DNS Report for bilibili.tv

• ns-cloud-a4.googledomains.com

  • IPv4: 216.239.38.106
  • IPv6: 2001:4860:4802:38::6a
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-cloud-a3.googledomains.com

  • IPv4: 216.239.36.106
  • IPv6: 2001:4860:4802:36::6a
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-cloud-a1.googledomains.com

  • IPv4: 216.239.32.106
  • IPv6: 2001:4860:4802:32::6a
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-cloud-a2.googledomains.com

  • IPv4: 216.239.34.106
  • IPv6: 2001:4860:4802:34::6a
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns-cloud-a4.googledomains.com

  • Status: Responded
  • IP(s): 103.151.151.133, 103.151.151.134, 164.52.28.62
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns-cloud-a3.googledomains.com

  • Status: Responded
  • IP(s): 103.151.151.133, 164.52.28.62, 103.151.151.134
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns-cloud-a1.googledomains.com

  • Status: Responded
  • IP(s): 164.52.28.62, 103.151.151.133, 103.151.151.134
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns-cloud-a2.googledomains.com

  • Status: Responded
  • IP(s): 103.151.151.133, 164.52.28.62, 103.151.151.134
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

ns-cloud-a4.googledomains.com

• Serial: 1
• Refresh: 21600
• Retry: 3600
• Expire: 259200
• Minimum TTL: 300

ns-cloud-a3.googledomains.com

• Serial: 1
• Refresh: 21600
• Retry: 3600
• Expire: 259200
• Minimum TTL: 300

ns-cloud-a1.googledomains.com

• Serial: 1
• Refresh: 21600
• Retry: 3600
• Expire: 259200
• Minimum TTL: 300

ns-cloud-a2.googledomains.com

• Serial: 1
• Refresh: 21600
• Retry: 3600
• Expire: 259200
• Minimum TTL: 300

Serial: 1 - OK

REFRESH: 21600 - OK

RETRY: 3600 - OK

EXPIRE: 259200 - OK

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

ns-cloud-a4.googledomains.com

• 10 bilibili-tv.mail.protection.outlook.com ( 52.101.137.2 )

ns-cloud-a3.googledomains.com

• 10 bilibili-tv.mail.protection.outlook.com ( 52.101.137.2 )

ns-cloud-a1.googledomains.com

• 10 bilibili-tv.mail.protection.outlook.com ( 52.101.132.30 )

ns-cloud-a2.googledomains.com

• 10 bilibili-tv.mail.protection.outlook.com ( 52.101.137.2 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 2.137.101.52.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 2.137.101.52.in-addr.arpa.
• 30.132.101.52.in-addr.arpa -> mail-hk3pr03cu00106.inbound.protection.outlook.com

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:spf.protection.outlook.com -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: spf.protection.outlook.com
• DNS Lookups: 2
• 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