DNS report for blackmountain.cz

This report was generated 5d ago. Refresh?
A+
Connectivity
100%
Performance
100%
Resilience & Security
100%
DNS records
93%
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Connectivity: 100%

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

Nameserver IP address(es) SOA serial
ns.forpsi.cz. 81.2.209.185
2001:15e8:201:1::d1b9
2020010201
ns.forpsi.it. 95.110.254.165
2a00:6d41:2:1::5
2020010201
ns.forpsi.net. 81.2.194.130
2001:15e8:101:1::c282
2020010201

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
24ms
23ms
ns.forpsi.it. 95.110.254.165
2a00:6d41:2:1::5
30ms
28ms
ns.forpsi.net. 81.2.194.130
2001:15e8:101:1::c282
24ms
22ms

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: 93%

Our scans detected the following publicly available DNS records.

Record TTL Value
A blackmountain.cz 1800s 81.0.206.111
DNSKEY blackmountain.cz 1h ZSK | RSA/SHA-512 | AwEAAcVJdrCjAVlEZomo8ZF0+G2sHwGV0gcP3MODfwipg7Lq3Ib4U7RU ppfdKv6vucx2CQO0M0UJnAvhNLH7QIJEwWMQW1wDoeYxD/X33eW6Jr/o lCTa0DXHDVDw0NaCJOA+2kDnCz5vYgNaQaVw2mZHsuXxABhd3PGeHjh7 BDXNQQ5B

KSK | RSA/SHA-512 | AwEAAaLi3IBDIqmpCGf5AJxYVKGsUHwTAB9Ltuc54TPqxoiS2YQEFxZK 1zJvh0dyOEpAFS3Un613aMwEESbSEbHBfJcBfk/G6jZOEbUmTZi3FbZq ybms6pJq+yg9f6nDuPVLwa1vXkROqFUgujO/wkbVbzdceF2CEQshclbt EqXv56n1SbZTALzPvuIQyLcelx6Uzxk8TbRej+L395p2kTKGH1zTOJ72 hXGl64BmntDGY+3aMxMTVPIwFa69mQQLu58hV7ZMiP4im5g7HN2RA/LH 4ERZTK74/D9/MgVZmHwEs4Ydeiy5ldiaLmfOL6OFMAErBntjSpRlEd3M HwavStGiOk0=
MX blackmountain.cz 1800s 10 mx.bohemiasoft.com.
20 mx2.bohemiasoft.com.
NS blackmountain.cz 1h ns.forpsi.cz.
ns.forpsi.it.
ns.forpsi.net.
SOA blackmountain.cz 1h ns.forpsi.net. admin.forpsi.com. 2020010201 3600 1800 2592000 3600
CNAME *.blackmountain.cz 1800s c1.premium-er.cz.
CNAME mail.blackmountain.cz 1800s c1.premium-er.cz.
CNAME www.blackmountain.cz 1800s c1.premium-er.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 "blackmountain.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 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 (blackmountain.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.
  • 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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