DNS Report for grammarly.io

• ns-112.awsdns-14.com

  • IPv4: 205.251.192.112
  • IPv6: 2600:9000:5300:7000::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-1503.awsdns-59.org

  • IPv4: 205.251.197.223
  • IPv6: 2600:9000:5305:df00::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-1862.awsdns-40.co.uk

  • IPv4: 205.251.199.70
  • IPv6: 2600:9000:5307:4600::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• ns-665.awsdns-19.net

  • IPv4: 205.251.194.153
  • IPv6: 2600:9000:5302:9900::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• ns-112.awsdns-14.com

  • Status: Failed: The DNS response does not contain an answer to the question: grammarly.io. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Unclear (Response code: NXDOMAIN)
  • TCP Connectivity: TCP connection failed (Response code: NXDOMAIN)

• ns-1503.awsdns-59.org

  • Status: Failed: The DNS response does not contain an answer to the question: grammarly.io. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-1862.awsdns-40.co.uk

  • Status: Failed: The DNS response does not contain an answer to the question: grammarly.io. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• ns-665.awsdns-19.net

  • Status: Failed: The DNS response does not contain an answer to the question: grammarly.io. IN A
  • IP(s):
  • TTL: N/A seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

ns-112.awsdns-14.com

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-1503.awsdns-59.org

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-1862.awsdns-40.co.uk

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

ns-665.awsdns-19.net

• Serial: 1
• Refresh: 7200
• Retry: 900
• Expire: 1209600
• Minimum TTL: 86400

Serial: 1 - OK

REFRESH: 7200 - OK

RETRY: 900 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 86400 - Note: Outside recommended range (1-3 hours)

ns-112.awsdns-14.com

• 1 aspmx.l.google.com ( 172.253.63.26 )
• 5 alt1.aspmx.l.google.com ( 209.85.202.27 )
• 5 alt2.aspmx.l.google.com ( 64.233.184.27 )
• 10 aspmx2.googlemail.com ( 209.85.202.26 )
• 10 aspmx3.googlemail.com ( 64.233.184.27 )

ns-1503.awsdns-59.org

• 1 aspmx.l.google.com ( 172.253.62.27 )
• 5 alt1.aspmx.l.google.com ( 209.85.202.26 )
• 5 alt2.aspmx.l.google.com ( 64.233.184.27 )
• 10 aspmx2.googlemail.com ( 209.85.202.26 )
• 10 aspmx3.googlemail.com ( 64.233.184.27 )

ns-1862.awsdns-40.co.uk

• 1 aspmx.l.google.com ( 172.253.62.27 )
• 5 alt1.aspmx.l.google.com ( 209.85.202.26 )
• 5 alt2.aspmx.l.google.com ( 64.233.184.27 )
• 10 aspmx2.googlemail.com ( 209.85.202.26 )
• 10 aspmx3.googlemail.com ( 64.233.184.27 )

ns-665.awsdns-19.net

• 1 aspmx.l.google.com ( 172.253.63.26 )
• 5 alt1.aspmx.l.google.com ( 209.85.202.27 )
• 5 alt2.aspmx.l.google.com ( 64.233.184.27 )
• 10 aspmx2.googlemail.com ( 54.153.5.93 )
• 10 aspmx3.googlemail.com ( 64.233.184.26 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 93.5.153.54.in-addr.arpa -> ec2-54-153-5-93.us-west-1.compute.amazonaws.com
• 27.184.233.64.in-addr.arpa -> wa-in-f27.1e100.net
• 26.202.85.209.in-addr.arpa -> dg-in-f26.1e100.net
• 27.202.85.209.in-addr.arpa -> dg-in-f27.1e100.net
• 26.184.233.64.in-addr.arpa -> wa-in-f26.1e100.net
• 26.63.253.172.in-addr.arpa -> bi-in-f26.1e100.net
• 27.62.253.172.in-addr.arpa -> bc-in-f27.1e100.net
• 27.184.233.64.in-addr.arpa -> wa-in-f27.1e100.net
• 26.202.85.209.in-addr.arpa -> dg-in-f26.1e100.net

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 Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 include:_spf.google.com ~all
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.google.com
• DNS Lookups: 2
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: ~all

• DKIM Records Found: Yes
• Selectors Found: google
• Selector 'google':
  Record: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtorMTVzuwVtgZ5UB88It2PxD2B/Pd0nAnGoXJYcXiUDFcvd57l6EEAsSVzifRQKTXD017Pzqm3S0Rp4GnmFwpSQJzVfexVm3mJdUgQFGOD5eVHjGuNjIRCrfWn1NHsudSd+lZ66smvkx0F25uzGkKtR3DKUQOn2+HCqJS71TwgF4TjOWI
• Valid Syntax: Yes

• Record: v=DMARC1; p=quarantine; rua=mailto:[email protected];
• Syntax: Valid
• Policy: quarantine
• RUA (Aggregate Reports): mailto:[email protected]

DMARC External Validation:

• Valid external domains: ag.dmarcian.com
• All external domains in your DMARC record are giving permission to send them DMARC reports.