friis-optik.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 7 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.221 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.116.232.221 | 3600s | 221.giga-ptr.232.116.217.in-addr.arpa web21.gigahost.dk |
AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | friis-optik.dk → 217.116.232.221 |
| 🔶 Autoconfig | friis-optik.dk → 217.116.232.221 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | friis-optik.dk (all on friis-optik.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.friis-optik.dk | friis-optik.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026062501 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@friis-optik.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 1998-06-07 |
| Expires | 2027-06-30 (254d) |
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 |
|---|---|
| friisoptik.dk | Simply.com A/S |
| friisshop.dk | Punktum dk A/S (direct) |
| graversensminde.dk | Punktum dk A/S (direct) |
| kontaktlinseshoppen.dk | GIGAHOST ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 18:10:29 | 810ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 16:42:08 | 1081ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 09:20:38 | 2107ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 07:52:27 | 1022ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-22 01:47:50 | 3876ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-17 04:10:40 | 1332ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 22:13:30 | 1114ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 18:37:05 | 698ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 17:26:28 | 750ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 16:05:10 | 1171ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 03:24:25 | 7084ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 20:12:37 | 3492ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 15:52:11 | 9351ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-30 13:24:14 | 1139ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 05:13:15 | 986ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 20:31:31 | 1068ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 04:25:02 | 1304ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 14:30:39 | 5881ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-29 16:49:36 | 852ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 07:34:49 shown | 2056ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 07:00:21 | 1202ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 16:56:32 | 880ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 07:14:04 | 3261ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 09:30:39 | 717ms | 5 NS 1 A 3 MX | 🔓 Insecure |