DNS Report for frontier.com

• auth.dlls.pa.frontiernet.net

  • IPv4: 199.224.64.201
  • IPv6: 2001:1960:20:4000::201
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• a13-67.akam.net

  • IPv4: 2.22.230.67
  • IPv6: 2600:1480:800::43
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• auth.frontiernet.net

  • IPv4: 74.40.74.20
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• a1-204.akam.net

  • IPv4: 193.108.91.204
  • IPv6: 2600:1401:2::cc
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• auth.roch.ny.frontiernet.net

  • IPv4: 66.133.170.3
  • IPv6: 2001:1960:20::303
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• auth.dlls.pa.frontiernet.net

  • Status: Responded
  • IP(s): 20.40.245.117
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• a13-67.akam.net

  • Status: Responded
  • IP(s): 20.40.245.117
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• auth.frontiernet.net

  • Status: Responded
  • IP(s): 20.40.245.117
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• a1-204.akam.net

  • Status: Responded
  • IP(s): 20.40.245.117
  • TTL: 300 seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• auth.roch.ny.frontiernet.net

  • Status: Responded
  • IP(s): 20.40.245.117
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

auth.dlls.pa.frontiernet.net

• Serial: 2408130001
• Refresh: 900
• Retry: 300
• Expire: 604800
• Minimum TTL: 3600

a13-67.akam.net

• Serial: 2408130001
• Refresh: 900
• Retry: 300
• Expire: 604800
• Minimum TTL: 3600

auth.frontiernet.net

• Serial: 2408130001
• Refresh: 900
• Retry: 300
• Expire: 604800
• Minimum TTL: 3600

a1-204.akam.net

• Serial: 2408130001
• Refresh: 900
• Retry: 300
• Expire: 604800
• Minimum TTL: 3600

auth.roch.ny.frontiernet.net

• Serial: 2408130001
• Refresh: 900
• Retry: 300
• Expire: 604800
• Minimum TTL: 3600

Serial: 2408130001 - OK

REFRESH: 900 - OK

RETRY: 300 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 3600 - OK

auth.dlls.pa.frontiernet.net

• 1 mta5.am0.yahoodns.net ( 67.195.228.106 )
• 1 mta6.am0.yahoodns.net ( 67.195.228.111 )
• 1 mta7.am0.yahoodns.net ( 98.136.96.74 )
• 10 mx.dlls.pa.frontiernet.net ( 199.224.64.204 )
• 10 mx.frontiernet.net ( 66.133.129.79 )

a13-67.akam.net

• 1 mta5.am0.yahoodns.net ( 67.195.228.106 )
• 1 mta6.am0.yahoodns.net ( 98.136.96.91 )
• 1 mta7.am0.yahoodns.net ( 67.195.228.111 )
• 10 mx.dlls.pa.frontiernet.net ( 199.224.64.204 )
• 10 mx.frontiernet.net ( 66.133.129.79 )

auth.frontiernet.net

• 1 mta5.am0.yahoodns.net ( 67.195.204.77 )
• 1 mta6.am0.yahoodns.net ( 67.195.204.73 )
• 1 mta7.am0.yahoodns.net ( 67.195.204.73 )
• 10 mx.dlls.pa.frontiernet.net ( 199.224.64.204 )
• 10 mx.frontiernet.net ( 66.133.129.79 )

a1-204.akam.net

• 1 mta5.am0.yahoodns.net ( 67.195.204.73 )
• 1 mta6.am0.yahoodns.net ( 98.136.96.75 )
• 1 mta7.am0.yahoodns.net ( 98.136.96.91 )
• 10 mx.dlls.pa.frontiernet.net ( 199.224.64.204 )
• 10 mx.frontiernet.net ( 66.133.129.79 )

auth.roch.ny.frontiernet.net

• 1 mta5.am0.yahoodns.net ( 67.195.228.94 )
• 1 mta6.am0.yahoodns.net ( 67.195.204.79 )
• 1 mta7.am0.yahoodns.net ( 98.136.96.76 )
• 10 mx.dlls.pa.frontiernet.net ( 199.224.64.204 )
• 10 mx.frontiernet.net ( 66.133.129.79 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 204.64.224.199.in-addr.arpa -> mx.dlls.pa.frontiernet.net
• 94.228.195.67.in-addr.arpa -> mtaproxy1.free.mail.vip.gq1.yahoo.com
• 77.204.195.67.in-addr.arpa -> mtaproxy1.free.mail.vip.bf1.yahoo.com
• 111.228.195.67.in-addr.arpa -> mtaproxy4.free.mail.vip.gq1.yahoo.com
• 79.129.133.66.in-addr.arpa -> mx.roch.ny.frontiernet.net
• 73.204.195.67.in-addr.arpa -> mtaproxy4.free.mail.vip.bf1.yahoo.com
• 106.228.195.67.in-addr.arpa -> mtaproxy2.free.mail.vip.gq1.yahoo.com
• 79.204.195.67.in-addr.arpa -> mtaproxy2.free.mail.vip.bf1.yahoo.com
• 91.96.136.98.in-addr.arpa -> mtaproxy3.free.mail.vip.ne1.yahoo.com
• 75.96.136.98.in-addr.arpa -> mtaproxy1.free.mail.vip.ne1.yahoo.com
• 73.204.195.67.in-addr.arpa -> mtaproxy4.free.mail.vip.bf1.yahoo.com
• 91.96.136.98.in-addr.arpa -> mtaproxy3.free.mail.vip.ne1.yahoo.com
• 73.204.195.67.in-addr.arpa -> mtaproxy4.free.mail.vip.bf1.yahoo.com
• 111.228.195.67.in-addr.arpa -> mtaproxy4.free.mail.vip.gq1.yahoo.com
• 74.96.136.98.in-addr.arpa -> mtaproxy2.free.mail.vip.ne1.yahoo.com
• 76.96.136.98.in-addr.arpa -> mtaproxy4.free.mail.vip.ne1.yahoo.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 include:_spf.frontier.com include:_spf.mail.yahoo.com include:sendgrid.net include:mktomail.com include:icpbounce.com include:_spf.act-on.net include:rs-relay.synchronoss.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.frontier.com, _spf.mail.yahoo.com, sendgrid.net, mktomail.com, icpbounce.com, _spf.act-on.net, rs-relay.synchronoss.com
• DNS Lookups: 13 (Warning: Exceeds limit)
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

Warnings:

• SPF record has more than 10 DNS lookups, which may cause lookup limits

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
• Syntax: Valid
• Policy: none
• RUA (Aggregate Reports): mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected]
• Failure Options (fo): 1

DMARC External Validation:

• Valid external domains: emaildefense.proofpoint.com, emaildefense.proofpoint.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.