DNS report for guild.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 guild.cz.

Nameserver IP address(es) SOA serial
ameisen.dnsant.cz. 77.93.193.51
2a01:430:207:2::51
2022110701
formica.dnsant.cz. 93.185.103.88
2a00:1ed0:1:1300::88
2022110701
karinca.dnsant.eu. 5.75.142.217
2a01:4f8:1c1c:6af8::1
2022110701
langgam.dnsant.eu. 89.221.216.95
2a02:2b88:2:55f::1
2022110701
pismire.dnsant.net. 158.69.226.171
2607:5300:60:97ab::1
2022110701

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
ameisen.dnsant.cz. 77.93.193.51
2a01:430:207:2::51
27ms
27ms
formica.dnsant.cz. 93.185.103.88
2a00:1ed0:1:1300::88
55ms
55ms
karinca.dnsant.eu. 5.75.142.217
2a01:4f8:1c1c:6af8::1
27ms
23ms
langgam.dnsant.eu. 89.221.216.95
2a02:2b88:2:55f::1
31ms
35ms
pismire.dnsant.net. 158.69.226.171
2607:5300:60:97ab::1
111ms
111ms

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.

  • Nameserver formica.dnsant.cz. (93.185.103.88) replied reasonably fast (< 150ms), but you should aim for < 50ms response times.
  • Nameserver pismire.dnsant.net. (158.69.226.171) replied reasonably fast (< 150ms), but you should aim for < 50ms response times.

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

  • Nameserver ameisen.dnsant.cz. (77.93.193.51) replied quickly (< 50ms).
  • Nameserver ameisen.dnsant.cz. (2a01:430:207:2::51) replied in a reasonable time.
  • Nameserver formica.dnsant.cz. (2a00:1ed0:1:1300::88) replied in a reasonable time.
  • Nameserver karinca.dnsant.eu. (5.75.142.217) replied quickly (< 50ms).
  • Nameserver karinca.dnsant.eu. (2a01:4f8:1c1c:6af8::1) replied in a reasonable time.
  • Nameserver langgam.dnsant.eu. (89.221.216.95) replied quickly (< 50ms).
  • Nameserver langgam.dnsant.eu. (2a02:2b88:2:55f::1) replied in a reasonable time.
  • Nameserver pismire.dnsant.net. (2607:5300:60:97ab::1) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
ameisen.dnsant.cz. IPv4: CZ
IPv6: CZ
AS24971 - MASTER-AS Czech Republic www.master.cz, CZ
AS24971 - MASTER-AS Czech Republic www.master.cz, CZ
formica.dnsant.cz. IPv4: CZ
IPv6: CZ
AS43541 - VSHOSTING, CZ
AS43541 - VSHOSTING, CZ
karinca.dnsant.eu. IPv4: DE
IPv6: DE
AS24940 - HETZNER-AS, DE
AS24940 - HETZNER-AS, DE
langgam.dnsant.eu. IPv4: CZ
IPv6: CZ
AS197019 - WEDOS, CZ
AS197019 - WEDOS, CZ
pismire.dnsant.net. IPv4: CA
IPv6: CA
AS16276 - OVH, FR
AS16276 - OVH, FR

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.

  • You have more than 1 nameserver.
  • The IPv4 nameservers are distributed among multiple providers.
  • The IPv4 nameservers are distributed across multiple locations.
  • The IPv6 nameservers are distributed among multiple providers.
  • The IPv6 nameservers are distributed across multiple locations.
  • DNSSEC is enabled.
  • CAA records found.
  • The nameservers are being operated from multiple domains (dnsant.cz, dnsant.eu, dnsant.net).

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A guild.cz 1h 77.93.193.43
AAAA guild.cz 1h 2a01:430:207:1::43
CAA guild.cz 1h 0 issue "letsencrypt.org"
0 issuewild "letsencrypt.org"
DNSKEY guild.cz 1h KSK | ECDSA Curve P-256 with SHA-256 | vecyP8hnGhlB3DGKAROWYnBaHjj7sK2rxAvGvpQf1xdMg48Hh/mJhtpS ifTzF24jQeDpfjvGLtMI7mMZwIFbJw==
NS guild.cz 1h ameisen.dnsant.cz.
formica.dnsant.cz.
karinca.dnsant.eu.
langgam.dnsant.eu.
pismire.dnsant.net.
SOA guild.cz 1h formica.dnsant.cz. admin.dnsant.cz. 2022110701 14400 3600 604800 3600

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.

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 an IPv6 root DNS record.
  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
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