DNS Report for ebscohost.com

• ns20.customer.level3.net

  • IPv4: 209.244.5.53
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• ns29.customer.level3.net

  • IPv4: 209.244.5.212
  • IPv6: No IPv6 found
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): N/A seconds
  • Recursive: N/A

• pdns220.ultradns.biz

  • IPv4: 156.154.66.220
  • IPv6: 2610:a1:1015::100
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns220.ultradns.com

  • IPv4: 156.154.64.220
  • IPv6: 2001:502:f3ff::100
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns220.ultradns.net

  • IPv4: 156.154.65.220
  • IPv6: 2610:a1:1014::100
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns220.ultradns.org

  • IPv4: 156.154.67.220
  • IPv6: 2001:502:4612::100
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns20.customer.level3.net

  • Status: Responded
  • IP(s): 23.185.0.3
  • TTL: 600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns29.customer.level3.net

  • Status: Responded
  • IP(s): 23.185.0.3
  • TTL: 600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• pdns220.ultradns.biz

  • Status: Responded
  • IP(s): 23.185.0.3
  • TTL: 600 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns220.ultradns.com

  • Status: Responded
  • IP(s): 23.185.0.3
  • TTL: 600 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns220.ultradns.net

  • Status: Responded
  • IP(s): 23.185.0.3
  • TTL: 600 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns220.ultradns.org

  • Status: Responded
  • IP(s): 23.185.0.3
  • TTL: 600 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

ns20.customer.level3.net

• Serial: 2013064040
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

ns29.customer.level3.net

• Serial: 2013064040
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

pdns220.ultradns.biz

• Serial: 2013064040
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

pdns220.ultradns.com

• Serial: 2013064040
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

pdns220.ultradns.net

• Serial: 2013064040
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

pdns220.ultradns.org

• Serial: 2013064040
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

Serial: 2013064040 - OK

REFRESH: 10800 - OK

RETRY: 3600 - OK

EXPIRE: 2419200 - OK

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

ns20.customer.level3.net

• 10 ebscohost-com.mail.protection.outlook.com ( 52.101.11.2 )

ns29.customer.level3.net

• 10 ebscohost-com.mail.protection.outlook.com ( 52.101.41.28 )

pdns220.ultradns.biz

• 10 ebscohost-com.mail.protection.outlook.com ( 52.101.9.17 )

pdns220.ultradns.com

• 10 ebscohost-com.mail.protection.outlook.com ( 52.101.10.14 )

pdns220.ultradns.net

• 10 ebscohost-com.mail.protection.outlook.com ( 52.101.41.21 )

pdns220.ultradns.org

• 10 ebscohost-com.mail.protection.outlook.com ( 52.101.41.21 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

• 2.11.101.52.in-addr.arpa -> mail-sn1pr03cu00102.inbound.protection.outlook.com
• 14.10.101.52.in-addr.arpa -> mail-bn6pr04cu00206.inbound.protection.outlook.com
• 21.41.101.52.in-addr.arpa -> mail-sj2pr05cu00305.inbound.protection.outlook.com
• 28.41.101.52.in-addr.arpa -> mail-sj0pr03cu01504.inbound.protection.outlook.com
• 17.9.101.52.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 17.9.101.52.in-addr.arpa.

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:_spf1.epnet.com include:_spf3.epnet.com include:_spfa.ebsco.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf1.epnet.com, _spf3.epnet.com, _spfa.ebsco.com
• DNS Lookups: 5
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

• DKIM Records Found: Yes
• Selectors Found: key2
• Selector 'key2':
  Record: v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu/Ry2t8M6gEa9tiwURkg5RrL5bm9IgEiyzaLtx7wWdyq/t8ani/HxuKB0oLRGDfSwuYS1Rkc86VJOyPdFE79/YDLAAnGjIdio9c2tdjs4Ead+RqY/z3EwF2CsvCP1ClxC6lGV1yS9dApwMz4f4CVUnTDNyzK8a43Ra1byKVvFw0wNAKlvNCBFu7
• Valid Syntax: No

Warnings:

• DKIM record for selector 'key2' may be incomplete

• Record: v=DMARC1;
• Syntax: Valid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

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

Warnings:

• Invalid policy: None