rolfmadsen.dk is a .dk domain served by 2 nameservers (ns1.vercel-dns.com, ns2.vercel-dns.com). It was registered on 27 June 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 |
|---|---|---|---|---|---|---|---|
| 216.198.79.1 | — | — | AS16509 | — | — | — | — |
| 64.29.17.65 | — | — | AS16509 | — | — | — | — |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog |
| 0 | issue | sectigo.com |
| www | 216.198.79.1 216.198.79.65 (AS16509) (address records, no CNAME) |
| www vs bare domain | Same network rolfmadsen.dk: 216.198.79.1 64.29.17.65 (AS16509) www.rolfmadsen.dk: 216.198.79.1 216.198.79.65 (AS16509) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 1654632574 |
| Primary NS (MNAME) | ns1.vercel-dns.com |
| Responsible (RNAME) | hostmaster@nsone.net |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2020-06-27 |
| Expires | 2027-06-30 (250d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 08:44:47 | 594ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 01:10:34 | 597ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 19:25:10 | 664ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 17:34:36 shown | 1208ms | 2 NS 2 A 0 MX | 🔓 Insecure |