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DNS Report for linode.com

Date Generated: 2024-08-07 17:09:40
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Nameservers

  • a16-64.akam.net
    • IPv4: 23.211.132.64
    • IPv6: 2600:1406:1b::40
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a7-65.akam.net
    • IPv4: 23.61.199.65
    • IPv6: 2600:1406:32::41
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a1-249.akam.net
    • IPv4: 193.108.91.249
    • IPv6: 2600:1401:2::f9
    • 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
  • a3-67.akam.net
    • IPv4: 96.7.49.67
    • IPv6: 2600:1408:1c::43
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a12-65.akam.net
    • IPv4: 184.26.160.65
    • IPv6: 2600:1480:f000::41
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • a16-64.akam.net
    • Status: Responded
    • IP(s): 23.48.203.143, 23.48.203.144
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a7-65.akam.net
    • Status: Responded
    • IP(s): 23.48.203.144, 23.48.203.143
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a1-249.akam.net
    • Status: Responded
    • IP(s): 23.48.203.143, 23.48.203.144
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a4-64.akam.net
    • Status: Responded
    • IP(s): 23.48.203.143, 23.48.203.144
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a3-67.akam.net
    • Status: Responded
    • IP(s): 23.48.203.143, 23.48.203.144
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a12-65.akam.net
    • Status: Responded
    • IP(s): 23.48.203.143, 23.48.203.144
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

SOA Records

a16-64.akam.net
  • Serial: 2024080725
  • Refresh: 4200
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 86400
a7-65.akam.net
  • Serial: 2024080725
  • Refresh: 4200
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 86400
a1-249.akam.net
  • Serial: 2024080725
  • Refresh: 4200
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 86400
a4-64.akam.net
  • Serial: 2024080725
  • Refresh: 4200
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 86400
a3-67.akam.net
  • Serial: 2024080725
  • Refresh: 4200
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 86400
a12-65.akam.net
  • Serial: 2024080725
  • Refresh: 4200
  • Retry: 3600
  • Expire: 2419200
  • Minimum TTL: 86400

Serial: 2024080725 - OK

REFRESH: 4200 - OK

RETRY: 3600 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 86400 - Note: Outside recommended range (1-3 hours)

MX Records

a16-64.akam.net
a7-65.akam.net
a1-249.akam.net
a4-64.akam.net
a3-67.akam.net
a12-65.akam.net

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 127.157.231.67.in-addr.arpa -> mx0b-00190b01.pphosted.com
  • 131.149.231.67.in-addr.arpa -> mx0a-00190b01.pphosted.com
  • 127.157.231.67.in-addr.arpa -> mx0b-00190b01.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 a:outbound.mail.linode.com include:sendersv4b.mail.linode.com include:_spf.google.com include:mktomail.com
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: sendersv4b.mail.linode.com, _spf.google.com, mktomail.com
  • DNS Lookups: 7
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: Not Present
Warnings:
  • SPF record doesn't contain an 'all' mechanism

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: k1
  • Selector 'k1':
    Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAolBbm4WsZM/NwpjdOrKqG5pjqEP9fYXNFizaCa5OZEWyW4Wm0bzBWzbn36gVfcz5qTjGVfh5YVLvJ8172fRd7+eueydc9dB/zrXynaxdsWnERuSMdiYSErG/cIae0uYNOV/h7fJ+v5bsKSAWxY2oQ/MEALODwY/+
  • Valid Syntax: Yes

DMARC

  • Record: v=DMARC1; p=reject; sp=quarantine; pct=100; rua=mailto:[email protected]
  • Syntax: Valid
  • Policy: reject
  • Subdomain Policy: quarantine
  • Percent: 100%
  • RUA (Aggregate Reports): mailto:[email protected]
DMARC External Validation:
  • Valid external domains: dmarc.report-uri.com
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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