DNS Report for china.com.cn

• ns1.china-online.com.cn

  • IPv4: 210.72.21.251
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns1.china.org.cn

  • IPv4: 202.130.245.13
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns1.china-online.com.cn

  • Status: Responded
  • IP(s): 202.130.245.42
  • TTL: 86400 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.china.org.cn

  • Status: Responded
  • IP(s): 202.130.245.42
  • TTL: 86400 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns1.china-online.com.cn

• Serial: 2845266010
• Refresh: 10800
• Retry: 1800
• Expire: 360000
• Minimum TTL: 86400

ns1.china.org.cn

• Serial: 2845266010
• Refresh: 10800
• Retry: 1800
• Expire: 360000
• Minimum TTL: 86400

Serial: 2845266010 - OK

REFRESH: 10800 - OK

RETRY: 1800 - OK

EXPIRE: 360000 - OK

MINIMUM TTL: 86400 - Note: Outside recommended range (1-3 hours)

ns1.china-online.com.cn

• 10 eqmanager2.china.org.cn ( 210.72.21.207 )
• 30 eqmanager1.china.org.cn ( 210.72.21.21 )

ns1.china.org.cn

• 10 eqmanager2.china.org.cn ( 210.72.21.207 )
• 30 eqmanager1.china.org.cn ( 210.72.21.21 )

MX Record Consistency - OK

MX Record Count - OK

• 207.21.72.210.in-addr.arpa -> mail.china-online.com.cn
• 21.21.72.210.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 21.21.72.210.in-addr.arpa.

PTR Records - OK

• Signed: No
• Validation: Failed
• DNSKEY Records: None
• DS Records in parent zone: None
• DS at Parent: None

DNSSEC - Note: Domain is not signed with DNSSEC

Error: No DNSSEC records found

SPF Record Published: Failed

Multiple SPF Records: Passed

Errors:

• No TXT records found

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: None
• Syntax: Invalid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

• All external domains in your DMARC record are giving permission to send them DMARC reports.

Errors:

• DMARC record does not exist