DNS Report for nhk.jp

• ns012-h56n53352g8r0rhn.h.d-53.jp

  • IPv4: 203.180.146.103
  • IPv6: 2001:240:bb81::29:1103
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns012-h56n53352g8r0rhn.h.d-53.net

  • IPv4: 210.138.20.103
  • IPv6: 2001:240:bb81::29:103
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns012-h56n53352g8r0rhn.h.d-53.info

  • IPv4: 202.32.219.43
  • IPv6: 2001:240:bb81::28:43
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns012-h56n53352g8r0rhn.h.d-53.jp

  • Status: Responded
  • IP(s): 13.248.143.126, 76.223.16.232
  • TTL: 28800 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns012-h56n53352g8r0rhn.h.d-53.net

  • Status: Responded
  • IP(s): 13.248.143.126, 76.223.16.232
  • TTL: 28800 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns012-h56n53352g8r0rhn.h.d-53.info

  • Status: Responded
  • IP(s): 76.223.16.232, 13.248.143.126
  • TTL: 28800 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns012-h56n53352g8r0rhn.h.d-53.jp

• Serial: 174
• Refresh: 3600
• Retry: 600
• Expire: 604800
• Minimum TTL: 900

ns012-h56n53352g8r0rhn.h.d-53.net

• Serial: 174
• Refresh: 3600
• Retry: 600
• Expire: 604800
• Minimum TTL: 900

ns012-h56n53352g8r0rhn.h.d-53.info

• Serial: 174
• Refresh: 3600
• Retry: 600
• Expire: 604800
• Minimum TTL: 900

Serial: 174 - OK

REFRESH: 3600 - OK

RETRY: 600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 900 - Note: Outside recommended range (1-3 hours)

ns012-h56n53352g8r0rhn.h.d-53.jp

• 10 mail.nhk.jp ( 211.2.164.234 )

ns012-h56n53352g8r0rhn.h.d-53.net

• 10 mail.nhk.jp ( 211.2.164.234 )

ns012-h56n53352g8r0rhn.h.d-53.info

• 10 mail.nhk.jp ( 211.2.164.234 )

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

• 234.164.2.211.in-addr.arpa -> mail.nhk.jp

PTR Records - OK

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 2
• DS Records in parent zone: 0
• DS at Parent: None

DNSSEC - OK

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 +ip4:133.127.68.0/24 +ip4:133.127.64.128/25 +ip4:133.127.69.160/27 +ip4:133.127.66.64/26 +ip4:216.255.238.0/23 +ip4:52.197.228.39 +ip4:52.199.119.81 +ip4:211.2.164.234 include:spf.po.2iij.net include:smp.ne.jp include:amazonses.com
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 133.127.68.0/24, 133.127.64.128/25, 133.127.69.160/27, 133.127.66.64/26, 216.255.238.0/23, 52.197.228.39, 52.199.119.81, 211.2.164.234
• Includes: spf.po.2iij.net, smp.ne.jp, amazonses.com
• DNS Lookups: 5
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

• SPF record doesn't contain an 'all' mechanism

• DKIM Records Found: No

Warnings:

• No DKIM records found for common selectors

• Record: v=DMARC1; p=none; rua=mailto:[email protected]
• Syntax: Valid
• Policy: none
• RUA (Aggregate Reports): mailto:[email protected]

DMARC External Validation:

• All external domains in your DMARC record are giving permission to send them DMARC reports.