DNS report for pslib.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 pslib.cz.

Nameserver IP address(es) SOA serial
ns1.ignum.com. 185.65.223.35
2a00:1e40:a:53::5
2023111002
ns2.ignum.cz. 217.31.48.201
2001:1ab0:7e1e:2::5
2023111002

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. 185.65.223.35
2a00:1e40:a:53::5
31ms
35ms
ns2.ignum.cz. 217.31.48.201
2001:1ab0:7e1e:2::5
35ms
43ms

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. (185.65.223.35) replied quickly (< 50ms).
  • Nameserver ns1.ignum.com. (2a00:1e40:a:53::5) 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: SK
IPv6: SK
AS48689 - WEBGLOBE-SK-AS, SK
AS48689 - WEBGLOBE-SK-AS, SK
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.

  • 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 (ignum.com, ignum.cz).

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A pslib.cz 1h 195.113.159.98
AAAA pslib.cz 1h 2001:718:1c03:6969::4
DNSKEY pslib.cz 1h ZSK | ECDSA Curve P-256 with SHA-256 | ENvrc9u5W3BrvRH2VhO4Mtn8ABCXKY9BKTKeiujQflm0+wo0mScKmINk d8DupEanddjY/OP8hs/Idxr3cXZ7Gg==

KSK | ECDSA Curve P-256 with SHA-256 | 2tcplrhQFdR8oqGhG3J+WzUgtstCEc+PoMMd+9kqk6/rVvszYPuxUlXH xT98nZtO4PFoODvTsIUm4pN+m1EEMQ==
MX pslib.cz 1h 0 pslib-cz.mail.protection.outlook.com.
NS pslib.cz 1h ns1.ignum.com.
ns2.ignum.cz.
SOA pslib.cz 1h ns1.webcloud.cz. hostmaster.pslib.cz. 2023111002 10800 3600 604800 3600
TXT pslib.cz 1h "MS=ms92452872"
"google-site-verification=AsXEuxSgtw4whUE7FbxeHE560CjQV0ma07MQAi1qRGo"
"google-site-verification=vXVzpwJroasNplCxWI97pSedMQbXyN0fZjTXfO7B2X0"
"v=spf1 include:spf.protection.outlook.com -all"
TXT _dmarc.pslib.cz 1h "v=DMARC1; p=none; pct=100; rua=mailto:dma[email protected]"
CNAME apps.pslib.cz 1h styx.pslib.cz.
CNAME autodiscover.pslib.cz 1h autodiscover.outlook.com.
CNAME calendar.pslib.cz 1h ghs.googlehosted.com.
TXT default._domainkey.pslib.cz 1h "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDFg74BNGL/jxmkInFztznA9Wby6PRGYexwI4z6TT2LQ5YkIS6q4rqjRpc8kYLmeDVsykhhb7IAJa37zIGu/AV2JsoHJylS6hJweQ0b3f7i/+HkREn7cz8Yhmd+CVPaAMnyp3eH0lc5KXNCkWbv1RVi1xcID7sdWFKawaN4n0kY/QIDAQAB"
CNAME ftp.pslib.cz 1h neptun.pslib.cz.
A gw.pslib.cz 1h 195.113.159.1
AAAA ipv6.pslib.cz 1h 2001:718:1c03::1
A localhost.pslib.cz 1h 127.0.0.1
CNAME mail.pslib.cz 1h hermes.pslib.cz.
CNAME ntp.pslib.cz 1h neptun.pslib.cz.
CNAME smtp.pslib.cz 1h neptun.pslib.cz.
A styx.pslib.cz 1h 195.113.159.91
CNAME test.pslib.cz 1h bakalar.pslib.cz.
CNAME vpn.pslib.cz 1h hecate.pslib.cz.
A web2.pslib.cz 1h 195.113.159.89
AAAA web2.pslib.cz 1h 2001:718:1c03:6969::7
CNAME webmail.pslib.cz 1h hermes.pslib.cz.
CNAME www.pslib.cz 1h hermes.pslib.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.

  • You have DMARC records configured, but the "p=none" policy only triggers reports to your e-mail address, the receiver is instructed to not take actions.

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 "pslib.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.
  • DMARC records have been found.
  • 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.
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