DNS Report for nature.com

• pdns3.ultradns.org

  • IPv4: 199.7.68.1
  • IPv6: 2610:a1:1015::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns4.ultradns.org

  • IPv4: 199.7.69.1
  • IPv6: 2001:502:4612::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns5.ultradns.info

  • IPv4: 204.74.114.1
  • IPv6: 2610:a1:1016::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns1.ultradns.net

  • IPv4: 204.74.108.1
  • IPv6: 2001:502:f3ff::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns2.ultradns.net

  • IPv4: 204.74.109.1
  • IPv6: 2610:a1:1014::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• pdns6.ultradns.co.uk

  • IPv4: 204.74.115.1
  • IPv6: 2610:a1:1017::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• pdns3.ultradns.org

  • Status: Responded
  • IP(s): 146.75.28.95
  • TTL: 49 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns4.ultradns.org

  • Status: Responded
  • IP(s): 199.232.36.95
  • TTL: 56 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns5.ultradns.info

  • Status: Responded
  • IP(s): 146.75.76.95
  • TTL: 45 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns1.ultradns.net

  • Status: Responded
  • IP(s): 146.75.76.95
  • TTL: 45 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns2.ultradns.net

  • Status: Responded
  • IP(s): 146.75.28.95
  • TTL: 49 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

• pdns6.ultradns.co.uk

  • Status: Responded
  • IP(s): 199.232.36.95
  • TTL: 56 seconds
  • Recursive Queries: Allows recursive queries
  • TCP Connectivity: Allows TCP connections

pdns3.ultradns.org

• Serial: 2018119502
• Refresh: 3600
• Retry: 900
• Expire: 604800
• Minimum TTL: 3600

pdns4.ultradns.org

• Serial: 2018119502
• Refresh: 3600
• Retry: 900
• Expire: 604800
• Minimum TTL: 3600

pdns5.ultradns.info

• Serial: 2018119502
• Refresh: 3600
• Retry: 900
• Expire: 604800
• Minimum TTL: 3600

pdns1.ultradns.net

• Serial: 2018119502
• Refresh: 3600
• Retry: 900
• Expire: 604800
• Minimum TTL: 3600

pdns2.ultradns.net

• Serial: 2018119502
• Refresh: 3600
• Retry: 900
• Expire: 604800
• Minimum TTL: 3600

pdns6.ultradns.co.uk

• Serial: 2018119502
• Refresh: 3600
• Retry: 900
• Expire: 604800
• Minimum TTL: 3600

Serial: 2018119502 - OK

REFRESH: 3600 - OK

RETRY: 900 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 3600 - OK

pdns3.ultradns.org

• 10 mxa-002c5801.gslb.pphosted.com ( 185.183.28.43 )
• 10 mxb-002c5801.gslb.pphosted.com ( 185.183.28.43 )

pdns4.ultradns.org

• 10 mxa-002c5801.gslb.pphosted.com ( 185.183.28.43 )
• 10 mxb-002c5801.gslb.pphosted.com ( 185.132.180.79 )

pdns5.ultradns.info

• 10 mxa-002c5801.gslb.pphosted.com ( 185.183.28.43 )
• 10 mxb-002c5801.gslb.pphosted.com ( 185.132.180.79 )

pdns1.ultradns.net

• 10 mxa-002c5801.gslb.pphosted.com ( 185.183.28.43 )
• 10 mxb-002c5801.gslb.pphosted.com ( 185.132.180.79 )

pdns2.ultradns.net

• 10 mxa-002c5801.gslb.pphosted.com ( 185.132.180.79 )
• 10 mxb-002c5801.gslb.pphosted.com ( 185.132.180.79 )

pdns6.ultradns.co.uk

• 10 mxa-002c5801.gslb.pphosted.com ( 185.183.28.43 )
• 10 mxb-002c5801.gslb.pphosted.com ( 185.183.28.43 )

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

• 43.28.183.185.in-addr.arpa -> mx08-002c5801.pphosted.com
• 43.28.183.185.in-addr.arpa -> mx08-002c5801.pphosted.com
• 79.180.132.185.in-addr.arpa -> mx07-002c5801.pphosted.com
• 79.180.132.185.in-addr.arpa -> mx07-002c5801.pphosted.com

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 ip4:195.128.10.18/32 ip4:195.128.10.15/32 ip4:195.128.10.69/32 ip4:203.200.192.105/32 ip4:203.200.192.109/32 ip4:167.89.16.99/32 ip4:208.85.55.170/32 ip4:208.85.55.173/32 ip4:199.168.14.54/32 ip4:192.87.127.243/32 ip4:192.87.127.244/32 ip4:208.185.
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses: 195.128.10.18/32, 195.128.10.15/32, 195.128.10.69/32, 203.200.192.105/32, 203.200.192.109/32, 167.89.16.99/32, 208.85.55.170/32, 208.85.55.173/32, 199.168.14.54/32, 192.87.127.243/32, 192.87.127.244/32, 208.185.
• Includes:
• DNS Lookups: 0
• Void Lookups: Passed
• Escaping Chars: Not Present
• All Mechanism: Not Present

Warnings:

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

• DKIM Records Found: Yes
• Selectors Found: selector1
• Selector 'selector1':
  Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCk06943BG6BGyMN8g9SKODSrM95yWkEJEybs88KtVI0Cnm8NW6I+FfaLR92g5wQI70AdbdY674Lh+xeUZYH0FpPBBOlE8fNC2WhuOYrHHjG69vDLl/H7cSWHhhx5dT6THBaFh836RvmQrzsrSTtISdi4peYdq/1U1vfSUPPL6/KQIDAQAB;
• Valid Syntax: Yes

• Record: v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
• Syntax: Valid
• Policy: reject
• Subdomain Policy: none
• Percent: 100%
• RUA (Aggregate Reports): mailto:[email protected]
• SPF Alignment (aspf): Relaxed

DMARC External Validation:

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