Httpfy

DNS Report for xfinity.com

Date Generated: 2024-08-05 09:23:15

Nameservers

  • dns105.comcast.net
    • IPv4: 68.87.72.244
    • IPv6: 2001:558:100e:5:68:87:72:244
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns101.comcast.net
    • IPv4: 69.252.250.103
    • IPv6: 2001:558:fe23:8:69:252:250:103
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns102.comcast.net
    • IPv4: 68.87.85.132
    • IPv6: 2001:558:1004:7:68:87:85:132
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns103.comcast.net
    • IPv4: 68.87.76.228
    • IPv6: 2001:558:1014:c:68:87:76:228
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns104.comcast.net
    • IPv4: 68.87.68.244
    • IPv6: 2001:558:100a:5:68:87:68:244
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • dns105.comcast.net
    • Status: Responded
    • IP(s): 96.99.240.130
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns101.comcast.net
    • Status: Responded
    • IP(s): 96.99.240.130
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns102.comcast.net
    • Status: Responded
    • IP(s): 96.99.240.130
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns103.comcast.net
    • Status: Responded
    • IP(s): 96.99.240.130
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns104.comcast.net
    • Status: Responded
    • IP(s): 96.99.240.130
    • TTL: 300 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

dns105.comcast.net
  • Serial: 2015041702
  • Refresh: 7200
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 900
dns101.comcast.net
  • Serial: 2015041702
  • Refresh: 7200
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 900
dns102.comcast.net
  • Serial: 2015041702
  • Refresh: 7200
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 900
dns103.comcast.net
  • Serial: 2015041702
  • Refresh: 7200
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 900
dns104.comcast.net
  • Serial: 2015041702
  • Refresh: 7200
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 900

Serial: 2015041702 - OK

REFRESH: 7200 - OK

RETRY: 3600 - OK

EXPIRE: 604800 - OK

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

MX Records

dns105.comcast.net
dns101.comcast.net
dns102.comcast.net
dns103.comcast.net
dns104.comcast.net

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

  • 180.157.102.96.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 180.157.102.96.in-addr.arpa.
  • 181.157.102.96.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 181.157.102.96.in-addr.arpa.
  • 146.18.102.96.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 146.18.102.96.in-addr.arpa.
  • 162.145.103.96.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 162.145.103.96.in-addr.arpa.
  • 163.145.103.96.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 163.145.103.96.in-addr.arpa.
  • 147.18.102.96.in-addr.arpa -> No PTR record found: The DNS query name does not exist: 147.18.102.96.in-addr.arpa.

PTR Records - OK

  • Signed: Yes
  • Validation: Successful
  • DNSKEY Records: 2
  • DS Records in parent zone: 0
  • DS at Parent: False

DNSSEC - OK

SPF (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 redirect=comcast.net
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes:
  • DNS Lookups: 1
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: Not Present
Warnings:
  • SPF record doesn't contain an 'all' mechanism
Errors:
  • SPF record syntax is invalid

DKIM (DomainKeys Identified Mail)

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

DMARC

  • Record: v=DMARC1;p=quarantine;sp=quarantine;rua=mailto:[email protected]
  • Syntax: Valid
  • Policy: quarantine
  • Subdomain Policy: quarantine
  • RUA (Aggregate Reports): mailto:[email protected]
DMARC External Validation:
  • Valid external domains: dmarctest.comcast.net
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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