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DNS Report for alibaba-inc.com

Date Generated: 2024-08-05 18:58:06
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Nameservers

Nameserver Count - OK

Nameserver Queries

  • ns2.alibabadns.com
    • Status: Responded
    • IP(s): 121.0.17.65
    • TTL: 3600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns1.alibabadns.com
    • Status: Responded
    • IP(s): 121.0.17.65
    • TTL: 3600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

ns2.alibabadns.com
  • Serial: 2018112721
  • Refresh: 3600
  • Retry: 1200
  • Expire: 86400
  • Minimum TTL: 360
ns1.alibabadns.com
  • Serial: 2018112721
  • Refresh: 3600
  • Retry: 1200
  • Expire: 86400
  • Minimum TTL: 360

Serial: 2018112721 - OK

REFRESH: 3600 - OK

RETRY: 1200 - OK

EXPIRE: 86400 - OK

MINIMUM TTL: 360 - Note: Outside recommended range (1-3 hours)

MX Records

ns2.alibabadns.com
ns1.alibabadns.com

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

  • 48.137.246.47.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 48.137.246.47.in-addr.arpa.
  • 48.137.246.47.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 48.137.246.47.in-addr.arpa.

PTR Records - OK

DNSSEC

DNSSEC Inspector
  • 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 (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 include:spf1.staff.mail.aliyun.com -all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf1.staff.mail.aliyun.com
  • DNS Lookups: 5
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: -all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: default
  • Selector 'default':
    Record: v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJQhKqiOsBbo/XVkpX8LYq0EDr7mwSbt92lOkG0yQC2SQ4xxNFdXzSn0H85daJO5QDm1GRJluEqAxLsnSrbARhnYBKVGp/Ft/mwR3llTllYG4dx7tpiV5c2SpcarxadzZ6p6jICsUJgg1z49ab15+J791ns3uyLUSJc51PKQjF3QIDAQAB
  • Valid Syntax: Yes

DMARC

DMARC External Validation:
  • Valid external domains: service.alibaba.com, service.alibaba.com
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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