DNS report for ususil.cz

This report was generated 6 months ago. Refresh?
B
Connectivity
100%
Performance
100%
Resilience & Security
20%
DNS records
95%
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Connectivity: 100%

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

Nameserver IP address(es) SOA serial
eric.ns.cloudflare.com. 108.162.193.112
2606:4700:58::adf5:3b70 		2322595858
ivy.ns.cloudflare.com. 108.162.192.120
2606:4700:50::adf5:3a78 		2322595858

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
eric.ns.cloudflare.com. 108.162.193.112
2606:4700:58::adf5:3b70 		3ms
1ms
ivy.ns.cloudflare.com. 108.162.192.120
2606:4700:50::adf5:3a78 		3ms
1ms

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 eric.ns.cloudflare.com. (108.162.193.112) replied quickly (< 50ms).
  • Nameserver eric.ns.cloudflare.com. (2606:4700:58::adf5:3b70) replied in a reasonable time.
  • Nameserver ivy.ns.cloudflare.com. (108.162.192.120) replied quickly (< 50ms).
  • Nameserver ivy.ns.cloudflare.com. (2606:4700:50::adf5:3a78) replied in a reasonable time.

Resilience & Security: 20%

These are the locations and providers of your nameservers.

Nameserver Location ISP
eric.ns.cloudflare.com. IPv4: US
IPv6: US 		AS13335 - CLOUDFLARENET, US
AS13335 - CLOUDFLARENET, US
ivy.ns.cloudflare.com. IPv4: US
IPv6: US 		AS13335 - CLOUDFLARENET, US
AS13335 - CLOUDFLARENET, US

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.

  • All IPv4 nameservers are hosted by the same provider (AS13335 - CLOUDFLARENET, US). Consider spreading the nameservers across multiple DNS providers for increased redundancy.
  • All IPv6 nameservers are hosted by the same provider (AS13335 - CLOUDFLARENET, US). Consider spreading the nameservers across multiple DNS providers for increased redundancy.
  • No DNSSEC records found. Consider enabling DNSSEC, as it provides a way to validate DNS responses for data integrity.
  • All the nameservers are being operated from a single domain (cloudflare.com). If that domain gets compromised or goes offline, the DNS will be unavailable. Consider spreading the nameservers across multiple domains.

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 (US). You might want to consider spreading the nameservers geographically.
  • All IPv6 nameservers appear to be hosted in the same country (US). 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.

DNS records: 95%

Our scans detected the following publicly available DNS records.

Record TTL Value
A ususil.cz 5m 104.21.13.208
172.67.133.27
AAAA ususil.cz 5m 2606:4700:3031::6815:dd0
2606:4700:3036::ac43:851b
MX ususil.cz 1800s 10 mx.zoho.eu.
20 mx2.zoho.eu.
50 mx3.zoho.eu.
NS ususil.cz 24h eric.ns.cloudflare.com.
ivy.ns.cloudflare.com.
SOA ususil.cz 1800s eric.ns.cloudflare.com. dns.cloudflare.com. 2322595858 10000 2400 604800 1800
TXT ususil.cz 5m "facebook-domain-verification=j4hawlvqu83yqw6ltjv4qauyyu6znu"
"v=spf1 a ip4:116.203.57.209 ip6:2a01:4f8:c0c:dfd4:0:0:0:1 include:zoho.eu include:spf.seznam.cz include:vm6.wpserver.eu include:spf.m01.knytl.cloud ~all"
TXT _dmarc.ususil.cz 5m "v=DMARC1; p=none"
TXT default._domainkey.ususil.cz 5m "v=DKIM1; h=sha256; k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy1xr02F7sxcA3NHKTyKR4QWJKOumG1754AJ+4azzpNgG2wHEG0JZZOjdHjTC+NvltiLu/KQ1dot3VpHTAjMYVM8LQNV0UL5vC99oApkOgps9ykEXy9dEDtctLVqp6Dh/HX+kU8J4/RuKVix5z2IYn83SS/pe2irX6APDtvD+lCpzyavgcTZcsi2n" "9YGGiMTJbGaJpTFD+fxthFvjGh1Ylmb7t3bt9YmJjPrMdJPImYN0+gXe/C3aQrZEbMa74CeJz5R9SXmj8G6VHVZTszOBkqTwNABdaRaoT+Bsni6QhVt3nhBQurB/lzkXXrvtViDA+rFMyPLMtZ2hoNBexv3UQQIDAQAB"
A mail.ususil.cz 5m 116.203.57.209
A www.ususil.cz 5m 104.21.13.208
172.67.133.27
AAAA www.ususil.cz 5m 2606:4700:3031::6815:dd0
2606:4700:3036::ac43:851b

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 "ususil.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.

  • 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.

  • The root DNS records points to multiple IPs using Round Robin.
  • 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.
  • 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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