startonline.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 8 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.201 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.201 | 3600s | 201.giga-ptr.232.116.217.in-addr.arpa web1.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 | startonline.dk → 217.116.232.201 |
| 🔶 Autoconfig | startonline.dk → 217.116.232.201 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | startonline.dk (all on startonline.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.startonline.dk | startonline.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@startonline.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-04-08 |
| Expires | 2027-04-30 (191d) |
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 |
|---|---|
| tastyeast.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 06:39:41 | 1314ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-18 06:01:02 | 962ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-16 04:37:23 | 1064ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 12:16:43 | 1087ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 06:02:08 | 800ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 08:26:33 | 1167ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 14:06:28 | 1206ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-15 01:41:55 | 847ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 17:22:11 | 971ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 21:22:22 | 821ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-21 01:18:10 | 7455ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 13:47:31 | 9264ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 23:42:33 | 1109ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-30 23:06:14 | 8997ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 15:56:58 | 1876ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 10:35:52 | 899ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 22:14:30 | 1044ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 20:01:47 | 2769ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 03:04:18 shown | 870ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 22:43:39 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 10:44:48 | 942ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 16:00:32 | 4439ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 23:25:44 | 824ms | 5 NS 1 A 3 MX | 🔓 Insecure |