gk.dk is a .dk domain served by 3 nameservers (ns1.hyp.net, ns2.hyp.net, ns3.hyp.net). It was registered on 12 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 151.101.131.52 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by gk-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 151.101.131.52 | 300s | — | AS54113 | Fastly, Inc. | 151.101.0.0/16 | 🇺🇸 United States | — |
| 151.101.195.52 | 300s | — | AS54113 | Fastly, Inc. | 151.101.0.0/16 | 🇺🇸 United States | — |
| 151.101.3.52 | 300s | — | AS54113 | Fastly, Inc. | 151.101.0.0/16 | 🇺🇸 United States | — |
| 151.101.67.52 | 300s | — | AS54113 | Fastly, Inc. | 151.101.0.0/16 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 0 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 9a6a7b17e6e41289ed167c44e4b7f4fc |
| apple-domain-verification=NWzKy7EB7NLXqqHR |
| atlassian-domain-verification=hpwPiG3IrAAVUNlUWZvaqDk20TgspfwIhTQairMkcsHQeBxQHB3Nrr1y9JHoIMGj |
| e39d7a0q595fdi4tkhlspfr7tu |
| facebook-domain-verification=2zg8rq92b3vfzr4k2r7busa3pbz4iv |
| globalsign-domain-verification=PrNpgSxL78bNyuYJhuWCH5oRuGKLfvv-YtJyW9erst |
| google-site-verification=ght5-CLHaQ2U7_fr00yHTR8AdYFfIGAq2xQsHKUNADg |
| ipeoR0V049E26k3VukYpjaZdT0bQHRNnccFyCy4LPMFnR7ME+KpLAie5ahucFcKaTt0iuaBL7iTz59fBiGKxow== |
| mzHLOt6ac/7kGIjIYXCkpMF7M5SH/g+xgAFJRldv9CFiihIbNStpFRwyJJbPJ4xxYEGXs6lEB2ExFHCxiXsjVQ== |
| rneDxEM |
| rOJ0KPi |
| rup2brjkc8202qcsg9rrkvlrha |
| v=spf1 ip4:62.92.122.128/25 include:sharepointonline.com include:spf.protection.outlook.com -all |
| Policy | Record (gk.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:62.92.122.128/25 include:sharepointonline.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.gk.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:dmarc@gk.dk;fo=1 |
| www CNAME | cdn.enonic.cloud (all on enonic.cloud) |
| www vs bare domain | Same network gk.dk: 151.101.131.52 151.101.195.52 151.101.3.52 151.101.67.52 (AS54113) www.gk.dk: 199.232.43.52 2a04:4e42:47::820 (AS54113) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u19364209.wl210.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u19364209.wl210.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-gk-dk._domainkey.gknett.onmicrosoft.com | RSA · ~1024 bit below 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: 7/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.gk.dk | 3h3zrciak3giizvwt4.fastly-validations.com |
| TXT | 3h3zrciak3giizvwt4.fastly-validations.com | D1OoRuMT1Ua1LBFNCrSqoTghgwPSvdLiwnU-hXemVO4 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1781394668 |
| Primary NS (MNAME) | ns1.hyp.net |
| Responsible (RNAME) | hostmaster@domeneshop.no |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Domeneshop AS |
| Registered | 1997-02-12 |
| Expires | 2027-03-31 (163d) |
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 |
|---|---|
| nordfalksikring.dk | Domeneshop AS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 03:12:17 | 1518ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-10-13 02:25:14 | 1520ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-10-03 14:32:39 | 1199ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-29 23:14:52 | 1283ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-25 19:19:10 | 1017ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-09-18 13:45:04 | 2440ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-25 06:53:50 | 1169ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-03 11:26:53 | 1134ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-07-08 15:11:08 | 16913ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-07-02 11:25:19 shown | 1603ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-20 20:02:53 | 980ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-06-20 04:52:42 | 2834ms | 3 NS 4 A 1 MX | ⚠️ Bogus |
| 2026-06-17 09:37:42 | 2014ms | 3 NS 4 A 1 MX | 🔒 Secure |