blackbook.dk is a .dk domain served by 2 nameservers (lana.ns.cloudflare.com, ram.ns.cloudflare.com). It was registered on 12 October 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.209 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx01.mail.icloud.com, mx02.mail.icloud.com and 1 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 |
|---|---|---|---|---|---|---|---|
| 104.21.8.209 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.130.164 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.8.209,172.67.130.164 ech=AEX+DQBBOgAgACBN0zaJ9xHSYPdWMiJpseyYcXPTkV0mBQzXrZNRlyQ8TQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= |
| TXT Record |
|---|
| apple-domain=oOoVOomMhwoGlTcO |
| google-site-verification=3axHeftPnz0kNtEeqtCCAvGsy9ufHfFf79NL2PltxTY |
| v=spf1 include:icloud.com ~all |
| v=spf1 mx include:_spf.dcmediahosting.com ~all |
| Policy | Record (blackbook.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| ~all (soft fail) | v=spf1 mx include:_spf.dcmediahosting.com ~all |
| www CNAME | 29620bc4bcc7850d.vercel-dns-016.com (all on vercel-dns-016.com) |
| www vs bare domain | Same network blackbook.dk: 216.150.1.1 216.150.16.1 (AS16509) www.blackbook.dk: 216.150.1.193 216.150.16.193 (AS16509) |
| Wildcard | No |
DNS lookups: 5/10 · policy: ~all
| 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 | 2406010647 |
| Primary NS (MNAME) | lana.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 | 1998-10-12 |
| Expires | 2026-12-31 (75d) |
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 |
|---|---|
| 141.dk | Punktum dk A/S (direct) |
| villavillage.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 17:19:47 | 653ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-01 06:27:14 | 2289ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 06:19:33 | 671ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-27 19:30:05 | 9866ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-24 06:06:14 | 1035ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-17 08:36:04 | 2745ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-09 02:33:29 | 1097ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-03 13:45:42 | 3974ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-20 10:25:32 | 1706ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-02 02:23:17 | 1595ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-23 06:18:21 | 4826ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-21 17:12:13 | 1174ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 23:52:15 shown | 1078ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-16 14:45:33 | 919ms | 2 NS 2 A 3 MX | 🔓 Insecure |