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DNS Report for stanford.edu

Date Generated: 2024-08-17 08:01:10
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Nameservers

  • avallone.stanford.edu
    • IPv4: 204.63.224.53
    • IPv6: 2620:6c:40c0:0:204:63:224:53
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns5.dnsmadeeasy.com
    • IPv4: 208.94.148.13
    • IPv6: 2600:1800:5::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns6.dnsmadeeasy.com
    • IPv4: 208.80.124.13
    • IPv6: 2600:1801:6::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns7.dnsmadeeasy.com
    • IPv4: 208.80.126.13
    • IPv6: 2600:1802:7::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • argus.stanford.edu
    • IPv4: 171.64.7.115
    • IPv6: 2607:f6d0:0:9113::ab40:773
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • atalante.stanford.edu
    • IPv4: 171.64.7.61
    • IPv6: 2607:f6d0:0:d32::ab40:73d
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • avallone.stanford.edu
    • Status: Responded
    • IP(s): 171.67.215.200
    • TTL: 1800 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns5.dnsmadeeasy.com
    • Status: Responded
    • IP(s): 171.67.215.200
    • TTL: 1800 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns6.dnsmadeeasy.com
    • Status: Responded
    • IP(s): 171.67.215.200
    • TTL: 1800 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns7.dnsmadeeasy.com
    • Status: Responded
    • IP(s): 171.67.215.200
    • TTL: 1800 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • argus.stanford.edu
    • Status: Responded
    • IP(s): 171.67.215.200
    • TTL: 1800 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • atalante.stanford.edu
    • Status: Responded
    • IP(s): 171.67.215.200
    • TTL: 1800 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

avallone.stanford.edu
  • Serial: 2024128352
  • Refresh: 1200
  • Retry: 600
  • Expire: 1296000
  • Minimum TTL: 1800
ns5.dnsmadeeasy.com
  • Serial: 2024128352
  • Refresh: 1200
  • Retry: 600
  • Expire: 1296000
  • Minimum TTL: 1800
ns6.dnsmadeeasy.com
  • Serial: 2024128352
  • Refresh: 1200
  • Retry: 600
  • Expire: 1296000
  • Minimum TTL: 1800
ns7.dnsmadeeasy.com
  • Serial: 2024128352
  • Refresh: 1200
  • Retry: 600
  • Expire: 1296000
  • Minimum TTL: 1800
argus.stanford.edu
  • Serial: 2024128352
  • Refresh: 1200
  • Retry: 600
  • Expire: 1296000
  • Minimum TTL: 1800
atalante.stanford.edu
  • Serial: 2024128352
  • Refresh: 1200
  • Retry: 600
  • Expire: 1296000
  • Minimum TTL: 1800

Serial: 2024128352 - OK

REFRESH: 1200 - OK

RETRY: 600 - OK

EXPIRE: 1296000 - OK

MINIMUM TTL: 1800 - Note: Outside recommended range (1-3 hours)

MX Records

avallone.stanford.edu
ns5.dnsmadeeasy.com
ns6.dnsmadeeasy.com
ns7.dnsmadeeasy.com
argus.stanford.edu
atalante.stanford.edu

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 125.157.231.67.in-addr.arpa -> mx0b-00000d07.pphosted.com
  • 125.157.231.67.in-addr.arpa -> mx0b-00000d07.pphosted.com
  • 169.149.231.67.in-addr.arpa -> mx0a-00000d07.pphosted.com
  • 169.149.231.67.in-addr.arpa -> mx0a-00000d07.pphosted.com

PTR Records - OK

DNSSEC

DNSSEC Inspector
  • Signed: Yes
  • Validation: Successful
  • DNSKEY Records: 3
  • DS Records in parent zone: 0
  • DS at Parent: None

DNSSEC - OK

SPF (Sender Policy Framework)

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:
  • Record: v=spf1 ip4:171.67.219.64/27 ip4:171.67.224.0/28 ip4:171.67.43.137 ip4:171.67.43.138 ip4:171.67.43.139 ip4:171.67.43.140 ip4:171.67.43.141
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses: 171.67.219.64/27, 171.67.224.0/28, 171.67.43.137, 171.67.43.138, 171.67.43.139, 171.67.43.140, 171.67.43.141
  • Includes:
  • DNS Lookups: 0
  • 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: Yes
  • Selectors Found: dk
  • Selector 'dk':
    Record: v=DKIM1;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDhkOo8s6fh9Byz1uy69tfQ6eUnzi/5P22EWccwI1PdmCpiyNwZcq3vOS2MHbVYB+ZY6wbBlAFym8EHbZY9OTlJ3+dzt8qTUNW5olkNVl4ecDv3XO2ML8q5sxQL+dwQU6UAQiDAAC/ZRWwiXHrSsr90pqH1Q0vhB7Kp6DHrWYJquQIDAQAB
  • Valid Syntax: No
Warnings:
  • DKIM record for selector 'dk' may be incomplete

DMARC

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