Generated: 2026-08-11T08:52:59-05:00
| Status | Check | Points | Details |
|---|---|---|---|
| OK | IPv4 (A) | 30/30 | 1 IPv4 address(es) detected. |
| OK | IPv6 (AAAA) | 10/10 | 1 IPv6 address(es) detected. |
| OK | Name server redundancy | 20/20 | 2 NS record(s); 2 or more required. |
| OK | SOA record | 10/10 | Authoritative zone record. |
| OK | DNSSEC chain | 15/15 | DS and DNSKEY detected. |
| OK | CAA policy | 5/5 | Certificate authority restriction. |
| OK | DNS propagation | 10/10 | Agreement between public resolvers. |
| OK | MX records | 20/20 | 4 MX record(s). |
| ERROR | SPF | 0/25 | SPF policy not found. |
| ERROR | DMARC | 0/25 | DMARC policy not found. |
| ERROR | DKIM | 0/20 | No tested DKIM selector responded. |
| ERROR | MTA-STS | 0/5 | Mail transport policy. |
| ERROR | TLS-RPT | 0/5 | TLS reporting policy. |
| OK | Valid TLS certificate | 55/55 | 70 day(s) remaining. |
| OK | Certificate lifetime | 10/10 | Full points require at least 30 days remaining. |
| WARNING | HTTP security headers | 12/35 | 3 of 9 evaluated headers detected. |
| OK | PTR reverse DNS | 30/30 | PTR: static.seznam.cz |
| WARNING | IPv4 diversity | 20/35 | Two or more IPv4 addresses receive full points. |
| OK | IPv6 connectivity | 35/35 | AAAA availability. |
| OK | DNS resolution | 40/40 | At least one address family must resolve. |
| OK | HTTP response | 40/40 | HTTP/2 200 |
| OK | HTTPS final URL | 20/20 | Final URL uses HTTPS. |
| Tipo | Values |
|---|---|
| A | 77.75.78.173 |
| AAAA | 2a02:598:a::78:173 |
| CNAME | |
| MX | 20 mx2.seznam.cz. 10 mx1.seznam.cz. 50 mx50.seznam.cz. 60 mx60.seznam.cz. |
| TXT | |
| NS | ams.seznam.cz. ans.seznam.cz. |
| SOA | ans.seznam.cz. hostmaster.seznam.cz. 1786222207 900 300 604800 300 |
| CAA | 0 iodef "mailto:abuse-caa@firma.seznam.cz" 0 issue "letsencrypt.org;validationmethods=dns-01" |
| DS | 1594 13 2 A19463D98FF0892FC30145E40B61E3D32764C73DBC78A1D8EA697F66 8FE5887F |
| DNSKEY | 256 3 13 XVysvqN+fNswC9E/E50udmZ4y0/BLBr6Dyerp932ztu0PjojBMsPhpCz QPZFK5svyhQYinf5DrmwcYcBKK2ulA== 257 3 13 XmAePSrzSCqB+BtI1NpGVNsX6g139EgAtxPi+NS0FqjEpbIAy+EkkLKr 6WF+4OcuiR+QhslTMrJo15pOCAHFdA== |
| RRSIG | SOA 13 2 3600 20260820000000 20260730000000 5167 sweb.cz. JOkt6jmVL5kIe42C/67FYEpl/T+8sypm4qjDin3aeqyh59IoZ7NDdlO1 3NagOQ/yzmlB6y35zo+P5l7gdDfNrw== NS 13 2 3600 20260820000000 20260730000000 5167 sweb.cz. r0HQldSlKe8Fgd3JpPWnH0bNFAue6Keu4Af2I4NJQ6gHtI64u25R+XMP MyeYrh2jQKDBj4RhQarZaVojffraew== DS 13 2 3600 20260822201720 20260808184720 5166 cz. k8vi3Pdmq1/+Wcrc0h0rN8fmH3+1+frtskwuqSNovOsJmnQrp0KOFsFV GXZomMZdoYemguFfpca1HV4OQ9AymA== |
| NSEC | |
| NSEC3 | |
| SRV | |
| NAPTR | |
| TLSA | |
| SSHFP |