studenterboghandel.dk is a .dk domain served by 2 nameservers (lee.ns.cloudflare.com, phoenix.ns.cloudflare.com). It was registered on 25 January 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.79.39 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.79.39 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.141.233 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.79.39,172.67.141.233 ech=AEX+DQBBDAAgACD2tpX44dE776O1qEe4pBYcf9gV2sYonx2xzeulGUbiNgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8de9,2606:4700:3036::6815:4f27 |
| www | 104.21.79.39 172.67.141.233 2606:4700:3030::6815:4f27 2606:4700:3034::ac43:8de9 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network studenterboghandel.dk: 104.21.79.39 172.67.141.233 2606:4700:3030::6815:4f27 2606:4700:3034::ac43:8de9 (AS13335) www.studenterboghandel.dk: 104.21.79.39 172.67.141.233 2606:4700:3030::6815:4f27 2606:4700:3034::ac43:8de9 (AS13335) |
| Wildcard | No |
| 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 | 2406473248 |
| Primary NS (MNAME) | lee.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2010-01-25 |
| Expires | 2027-01-31 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 22:18:57 | 351ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 22:10:29 | 667ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 21:48:36 | 1120ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 21:44:57 | 569ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 21:17:10 | 600ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 21:12:46 | 1137ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-16 19:53:25 | 1308ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-06 06:07:49 | 1719ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 21:33:14 | 9649ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-21 14:41:07 | 867ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 18:40:55 shown | 1133ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 10:47:31 | 571ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 14:35:28 | 2278ms | 2 NS 2 A 0 MX | 🔓 Insecure |