DNS report for zsmsdoubravnik.cz

This report was generated 1 week ago. Refresh?
A+
Connectivity
100%
Performance
100%
Resilience & Security
100%
DNS records
100%
Proud of your DNS score? Share it with the world!

Connectivity: 100%

The following nameservers are available and responding correctly for DNS queries for your domain zsmsdoubravnik.cz.

Nameserver IP address(es) SOA serial
ns.onebit.cz. 81.31.45.112
2a01:430:13::112
2022081801
ns.onebit.eu. 95.129.97.160
2a02:e98:0:2006::5f81:61a0
2022081801
ns.onebit.org. 85.118.129.55
2a01:430:203:2::55
2022081801

Good news, no warnings or errors were found.

We could not find any recommendations at this time.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • All nameservers reply with the same SOA serial number.
  • The nameserver IPs are distributed across multiple subnets.
  • All nameservers are online.
  • Nameservers are available over IPv4.
  • Nameservers are available over IPv6.

Performance: 100%

We tested each nameserver and measured the following response times.

Nameserver IP address(es) Response time
ns.onebit.cz. 81.31.45.112
2a01:430:13::112
27ms
31ms
ns.onebit.eu. 95.129.97.160
2a02:e98:0:2006::5f81:61a0
35ms
27ms
ns.onebit.org. 85.118.129.55
2a01:430:203:2::55
27ms
31ms

Good news, no warnings or errors were found.

We could not find any recommendations at this time.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • Nameserver ns.onebit.cz. (81.31.45.112) replied quickly (< 50ms).
  • Nameserver ns.onebit.cz. (2a01:430:13::112) replied in a reasonable time.
  • Nameserver ns.onebit.eu. (95.129.97.160) replied quickly (< 50ms).
  • Nameserver ns.onebit.eu. (2a02:e98:0:2006::5f81:61a0) replied in a reasonable time.
  • Nameserver ns.onebit.org. (85.118.129.55) replied quickly (< 50ms).
  • Nameserver ns.onebit.org. (2a01:430:203:2::55) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
ns.onebit.cz. IPv4: CZ
IPv6: CZ
AS24971 - MASTER-AS Czech Republic www.master.cz, CZ
AS24971 - MASTER-AS Czech Republic www.master.cz, CZ
ns.onebit.eu. IPv4: CZ
IPv6: CZ
AS24641 - FASTER-AS, CZ
AS24641 - FASTER-AS, CZ
ns.onebit.org. IPv4: CZ
IPv6: CZ
AS24971 - MASTER-AS Czech Republic www.master.cz, CZ
AS24971 - MASTER-AS Czech Republic www.master.cz, CZ

Good news, no warnings or errors were found.

We detected some possible recommendations for you to consider. No penalties were given for these, but resolving them can give you a higher DNS score.

  • All IPv4 nameservers appear to be hosted in the same country (CZ). You might want to consider spreading the nameservers geographically.
  • All IPv6 nameservers appear to be hosted in the same country (CZ). You might want to consider spreading the nameservers geographically.
  • No CAA records found. Consider adding CAA records, as it adds increased security by limiting which Certificate Authorities can issue certificates for this domain. (more info)

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • You have more than 1 nameserver.
  • The IPv4 nameservers are distributed among multiple providers.
  • The IPv6 nameservers are distributed among multiple providers.
  • DNSSEC is enabled.
  • The nameservers are being operated from multiple domains (onebit.cz, onebit.eu, onebit.org).

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A zsmsdoubravnik.cz 1h 178.238.37.245
AAAA zsmsdoubravnik.cz 1h 2a01:430:13::245
DNSKEY zsmsdoubravnik.cz 1h ZSK | ECDSA Curve P-384 with SHA-384 | uRX3YtV4ZNwOCUqTlKyHVfE0DR3U9b0pnNm/RBrOlsNqckxtPC+p8KkI flw1NyY5Hd3ndhkfk/QWW5RSKmVTGFxMmlIPWtBr1Kiv8Pqfn+Y8Wgfz s1mVSp6oa+KG/o2N

KSK | ECDSA Curve P-384 with SHA-384 | Q/y4lnfPkbJrNIuq0KjE0fPLc9ttqYQdLIPso5n/HrREE1tYUhnAUlle pQ+B8NhmwMxsgi6BbmiD5AzZTvsttMHh+azqmf6c/9oDiQGQraTxNQa/ I0bX1ElLQMWxbsHD
MX zsmsdoubravnik.cz 1h 0 zsmsdoubravnik-cz.mail.protection.outlook.com.
NS zsmsdoubravnik.cz 1h ns.onebit.cz.
ns.onebit.eu.
ns.onebit.org.
SOA zsmsdoubravnik.cz 7200s ns.onebit.cz. hostmaster.onebit.cz. 2022081801 43200 7200 2419200 3600
TXT zsmsdoubravnik.cz 1h "v=spf1 include:spf.protection.outlook.com -all"
A *.zsmsdoubravnik.cz 1h 178.238.37.245
CNAME autodiscover.zsmsdoubravnik.cz 1h autodiscover.outlook.com.
A mail.zsmsdoubravnik.cz 1h 178.238.37.247
AAAA mail.zsmsdoubravnik.cz 1h 2a01:430:13::247
CNAME smtp.zsmsdoubravnik.cz 1h smtp11.onebit.cz.
A www.zsmsdoubravnik.cz 1h 178.238.37.245
AAAA www.zsmsdoubravnik.cz 1h 2a01:430:13::245

Good news, no warnings or errors were found.

We detected some possible recommendations for you to consider. No penalties were given for these, but resolving them can give you a higher DNS score.

  • No DMARC records have been found. Consider configuring DMARC for improved e-mail authentication.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • Single MX record but with multiple IPs associated to it.
  • The MX record for "zsmsdoubravnik.cz" has a long TTL (1h+).
  • The NS records have a long TTL (1h+).
  • Your SOA serial number follows the best practice YYYYMMDDxx format.
  • SPF records have been found.
  • SPF records are set up restrictively.
  • Found a root (apex) DNS record.
  • Found a www DNS record.
  • Found an IPv6 root DNS record.
  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
Proud of your DNS score? Share it with the world!

 

Have a look at other public DNS scans.