DNS report for nhx.cz

This report was generated 3 weeks ago. Refresh?
A+
Connectivity
100%
Performance
100%
Resilience & Security
100%
DNS records
94%
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Connectivity: 100%

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

Nameserver IP address(es) SOA serial
ns.forpsi.cz. 81.2.209.185
2001:15e8:201:1::d1b9
2019100801
ns.forpsi.it. 95.110.254.165
2a00:6d41:2:1::5
2019100801
ns.forpsi.net. 81.2.194.130
2001:15e8:101:1::c282
2019100801

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.forpsi.cz. 81.2.209.185
2001:15e8:201:1::d1b9
25ms
24ms
ns.forpsi.it. 95.110.254.165
2a00:6d41:2:1::5
32ms
32ms
ns.forpsi.net. 81.2.194.130
2001:15e8:101:1::c282
27ms
24ms

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.forpsi.cz. (81.2.209.185) replied quickly (< 50ms).
  • Nameserver ns.forpsi.cz. (2001:15e8:201:1::d1b9) replied in a reasonable time.
  • Nameserver ns.forpsi.it. (95.110.254.165) replied quickly (< 50ms).
  • Nameserver ns.forpsi.it. (2a00:6d41:2:1::5) replied in a reasonable time.
  • Nameserver ns.forpsi.net. (81.2.194.130) replied quickly (< 50ms).
  • Nameserver ns.forpsi.net. (2001:15e8:101:1::c282) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
ns.forpsi.cz. IPv4: CZ
IPv6: CZ
AS24806 - INTERNET-CZ Ktis 2, 384 03 Ktis, CZ
AS24806 - INTERNET-CZ Ktis 2, 384 03 Ktis, CZ
ns.forpsi.it. IPv4: IT
IPv6: IT
AS31034 - ARUBA-ASN, IT
AS31034 - ARUBA-ASN, IT
ns.forpsi.net. IPv4: CZ
IPv6: CZ
AS24806 - INTERNET-CZ Ktis 2, 384 03 Ktis, CZ
AS24806 - INTERNET-CZ Ktis 2, 384 03 Ktis, 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 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 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.
  • The nameservers are being operated from multiple domains (forpsi.cz, forpsi.it, forpsi.net).

DNS records: 94%

Our scans detected the following publicly available DNS records.

Record TTL Value
A nhx.cz 1800s 31.47.102.220
DNSKEY nhx.cz 1h ZSK | RSA/SHA-512 | AwEAAdGd3MvYnd1LpyrTAcoAFYgMCjHqq6P7q13BL9kDSFAPhQKB6KAf jB3xQ2L/V8GUF/+mfLLkOY/9dLZS5Plaj3MWAycfB3dLD1pztPqymiza u7PZZgybYtsiju2EcqWoyeYygFnBdft1rx2WVlLPP8xD745PyFJn13z0 gdUV3v83

KSK | RSA/SHA-512 | AwEAAbqsrD3jBHqYH+vnBvy7bfjj4aoAQ8YXFEqa+5eeqNo2+ZetZ283 giXXqqzjkMah9AP6y26BzegDrJt4TMlr/bipqO+eTmZBfH6CbcV1GJDi mjqpoMB6BF+wki6ePtYv/nMfnQtQjBkU0TuCol1GiprRcHgRwqTRu+Oa PskwOFKhyX0sWYxYMqf7GVTedyrrMfSrnqjnkncN2ECrWr2yHoUNngIy qb9Lo51nITYZZ7YFBu35rK349gwGzoUkukNCtrQmQMugwvw4oZ+dkz81 HuYZGmmj83ToG6axuXA+ncOfmFs4DSxZ6nH8DRjW4AFQ964tuEohCEMi 0CnZNu0lFsU=
MX nhx.cz 1800s 10 aspmx.l.google.com.
20 alt1.aspmx.l.google.com.
20 alt2.aspmx.l.google.com.
30 aspmx2.googlemail.com.
30 aspmx3.googlemail.com.
30 aspmx4.googlemail.com.
30 aspmx5.googlemail.com.
NS nhx.cz 1h ns.forpsi.cz.
ns.forpsi.it.
ns.forpsi.net.
SOA nhx.cz 1h ns.forpsi.net. admin.forpsi.com. 2019100801 3600 1800 2592000 3600
TXT nhx.cz 1800s "v=spf1 include:_spf.google.com include:spf.fixs.cz ~all"
CNAME *.nhx.cz 1800s anubis.nhx.cz.
A anubis.nhx.cz 1800s 31.47.102.221
A isis.nhx.cz 1800s 31.47.102.221
CNAME mail.nhx.cz 1800s ghs.google.com.
CNAME monitor.nhx.cz 1800s thor.nhx.cz.
CNAME mx1.nhx.cz 1800s thor.nhx.cz.
CNAME mx2.nhx.cz 1800s replicator.nhx.cz.
CNAME mx3.nhx.cz 1800s isis.nhx.cz.
CNAME mysql.nhx.cz 1800s replicator.nhx.cz.
A ns.nhx.cz 1800s 62.209.224.113
A thor.nhx.cz 1800s 62.209.224.113
CNAME www.nhx.cz 1800s nhx.cz.

We detected the following errors or warnings about your DNS configuration. These caused your DNS rating to be lowered. Resolving these will grant a higher DNS Spy rating for your domain.

  • Consider giving the MX record for "nhx.cz" a longer TTL, as those don't change often (1h+).

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.
  • No IPv6 record has been found on the zone apex (nhx.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 records points to multiple mailservers.
  • 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.
  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
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