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DNS Report for ac.uk

Date Generated: 2024-08-05 15:10:58
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Nameservers

  • ns3.ja.net
    • IPv4: 193.63.106.103
    • IPv6: 2001:630:0:46::67
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns2.ja.net
    • IPv4: 193.63.105.17
    • IPv6: 2001:630:0:45::11
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns1.surfnet.nl
    • IPv4: 192.87.106.101
    • IPv6: 2001:610:1:800a:192:87:106:101
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • ns4.ja.net
    • IPv4: 193.62.157.66
    • IPv6: 2001:630:0:47::42
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • dns-3.dfn.de
    • IPv4: 193.174.75.58
    • IPv6: 2001:638:d:b103::1
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A
  • auth03.ns.uu.net
    • IPv4: 198.6.1.83
    • IPv6: No IPv6 found
    • TTL (IPv4): 30 seconds
    • TTL (IPv6): N/A seconds
    • Recursive: N/A
  • ns0.ja.net
    • IPv4: 193.63.94.20, 128.86.1.20
    • IPv6: 2001:630:0:8::14, 2001:630:0:9::14
    • TTL (IPv4): 29 seconds
    • TTL (IPv6): 30 seconds
    • Recursive: N/A

Nameserver Count - OK

Nameserver Queries

  • ns3.ja.net
    • Status: Failed: The DNS response does not contain an answer to the question: ac.uk. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns2.ja.net
    • Status: Failed: The DNS response does not contain an answer to the question: ac.uk. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns1.surfnet.nl
    • Status: Failed: The DNS response does not contain an answer to the question: ac.uk. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns4.ja.net
    • Status: Failed: The DNS response does not contain an answer to the question: ac.uk. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • dns-3.dfn.de
    • Status: Failed: The DNS response does not contain an answer to the question: ac.uk. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • auth03.ns.uu.net
    • Status: Failed: The DNS response does not contain an answer to the question: ac.uk. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)
  • ns0.ja.net
    • Status: Failed: The DNS response does not contain an answer to the question: ac.uk. IN A
    • IP(s):
    • TTL: N/A seconds
    • Recursive Queries: Does not allow recursive queries
    • TCP Connectivity: TCP connection failed (Response code: REFUSED)

SOA Records

ns3.ja.net
  • Serial: 2024080530
  • Refresh: 28800
  • Retry: 7200
  • Expire: 3600000
  • Minimum TTL: 14400
ns2.ja.net
  • Serial: 2024080530
  • Refresh: 28800
  • Retry: 7200
  • Expire: 3600000
  • Minimum TTL: 14400
ns1.surfnet.nl
  • Serial: 2024080530
  • Refresh: 28800
  • Retry: 7200
  • Expire: 3600000
  • Minimum TTL: 14400
ns4.ja.net
  • Serial: 2024080530
  • Refresh: 28800
  • Retry: 7200
  • Expire: 3600000
  • Minimum TTL: 14400
dns-3.dfn.de
  • Serial: 2024080530
  • Refresh: 28800
  • Retry: 7200
  • Expire: 3600000
  • Minimum TTL: 14400
auth03.ns.uu.net
  • Serial: 2024080530
  • Refresh: 28800
  • Retry: 7200
  • Expire: 3600000
  • Minimum TTL: 14400
ns0.ja.net
  • Serial: 2024080530
  • Refresh: 28800
  • Retry: 7200
  • Expire: 3600000
  • Minimum TTL: 14400

Serial: 2024080530 - OK

REFRESH: 28800 - OK

RETRY: 7200 - OK

EXPIRE: 3600000 - OK

MINIMUM TTL: 14400 - Note: Outside recommended range (1-3 hours)

MX Records

ns3.ja.net

Error: The DNS response does not contain an answer to the question: ac.uk. IN MX

ns2.ja.net

Error: The DNS response does not contain an answer to the question: ac.uk. IN MX

ns1.surfnet.nl

Error: The DNS response does not contain an answer to the question: ac.uk. IN MX

ns4.ja.net

Error: The DNS response does not contain an answer to the question: ac.uk. IN MX

dns-3.dfn.de

Error: The DNS response does not contain an answer to the question: ac.uk. IN MX

auth03.ns.uu.net

Error: The DNS response does not contain an answer to the question: ac.uk. IN MX

ns0.ja.net

Error: The DNS response does not contain an answer to the question: ac.uk. IN MX

MX Record Consistency - OK

MX Record Count - OK

Reverse MX A records (PTR)

No PTR records data available.

DNSSEC

DNSSEC Inspector
  • Signed: Yes
  • Validation: Successful
  • DNSKEY Records: 5
  • DS Records in parent zone: 0
  • DS at Parent: None

DNSSEC - OK

SPF (Sender Policy Framework)

SPF Record Published: Failed

Multiple SPF Records: Passed

Errors:
  • No TXT records found

DKIM (DomainKeys Identified Mail)

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

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:
  • DMARC record does not exist
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