book.dk is a .dk domain served by 3 nameservers (ns1.digitalocean.com, ns2.digitalocean.com, ns3.digitalocean.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 161.35.157.106 is hosted by DigitalOcean, LLC (AS14061) in The Netherlands. Mail is handled by alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.digitalocean.com | — | — | — |
| ns2.digitalocean.com | — | — | — |
| ns3.digitalocean.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 161.35.157.106 | — | — | AS14061 | DigitalOcean, LLC | 161.35.0.0/16 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| google-site-verification=Mnya5VvbxpnYztwhYkziNktFfDGGi9zULfKrmbEdvkI |
| v=spf1 include:_spf.google.com include:spf.simply.com ~all |
| Policy | Record (book.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com include:spf.simply.com ~all |
| Policy | Record (_dmarc.book.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:info@book.dk |
| www | 161.35.157.106 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~2048 bit | |
| s1 | s1.domainkey.u29970610.wl111.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u29970610.wl111.sendgrid.net | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: ~all
No problems found| 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 | 0 |
| Primary NS (MNAME) | ns1.digitalocean.com |
| Responsible (RNAME) | hostmaster@book.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:50:55 | 820ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-01 07:19:56 | 965ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-27 19:21:47 | 1123ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-30 15:17:46 | 999ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-27 11:49:26 | 1039ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-26 20:40:32 | 2376ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-23 23:59:37 | 3615ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-23 20:54:37 | 1064ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 19:14:58 | 3114ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-21 15:58:04 | 1041ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 13:05:11 | 3112ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-16 15:55:28 shown | 713ms | 3 NS 1 A 5 MX | 🔓 Insecure |