bytferie.dk is a .dk domain served by 2 nameservers (dawn.ns.cloudflare.com, hank.ns.cloudflare.com). It was registered on 1 November 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.153 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route2.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.27.153 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.142.246 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:8ef6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:1b99 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.27.153,172.67.142.246 ech=AEX+DQBBUgAgACDs5x8qVgVrDDmjuTjxS9P/cEgS5/3nCXj+qfy/z1DXYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8ef6,2606:4700:3037::6815:1b99 |
| TXT Record |
|---|
| google-site-verification=G3usJv-kL86wnefb4daZ9vYvzttnt52llbpfYBBuj5k |
| v=spf1 include:_spf.mx.cloudflare.net include:amazonses.com ~all |
| Policy | Record (bytferie.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net include:amazonses.com ~all |
| Policy | Record (_dmarc.bytferie.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; fo=1:d:s |
| www | 104.21.27.153 172.67.142.246 2606:4700:3031::ac43:8ef6 2606:4700:3037::6815:1b99 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network bytferie.dk: 104.21.27.153 172.67.142.246 2606:4700:3031::ac43:8ef6 2606:4700:3037::6815:1b99 (AS13335) www.bytferie.dk: 104.21.27.153 172.67.142.246 2606:4700:3031::ac43:8ef6 2606:4700:3037::6815:1b99 (AS13335) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| 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 | 2409993916 |
| Primary NS (MNAME) | dawn.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2022-11-01 |
| Expires | 2026-10-31 (6d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 05:32:51 | 1554ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-24 05:06:37 | 1229ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-23 02:44:59 | 866ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-22 18:19:02 | 1874ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-12 13:07:16 | 930ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-29 14:33:48 | 795ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-26 23:06:10 | 862ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-27 12:28:30 | 1945ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-26 11:52:45 | 2287ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-22 08:19:04 | 1798ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-21 03:04:13 shown | 1445ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-20 02:10:02 | 2315ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-16 17:46:45 | 10624ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-01 02:29:00 | 1223ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-16 18:47:22 | 3174ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-16 18:39:45 | 5908ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-16 18:30:13 | 940ms | 2 NS 2 A 3 MX | 🔓 Insecure |