DNS Report for secureworks.com

• edns2.ultradns.org

  • IPv4: 204.74.111.2
  • IPv6: 2001:502:4612::202
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• edns2.ultradns.biz

  • IPv4: 204.74.67.2
  • IPv6: 2610:a1:1015::202
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• edns2.ultradns.net

  • IPv4: 204.74.110.2
  • IPv6: 2610:a1:1014::202
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• edns2.ultradns.com

  • IPv4: 204.74.66.2
  • IPv6: 2001:502:f3ff::202
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• edns2.ultradns.org

  • Status: Responded
  • IP(s): 162.159.140.25
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• edns2.ultradns.biz

  • Status: Responded
  • IP(s): 162.159.140.25
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• edns2.ultradns.net

  • Status: Responded
  • IP(s): 162.159.140.25
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• edns2.ultradns.com

  • Status: Responded
  • IP(s): 162.159.140.25
  • TTL: 900 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

edns2.ultradns.org

• Serial: 2014124056
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

edns2.ultradns.biz

• Serial: 2014124056
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

edns2.ultradns.net

• Serial: 2014124056
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

edns2.ultradns.com

• Serial: 2014124056
• Refresh: 10800
• Retry: 3600
• Expire: 2419200
• Minimum TTL: 900

Serial: 2014124056 - OK

REFRESH: 10800 - OK

RETRY: 3600 - OK

EXPIRE: 2419200 - OK

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

edns2.ultradns.org

• 10 secureworks.mail.protection.outlook.com ( 52.101.42.9 )

edns2.ultradns.biz

• 10 secureworks.mail.protection.outlook.com ( 52.101.8.34 )

edns2.ultradns.net

• 10 secureworks.mail.protection.outlook.com ( 52.101.9.12 )

edns2.ultradns.com

• 10 secureworks.mail.protection.outlook.com ( 52.101.9.12 )

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
• 34.8.101.52.in-addr.arpa -> mail-dm2pr04cu00102.inbound.protection.outlook.com
• 12.9.101.52.in-addr.arpa -> mail-bl0pr05cu00504.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:_spf1.secureworks.com include:_spf2.secureworks.com ip4:64.39.96.0/20 ip4:64.41.200.0/24 ip4:148.163.158.195 ip4:148.163.156.198 include:spf.protection.outlook.com include:_spf3.secureworks.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 64.39.96.0/20, 64.41.200.0/24, 148.163.158.195, 148.163.156.198
• Includes: _spf1.secureworks.com, _spf2.secureworks.com, spf.protection.outlook.com, _spf3.secureworks.com
• DNS Lookups: 5
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

• DKIM Records Found: Yes
• Selectors Found: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDWjjMLp40mMwRvnlT3fIGPWBTwQZqBLhleZCSik+Nlklw4XHiJ89dBadkyElrY8CBBMAMp6d3hYxUiU1JPOEg7EshPCeOq+a9Q2jR6s8xu7Jzw6Mq+kb5vNF2cN1My/x4esQNY+POPx7RE2B3Wo6d6XNbrRfoWAfeTpYUWPSBJxwIDAQAB; n=1024,1449691676,1
• Valid Syntax: Yes

• Record: v=DMARC1; p=reject; aspf=r; adkim=r; sp=reject; rua=mailto:[email protected]
• Syntax: Valid
• Policy: reject
• Subdomain Policy: reject
• RUA (Aggregate Reports): mailto:[email protected]
• DKIM Alignment (adkim): Relaxed
• SPF Alignment (aspf): Relaxed

DMARC External Validation:

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