DNS Report for nginx.org

• ns.nginx.org

  • IPv4: 206.251.255.60
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns2.nginx.org

  • IPv4: 95.211.80.227
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns.nginx.org

  • Status: Responded
  • IP(s): 3.125.197.172, 52.58.199.22
  • TTL: 120 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns2.nginx.org

  • Status: Responded
  • IP(s): 3.125.197.172, 52.58.199.22
  • TTL: 120 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns.nginx.org

• Serial: 201304725
• Refresh: 28800
• Retry: 7200
• Expire: 604800
• Minimum TTL: 86400

ns2.nginx.org

• Serial: 201304725
• Refresh: 28800
• Retry: 7200
• Expire: 604800
• Minimum TTL: 86400

Serial: 201304725 - OK

REFRESH: 28800 - OK

RETRY: 7200 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 86400 - Note: Outside recommended range (1-3 hours)

ns.nginx.org

• 10 mail.nginx.org ( 206.251.255.65 )

ns2.nginx.org

• 10 mail.nginx.org ( 206.251.255.65 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 65.255.251.206.in-addr.arpa -> mail.nginx.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 ip4:206.251.255.60/30 ip4:206.251.255.64/31 ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 206.251.255.60/30, 206.251.255.64/31
• Includes:
• DNS Lookups: 1
• 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