smartbooks.dk is a .dk domain served by 2 nameservers (lisa.ns.cloudflare.com, newt.ns.cloudflare.com). It was registered on 7 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.29.144 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.29.144 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.149.68 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:9544 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::6815:1d90 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.29.144,172.67.149.68 ech=AEX+DQBBHgAgACD18ly7G1p1IulJTZT11QctS3vZ3BZkouIrD0fBAfHgLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9544,2606:4700:3031::6815:1d90 |
| TXT Record |
|---|
| facebook-domain-verification=isj57pirjtjxkp8gzf5dy8vvta7uml |
| google-site-verification=gd0lBrTMfnni0Lg1i01u0K2pzjpYlTK50vSsMstcUek |
| www | 104.21.29.144 172.67.149.68 2606:4700:3030::ac43:9544 2606:4700:3031::6815:1d90 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network smartbooks.dk: 104.21.29.144 172.67.149.68 2606:4700:3030::ac43:9544 2606:4700:3031::6815:1d90 (AS13335) www.smartbooks.dk: 104.21.29.144 172.67.149.68 2606:4700:3030::ac43:9544 2606:4700:3031::6815:1d90 (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.smartbooks.dk | wa7bE6OQzt7fyU_QqloGKPSS0r9Eu5LDvA7vIn0mcds |
| 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 | 2416965169 |
| Primary NS (MNAME) | lisa.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 | 2021-02-07 |
| Expires | 2027-02-28 (132d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 06:55:49 shown | 730ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 02:54:21 | 574ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 01:35:34 | 477ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 06:08:00 | 548ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 16:37:49 | 1680ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 16:19:54 | 601ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 01:32:00 | 645ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-31 15:26:03 | 2610ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 20:44:12 | 624ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-11 12:13:49 | 3965ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-25 21:46:22 | 803ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-14 11:42:12 | 1010ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-08 23:22:08 | 25997ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 14:45:40 | 2201ms | 2 NS 2 A 0 MX | 🔓 Insecure |