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DNS Report for rit.edu

Date Generated: 2024-08-31 17:43:03
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Nameservers

  • ns2a.rit.edu
    • IPv4: 129.21.1.92
    • IPv6: 2620:8d:8000:0:aba:ca:daba:ef
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • accuvax.northwestern.edu
    • IPv4: 129.105.49.100
    • IPv6: 2620:10d:2010:6011::100
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns1a.rit.edu
    • IPv4: 129.21.1.82
    • IPv6: 2620:8d:8000:0:aba:ca:daba:ee
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns2a.rit.edu
    • Status: Responded
    • IP(s): 129.21.1.40
    • TTL: 3600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • accuvax.northwestern.edu
    • Status: Responded
    • IP(s): 129.21.1.40
    • TTL: 3600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns1a.rit.edu
    • Status: Responded
    • IP(s): 129.21.1.40
    • TTL: 3600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

ns2a.rit.edu
  • Serial: 111949033
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 3600
accuvax.northwestern.edu
  • Serial: 111949039
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 3600
ns1a.rit.edu
  • Serial: 111949033
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 3600

Serial - Warning: Inconsistent across nameservers

REFRESH: 3600 - OK

RETRY: 600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 3600 - OK

MX Records

ns2a.rit.edu
accuvax.northwestern.edu
ns1a.rit.edu

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

  • 40.10.21.129.in-addr.arpa -> mx03f-in01r.rit.edu
  • 46.10.21.129.in-addr.arpa -> mx03h-in01r.rit.edu
  • 28.10.21.129.in-addr.arpa -> mx03b-in01r.rit.edu
  • 156.10.21.129.in-addr.arpa -> mx03a-in01r.rit.edu
  • 34.10.21.129.in-addr.arpa -> mx03d-in01r.rit.edu
  • 162.10.21.129.in-addr.arpa -> mx03c-in01r.rit.edu
  • 174.10.21.129.in-addr.arpa -> mx03g-in01r.rit.edu
  • 168.10.21.129.in-addr.arpa -> mx03e-in01r.rit.edu

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 ip4:129.21.10.0/25 ip4:129.21.10.128/25
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses: 129.21.10.0/25, 129.21.10.128/25
  • 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; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=r; aspf=r; pct=100;
  • Syntax: Valid
  • Policy: quarantine
  • Subdomain Policy: quarantine
  • Percent: 100%
  • RUA (Aggregate Reports): mailto:[email protected]
  • RUF (Forensic Reports): mailto:[email protected]
  • Failure Options (fo): 1
  • DKIM Alignment (adkim): Relaxed
  • SPF Alignment (aspf): Relaxed
DMARC External Validation:
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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