DNS report for guotang.top

This report was generated 4d ago. Refresh?
B
Connectivity
100%
Performance
100%
Resilience & Security
40%
DNS records
100%
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Connectivity: 100%

The following nameservers are available and responding correctly for DNS queries for your domain guotang.top.

Nameserver IP address(es) SOA serial
major.ns.cloudflare.com. 108.162.193.241
2606:4700:58::adf5:3bf1
2036944090
rachel.ns.cloudflare.com. 108.162.192.215
2606:4700:50::adf5:3ad7
2036944090

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
major.ns.cloudflare.com. 108.162.193.241
2606:4700:58::adf5:3bf1
23ms
23ms
rachel.ns.cloudflare.com. 108.162.192.215
2606:4700:50::adf5:3ad7
23ms
23ms

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 major.ns.cloudflare.com. (108.162.193.241) replied quickly (< 50ms).
  • Nameserver major.ns.cloudflare.com. (2606:4700:58::adf5:3bf1) replied in a reasonable time.
  • Nameserver rachel.ns.cloudflare.com. (108.162.192.215) replied quickly (< 50ms).
  • Nameserver rachel.ns.cloudflare.com. (2606:4700:50::adf5:3ad7) replied in a reasonable time.

Resilience & Security: 40%

These are the locations and providers of your nameservers.

Nameserver Location ISP
major.ns.cloudflare.com. IPv4: US
IPv6: US
AS13335 - CLOUDFLARENET, US
AS13335 - CLOUDFLARENET, US
rachel.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.
  • 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.
  • DNSSEC is enabled.

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A guotang.top 5m 104.21.29.214
172.67.171.220
AAAA guotang.top 5m 2606:4700:3033::ac43:abdc
2606:4700:3036::6815:1dd6
DNSKEY guotang.top 1h ZSK | ECDSA Curve P-256 with SHA-256 | oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

KSK | ECDSA Curve P-256 with SHA-256 | mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
NS guotang.top 24h major.ns.cloudflare.com.
rachel.ns.cloudflare.com.
SOA guotang.top 1h major.ns.cloudflare.com. dns.cloudflare.com. 2036944090 10000 2400 604800 3600
A www.guotang.top 5m 104.21.29.214
172.67.171.220
AAAA www.guotang.top 5m 2606:4700:3033::ac43:abdc
2606:4700:3036::6815:1dd6

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