Httpfy

DNS Report for gitbook.io

Date Generated: 2024-08-13 21:59:43

Nameservers

  • dahlia.ns.cloudflare.com
  • hugh.ns.cloudflare.com

Nameserver Count - OK

Nameserver Queries

  • dahlia.ns.cloudflare.com
    • Status: Responded
    • IP(s): 104.18.0.81, 104.18.1.81
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • hugh.ns.cloudflare.com
    • Status: Responded
    • IP(s): 104.18.0.81, 104.18.1.81
    • TTL: 300 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections

SOA Records

dahlia.ns.cloudflare.com
  • Serial: 2348561116
  • Refresh: 10000
  • Retry: 2400
  • Expire: 604800
  • Minimum TTL: 1800
hugh.ns.cloudflare.com
  • Serial: 2348561116
  • Refresh: 10000
  • Retry: 2400
  • Expire: 604800
  • Minimum TTL: 1800

Serial: 2348561116 - OK

REFRESH: 10000 - OK

RETRY: 2400 - OK

EXPIRE: 604800 - OK

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

MX Records

dahlia.ns.cloudflare.com
hugh.ns.cloudflare.com

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 27.202.85.209.in-addr.arpa -> dg-in-f27.1e100.net
  • 27.184.233.64.in-addr.arpa -> wa-in-f27.1e100.net
  • 26.184.233.64.in-addr.arpa -> wa-in-f26.1e100.net
  • 26.202.85.209.in-addr.arpa -> dg-in-f26.1e100.net
  • 27.180.233.64.in-addr.arpa -> pe-in-f27.1e100.net
  • 27.202.85.209.in-addr.arpa -> dg-in-f27.1e100.net
  • 26.202.85.209.in-addr.arpa -> dg-in-f26.1e100.net

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 (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 a mx include:_spf.google.com include:sendgrid.net include:stspg-customer.com -all
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: _spf.google.com, sendgrid.net, stspg-customer.com
  • DNS Lookups: 6
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: -all
Errors:
  • SPF record syntax is invalid

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: google
  • Selector 'google':
    Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNOaPg/6XTvWJZ+PIbuRUBF8KZXipVYR+Q2x5UvRpPUFWnqZUoLa5RXRv0Bo73UJ1/XJ2H0rAINYXO1ectF+IyE9gzVrO1+mJ7DLXxK1+XydS3llCNTRo6EN+EuZOEqjoJUQY/EashKB7fjeS7weQptjprHEhg5I8PxY8I9wdRQwIDAQAB
  • Valid Syntax: Yes

DMARC

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