DNS Report for tamu.edu

• ns4.tamu.edu

  • IPv4: 192.195.94.166
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns2.tamu.edu

  • IPv4: 128.194.211.238
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns3.tamu.edu

  • IPv4: 66.64.83.4
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns1.tamu.edu

  • IPv4: 165.91.16.133
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns4.tamu.edu

  • Status: Responded
  • IP(s): 75.2.123.204, 99.83.234.45
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.tamu.edu

  • Status: Responded
  • IP(s): 99.83.234.45, 75.2.123.204
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns3.tamu.edu

  • Status: Responded
  • IP(s): 75.2.123.204, 99.83.234.45
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.tamu.edu

  • Status: Responded
  • IP(s): 75.2.123.204, 99.83.234.45
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns4.tamu.edu

• Serial: 7724188
• Refresh: 14400
• Retry: 1440
• Expire: 2419200
• Minimum TTL: 900

ns2.tamu.edu

• Serial: 7724189
• Refresh: 14400
• Retry: 1440
• Expire: 2419200
• Minimum TTL: 900

ns3.tamu.edu

• Serial: 7724189
• Refresh: 14400
• Retry: 1440
• Expire: 2419200
• Minimum TTL: 900

ns1.tamu.edu

• Serial: 7724189
• Refresh: 14400
• Retry: 1440
• Expire: 2419200
• Minimum TTL: 900

Serial - Warning: Inconsistent across nameservers

REFRESH: 14400 - OK

RETRY: 1440 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 900 - Note: Outside recommended range (1-3 hours)

ns4.tamu.edu

• 10 tamu-relay.tamu.edu ( 148.163.139.245 )
• 100 smtp-relay.tamu.edu ( 148.163.135.245 )

ns2.tamu.edu

• 10 tamu-relay.tamu.edu ( 148.163.139.245 )
• 100 smtp-relay.tamu.edu ( 148.163.135.245 )

ns3.tamu.edu

• 10 tamu-relay.tamu.edu ( 148.163.139.245 )
• 100 smtp-relay.tamu.edu ( 148.163.135.245 )

ns1.tamu.edu

• 10 tamu-relay.tamu.edu ( 148.163.139.245 )
• 100 smtp-relay.tamu.edu ( 148.163.135.245 )

MX Record Consistency - OK

MX Record Count - OK

• 245.139.163.148.in-addr.arpa -> mx0b-00178102.pphosted.com
• 245.135.163.148.in-addr.arpa -> mx0a-00178102.pphosted.com

PTR Records - OK

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 4
• DS Records in parent zone: 0
• DS at Parent: None

DNSSEC - OK

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 include:spf0.tamu.edu include:spf1.tamu.edu include:spf2.tamu.edu include:spf3.tamu.edu include:spf4.tamu.edu include:spf5.tamu.edu include:spf6.tamu.edu include:spf7.tamu.edu include:spf8.tamu.edu -all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: spf0.tamu.edu, spf1.tamu.edu, spf2.tamu.edu, spf3.tamu.edu, spf4.tamu.edu, spf5.tamu.edu, spf6.tamu.edu, spf7.tamu.edu, spf8.tamu.edu
• DNS Lookups: 19 (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: Yes
• Selectors Found: google
• Selector 'google':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmvu6oITPaqv9NJrF/tfQlpuG011zELBRlv1SEukxUxGTecP+UXchiBI5j0W5Bi8gteNJniTYjsAWvvGoSs4s7cyA8yE6FzPgVNeO4OFN83A2ChPt0bn87H46sOy3v1gNTt17kKnpaljJ3/
• Valid Syntax: Yes

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