visionvz.dk is a .dk domain served by 2 nameservers (clay.ns.cloudflare.com, erin.ns.cloudflare.com). It was registered on 1 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.1.209 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx2.vzmail.de. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.1.209 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.129.237 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx2.vzmail.de | 148.251.172.19 2a01:4f8:2210:2a1e:100::200 |
static.19.172.251.148.clients.your-server.de — |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mx2.vzmail.de → 148.251.172.19 |
| 🔶 Autoconfig | mx2.vzmail.de → 148.251.172.19 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:1d1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:81ed | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.1.209,172.67.129.237 ech=AEX+DQBBvgAgACBweY36Jk+IMXpd7bfdo77EYDdLEQeJCuEjWOlbqBv3XwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1d1,2606:4700:3037::ac43:81ed |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | mx2.vzmail.de |
| TXT Record |
|---|
| v=spf1 include:vzmail.de -all |
| Policy | Record (visionvz.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:vzmail.de -all |
| Policy | Record (_dmarc.visionvz.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:mailstatus@visitnet.de |
| Check | Result |
|---|---|
| Status | ⚠️ Invalid |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✗ Missing / invalid |
| Policy ID | 20261002003224 |
| Policy MX | — |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:mailstatus@visitnet.de |
| www | Exists, no address |
| www vs bare domain | www does not resolve visionvz.dk: 104.21.1.209 172.67.129.237 2606:4700:3033::6815:1d1 2606:4700:3037::ac43:81ed (AS13335) (all like this)www.visionvz.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~4096 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
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx2.vzmail.de | DANE-EE · SPKI · SHA-256 | 023314EC3E59E53A967EDA5B1CF85A5F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417149435 |
| Primary NS (MNAME) | clay.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Ovh |
| Registered | 2025-07-01 |
| Expires | 2027-06-30 (253d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 09:18:33 shown | 9964ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-04 04:39:12 | 10738ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-10-02 04:36:10 | 1474ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-28 03:37:15 | 9744ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-20 16:05:07 | 916ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-13 23:10:24 | 2014ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-09-06 23:48:20 | 2068ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-22 00:40:10 | 15538ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-17 21:19:01 | 9696ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-08-13 05:21:41 | 9363ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-07-25 01:48:26 | 17241ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-30 11:33:59 | 1249ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-28 02:49:48 | 1874ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-27 23:12:37 | 1039ms | 2 NS 2 A 1 MX | 🔒 Secure |
| 2026-06-17 14:19:50 | 2195ms | 2 NS 2 A 1 MX | 🔒 Secure |