prepping-guide.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, dan.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.245 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by webhotel14.webhosting.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.47.245 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.174.144 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | webhotel14.webhosting.dk | 157.250.160.34 | webhotel14.webhosting.dk | AS3342 Cibicom A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.174.144 |
| 🔶 Autoconfig | 104.21.47.245 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:2ff5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:ae90 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.47.245,172.67.174.144 ech=AEX+DQBBiQAgACBDoCtPguU6eqeRTSUEa9ivEL/5uW3kHN2juQhk6KbeRgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2ff5,2606:4700:3033::ac43:ae90 |
| TXT Record |
|---|
| google-site-verification=d8VVBEA_6bISwZb4TF0REolvLrwgIPiz31atSDZgLoE |
| www | 104.21.47.245 172.67.174.144 2606:4700:3030::6815:2ff5 2606:4700:3033::ac43:ae90 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network prepping-guide.dk: 104.21.47.245 172.67.174.144 2606:4700:3030::6815:2ff5 2606:4700:3033::ac43:ae90 (AS13335) www.prepping-guide.dk: 104.21.47.245 172.67.174.144 2606:4700:3030::6815:2ff5 2606:4700:3033::ac43:ae90 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel14.webhosting.dk | DANE-TA · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| SMTP _25._tcp.webhotel14.webhosting.dk | DANE-EE · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| 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 | 2415205759 |
| Primary NS (MNAME) | barbara.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 07:21:15 | 757ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 01:47:55 shown | 1390ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 05:19:59 | 639ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 20:32:33 | 761ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 03:43:24 | 668ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-22 12:12:20 | 2916ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 08:58:35 | 9002ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 22:09:22 | 911ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 15:33:57 | 895ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 22:26:16 | 814ms | 2 NS 2 A 1 MX | 🔓 Insecure |