h2oblock.dk is a .dk domain served by 5 nameservers (ns-1.dcmediahosting.com, ns-2.dcmediahosting.com, ns-3.dcmediahosting.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.4.60.141 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 46.4.60.141 | 21600s | hz01.t3cms.dk | AS24940 | Hetzner Online GmbH | 46.4.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 86400s | aspmx.l.google.com | 2a00:1450:4009:c0f::1a 64.233.161.26 |
yulhrs-in-f26.1e100.net lh-in-f26.1e100.net |
AS15169 Google LLC AS15169 Google LLC |
| 10 | 86400s | alt1.aspmx.l.google.com | 142.250.102.27 2404:6800:4003:c26::1a |
rb-in-f27.1e100.net so-in-f26.1e100.net |
AS15169 Google LLC AS15169 Google LLC |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.4.60.141 |
| 🔶 Autoconfig | 46.4.60.141 |
| TXT Record |
|---|
| google-site-verification=j6oFBobQVXGThC-Apex0Nd3hhMslOtqb7qhXD3vyE0o |
| v=spf1 ip4:46.4.60.141 ip4:81.27.222.84 ip4:195.242.130.82 ip4:185.121.173.20 a mx include:u1787805.wl056.sendgrid.net include:_spf.dcmediahosting.com ~all |
| Policy | Record (h2oblock.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:46.4.60.141 ip4:81.27.222.84 ip4:195.242.130.82 ip4:185.121.173.20 a mx include:u1787805.wl056.sendgrid.net include:_spf.dcmediahosting.com ~all |
| www | 46.4.60.141 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u1787805.wl056.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u1787805.wl056.sendgrid.net | RSA · ~1024 bit below 2048 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: 7/10 · policy: ~all
No problems found| 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 | 2020051418 |
| Primary NS (MNAME) | ns-1.dcmediahosting.com |
| Responsible (RNAME) | jakob@t3cms.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 22:10:08 | 668ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-25 20:31:54 | 9555ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-31 20:56:14 | 2547ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 17:51:15 shown | 1246ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 10:15:09 | 2581ms | 5 NS 1 A 2 MX | 🔓 Insecure |