linux2go.dk is a .dk domain served by 4 nameservers (ns-cloud-a1.googledomains.com, ns-cloud-a2.googledomains.com, ns-cloud-a3.googledomains.com and 1 more). It was registered on 11 July 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.30.252.153 is hosted by GitHub, Inc. (AS36459) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 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 |
|---|---|---|---|---|---|---|---|
| 192.30.252.153 | 300s | lb-192-30-252-153-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| 192.30.252.154 | 300s | lb-192-30-252-154-iad.github.com | AS36459 | GitHub, Inc. | 192.30.252.0/22 | 🇺🇸 United States | — |
| TXT Record |
|---|
| forward-email=sorenisanerd@gmail.com |
| v=spf1amxinclude:spf.forwardemail.netinclude:_spf.google.com-all |
| www CNAME | linux2go.github.io (all on github.io) |
| www vs bare domain | Different networks linux2go.dk: 192.30.252.153 192.30.252.154 (AS36459) (all like this)www.linux2go.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2 |
| Primary NS (MNAME) | ns-cloud-a1.googledomains.com |
| Responsible (RNAME) | cloud-dns-hostmaster@google.com |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 259200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-07-11 |
| Expires | 2031-07-31 (1747d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 14:08:11 | 785ms | 4 NS 2 A 7 MX | 🔓 Insecure |
| 2026-09-30 01:30:59 | 1091ms | 4 NS 2 A 7 MX | 🔓 Insecure |
| 2026-09-05 00:28:12 shown | 10072ms | 4 NS 2 A 7 MX | 🔓 Insecure |
| 2026-06-21 07:38:31 | 777ms | 4 NS 2 A 7 MX | 🔓 Insecure |
| 2026-06-18 00:09:34 | 3121ms | 4 NS 2 A 7 MX | 🔓 Insecure |