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DNS Report for mailbox.org

Date Generated: 2024-08-15 02:54:23
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Nameservers

  • dns4.cloudns.net
    • IPv4: 185.136.97.88
    • IPv6: 2a06:fb00:1::2:88
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns3.jpberlin.de
    • IPv4: 88.198.52.15
    • IPv6: 2a01:4f8:221:4381::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns3.cloudns.net
    • IPv4: 185.136.96.88
    • IPv6: 2a06:fb00:1::1:88
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns.jpberlin.de
    • IPv4: 91.198.250.3
    • IPv6: 2001:67c:2050:1::53:1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns2.jpberlin.de
    • IPv4: 194.150.191.56
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • dns4.cloudns.net
    • Status: Responded
    • IP(s): 185.97.174.194
    • TTL: 900 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • ns3.jpberlin.de
    • Status: Responded
    • IP(s): 185.97.174.194
    • TTL: 900 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns3.cloudns.net
    • Status: Responded
    • IP(s): 185.97.174.194
    • TTL: 900 seconds
    • Recursive Queries: Allows recursive queries
    • TCP Connectivity: Allows TCP connections
  • ns.jpberlin.de
    • Status: Responded
    • IP(s): 185.97.174.194
    • TTL: 900 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns2.jpberlin.de
    • Status: Responded
    • IP(s): 185.97.174.194
    • TTL: 900 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

dns4.cloudns.net
  • Serial: 2014122020
  • Refresh: 40000
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 86400
ns3.jpberlin.de
  • Serial: 2014122020
  • Refresh: 40000
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 86400
dns3.cloudns.net
  • Serial: 2014122020
  • Refresh: 40000
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 86400
ns.jpberlin.de
  • Serial: 2014122020
  • Refresh: 40000
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 86400
ns2.jpberlin.de
  • Serial: 2014122020
  • Refresh: 40000
  • Retry: 7200
  • Expire: 604800
  • Minimum TTL: 86400

Serial: 2014122020 - OK

REFRESH: 40000 - OK

RETRY: 7200 - OK

EXPIRE: 604800 - OK

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

MX Records

dns4.cloudns.net
ns3.jpberlin.de
dns3.cloudns.net
ns.jpberlin.de
ns2.jpberlin.de

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

  • 216.60.241.80.in-addr.arpa -> mx3.mailbox.org
  • 17.250.198.91.in-addr.arpa -> mx-n.mailbox.org
  • 212.60.241.80.in-addr.arpa -> mx1.mailbox.org
  • 215.60.241.80.in-addr.arpa -> mx2.mailbox.org

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 ip4:213.203.238.0/25 ip4:195.10.208.0/24 ip4:91.198.250.0/24 ip4:80.241.56.0/21 ip6:2001:67c:2050::/48 mx ~all
  • SPF Syntax: Failed
  • Deprecated Elements: Passed
  • IP Addresses: 213.203.238.0/25, 195.10.208.0/24, 91.198.250.0/24, 80.241.56.0/21, 2001:67c:2050::/48
  • Includes:
  • DNS Lookups: 2
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ~all
Errors:
  • SPF record syntax is invalid

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: No
Warnings:
  • No DKIM records found for common selectors

DMARC

  • Record: v=DMARC1; p=reject; adkim=r; aspf=r; pct=100; rua=mailto:[email protected]; rf=afrf; fo=1;
  • Syntax: Valid
  • Policy: reject
  • Percent: 100%
  • RUA (Aggregate Reports): mailto:[email protected]
  • Failure Options (fo): 1
  • DKIM Alignment (adkim): Relaxed
  • SPF Alignment (aspf): Relaxed
DMARC External Validation:
  • Valid external domains: heinlein-support.de
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
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