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DNS Report for att.com

Date Generated: 2024-08-04 01:55:37
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Nameservers

  • a2-64.akam.net
    • IPv4: 95.100.174.64
    • IPv6: 2600:1480:7000::40
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a22-67.akam.net
    • IPv4: 23.211.61.67
    • IPv6: 2600:1480:7800::43
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a1-187.akam.net
    • IPv4: 193.108.91.187
    • IPv6: 2600:1401:2::bb
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a4-64.akam.net
    • IPv4: 72.246.46.64
    • IPv6: 2600:1480:9000::40
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a11-65.akam.net
    • IPv4: 84.53.139.65
    • IPv6: 2600:1480:1::41
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a5-66.akam.net
    • IPv4: 95.100.168.66
    • IPv6: 2600:1480:b000::42
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • a2-64.akam.net
    • Status: Responded
    • IP(s): 144.160.36.42, 144.160.155.43
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a22-67.akam.net
    • Status: Responded
    • IP(s): 144.160.155.43, 144.160.36.42
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a1-187.akam.net
    • Status: Responded
    • IP(s): 144.160.155.43, 144.160.36.42
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a4-64.akam.net
    • Status: Responded
    • IP(s): 144.160.155.43, 144.160.36.42
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a11-65.akam.net
    • Status: Responded
    • IP(s): 144.160.36.42, 144.160.155.43
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a5-66.akam.net
    • Status: Responded
    • IP(s): 144.160.36.42, 144.160.155.43
    • TTL: 300 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

SOA Records

a2-64.akam.net
  • Serial: 2024080201
  • Refresh: 3600
  • Retry: 1800
  • Expire: 2592000
  • Minimum TTL: 300
a22-67.akam.net
  • Serial: 2024080201
  • Refresh: 3600
  • Retry: 1800
  • Expire: 2592000
  • Minimum TTL: 300
a1-187.akam.net
  • Serial: 2024080201
  • Refresh: 3600
  • Retry: 1800
  • Expire: 2592000
  • Minimum TTL: 300
a4-64.akam.net
  • Serial: 2024080201
  • Refresh: 3600
  • Retry: 1800
  • Expire: 2592000
  • Minimum TTL: 300
a11-65.akam.net
  • Serial: 2024080201
  • Refresh: 3600
  • Retry: 1800
  • Expire: 2592000
  • Minimum TTL: 300
a5-66.akam.net
  • Serial: 2024080201
  • Refresh: 3600
  • Retry: 1800
  • Expire: 2592000
  • Minimum TTL: 300

Serial: 2024080201 - OK

REFRESH: 3600 - OK

RETRY: 1800 - OK

EXPIRE: 2592000 - OK

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

MX Records

a2-64.akam.net
a22-67.akam.net
a1-187.akam.net
a4-64.akam.net
a11-65.akam.net
a5-66.akam.net

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

  • 140.149.231.67.in-addr.arpa -> mx0a-00191d01.pphosted.com
  • 136.157.231.67.in-addr.arpa -> mx0b-00191d01.pphosted.com

PTR Records - OK

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: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 mx include:spf-00191d01.pphosted.com ~all
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf-00191d01.pphosted.com
  • DNS Lookups: 3
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ~all
Errors:
  • SPF record syntax is invalid

DKIM (DomainKeys Identified Mail)

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

DMARC

DMARC External Validation:
  • Valid external domains: emaildefense.proofpoint.com, emaildefense.proofpoint.com
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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