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DNS Report for certainly.com

Date Generated: 2024-08-11 22:24:54
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Nameservers

  • edns1.ultradns.com
    • IPv4: 204.74.66.1
    • IPv6: 2001:502:f3ff::201
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns-cloud-b3.googledomains.com
    • IPv4: 216.239.36.107
    • IPv6: 2001:4860:4802:36::6b
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns-cloud-b2.googledomains.com
    • IPv4: 216.239.34.107
    • IPv6: 2001:4860:4802:34::6b
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • edns1.ultradns.org
    • IPv4: 204.74.111.1
    • IPv6: 2001:502:4612::201
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns-cloud-b4.googledomains.com
    • IPv4: 216.239.38.107
    • IPv6: 2001:4860:4802:38::6b
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • edns1.ultradns.net
    • IPv4: 204.74.110.1
    • IPv6: 2610:a1:1014::201
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns-cloud-b1.googledomains.com
    • IPv4: 216.239.32.107
    • IPv6: 2001:4860:4802:32::6b
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • edns1.ultradns.biz
    • IPv4: 204.74.67.1
    • IPv6: 2610:a1:1015::201
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - Note: 8 nameservers (recommended: 2-7)

Nameserver Queries

  • edns1.ultradns.com
    • Status: Responded
    • IP(s): 151.101.131.4, 151.101.195.4, 151.101.3.4, 151.101.67.4
    • TTL: 3600 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • ns-cloud-b3.googledomains.com
    • Status: Responded
    • IP(s): 151.101.67.4, 151.101.195.4, 151.101.3.4, 151.101.131.4
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NOERROR)
    • TCP Connectivity: Allows TCP connections
  • ns-cloud-b2.googledomains.com
    • Status: Responded
    • IP(s): 151.101.195.4, 151.101.131.4, 151.101.3.4, 151.101.67.4
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NOERROR)
    • TCP Connectivity: Allows TCP connections
  • edns1.ultradns.org
    • Status: Responded
    • IP(s): 151.101.131.4, 151.101.195.4, 151.101.3.4, 151.101.67.4
    • TTL: 3600 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • ns-cloud-b4.googledomains.com
    • Status: Responded
    • IP(s): 151.101.67.4, 151.101.3.4, 151.101.131.4, 151.101.195.4
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NOERROR)
    • TCP Connectivity: Allows TCP connections
  • edns1.ultradns.net
    • Status: Responded
    • IP(s): 151.101.131.4, 151.101.195.4, 151.101.3.4, 151.101.67.4
    • TTL: 3600 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • ns-cloud-b1.googledomains.com
    • Status: Responded
    • IP(s): 151.101.131.4, 151.101.67.4, 151.101.3.4, 151.101.195.4
    • TTL: 3600 seconds
    • Recursive Queries: Unclear (Response code: NOERROR)
    • TCP Connectivity: Allows TCP connections
  • edns1.ultradns.biz
    • Status: Responded
    • IP(s): 151.101.131.4, 151.101.195.4, 151.101.3.4, 151.101.67.4
    • TTL: 3600 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections

SOA Records

edns1.ultradns.com
  • Serial: 2023030287
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 1800
ns-cloud-b3.googledomains.com
  • Serial: 1
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 1800
ns-cloud-b2.googledomains.com
  • Serial: 1
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 1800
edns1.ultradns.org
  • Serial: 2023030287
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 1800
ns-cloud-b4.googledomains.com
  • Serial: 1
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 1800
edns1.ultradns.net
  • Serial: 2023030287
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 1800
ns-cloud-b1.googledomains.com
  • Serial: 1
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 1800
edns1.ultradns.biz
  • Serial: 2023030287
  • Refresh: 3600
  • Retry: 600
  • Expire: 604800
  • Minimum TTL: 1800

Serial - Warning: Inconsistent across nameservers

REFRESH: 3600 - OK

RETRY: 600 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 1800 - Note: Outside recommended range (1-3 hours)

MX Records

edns1.ultradns.com
ns-cloud-b3.googledomains.com
ns-cloud-b2.googledomains.com
edns1.ultradns.org
ns-cloud-b4.googledomains.com
edns1.ultradns.net
ns-cloud-b1.googledomains.com
edns1.ultradns.biz

MX Record Consistency - Warning: Inconsistencies found

MX Record Count - OK

Reverse MX A records (PTR)

  • 27.184.233.64.in-addr.arpa -> wa-in-f27.1e100.net
  • 26.27.250.142.in-addr.arpa -> ra-in-f26.1e100.net
  • 26.115.253.172.in-addr.arpa -> bg-in-f26.1e100.net
  • 26.184.233.64.in-addr.arpa -> wa-in-f26.1e100.net
  • 26.179.251.142.in-addr.arpa -> pd-in-f26.1e100.net
  • 27.202.85.209.in-addr.arpa -> dg-in-f27.1e100.net
  • 27.153.250.142.in-addr.arpa -> ea-in-f27.1e100.net

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 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 (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: google
  • Selector 'google':
    Record: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKVNsMKuOVgwsQNFuGMFx4dWURqw1biHBVoBdgUNRYny03Fi/EVuEEk7EKjo/xJfGyleFT6eQv46zLwaM5UUbh7zy5BV89u3oOPsw6dg6EyUdZ5pBL6ud4zYJz3Y0Rvcihok8WyVFHg8hhspfojlWkaxjepmUCLuHP/O6gIzmubQIDAQAB
  • 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.
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