DNS report for cnmsn.com

This report was generated 3 weeks ago. Refresh?
D
Connectivity
60%
Performance
0%
Resilience & Security
40%
DNS records
44%
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Connectivity: 60%

The following nameservers are available and responding correctly for DNS queries for your domain cnmsn.com.

Nameserver IP address(es) SOA serial
dns.bizcn.com. 180.163.194.215
240c:4082:0:2503::4 		132
dns.cnmsn.net. 180.163.194.139
240c:4082:0:2503::5 		132
ns1.4everdns.com. 180.163.194.139
240c:4082:0:2503::4
ns2.4everdns.com. 180.163.194.215
240c:4082:0:2503::5 		132
ns5.cnmsn.net. 180.163.194.215
240c:4082:0:2503::4 		132
ns6.cnmsn.net. 180.163.194.139
240c:4082:0:2503::5 		132

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.

  • The nameserver IPs are on the same /24 subnet.
  • Some of the nameservers are offline: ns1.4everdns.com.

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.
  • Nameservers are available over IPv4.
  • Nameservers are available over IPv6.

Performance: 0%

We tested each nameserver and measured the following response times.

Nameserver IP address(es) Response time
dns.bizcn.com. 180.163.194.215
240c:4082:0:2503::4 		267ms
303ms
dns.cnmsn.net. 180.163.194.139
240c:4082:0:2503::5 		271ms
419ms
ns1.4everdns.com. 180.163.194.139
240c:4082:0:2503::4 		283ms
timeout
ns2.4everdns.com. 180.163.194.215
240c:4082:0:2503::5 		267ms
431ms
ns5.cnmsn.net. 180.163.194.215
240c:4082:0:2503::4 		275ms
291ms
ns6.cnmsn.net. 180.163.194.139
240c:4082:0:2503::5 		255ms
459ms

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.

  • Nameserver dns.bizcn.com. (180.163.194.215) replied, but took too long (267ms). This will severely impact performance.
  • Nameserver dns.bizcn.com. (240c:4082:0:2503::4) replied, but took too long (303ms). This will severely impact performance.
  • Nameserver dns.cnmsn.net. (180.163.194.139) replied, but took too long (271ms). This will severely impact performance.
  • Nameserver dns.cnmsn.net. (240c:4082:0:2503::5) replied, but took too long (419ms). This will severely impact performance.
  • Nameserver ns1.4everdns.com. (180.163.194.139) replied, but took too long (283ms). This will severely impact performance.
  • Nameserver ns1.4everdns.com. (240c:4082:0:2503::4) did not respond.
  • Nameserver ns2.4everdns.com. (180.163.194.215) replied, but took too long (267ms). This will severely impact performance.
  • Nameserver ns2.4everdns.com. (240c:4082:0:2503::5) replied, but took too long (431ms). This will severely impact performance.
  • Nameserver ns5.cnmsn.net. (180.163.194.215) replied, but took too long (275ms). This will severely impact performance.
  • Nameserver ns5.cnmsn.net. (240c:4082:0:2503::4) replied, but took too long (291ms). This will severely impact performance.
  • Nameserver ns6.cnmsn.net. (180.163.194.139) replied, but took too long (255ms). This will severely impact performance.
  • Nameserver ns6.cnmsn.net. (240c:4082:0:2503::5) replied, but took too long (459ms). This will severely impact performance.

We could not find any recommendations at this time.

We could not find any recommendations at this time.

Resilience & Security: 40%

These are the locations and providers of your nameservers.

Nameserver Location ISP
dns.bizcn.com. IPv4: CN
IPv6: CN 		AS4812 - CHINANET-SH-AP China Telecom Group, CN
AS38365 - BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., CN
dns.cnmsn.net. IPv4: CN
IPv6: CN 		AS4812 - CHINANET-SH-AP China Telecom Group, CN
AS38365 - BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., CN
ns1.4everdns.com. IPv4: CN
IPv6: CN 		AS4812 - CHINANET-SH-AP China Telecom Group, CN
AS38365 - BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., CN
ns2.4everdns.com. IPv4: CN
IPv6: CN 		AS4812 - CHINANET-SH-AP China Telecom Group, CN
AS38365 - BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., CN
ns5.cnmsn.net. IPv4: CN
IPv6: CN 		AS4812 - CHINANET-SH-AP China Telecom Group, CN
AS38365 - BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., CN
ns6.cnmsn.net. IPv4: CN
IPv6: CN 		AS4812 - CHINANET-SH-AP China Telecom Group, CN
AS38365 - BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., CN

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 (AS4812 - CHINANET-SH-AP China Telecom Group, CN). Consider spreading the nameservers across multiple DNS providers for increased redundancy.
  • All IPv6 nameservers are hosted by the same provider (AS38365 - BAIDU Beijing Baidu Netcom Science and Technology Co., Ltd., CN). 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.

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 (CN). You might want to consider spreading the nameservers geographically.
  • All IPv6 nameservers appear to be hosted in the same country (CN). 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.
  • The nameservers are being operated from multiple domains (bizcn.com, cnmsn.net, 4everdns.com).

DNS records: 44%

Our scans detected the following publicly available DNS records.

Record TTL Value
MX cnmsn.com 120s 10 mail.cnmsn.com.
NS cnmsn.com 600s dns.bizcn.com.
dns.cnmsn.net.
ns1.4everdns.com.
ns2.4everdns.com.
ns5.cnmsn.net.
ns6.cnmsn.net.
SOA cnmsn.com 600s dns.bizcn.com. abuse.bizcn.com. 132 28800 14400 14400 600
A mail.cnmsn.com 120s 125.77.197.21

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.

  • We only detected 1 MX record. Multiple MX records (or multiple IPs behind the MX record) provide redundancy and a more robust e-mail setup.
  • Consider giving the MX record for "cnmsn.com" a longer TTL, as those don't change often (1h+).
  • Consider giving the NS records for "cnmsn.com" a longer TTL, as those don't change often (1h+).
  • SOA record has a high retry value (14400), recommended around 1h.
  • SOA record has a low expire value (14400), recommended at least 24h.

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 DNS record found on your zone apex (cnmsn.com). Consider adding a DNS record for "cnmsn.com" as an A record.
  • No IPv6 record has been found on the zone apex (cnmsn.com). 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.

  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
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