DNS Report for uni-stuttgart.de

• dns-auth2.uni-stuttgart.edu

  • IPv4: 129.69.252.145
  • IPv6: 2001:7c0:2053:5302::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns-auth1.uni-stuttgart.de

  • IPv4: 129.69.252.129
  • IPv6: 2001:7c0:2053:5301::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

• dns-auth3.uni-stuttgart.net

  • IPv4: 129.69.252.153
  • IPv6: 2001:7c0:2053:5303::1
  • TTL (IPv4): 30 seconds
  • TTL (IPv6): 30 seconds
  • Recursive: N/A

Nameserver Count - OK

• dns-auth2.uni-stuttgart.edu

  • Status: Responded
  • IP(s): 129.69.5.3
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dns-auth1.uni-stuttgart.de

  • Status: Responded
  • IP(s): 129.69.5.3
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

• dns-auth3.uni-stuttgart.net

  • Status: Responded
  • IP(s): 129.69.5.3
  • TTL: 3600 seconds
  • Recursive Queries: Does not allow recursive queries
  • TCP Connectivity: TCP connection failed (Response code: REFUSED)

dns-auth2.uni-stuttgart.edu

• Serial: 2024082606
• Refresh: 3600
• Retry: 900
• Expire: 1209600
• Minimum TTL: 3600

dns-auth1.uni-stuttgart.de

• Serial: 2024082606
• Refresh: 3600
• Retry: 900
• Expire: 1209600
• Minimum TTL: 3600

dns-auth3.uni-stuttgart.net

• Serial: 2024082606
• Refresh: 3600
• Retry: 900
• Expire: 1209600
• Minimum TTL: 3600

Serial: 2024082606 - OK

REFRESH: 3600 - OK

RETRY: 900 - OK

EXPIRE: 1209600 - OK

MINIMUM TTL: 3600 - OK

dns-auth2.uni-stuttgart.edu

• 10 mxex1.tik.uni-stuttgart.de ( 129.69.192.20 )
• 10 mxex2.tik.uni-stuttgart.de ( 129.69.192.21 )

dns-auth1.uni-stuttgart.de

• 10 mxex1.tik.uni-stuttgart.de ( 129.69.192.20 )
• 10 mxex2.tik.uni-stuttgart.de ( 129.69.192.21 )

dns-auth3.uni-stuttgart.net

• 10 mxex1.tik.uni-stuttgart.de ( 129.69.192.20 )
• 10 mxex2.tik.uni-stuttgart.de ( 129.69.192.21 )

MX Record Consistency - OK

MX Record Count - OK

• 21.192.69.129.in-addr.arpa -> mxex2.tik.uni-stuttgart.de
• 20.192.69.129.in-addr.arpa -> mxex1.tik.uni-stuttgart.de

PTR Records - OK

• Signed: Yes
• Validation: Successful
• DNSKEY Records: 2
• DS Records in parent zone: 0
• DS at Parent: None

DNSSEC - OK

SPF Record Published: Passed

Multiple SPF Records: Passed

SPF Record 1:

• Record: v=spf1 include:_spf.mxex.uni-stuttgart.de include:_spf.mailrelay.uni-stuttgart.de
• SPF Syntax: Passed
• Deprecated Elements: Passed
• IP Addresses:
• Includes: _spf.mxex.uni-stuttgart.de, _spf.mailrelay.uni-stuttgart.de
• DNS Lookups: 7
• 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: dkim
• Selector 'dkim':
  Record: v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx65Gw5swxuiauBGQhSvuXY1UcF7qcsVheHJ1/4QwWLxAkcMXjsIPadtqGJzTdlW9psadOet4p9j7Tp57MjEVBJM+y9GfLXvo9Sfx2d47VrFQnOStrx97bJHaEnqWwOO9D2LUMUDHCnVcYH3DT3iXuNDPE+TA1tsD81sb8ZTK0wU5PQrwf4TxdXzqpUAbnvKBTT7WFc5t
• Valid Syntax: No

Warnings:

• DKIM record for selector 'dkim' may be incomplete

• 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:

• DMARC record does not exist