Httpfy

DNS Report for colorado.edu

Date Generated: 2024-08-12 03:03:20
Check Another Domain

Nameservers

  • a2-67.akam.net
    • IPv4: 95.100.174.67
    • IPv6: 2600:1480:7000::43
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a3-66.akam.net
    • IPv4: 96.7.49.66
    • IPv6: 2600:1408:1c::42
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a20-65.akam.net
    • IPv4: 95.100.175.65
    • IPv6: 2a02:26f0:67::41
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a1-153.akam.net
    • IPv4: 193.108.91.153
    • IPv6: 2600:1401:2::99
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a22-67.akam.net
    • IPv4: 23.211.61.67
    • IPv6: 2600:1480:7800::43
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a11-66.akam.net
    • IPv4: 84.53.139.66
    • IPv6: 2600:1480:1::42
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • a2-67.akam.net
    • Status: Responded
    • IP(s): 151.101.194.133, 151.101.130.133, 151.101.66.133, 151.101.2.133
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a3-66.akam.net
    • Status: Responded
    • IP(s): 151.101.66.133, 151.101.2.133, 151.101.194.133, 151.101.130.133
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a20-65.akam.net
    • Status: Responded
    • IP(s): 151.101.194.133, 151.101.130.133, 151.101.2.133, 151.101.66.133
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a1-153.akam.net
    • Status: Responded
    • IP(s): 151.101.130.133, 151.101.66.133, 151.101.194.133, 151.101.2.133
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a22-67.akam.net
    • Status: Responded
    • IP(s): 151.101.2.133, 151.101.130.133, 151.101.194.133, 151.101.66.133
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a11-66.akam.net
    • Status: Responded
    • IP(s): 151.101.2.133, 151.101.130.133, 151.101.66.133, 151.101.194.133
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

SOA Records

a2-67.akam.net
  • Serial: 2024081100
  • Refresh: 3600
  • Retry: 1200
  • Expire: 2419200
  • Minimum TTL: 3600
a3-66.akam.net
  • Serial: 2024081100
  • Refresh: 3600
  • Retry: 1200
  • Expire: 2419200
  • Minimum TTL: 3600
a20-65.akam.net
  • Serial: 2024081100
  • Refresh: 3600
  • Retry: 1200
  • Expire: 2419200
  • Minimum TTL: 3600
a1-153.akam.net
  • Serial: 2024081100
  • Refresh: 3600
  • Retry: 1200
  • Expire: 2419200
  • Minimum TTL: 3600
a22-67.akam.net
  • Serial: 2024081100
  • Refresh: 3600
  • Retry: 1200
  • Expire: 2419200
  • Minimum TTL: 3600
a11-66.akam.net
  • Serial: 2024081100
  • Refresh: 3600
  • Retry: 1200
  • Expire: 2419200
  • Minimum TTL: 3600

Serial: 2024081100 - OK

REFRESH: 3600 - OK

RETRY: 1200 - OK

EXPIRE: 2419200 - OK

MINIMUM TTL: 3600 - OK

MX Records

a2-67.akam.net
a3-66.akam.net
a20-65.akam.net
a1-153.akam.net
a22-67.akam.net
a11-66.akam.net

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 24.9.101.52.in-addr.arpa -> mail-bl2pr02cu00400.inbound.protection.outlook.com
  • 2.10.101.52.in-addr.arpa -> mail-bn8pr03cu00202.inbound.protection.outlook.com
  • 0.40.101.52.in-addr.arpa -> mail-cy5pr03cu00300.inbound.protection.outlook.com
  • 15.194.101.52.in-addr.arpa -> mail-ch4pr21cu00107.inbound.protection.outlook.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 ip4:128.138.1.0/24 ip4:128.138.48.0/20 ip4:128.138.64.0/18 ip4:128.138.128.0/17 ip4:204.228.68.0/22 ip4:132.194.255.30 ip4:136.147.136.157 include:_spf1.colorado.edu include:_spf2.colorado.edu ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses: 128.138.1.0/24, 128.138.48.0/20, 128.138.64.0/18, 128.138.128.0/17, 204.228.68.0/22, 132.194.255.30, 136.147.136.157
  • Includes: _spf1.colorado.edu, _spf2.colorado.edu
  • DNS Lookups: 5
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ~all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: google
  • Selector 'google':
    Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiB9xMzToz+El7oDglrlHbZk7Tmz0cfxNPR5nzZSAeKBWlH7DMt/FiVGE8C2Qhgrqad3OMAddixm9s4UyztMWj5rXqIy0IK+ALH5JdVCPuNAXHHLXF1B4QizNj6PKVVcAJ6hnvuslV7hKDv4+9zUVJa2FSrgrEUEockpSmN6cJB2qWlef6xYKN1IEDCg/4Q8Om
  • Valid Syntax: Yes

DMARC

DMARC External Validation:
  • Valid external domains: vali.email
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
Check DNS for Another Domain

Use our DNS Checker to analyze DNS records for any domain.

Go to DNS Checker

Empower Your Network, Enhance Your DevOps: The Ultimate Online Tools Hub

Copyright © 2024 HTTPfy Terms & Conditions - Privacy Policy