blockworld.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 128.140.100.69 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by hello.mailray.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 128.140.100.69 | 360s | static.69.100.140.128.clients.your-server.de | AS24940 | Hetzner Online GmbH | 128.140.0.0/17 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | hello.mailray.dk | 91.226.144.158 | hello.mailray.dk | AS216275 Netnoerden ApS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | hello.mailray.dk → 91.226.144.158 |
| 🔶 Autoconfig | hello.mailray.dk → 91.226.144.158 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imap._tcp | 1 | 1 | 143 | hello.mailray.dk |
| _imaps._tcp | 1 | 1 | 993 | hello.mailray.dk |
| TXT Record |
|---|
| v=spf1 mx a:hello.mailray.dk ~all |
| Policy | Record (blockworld.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a:hello.mailray.dk ~all |
| Policy | Record (_dmarc.blockworld.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:admin@mailray.dk; ruf=mailto:admin@mailray.dk; adkim=s; aspf=s |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | 128.140.100.69 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA Invalid key data — receivers can't verify signatures |
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
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 00:49:48 shown | 2665ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 08:15:01 | 1831ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 12:48:22 | 2608ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 15:10:31 | 2658ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 23:45:56 | 1857ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 14:50:22 | 588ms | 4 NS 1 A 1 MX | 🔒 Secure |