| www CNAME | gomemberpod4-aqgrggd6hebzg5gf.z03.azurefd.net (all on azurefd.net) |
| www vs bare domain | Same network grk-online.dk: 150.171.109.241 (AS8075) www.grk-online.dk: 150.171.109.193 2603:1061:14:c1::1 (AS8075) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · 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 | 2026071403 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2023-06-26 |
| Expires | 2027-06-25 (247d) |
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 |
|---|---|---|---|
| 2026-10-02 22:34:11 shown | 332ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-16 05:16:34 | 894ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-12 02:08:04 | 9050ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-30 14:17:49 | 515ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 09:36:25 | 899ms | 2 NS 1 A 2 MX | 🔒 Secure |