Httpfy

DNS Report for byu.edu

Date Generated: 2024-09-13 06:28:09

Nameservers

  • edns3.byu.edu
    • IPv4: 157.201.130.110
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • edns1.byu.edu
    • IPv4: 128.187.223.235
    • IPv6: 2620:10f:3007:fb04::eb
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • edns2.byu.edu
    • IPv4: 128.187.223.243
    • IPv6: 2620:10f:3007:fb05::f3
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • edns3.byu.edu
    • Status: Responded
    • IP(s): 128.187.16.184
    • TTL: 7200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • edns1.byu.edu
    • Status: Responded
    • IP(s): 128.187.16.184
    • TTL: 7200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • edns2.byu.edu
    • Status: Responded
    • IP(s): 128.187.16.184
    • TTL: 7200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

edns3.byu.edu
  • Serial: 744565307
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 3600
edns1.byu.edu
  • Serial: 744565307
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 3600
edns2.byu.edu
  • Serial: 744565307
  • Refresh: 21600
  • Retry: 3600
  • Expire: 604800
  • Minimum TTL: 3600

Serial: 744565307 - OK

REFRESH: 21600 - OK

RETRY: 3600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 3600 - OK

MX Records

edns3.byu.edu
edns1.byu.edu
edns2.byu.edu

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 20.9.101.52.in-addr.arpa -> mail-bl0pr02cu00604.inbound.protection.outlook.com
  • 6.10.101.52.in-addr.arpa -> mail-bn1pr21cu00106.inbound.protection.outlook.com
  • 245.82.187.128.in-addr.arpa -> j.dns-lab.org

PTR Records - OK

  • 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 include:_SPF_campus.byu.edu include:spf.protection.outlook.com ?all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: _SPF_campus.byu.edu, spf.protection.outlook.com
  • DNS Lookups: 4
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ?all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: selector2
  • Selector 'selector2':
    Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDku4IWflpa55XLJV0bbD+Vu4IkcxwyDHsMMpWz/eMGnDIL2EfegxFT7CHQDA1vaybSB74FHpUyTvlyg8rx9vYb+4uvXS7gK1Kvf/2WRtv2qewz/aXXz6wDutiNP5n2s69Xm+2IfceFjPSxQjnEwY136Z/eV0q461zeJG8DWN5WTQIDAQAB;
  • Valid Syntax: Yes

DMARC

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