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DNS Report for zdf.de

Date Generated: 2024-08-19 05:10:37
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Nameservers

  • ns02.zdf.de
    • IPv4: 91.197.28.1
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • ns01.zdf.de
    • IPv4: 194.45.94.1
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns02.zdf.de
    • Status: Responded
    • IP(s): 91.197.29.78
    • TTL: 600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns01.zdf.de
    • Status: Responded
    • IP(s): 91.197.29.78
    • TTL: 600 seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

ns02.zdf.de
  • Serial: 2008115709
  • Refresh: 900
  • Retry: 300
  • Expire: 2592000
  • Minimum TTL: 180
ns01.zdf.de
  • Serial: 2008115709
  • Refresh: 900
  • Retry: 300
  • Expire: 2592000
  • Minimum TTL: 180

Serial: 2008115709 - OK

REFRESH: 900 - OK

RETRY: 300 - OK

EXPIRE: 2592000 - OK

MINIMUM TTL: 180 - Note: Outside recommended range (1-3 hours)

MX Records

ns02.zdf.de
ns01.zdf.de

MX Record Consistency - OK

MX Record Count - Warning: Only one MX record

Reverse MX A records (PTR)

  • 190.94.45.194.in-addr.arpa -> inmail.zdf.de

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:spf1.zdf.de include:spf.protection.outlook.com include:spf.nl2go.com include:spf.mailjet.com ~all
  • SPF Syntax: Passed
  • Deprecated Elements: Passed
  • IP Addresses:
  • Includes: spf1.zdf.de, spf.protection.outlook.com, spf.nl2go.com, spf.mailjet.com
  • DNS Lookups: 6
  • Void Lookups: Passed
  • Escaping Chars: Not Present
  • All Mechanism: ~all

DKIM (DomainKeys Identified Mail)

  • DKIM Records Found: Yes
  • Selectors Found: default
  • Selector 'default':
    Record: v=DKIM1;
  • Valid Syntax: No
Warnings:
  • DKIM record for selector 'default' may be incomplete

DMARC

  • Record: v=DMARC1;
  • Syntax: Valid
  • Policy: None
  • RUA (Aggregate Reports):
DMARC External Validation:
  • All external domains in your DMARC record are giving permission to send them DMARC reports.
Warnings:
  • Invalid policy: None
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