DNS Report for clemson.edu

• extns2.clemson.edu

  • IPv4: 130.127.255.253
  • IPv6: 2620:103:a004::253
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• extns1.clemson.edu

  • IPv4: 130.127.255.252
  • IPv6: 2620:103:a004::252
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• extns3.clemson.edu

  • IPv4: 192.5.219.10
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• extns2.clemson.edu

  • Status: Responded
  • IP(s): 130.127.204.30
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• extns1.clemson.edu

  • Status: Responded
  • IP(s): 130.127.204.30
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• extns3.clemson.edu

  • Status: Responded
  • IP(s): 130.127.204.30
  • TTL: 300 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

extns2.clemson.edu

• Serial: 2024091410
• Refresh: 3600
• Retry: 900
• Expire: 1209600
• Minimum TTL: 5400

extns1.clemson.edu

• Serial: 2024091410
• Refresh: 3600
• Retry: 900
• Expire: 1209600
• Minimum TTL: 5400

extns3.clemson.edu

• Serial: 2024091410
• Refresh: 3600
• Retry: 900
• Expire: 1209600
• Minimum TTL: 5400

Serial: 2024091410 - OK

REFRESH: 3600 - OK

RETRY: 900 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 5400 - OK

extns2.clemson.edu

• 0 clemson-edu.mail.protection.outlook.com ( 52.101.41.28 )

extns1.clemson.edu

• 0 clemson-edu.mail.protection.outlook.com ( 52.101.11.2 )

extns3.clemson.edu

• 0 clemson-edu.mail.protection.outlook.com ( 52.101.8.44 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 44.8.101.52.in-addr.arpa -> mail-dm5pr04cu00104.inbound.protection.outlook.com
• 2.11.101.52.in-addr.arpa -> mail-sn1pr03cu00102.inbound.protection.outlook.com
• 28.41.101.52.in-addr.arpa -> mail-sj0pr03cu01504.inbound.protection.outlook.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 ip4:130.127.0.0/16 ip4:192.5.219.0/24 include:spf.protection.outlook.com include:spf0.clemson.edu ip4:198.187.196.100 ip4:198.187.196.130 include:%{ir}.%{v}.cu.spf.clemson.edu ~all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses: 130.127.0.0/16, 192.5.219.0/24, 198.187.196.100, 198.187.196.130
• Includes: spf.protection.outlook.com, spf0.clemson.edu, %{ir}.%{v}.cu.spf.clemson.edu
• DNS Lookups: 4
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: default
• Selector 'default':
  Record: v=DKIM1; k=rsa;
• Valid Syntax: No

Warnings:

• DKIM record for selector 'default' may be incomplete

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

DMARC External Validation:

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