DNS Report for mathjax.org

• dina.ns.cloudflare.com

  • IPv4: 173.245.58.107, 108.162.192.107, 172.64.32.107
  • IPv6: 2a06:98c1:50::ac40:206b, 2803:f800:50::6ca2:c06b, 2606:4700:50::adf5:3a6b
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• walt.ns.cloudflare.com

  • IPv4: 172.64.33.148, 108.162.193.148, 173.245.59.148
  • IPv6: 2606:4700:58::adf5:3b94, 2803:f800:50::6ca2:c194, 2a06:98c1:50::ac40:2194
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• dina.ns.cloudflare.com

  • Status: Responded
  • IP(s): 172.67.72.172, 104.26.13.220, 104.26.12.220
  • TTL: 300 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• walt.ns.cloudflare.com

  • Status: Responded
  • IP(s): 104.26.13.220, 104.26.12.220, 172.67.72.172
  • TTL: 300 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

dina.ns.cloudflare.com

• Serial: 2349831751
• Refresh: 10000
• Retry: 2400
• Expire: 604800
• Minimum TTL: 1800

walt.ns.cloudflare.com

• Serial: 2349831751
• Refresh: 10000
• Retry: 2400
• Expire: 604800
• Minimum TTL: 1800

Serial: 2349831751 - OK

REFRESH: 10000 - OK

RETRY: 2400 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 1800 - Note: Outside recommended range (1-3 hours)

dina.ns.cloudflare.com

• 9 route3.mx.cloudflare.net ( 162.159.205.24 )
• 70 route1.mx.cloudflare.net ( 162.159.205.12 )
• 93 route2.mx.cloudflare.net ( 162.159.205.19 )

walt.ns.cloudflare.com

• 9 route3.mx.cloudflare.net ( 162.159.205.25 )
• 70 route1.mx.cloudflare.net ( 162.159.205.11 )
• 93 route2.mx.cloudflare.net ( 162.159.205.18 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 25.205.159.162.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 25.205.159.162.in-addr.arpa.
• 19.205.159.162.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 19.205.159.162.in-addr.arpa.
• 12.205.159.162.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 12.205.159.162.in-addr.arpa.
• 24.205.159.162.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 24.205.159.162.in-addr.arpa.
• 11.205.159.162.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 11.205.159.162.in-addr.arpa.
• 18.205.159.162.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 18.205.159.162.in-addr.arpa.

PTR Records - OK

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 2
• DS Records in parent zone: 0
• DS at Parent: False

DNSSEC - OK

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.google.com, _spf.mx.cloudflare.net
• DNS Lookups: 5
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

• DKIM Records Found: Yes
• Selectors Found: google
• Selector 'google':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAicoGS0ILA/EOQ+Pr+fTZmaAPdEBXXkfZRoSgVB6hiCBVAFWIFLq2YmGIkpyn5mnkXkGD1Kd8NNkA3jt5I1xRRLMLC7nzdcyIg6cecwDjS7aeLB6qdkO0bxA7diPX9NNpmUM14TPUK2wsCREPjKxJhn7+BahapZbq7A4KHYgP5+BpX/E2unuR08a/zd/9VUooi
• Valid Syntax: Yes

• Record: v=DMARC1; p=none; rua=mailto:[email protected]; adkim=r; aspf=r;
• Syntax: Valid
• Policy: none
• RUA (Aggregate Reports): mailto:[email protected]
• DKIM Alignment (adkim): Relaxed
• SPF Alignment (aspf): Relaxed

DMARC External Validation:

• All external domains in your DMARC record are giving permission to send them DMARC reports.