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DNS Report for office365.us

Date Generated: 2024-08-04 23:12:35
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Nameservers

  • ns3-37.azure-dns.org
    • IPv4: 13.107.222.37
    • IPv6: 2a01:111:4000:10::25
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns4-37.azure-dns.info
    • IPv4: 13.107.206.37
    • IPv6: 2620:1ec:bda:10::25
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns2-37.azure-dns.net
    • IPv4: 150.171.16.37
    • IPv6: 2620:1ec:8ec:10::25
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns4.o365filtering.us
    • IPv4: 23.103.191.9
    • IPv6: 2001:489a:2202:2000::9
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns3.o365filtering.us
    • IPv4: 23.103.191.8
    • IPv6: 2001:489a:2202:2000::8
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns2.o365filtering.us
    • IPv4: 23.103.191.41
    • IPv6: 2001:489a:2202:2001::9
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns1-37.azure-dns.com
    • IPv4: 150.171.10.37
    • IPv6: 2603:1061:0:10::25
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns1.o365filtering.us
    • IPv4: 23.103.191.40
    • IPv6: 2001:489a:2202:2001::8
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - Note: 8 nameservers (recommended: 2-7)

Nameserver Queries

  • ns3-37.azure-dns.org
    • Status: Responded
    • IP(s): 131.253.86.182, 131.253.86.134, 40.66.16.130, 40.66.16.2, 40.66.16.194, 131.253.86.166, 131.253.86.150
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • ns4-37.azure-dns.info
    • Status: Responded
    • IP(s): 40.66.16.2, 40.66.16.130, 40.66.16.194, 131.253.86.134, 131.253.86.150, 131.253.86.166, 131.253.86.182
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • ns2-37.azure-dns.net
    • Status: Responded
    • IP(s): 131.253.86.182, 131.253.86.134, 40.66.16.130, 40.66.16.2, 40.66.16.194, 131.253.86.166, 131.253.86.150
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • ns4.o365filtering.us
    • Status: Responded
    • IP(s): 40.66.16.2, 40.66.16.194, 131.253.86.166, 131.253.86.150, 131.253.86.182, 131.253.86.134, 40.66.16.130
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed: The DNS operation timed out.
  • ns3.o365filtering.us
    • Status: Responded
    • IP(s): 40.66.16.130, 40.66.16.2, 40.66.16.194, 131.253.86.166, 131.253.86.150, 131.253.86.182, 131.253.86.134
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed: The DNS operation timed out.
  • ns2.o365filtering.us
    • Status: Responded
    • IP(s): 40.66.16.194, 131.253.86.166, 131.253.86.150, 131.253.86.182, 131.253.86.134, 40.66.16.130, 40.66.16.2
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed: The DNS operation timed out.
  • ns1-37.azure-dns.com
    • Status: Responded
    • IP(s): 131.253.86.182, 131.253.86.134, 40.66.16.130, 40.66.16.2, 40.66.16.194, 131.253.86.166, 131.253.86.150
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • ns1.o365filtering.us
    • Status: Responded
    • IP(s): 131.253.86.182, 131.253.86.134, 40.66.16.130, 40.66.16.2, 40.66.16.194, 131.253.86.166, 131.253.86.150
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed: The DNS operation timed out.

SOA Records

ns3-37.azure-dns.org
  • Serial: 2014712165
  • Refresh: 300
  • Retry: 900
  • Expire: 2419200
  • Minimum TTL: 60
ns4-37.azure-dns.info
  • Serial: 2014712165
  • Refresh: 300
  • Retry: 900
  • Expire: 2419200
  • Minimum TTL: 60
ns2-37.azure-dns.net
  • Serial: 2014712165
  • Refresh: 300
  • Retry: 900
  • Expire: 2419200
  • Minimum TTL: 60
ns4.o365filtering.us
  • Serial: 2014712165
  • Refresh: 300
  • Retry: 900
  • Expire: 2419200
  • Minimum TTL: 60
ns3.o365filtering.us
  • Serial: 2014712164
  • Refresh: 300
  • Retry: 900
  • Expire: 2419200
  • Minimum TTL: 60
ns2.o365filtering.us
  • Serial: 2014712164
  • Refresh: 300
  • Retry: 900
  • Expire: 2419200
  • Minimum TTL: 60
ns1-37.azure-dns.com
  • Serial: 2014712165
  • Refresh: 300
  • Retry: 900
  • Expire: 2419200
  • Minimum TTL: 60
ns1.o365filtering.us
  • Serial: 2014712165
  • Refresh: 300
  • Retry: 900
  • Expire: 2419200
  • Minimum TTL: 60

Serial - Warning: Inconsistent across nameservers

REFRESH: 300 - OK

RETRY: 900 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 60 - Note: Outside recommended range (1-3 hours)

MX Records

ns3-37.azure-dns.org

Error: The DNS response does not contain an answer to the question: office365.us. IN MX

ns4-37.azure-dns.info

Error: The DNS response does not contain an answer to the question: office365.us. IN MX

ns2-37.azure-dns.net

Error: The DNS response does not contain an answer to the question: office365.us. IN MX

ns4.o365filtering.us

Error: The DNS response does not contain an answer to the question: office365.us. IN MX

ns3.o365filtering.us

Error: The DNS response does not contain an answer to the question: office365.us. IN MX

ns2.o365filtering.us

Error: The DNS response does not contain an answer to the question: office365.us. IN MX

ns1-37.azure-dns.com

Error: The DNS response does not contain an answer to the question: office365.us. IN MX

ns1.o365filtering.us

Error: The DNS response does not contain an answer to the question: office365.us. IN MX

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

No PTR records data available.

DNSSEC

DNSSEC Inspector
  • 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 (Sender Policy Framework)

SPF Record Published: Failed

Multiple SPF Records: Passed

Errors:
  • No TXT records found

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: No
Warnings:
  • No DKIM records found for common selectors

DMARC

  • 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
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