| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.47.191 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.172.34 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.preuthun.dk | 185.107.13.168 | 185-107-13-168.static.kviknet.net | AS204151 EWII Bredbaand A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:2fbf | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:ac22 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.47.191,172.67.172.34 ech=AEX+DQBBQAAgACDKJR7kX9UV9stRW82GOY7Z3p4hoTi4sL6UXw7+QeBoPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2fbf,2606:4700:3035::ac43:ac22 |
| TXT Record |
|---|
| apple-domain=7izc09tghuj6gD7z |
| ca3-8aaaad86423448cead2d9fc2e4f5bcd3 |
| v=spf1 a mx -all |
| Policy | Record (preuthun.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx -all |
| Policy | Record (_dmarc.preuthun.dk) |
|---|---|
| p=quarantine | v=DMARC1;p=quarantine;rua=mailto:admin@preuthun.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413511614 |
| Primary NS (MNAME) | archer.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-30 14:22:27 | 2362ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-27 03:06:26 | 608ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-08 09:38:29 | 18021ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-12 08:44:41 | 1135ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-01 11:50:12 | 936ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-25 00:33:47 | 2600ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-23 17:55:54 | 1167ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-20 12:12:51 | 3444ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-18 03:11:41 | 955ms | 2 NS 2 A 1 MX | 🔒 Secure | View |