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DNS Report for centrum24.pl

Date Generated: 2024-08-22 11:05:24
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Nameservers

  • ns21.centrum24.pl
    • IPv4: 195.234.141.20
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • ns11.centrum24.pl
    • IPv4: 195.234.141.18
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns21.centrum24.pl
    • Status: Responded
    • IP(s): 195.234.141.135
    • TTL: 7200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns11.centrum24.pl
    • Status: Responded
    • IP(s): 195.234.141.135
    • TTL: 7200 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

ns21.centrum24.pl
  • Serial: 2024062702
  • Refresh: 3600
  • Retry: 1200
  • Expire: 604800
  • Minimum TTL: 600
ns11.centrum24.pl
  • Serial: 2024062702
  • Refresh: 3600
  • Retry: 1200
  • Expire: 604800
  • Minimum TTL: 600

Serial: 2024062702 - OK

REFRESH: 3600 - OK

RETRY: 1200 - OK

EXPIRE: 604800 - OK

MINIMUM TTL: 600 - Note: Outside recommended range (1-3 hours)

MX Records

ns21.centrum24.pl
ns11.centrum24.pl

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

  • 190.141.234.195.in-addr.arpa -> mta1.centrum24.pl
  • 205.141.234.195.in-addr.arpa -> mta2.centrum24.pl

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: Failed

Multiple SPF Records: Passed

Errors:
  • Error checking SPF: All nameservers failed to answer the query centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: No
Warnings:
  • No DKIM records found for common selectors
Errors:
  • Error checking DKIM for selector 'google': All nameservers failed to answer the query google._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'k1': All nameservers failed to answer the query k1._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'selector1': All nameservers failed to answer the query selector1._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'selector2': All nameservers failed to answer the query selector2._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'dkim': All nameservers failed to answer the query dkim._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'mail': All nameservers failed to answer the query mail._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'mxvault': All nameservers failed to answer the query mxvault._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'dkim2': All nameservers failed to answer the query dkim2._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'dkim3': All nameservers failed to answer the query dkim3._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'domainkey': All nameservers failed to answer the query domainkey._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'proxy': All nameservers failed to answer the query proxy._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'proxy1': All nameservers failed to answer the query proxy1._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'plivo': All nameservers failed to answer the query plivo._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'sendgrid': All nameservers failed to answer the query sendgrid._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'click': All nameservers failed to answer the query click._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'click1': All nameservers failed to answer the query click1._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector '2018': All nameservers failed to answer the query 2018._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector '2020': All nameservers failed to answer the query 2020._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector '2023': All nameservers failed to answer the query 2023._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'dec2013': All nameservers failed to answer the query dec2013._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'jan2014': All nameservers failed to answer the query jan2014._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'feb2014': All nameservers failed to answer the query feb2014._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'may2014': All nameservers failed to answer the query may2014._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'jun2014': All nameservers failed to answer the query jun2014._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'jul2014': All nameservers failed to answer the query jul2014._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'aug2014': All nameservers failed to answer the query aug2014._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'feb2015': All nameservers failed to answer the query feb2015._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'apr2015': All nameservers failed to answer the query apr2015._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'may2015': All nameservers failed to answer the query may2015._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'jun2015': All nameservers failed to answer the query jun2015._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'aug2015': All nameservers failed to answer the query aug2015._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'v1': All nameservers failed to answer the query v1._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'v2': All nameservers failed to answer the query v2._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'mta': All nameservers failed to answer the query mta._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
  • Error checking DKIM for selector 'pm3': All nameservers failed to answer the query pm3._domainkey.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL

DMARC

  • Record: None
  • Syntax: Invalid
  • Policy: None
  • RUA (Aggregate Reports):
DMARC External Validation:
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
Errors:
  • Error checking DMARC: All nameservers failed to answer the query _dmarc.centrum24.pl. IN TXT: Server 172.20.0.10 UDP port 53 answered SERVFAIL
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