isms-online.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 3 February 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.220 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.220 | 3600s | 220.giga-ptr.232.116.217.in-addr.arpa web20.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 | isms-online.dk → 217.116.232.220 |
| 🔶 Autoconfig | isms-online.dk → 217.116.232.220 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | isms-online.dk (all on isms-online.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.isms-online.dk | isms-online.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 | 2026080601 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@isms-online.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-02-03 |
| Expires | 2027-02-28 (130d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 18:45:49 | 919ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 21:38:51 | 1064ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 19:10:55 | 688ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 18:55:48 | 1046ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 17:07:52 | 831ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 22:44:57 | 890ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-06 18:46:47 | 1194ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 15:58:50 | 855ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-25 05:50:31 | 9670ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 04:39:07 | 7671ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 04:32:24 | 4068ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 08:10:40 shown | 9759ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-31 16:16:26 | 2959ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 20:50:58 | 1769ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-16 21:02:24 | 1120ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-10 13:53:51 | 2048ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 12:01:18 | 978ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-29 16:47:25 | 834ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 22:21:15 | 837ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 11:50:44 | 7585ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 22:16:39 | 1196ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 13:59:40 | 1793ms | 5 NS 1 A 3 MX | 🔓 Insecure |