DNS report for dpov.cz

This report was generated 3 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 dpov.cz.

Nameserver IP address(es) SOA serial
ns1.ignum.com. 195.226.217.5
2001:67c:278::d45
2020061900
ns2.ignum.cz. 217.31.48.201
2001:1ab0:7e1e:2::5
2020061900

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.ignum.com. 195.226.217.5
2001:67c:278::d45
30ms
29ms
ns2.ignum.cz. 217.31.48.201
2001:1ab0:7e1e:2::5
29ms
29ms

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.ignum.com. (195.226.217.5) replied quickly (< 50ms).
  • Nameserver ns1.ignum.com. (2001:67c:278::d45) replied in a reasonable time.
  • Nameserver ns2.ignum.cz. (217.31.48.201) replied quickly (< 50ms).
  • Nameserver ns2.ignum.cz. (2001:1ab0:7e1e:2::5) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
ns1.ignum.com. IPv4: CZ
IPv6: CZ
AS51278 - IGNUM-ANYCAST-AS Czech Republic, CZ
AS51278 - IGNUM-ANYCAST-AS Czech Republic, CZ
ns2.ignum.cz. IPv4: CZ
IPv6: CZ
AS29134 - IGNUM-AS Czech Republic, CZ
AS29134 - IGNUM-AS Czech Republic, 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 (ignum.com, ignum.cz).

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A dpov.cz 1h 217.31.49.49
DNSKEY dpov.cz 1h ZSK | ECDSA Curve P-256 with SHA-256 | RSWHlI5XIlGPS4IbDh/i6qYFbcIa9Dxv9QJjdYX9rZKV54pFuO/a0bE8 Pdat1GYkQsvb+3wUXrvvU6Fg2X1IWw==

ZSK | ECDSA Curve P-256 with SHA-256 | zqvOrRVORk2+OKtNsClq0vMIr4g20a6C0YI1D2BfvgfbYjheVfhVHy5X wM4qLQgGFHCfeECLn0iV7Vzd2Kv3zA==

KSK | ECDSA Curve P-256 with SHA-256 | xeUmPDdCm/2kEHhLKHD9NxT+8QWEsBb2lPv53LPBSjWpl69FMoXSDvIU U0EtsMJ+a/Rg5uO5AhfbKIirg0Kyow==
MX dpov.cz 1h 11 mail5.ignum.cz.
12 mail2.ignum.cz.
NS dpov.cz 1h ns1.ignum.com.
ns2.ignum.cz.
SOA dpov.cz 1h ns1.ignum.com. hostmaster.ignum.cz. 2020061900 10800 3600 604800 3600
CNAME *.dpov.cz 1h raketa.core.ignum.cz.
CNAME mail.dpov.cz 1h mail5.ignum.cz.
CNAME pop3.dpov.cz 1h mail5.ignum.cz.
CNAME smtp.dpov.cz 1h mail5.ignum.cz.
CNAME webmail.dpov.cz 1h webmail.ignum.cz.
CNAME www.dpov.cz 1h raketa.core.ignum.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.

  • 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 (dpov.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.

  • Multiple MX records found.
  • MX records with different priorities found (main + fall-back mailservers).
  • The MX record for "dpov.cz" has a long TTL (1h+).
  • The MX records points to multiple mailservers.
  • 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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