DNS Report for samsung.com.cn

• dns.esamsungchina.com.cn

  • IPv4: 27.106.204.41
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• dns2.esamsungchina.com.cn

  • IPv4: 27.106.204.35
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• dns1.esamsungchina.com.cn

  • IPv4: 27.106.204.42
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• dns.esamsungchina.com.cn

  • Status: Responded
  • IP(s): 218.249.63.103
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: SERVFAIL)
  • TCP Connectivity: TCP connection failed (Response code: SERVFAIL)

• dns2.esamsungchina.com.cn

  • Status: Responded
  • IP(s): 218.249.63.103
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: SERVFAIL)
  • TCP Connectivity: TCP connection failed (Response code: SERVFAIL)

• dns1.esamsungchina.com.cn

  • Status: Responded
  • IP(s): 218.249.63.103
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: SERVFAIL)
  • TCP Connectivity: TCP connection failed (Response code: SERVFAIL)

dns.esamsungchina.com.cn

• Serial: 2549
• Refresh: 300
• Retry: 300
• Expire: 2592000
• Minimum TTL: 300

dns2.esamsungchina.com.cn

• Serial: 2549
• Refresh: 300
• Retry: 300
• Expire: 2592000
• Minimum TTL: 300

dns1.esamsungchina.com.cn

• Serial: 2549
• Refresh: 300
• Retry: 300
• Expire: 2592000
• Minimum TTL: 300

Serial: 2549 - OK

REFRESH: 300 - OK

RETRY: 300 - OK

EXPIRE: 2592000 - OK

MINIMUM TTL: 300 - Note: Outside recommended range (1-3 hours)

dns.esamsungchina.com.cn

• 10 eml.samsung.com.cn ( 27.106.204.44 )
• 10 mx01.dm.aliyun.com ( 106.14.151.44 )

dns2.esamsungchina.com.cn

• 10 eml.samsung.com.cn ( 27.106.204.44 )
• 10 mx01.dm.aliyun.com ( 106.14.151.44 )

dns1.esamsungchina.com.cn

• 10 eml.samsung.com.cn ( 27.106.204.44 )
• 10 mx01.dm.aliyun.com ( 106.14.151.44 )

MX Record Consistency - OK

MX Record Count - OK

• 44.151.14.106.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 44.151.14.106.in-addr.arpa.
• 44.204.106.27.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 44.204.106.27.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: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 include:spf1.dm.aliyun.com -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: spf1.dm.aliyun.com
• DNS Lookups: 3
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: -all

• 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