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DNS Report for weibo.com

Date Generated: 2024-07-06 12:13:41
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Nameservers

  • ns4.sina.com
    • IPv4: 123.125.29.99
    • IPv6: No IPv6 found
    • TTL (IPv4): 86400 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • ns2.sina.com.cn
    • IPv4: 180.149.138.199
    • IPv6: No IPv6 found
    • TTL (IPv4): 86400 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • ns3.sina.com.cn
    • IPv4: 123.125.29.99
    • IPv6: No IPv6 found
    • TTL (IPv4): 86400 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • ns3.sina.com
    • IPv4: 180.149.138.199
    • IPv6: No IPv6 found
    • TTL (IPv4): 86400 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • ns1.sina.com.cn
    • IPv4: 221.179.193.14
    • IPv6: No IPv6 found
    • TTL (IPv4): 86400 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • ns4.sina.com.cn
    • IPv4: 183.60.92.12
    • IPv6: No IPv6 found
    • TTL (IPv4): 86400 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns4.sina.com
    • Status: Responded
    • IP(s): 36.51.224.126, 36.51.224.123
    • TTL: 60 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns2.sina.com.cn
    • Status: Responded
    • IP(s): 36.51.224.123, 36.51.224.126
    • TTL: 60 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns3.sina.com.cn
    • Status: Responded
    • IP(s): 36.51.224.126, 36.51.224.123
    • TTL: 60 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns3.sina.com
    • Status: Responded
    • IP(s): 36.51.224.123, 36.51.224.126
    • TTL: 60 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns1.sina.com.cn
    • Status: Responded
    • IP(s): 36.51.224.126, 36.51.224.123
    • TTL: 60 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns4.sina.com.cn
    • Status: Responded
    • IP(s): 36.51.224.123, 36.51.224.126
    • TTL: 60 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

ns4.sina.com
  • Serial: 1
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600
ns2.sina.com.cn
  • Serial: 1
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600
ns3.sina.com.cn
  • Serial: 1
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600
ns3.sina.com
  • Serial: 1
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600
ns1.sina.com.cn
  • Serial: 1
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600
ns4.sina.com.cn
  • Serial: 1
  • Refresh: 28800
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 600

Serial: 1 - OK

REFRESH: 28800 - OK

RETRY: 7200 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 600 - Note: Outside recommended range (1-3 hours)

MX Records

ns4.sina.com
ns2.sina.com.cn
ns3.sina.com.cn
ns3.sina.com
ns1.sina.com.cn
ns4.sina.com.cn

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 76.254.51.36.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 76.254.51.36.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:spf.weibo.com -all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf.weibo.com
  • DNS Lookups: 2
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: -all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: No
Warnings:
  • No DKIM records found for common selectors

DMARC

  • Record: v=DMARC1;p=reject
  • Syntax: Valid
  • Policy: reject
  • RUA (Aggregate Reports):
DMARC External Validation:
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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