DNS Report for purdue.edu

• ns3.purdue.edu

  • IPv4: 128.210.224.226
  • IPv6: 2001:18e8:800:200::a
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pendragon.cs.purdue.edu

  • IPv4: 128.10.2.5
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• harbor.ecn.purdue.edu

  • IPv4: 128.46.154.76
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns4.purdue.edu

  • IPv4: 128.210.224.234
  • IPv6: 2001:18e8:800:201::a
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns1.rice.edu

  • IPv4: 128.42.209.32
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns2.rice.edu

  • IPv4: 128.42.178.32
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• ns3.purdue.edu

  • Status: Responded
  • IP(s): 128.210.7.200
  • TTL: 86400 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• pendragon.cs.purdue.edu

  • Status: Responded
  • IP(s): 128.210.7.200
  • TTL: 86400 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• harbor.ecn.purdue.edu

  • Status: Responded
  • IP(s): 128.210.7.200
  • TTL: 86400 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns4.purdue.edu

  • Status: Responded
  • IP(s): 128.210.7.200
  • TTL: 86400 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns1.rice.edu

  • Status: Responded
  • IP(s): 128.210.7.200
  • TTL: 86400 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2.rice.edu

  • Status: Responded
  • IP(s): 128.210.7.200
  • TTL: 86400 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns3.purdue.edu

• Serial: 716086380
• Refresh: 1200
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

pendragon.cs.purdue.edu

• Serial: 716086380
• Refresh: 1200
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

harbor.ecn.purdue.edu

• Serial: 716086380
• Refresh: 1200
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

ns4.purdue.edu

• Serial: 716086380
• Refresh: 1200
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

ns1.rice.edu

• Serial: 716086380
• Refresh: 1200
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

ns2.rice.edu

• Serial: 716086380
• Refresh: 1200
• Retry: 180
• Expire: 1209600
• Minimum TTL: 3600

Serial: 716086380 - OK

REFRESH: 1200 - OK

RETRY: 180 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 3600 - OK

ns3.purdue.edu

• 0 purdue-edu.mail.protection.outlook.com ( 52.101.42.9 )

pendragon.cs.purdue.edu

• 0 purdue-edu.mail.protection.outlook.com ( 52.101.40.24 )

harbor.ecn.purdue.edu

• 0 purdue-edu.mail.protection.outlook.com ( 52.101.41.0 )

ns4.purdue.edu

• 0 purdue-edu.mail.protection.outlook.com ( 52.101.11.10 )

ns1.rice.edu

• 0 purdue-edu.mail.protection.outlook.com ( 52.101.40.6 )

ns2.rice.edu

• 0 purdue-edu.mail.protection.outlook.com ( 52.101.10.1 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 9.42.101.52.in-addr.arpa -> mail-co1pr05cu00201.inbound.protection.outlook.com
• 0.41.101.52.in-addr.arpa -> mail-byapr05cu00400.inbound.protection.outlook.com
• 6.40.101.52.in-addr.arpa -> mail-cy1pr03cu00106.inbound.protection.outlook.com
• 24.40.101.52.in-addr.arpa -> mail-cy5pr05cu00100.inbound.protection.outlook.com
• 10.11.101.52.in-addr.arpa -> mail-sa9pr03cu00202.inbound.protection.outlook.com
• 1.10.101.52.in-addr.arpa -> mail-bn6pr02cu00301.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 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: %{i}._ip.%{h}._ehlo.%{d}._spf.vali.email
• 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: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDRLSZ7lFd6tuD2v6SVo0SW2EW9exN/+LXRjKDG2TEQr/EV0X4tWuSenO/X+1d6h0xWc0fI4TEEKDLnR1jMsRRuzrWTwjkluMyRNKqLB4Rsi73F4JhlHdpbxR+6h5jasRWYcOdFxDQ6se9EgCYkuJJ/MklacfXhUDmeioGVGV7pgQIDAQAB; n=1024,1453155081,1
• Valid Syntax: Yes

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

DMARC External Validation:

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