gudonline.dk is a .dk domain served by 2 nameservers (ns1.elcomp.dk, ns2.elcomp.dk). It was registered on 9 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.elcomp.dk. The zone is not DNSSEC-signed, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.elcomp.dk | 82.147.229.23 | 82.147.229.23.dk-tv.net | AS15516 DKTV A/S |
| ns2.elcomp.dk | 82.147.229.23 82.147.229.24 |
82.147.229.23.dk-tv.net 82.147.229.24.dk-tv.net |
AS15516 DKTV A/S AS15516 DKTV A/S |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | mail.elcomp.dk | 82.147.229.33 | mail.elcomp.dk | AS15516 DKTV A/S |
| TXT Record |
|---|
| google-site-verification=-8bp_JdEOFgwhMKVlsIYrH5yNSl6nyLdbQ4XHJsndyU |
| v=spf1 ip4:62.61.136.0/24 ip4:82.147.229.0/24 ~all |
| Policy | Record (gudonline.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:62.61.136.0/24 ip4:82.147.229.0/24 ~all |
| Policy | Record (_dmarc.gudonline.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=none; rua=mailto:cv1zdpyr@ag.dmarcian-eu.com |
| www CNAME | www.elcomp.dk (all on elcomp.dk) → 82.147.229.33 (AS15516) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~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: 0/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2024032008 |
| Primary NS (MNAME) | ns1.elcomp.dk |
| Responsible (RNAME) | hostmaster@elcomp.dk |
| Refresh | 600s |
| Retry | 7200s |
| Expire | 3800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-11-09 |
| Expires | 2026-11-30 (42d) |
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 |
|---|---|
| bandplan.dk | Punktum dk A/S (direct) |
| elcomp.dk | Punktum dk A/S (direct) |
| soundshare.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 05:11:43 shown | 4514ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-27 03:42:06 | 7721ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:09:41 | 7995ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-04 16:02:21 | 16698ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:59:00 | 1883ms | 2 NS 0 A 1 MX | ⚠️ Bogus |