DNS Report for bu.edu

• edns01.bu.edu

  • IPv4: 54.162.183.186
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• edns03.bu.edu

  • IPv4: 3.210.172.14
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• edns02.bu.edu

  • IPv4: 168.122.254.62
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

Nameserver Count - OK

• edns01.bu.edu

  • Status: Responded
  • IP(s): 128.197.236.4
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• edns03.bu.edu

  • Status: Responded
  • IP(s): 128.197.236.4
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• edns02.bu.edu

  • Status: Responded
  • IP(s): 128.197.236.4
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

edns01.bu.edu

• Serial: 970867536
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 600

edns03.bu.edu

• Serial: 970867536
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 600

edns02.bu.edu

• Serial: 970867536
• Refresh: 600
• Retry: 300
• Expire: 604800
• Minimum TTL: 600

Serial: 970867536 - OK

REFRESH: 600 - OK

RETRY: 300 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 600 - Note: Outside recommended range (1-3 hours)

edns01.bu.edu

• 5 mx1.hc2706-39.iphmx.com ( 216.71.137.83 )
• 5 mx2.hc2706-39.iphmx.com ( 216.71.137.82 )

edns03.bu.edu

• 5 mx1.hc2706-39.iphmx.com ( 216.71.152.49 )
• 5 mx2.hc2706-39.iphmx.com ( 216.71.137.80 )

edns02.bu.edu

• 5 mx1.hc2706-39.iphmx.com ( 216.71.137.80 )
• 5 mx2.hc2706-39.iphmx.com ( 216.71.137.63 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 83.137.71.216.in-addr.arpa -> esa13.hc2706-39.iphmx.com
• 82.137.71.216.in-addr.arpa -> esa12.hc2706-39.iphmx.com
• 80.137.71.216.in-addr.arpa -> esa7.hc2706-39.iphmx.com
• 80.137.71.216.in-addr.arpa -> esa7.hc2706-39.iphmx.com
• 63.137.71.216.in-addr.arpa -> esa5.hc2706-39.iphmx.com
• 49.152.71.216.in-addr.arpa -> esa2.hc2706-39.iphmx.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 ip6:2610:58::/32 ip4:128.197.0.0/16 ip4:168.122.0.0/16 ip4:155.41.128.0/17 ip4:192.5.206.0/23 ip4:192.5.208.0/24 ip4:192.12.185.0/24 ip4:192.12.186.0/23 ip4:192.12.188.0/22 ip4:192.54.224.0/24 ip4:204.8.152.0/21 ip4:107.23.16.222 ip4:54.173.83.138
• SPF Syntax: Failed
• Deprecated Elements: Passed
• IP Addresses: 2610:58::/32, 128.197.0.0/16, 168.122.0.0/16, 155.41.128.0/17, 192.5.206.0/23, 192.5.208.0/24, 192.12.185.0/24, 192.12.186.0/23, 192.12.188.0/22, 192.54.224.0/24, 204.8.152.0/21, 107.23.16.222, 54.173.83.138
• Includes:
• DNS Lookups: 0
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

• SPF record doesn't contain an 'all' mechanism

Errors:

• SPF record syntax is invalid

• DKIM Records Found: Yes
• Selectors Found: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDaoJmVMwo30OpLq6nDnhzbBScHerFGG4QAce+lPp3ZOxj1jfpHHT/mgTMKUzffu+d+EJfvOp8anz3oUrG7IaSMWMfOJe8G1zW/GCA9FHsAI7TOpGh3VVSmjA4YGNR3QfXK2trciYoa5QZkSzeJLI50SakxeRuiEuuSDtKyRTylIQIDAQAB; n=1024,1450505715,1
• Valid Syntax: Yes

• Record: v=DMARC1; p=quarantine; pct=35; fo=1; ri=3600; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
• Syntax: Valid
• Policy: quarantine
• Percent: 35%
• RUA (Aggregate Reports): mailto:[email protected], mailto:[email protected]
• RUF (Forensic Reports): mailto:[email protected], mailto:[email protected]
• Failure Options (fo): 1
• Reporting Interval: 3600 seconds

DMARC External Validation:

• Valid external domains: inbox.ondmarc.com, ag.dmarcian.com, inbox.ondmarc.com, fr.dmarcian.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.