DNS Report for airchina.com.cn

• cl1.sfndns.cn

  • IPv4: 58.205.196.4, 47.108.213.108
  • IPv6: 2001:da8:20d:40cf::4
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• cl1.sfndns.com

  • IPv4: 47.108.213.108, 58.205.196.4, 47.236.4.243
  • IPv6: 2001:da8:20d:40cf::4
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• vip1.sfndns.cn

  • IPv4: 58.205.196.4, 47.108.213.108
  • IPv6: 2001:da8:20d:40cf::4
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• cl2.sfndns.com

  • IPv4: 8.134.159.224, 58.205.196.5
  • IPv6: 2001:da8:20d:40cf::5
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• cl2.sfndns.cn

  • IPv4: 58.205.196.5, 8.134.159.224
  • IPv6: 2001:da8:20d:40cf::5
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• vip2.sfndns.cn

  • IPv4: 8.134.159.224, 58.205.196.5, 47.236.4.243
  • IPv6: 2001:da8:20d:40cf::5
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• cl1.sfndns.cn

  • Status: Failed: The DNS response does not contain an answer to the question: airchina.com.cn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• cl1.sfndns.com

  • Status: Failed: The DNS response does not contain an answer to the question: airchina.com.cn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed: The DNS operation timed out.

• vip1.sfndns.cn

  • Status: Failed: The DNS response does not contain an answer to the question: airchina.com.cn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• cl2.sfndns.com

  • Status: Failed: The DNS response does not contain an answer to the question: airchina.com.cn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed: The DNS operation timed out.

• cl2.sfndns.cn

  • Status: Failed: The DNS response does not contain an answer to the question: airchina.com.cn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed: The DNS operation timed out.

• vip2.sfndns.cn

  • Status: Failed: The DNS response does not contain an answer to the question: airchina.com.cn. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed: The DNS operation timed out.

cl1.sfndns.cn

• Serial: 2024090808
• Refresh: 172800
• Retry: 600
• Expire: 1209600
• Minimum TTL: 7200

cl1.sfndns.com

• Serial: 2024090720
• Refresh: 172800
• Retry: 600
• Expire: 1209600
• Minimum TTL: 7200

vip1.sfndns.cn

• Serial: 2024090808
• Refresh: 172800
• Retry: 600
• Expire: 1209600
• Minimum TTL: 7200

cl2.sfndns.com

• Serial: 2024090719
• Refresh: 172800
• Retry: 600
• Expire: 1209600
• Minimum TTL: 7200

cl2.sfndns.cn

• Serial: 2024090810
• Refresh: 172800
• Retry: 600
• Expire: 1209600
• Minimum TTL: 7200

vip2.sfndns.cn

• Serial: 2024090719
• Refresh: 172800
• Retry: 600
• Expire: 1209600
• Minimum TTL: 7200

Serial - Warning: Inconsistent across nameservers

REFRESH: 172800 - OK

RETRY: 600 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 7200 - OK

cl1.sfndns.cn

Error: The DNS response does not contain an answer to the question: airchina.com.cn. IN MX

cl1.sfndns.com

Error: The DNS response does not contain an answer to the question: airchina.com.cn. IN MX

vip1.sfndns.cn

Error: The DNS response does not contain an answer to the question: airchina.com.cn. IN MX

cl2.sfndns.com

Error: The DNS response does not contain an answer to the question: airchina.com.cn. IN MX

cl2.sfndns.cn

Error: The DNS response does not contain an answer to the question: airchina.com.cn. IN MX

vip2.sfndns.cn

Error: The DNS response does not contain an answer to the question: airchina.com.cn. IN MX

MX Record Consistency - OK

MX Record Count - OK

No PTR records data available.

• 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 SPF record 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