DNS report for matescb.cz

This report was generated 2 weeks ago. Refresh?
A+
Connectivity
100%
Performance
100%
Resilience & Security
100%
DNS records
100%
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Connectivity: 100%

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

Nameserver IP address(es) SOA serial
ns1.thinline.cz. 91.239.200.243
2a00:1ed0:2:0:1:5bef:c8f3:1
1533053425
ns2.thinline.cz. 82.100.6.2
2001:4de8:fa22:0:1:5264:602:1
1533053425
ns3.cesky-hosting.eu. 91.239.202.18
2a00:1ed0:2:1:1:5bef:ca12:1
1533053425

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
ns1.thinline.cz. 91.239.200.243
2a00:1ed0:2:0:1:5bef:c8f3:1
23ms
28ms
ns2.thinline.cz. 82.100.6.2
2001:4de8:fa22:0:1:5264:602:1
17ms
18ms
ns3.cesky-hosting.eu. 91.239.202.18
2a00:1ed0:2:1:1:5bef:ca12:1
29ms
23ms

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 ns1.thinline.cz. (91.239.200.243) replied quickly (< 50ms).
  • Nameserver ns1.thinline.cz. (2a00:1ed0:2:0:1:5bef:c8f3:1) replied in a reasonable time.
  • Nameserver ns2.thinline.cz. (82.100.6.2) replied quickly (< 50ms).
  • Nameserver ns2.thinline.cz. (2001:4de8:fa22:0:1:5264:602:1) replied in a reasonable time.
  • Nameserver ns3.cesky-hosting.eu. (91.239.202.18) replied quickly (< 50ms).
  • Nameserver ns3.cesky-hosting.eu. (2a00:1ed0:2:1:1:5bef:ca12:1) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
ns1.thinline.cz. IPv4: CZ
IPv6: CZ
AS43541 - VSHOSTING, CZ
AS43541 - VSHOSTING, CZ
ns2.thinline.cz. IPv4: CZ
IPv6: CZ
AS29208 - DIALTELECOM-AS Dial Telecom a.s., SK
AS29208 - DIALTELECOM-AS Dial Telecom a.s., SK
ns3.cesky-hosting.eu. IPv4: CZ
IPv6: CZ
AS43541 - VSHOSTING, CZ
AS43541 - VSHOSTING, 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 (thinline.cz, cesky-hosting.eu).

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A matescb.cz 24h 50.3.70.195
DNSKEY matescb.cz 1800s KSK | ECDSA Curve P-256 with SHA-256 | 7n1pS0KrBvgOjvxBUMMLnxPCBmMxR/0tvSsUp7pm9LBxoo6E/71NUFtw VNNcG4hZa0J+bWqoZt3W8pYWCC+fCA==
NS matescb.cz 24h ns1.thinline.cz.
ns2.thinline.cz.
ns3.cesky-hosting.eu.
SOA matescb.cz 24h ns1.thinline.cz. hostmaster.matescb.cz. 1533053425 86400 300 604800 1800
A www.matescb.cz 24h 50.3.70.195

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 SPF records were found. SPF records limit which IPs are allowed to send mail from this domain. Even if this domain doesn't send e-mails, you should set up SPF to confirm it will never send e-mail, to prevent spoofing.
  • No DMARC records have been found. Consider configuring DMARC for improved e-mail authentication.
  • No IPv6 record has been found on the zone apex (matescb.cz). Consider enabling IPv6 in the infrastructure by adding an AAAA record on this domain.

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

  • The NS records have a long TTL (1h+).
  • Your SOA serial number follows the best practice YYYYMMDDxx format.
  • Found a root (apex) DNS record.
  • Found a www DNS record.
  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
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