DNS Report for bibliocommons.com

• ns-1339.awsdns-39.org

  • IPv4: 205.251.197.59
  • IPv6: 2600:9000:5305:3b00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-1674.awsdns-17.co.uk

  • IPv4: 205.251.198.138
  • IPv6: 2600:9000:5306:8a00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-343.awsdns-42.com

  • IPv4: 205.251.193.87
  • IPv6: 2600:9000:5301:5700::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-547.awsdns-04.net

  • IPv4: 205.251.194.35
  • IPv6: 2600:9000:5302:2300::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns-1339.awsdns-39.org

  • Status: Responded
  • IP(s): 99.83.190.102, 75.2.70.75
  • TTL: 3600 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns-1674.awsdns-17.co.uk

  • Status: Responded
  • IP(s): 75.2.70.75, 99.83.190.102
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-343.awsdns-42.com

  • Status: Responded
  • IP(s): 99.83.190.102, 75.2.70.75
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-547.awsdns-04.net

  • Status: Responded
  • IP(s): 75.2.70.75, 99.83.190.102
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns-1339.awsdns-39.org

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-1674.awsdns-17.co.uk

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-343.awsdns-42.com

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-547.awsdns-04.net

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

Serial: 1 - OK

REFRESH: 7200 - OK

RETRY: 900 - OK

EXPIRE: 1209600 - OK

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

ns-1339.awsdns-39.org

• 10 mxa-001a4c01.gslb.pphosted.com ( 67.231.158.153 )
• 10 mxb-001a4c01.gslb.pphosted.com ( 67.231.151.23 )

ns-1674.awsdns-17.co.uk

• 10 mxa-001a4c01.gslb.pphosted.com ( 67.231.158.153 )
• 10 mxb-001a4c01.gslb.pphosted.com ( 67.231.158.153 )

ns-343.awsdns-42.com

• 10 mxa-001a4c01.gslb.pphosted.com ( 67.231.151.23 )
• 10 mxb-001a4c01.gslb.pphosted.com ( 67.231.151.23 )

ns-547.awsdns-04.net

• 10 mxa-001a4c01.gslb.pphosted.com ( 67.231.158.153 )
• 10 mxb-001a4c01.gslb.pphosted.com ( 67.231.158.153 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 153.158.231.67.in-addr.arpa -> mx0c-001a4c01.pphosted.com
• 23.151.231.67.in-addr.arpa -> mx0d-001a4c01.pphosted.com
• 23.151.231.67.in-addr.arpa -> mx0d-001a4c01.pphosted.com
• 153.158.231.67.in-addr.arpa -> mx0c-001a4c01.pphosted.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 ip4:76.9.193.212 ip4:76.9.193.218 include:_spf.elasticemail.com include:sendgrid.net include:amazonses.com include:spf-001a4c01.pphosted.com include:8616836.spf07.hubspotemail.net include:_spf.salesforce.com include:spf.protection.outlook.com inclu
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses: 76.9.193.212, 76.9.193.218
• Includes: _spf.elasticemail.com, sendgrid.net, amazonses.com, spf-001a4c01.pphosted.com, 8616836.spf07.hubspotemail.net, _spf.salesforce.com, spf.protection.outlook.com
• DNS Lookups: 14 (Warning: Exceeds limit)
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

• SPF record doesn't contain an 'all' mechanism
• SPF record has more than 10 DNS lookups, which may cause lookup limits

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: google
• Selector 'google':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcyo7qtn4pFswaeym00n8v9TBANqpfQ7Sewplv0Fen5QdFGNTswGZFEvP0+WQ8kqCzhAl5Y6wNKXJvWZ+WNy9WQQzzmQ4g/5cAeKtY4g0DMpmCG2dpwu/QutuWEIA73nyGQuGQuDmkWm6u2JqL42UezB01dCpz5zyT+sxbh/WZ3wIDAQAB
• Valid Syntax: Yes

• Record: v=DMARC1; p=quarantine; sp=quarantine;
• Syntax: Valid
• Policy: quarantine
• Subdomain Policy: quarantine
• RUA (Aggregate Reports):

DMARC External Validation:

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