DNS Report for skypeforbusiness.com

• ns1-36.azure-dns.com

  • IPv4: 150.171.10.36
  • IPv6: 2603:1061:0:10::24
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns2-36.azure-dns.net

  • IPv4: 150.171.16.36
  • IPv6: 2620:1ec:8ec:10::24
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns3-36.azure-dns.org

  • IPv4: 13.107.222.36
  • IPv6: 2a01:111:4000:10::24
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns4-36.azure-dns.info

  • IPv4: 13.107.206.36
  • IPv6: 2620:1ec:bda:10::24
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns1-36.azure-dns.com

  • Status: Responded
  • IP(s): 20.76.201.171, 20.112.250.133, 20.236.44.162, 20.231.239.246, 20.70.246.20
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns2-36.azure-dns.net

  • Status: Responded
  • IP(s): 20.76.201.171, 20.112.250.133, 20.236.44.162, 20.231.239.246, 20.70.246.20
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns3-36.azure-dns.org

  • Status: Responded
  • IP(s): 20.76.201.171, 20.112.250.133, 20.236.44.162, 20.231.239.246, 20.70.246.20
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns4-36.azure-dns.info

  • Status: Responded
  • IP(s): 20.70.246.20, 20.76.201.171, 20.112.250.133, 20.231.239.246, 20.236.44.162
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns1-36.azure-dns.com

• Serial: 1
• Refresh: 3600
• Retry: 300
• Expire: 2419200
• Minimum TTL: 300

ns2-36.azure-dns.net

• Serial: 1
• Refresh: 3600
• Retry: 300
• Expire: 2419200
• Minimum TTL: 300

ns3-36.azure-dns.org

• Serial: 1
• Refresh: 3600
• Retry: 300
• Expire: 2419200
• Minimum TTL: 300

ns4-36.azure-dns.info

• Serial: 1
• Refresh: 3600
• Retry: 300
• Expire: 2419200
• Minimum TTL: 300

Serial: 1 - OK

REFRESH: 3600 - OK

RETRY: 300 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 300 - Note: Outside recommended range (1-3 hours)

ns1-36.azure-dns.com

Error: The DNS response does not contain an answer to the question: skypeforbusiness.com. IN MX

ns2-36.azure-dns.net

Error: The DNS response does not contain an answer to the question: skypeforbusiness.com. IN MX

ns3-36.azure-dns.org

Error: The DNS response does not contain an answer to the question: skypeforbusiness.com. IN MX

ns4-36.azure-dns.info

Error: The DNS response does not contain an answer to the question: skypeforbusiness.com. IN MX

MX Record Consistency - OK

MX Record Count - OK

No PTR records data available.

• 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: Failed

Multiple SPF Records: Passed

Errors:

• No SPF record found

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: None
• Syntax: Invalid
• Policy: None
• RUA (Aggregate Reports):

DMARC External Validation:

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

Errors:

• DMARC record does not exist