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DNS Report for cisa.gov

Date Generated: 2024-08-22 15:22:36
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Nameservers

  • a1-91.akam.net
    • IPv4: 193.108.91.91
    • IPv6: 2600:1401:2::5b
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a7-64.akam.net
    • IPv4: 23.61.199.64
    • IPv6: 2600:1406:32::40
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a16-67.akam.net
    • IPv4: 23.211.132.67
    • IPv6: 2600:1406:1b::43
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a9-66.akam.net
    • IPv4: 184.85.248.66
    • IPv6: 2a02:26f0:117::42
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a22-66.akam.net
    • IPv4: 23.211.61.66
    • IPv6: 2600:1480:7800::42
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • a8-65.akam.net
    • IPv4: 2.16.40.65
    • IPv6: 2600:1403:a::41
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • a1-91.akam.net
    • Status: Responded
    • IP(s): 23.47.20.83
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a7-64.akam.net
    • Status: Responded
    • IP(s): 23.47.20.83
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a16-67.akam.net
    • Status: Responded
    • IP(s): 23.47.20.83
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a9-66.akam.net
    • Status: Responded
    • IP(s): 23.47.20.83
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a22-66.akam.net
    • Status: Responded
    • IP(s): 23.47.20.83
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)
  • a8-65.akam.net
    • Status: Responded
    • IP(s): 23.47.20.83
    • TTL: 20 seconds
    • Recursive Queries: Unclear (Response code: NXDOMAIN)
    • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

SOA Records

a1-91.akam.net
  • Serial: 1558479921
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2592000
  • Minimum TTL: 300
a7-64.akam.net
  • Serial: 1558479921
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2592000
  • Minimum TTL: 300
a16-67.akam.net
  • Serial: 1558479921
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2592000
  • Minimum TTL: 300
a9-66.akam.net
  • Serial: 1558479921
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2592000
  • Minimum TTL: 300
a22-66.akam.net
  • Serial: 1558479921
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2592000
  • Minimum TTL: 300
a8-65.akam.net
  • Serial: 1558479921
  • Refresh: 10800
  • Retry: 3600
  • Expire: 2592000
  • Minimum TTL: 300

Serial: 1558479921 - OK

REFRESH: 10800 - OK

RETRY: 3600 - OK

EXPIRE: 2592000 - OK

MINIMUM TTL: 300 - Note: Outside recommended range (1-3 hours)

MX Records

a1-91.akam.net
a7-64.akam.net
a16-67.akam.net
a9-66.akam.net
a22-66.akam.net
a8-65.akam.net

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 98.147.231.67.in-addr.arpa -> mx0e-00376703.gpphosted.com
  • 98.155.231.67.in-addr.arpa -> mx0f-00376703.gpphosted.com
  • 98.155.231.67.in-addr.arpa -> mx0f-00376703.gpphosted.com

PTR Records - OK

DNSSEC

DNSSEC Inspector
  • Signed: Yes
  • Validation: Successful
  • DNSKEY Records: 3
  • 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 include:spf.dhs.gov include:spf.protection.outlook.com include:spf-00376703.gpphosted.com -all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf.dhs.gov, spf.protection.outlook.com, spf-00376703.gpphosted.com
  • DNS Lookups: 4
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: -all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: selector1
  • Selector 'selector1':
    Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv32BRAJaAOsxAp31ZqQwd7RYfbYowvb3F7lq8WQEyasI6w7Gm0bxPW57TFM04fM5flf1PYyCDSa3ckQzSQLYmMx9HiXYJYF1Dpk9PnjTarbdR9mm9fc7iBXT2pTFNJw+SRMH3NRrbkefv8GqqLdJotgCl2vWoyRlfKCANCFq5Bbq4qaztXqU/cHRurG8ZVSF7
  • Valid Syntax: Yes

DMARC

DMARC External Validation:
  • Valid external domains: hq.dhs.gov
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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