tackline.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 1 October 2026 (WHOIS) and first appeared in the .dk zone on 2 October 2026. Its website address 162.159.143.30 is hosted by Cloudflare, Inc. (AS13335) in United States. The zone is DNSSEC-signed and validates, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.143.30 | 3600s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| 172.66.3.26 | 3600s | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 212.237.249.17 |
| 🔶 Autoconfig | 212.237.249.17 |
| TXT Record |
|---|
| google-site-verification=FK1T_-kWjrxiK_xAzoKv3d_czfCLkdCXUT-diG5-_0Y |
| www CNAME | custom-domains.chatgpt.site (all on chatgpt.site) |
| www vs bare domain | Same network tackline.dk: 162.159.143.30 172.66.3.26 (AS13335) www.tackline.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100109 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2026-10-01 |
| Expires | 2027-09-30 (347d) |