DNS report for kolibri24.nl

This report was generated 3d ago. Refresh?
B
Connectivity
57%
Performance
100%
Resilience & Security
50%
DNS records
100%
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Connectivity: 57%

The following nameservers are available and responding correctly for DNS queries for your domain kolibri24.nl.

Nameserver IP address(es) SOA serial
ns01.kolibri24.nl. 212.83.211.107 1622472061
ns02.kolibri24.nl. 212.83.211.124 1622472062

We detected the following errors or warnings about your DNS configuration. These caused your DNS rating to be lowered. Resolving these will grant a higher DNS Spy rating for your domain.

  • Not all nameservers respond with the same SOA serial number.
  • The nameserver IPs are on the same /24 subnet.
  • No IPv6 reachable nameservers were found. Users on IPv6-only networks are unable to reach you.

We could not find any recommendations at this time.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • All nameservers are online.
  • Nameservers are available over IPv4.

Performance: 100%

We tested each nameserver and measured the following response times.

Nameserver IP address(es) Response time
ns01.kolibri24.nl. 212.83.211.107 27ms
ns02.kolibri24.nl. 212.83.211.124 27ms

Good news, no warnings or errors were found.

We could not find any recommendations at this time.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • Nameserver ns01.kolibri24.nl. (212.83.211.107) replied quickly (< 50ms).
  • Nameserver ns02.kolibri24.nl. (212.83.211.124) replied quickly (< 50ms).

Resilience & Security: 50%

These are the locations and providers of your nameservers.

Nameserver Location ISP
ns01.kolibri24.nl. IPv4: NL AS9150 - INTERCONNECT Interconnect Services BV, NL
ns02.kolibri24.nl. IPv4: NL AS9150 - INTERCONNECT Interconnect Services BV, NL

We detected the following errors or warnings about your DNS configuration. These caused your DNS rating to be lowered. Resolving these will grant a higher DNS Spy rating for your domain.

  • All IPv4 nameservers are hosted by the same provider (AS9150 - INTERCONNECT Interconnect Services BV, NL). Consider spreading the nameservers across multiple DNS providers for increased redundancy.
  • No DNSSEC records found. Consider enabling DNSSEC, as it provides a way to validate DNS responses for data integrity.

We detected some possible recommendations for you to consider. No penalties were given for these, but resolving them can give you a higher DNS score.

  • All IPv4 nameservers appear to be hosted in the same country (NL). You might want to consider spreading the nameservers geographically.
  • No CAA records found. Consider adding CAA records, as it adds increased security by limiting which Certificate Authorities can issue certificates for this domain. (more info)

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • You have more than 1 nameserver.
  • You are using glue records, this will speed up the initial DNS requests.

DNS records: 100%

Our scans detected the following publicly available DNS records.

Record TTL Value
A kolibri24.nl 7200s 212.83.211.112
MX kolibri24.nl 7200s 10 mx1.kolibri24.nl.
20 mx2.kolibri24.nl.
20 mx3.kolibri24.nl.
NS kolibri24.nl 7200s ns01.kolibri24.nl.
ns02.kolibri24.nl.
SOA kolibri24.nl 7200s ns01.kolibri24.nl. dnsadmin.barion.nl. 1622472061 7200 7200 1209600 7200
TXT kolibri24.nl 7200s "v=spf1 include:_spf.kolibri.software ~all"
A localhost.kolibri24.nl 7200s 127.0.0.1
A ns01.kolibri24.nl 7200s 212.83.211.107
A ns02.kolibri24.nl 7200s 212.83.211.124
A www.kolibri24.nl 7200s 212.83.211.112

Good news, no warnings or errors were found.

We detected some possible recommendations for you to consider. No penalties were given for these, but resolving them can give you a higher DNS score.

  • No DMARC records have been found. Consider configuring DMARC for improved e-mail authentication.
  • No IPv6 record has been found on the zone apex (kolibri24.nl). Consider enabling IPv6 in the infrastructure by adding an AAAA record on this domain.

Good news, we detected the following achievements in your DNS configuration. Each of these checks has increased your DNS Spy score.

  • Multiple MX records found.
  • MX records with different priorities found (main + fall-back mailservers).
  • The MX record for "kolibri24.nl" has a long TTL (1h+).
  • The MX records points to multiple mailservers.
  • The NS records have a long TTL (1h+).
  • Your SOA serial number follows the best practice YYYYMMDDxx format.
  • SPF records have been found.
  • SPF records are set up restrictively.
  • Found a root (apex) DNS record.
  • Found a www DNS record.
  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
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