DNS report for z3s.nl

This report was generated 2 weeks ago. Refresh?
A+
Connectivity
100%
Performance
100%
Resilience & Security
100%
DNS records
94%
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Connectivity: 100%

The following nameservers are available and responding correctly for DNS queries for your domain z3s.nl.

Nameserver IP address(es) SOA serial
een.dnssrv.nl. 85.17.199.26
2a02:40c0:1:2::100
2021112602
lisa.neostrada.nl. 66.228.38.167
2600:3c03::f03c:91ff:fe0a:b97
2021112602
sandra.neostrada.nl. 85.17.199.26
2a02:40c0:1:2::100
2021112602

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.

  • All nameservers reply with the same SOA serial number.
  • The nameserver IPs are distributed across multiple subnets.
  • All nameservers are online.
  • Nameservers are available over IPv4.
  • Nameservers are available over IPv6.

Performance: 100%

We tested each nameserver and measured the following response times.

Nameserver IP address(es) Response time
een.dnssrv.nl. 85.17.199.26
2a02:40c0:1:2::100
23ms
27ms
lisa.neostrada.nl. 66.228.38.167
2600:3c03::f03c:91ff:fe0a:b97
103ms
95ms
sandra.neostrada.nl. 85.17.199.26
2a02:40c0:1:2::100
27ms
23ms

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.

  • Nameserver lisa.neostrada.nl. (66.228.38.167) replied reasonably fast (< 150ms), but you should aim for < 50ms response times.

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

  • Nameserver een.dnssrv.nl. (85.17.199.26) replied quickly (< 50ms).
  • Nameserver een.dnssrv.nl. (2a02:40c0:1:2::100) replied in a reasonable time.
  • Nameserver lisa.neostrada.nl. (2600:3c03::f03c:91ff:fe0a:b97) replied in a reasonable time.
  • Nameserver sandra.neostrada.nl. (85.17.199.26) replied quickly (< 50ms).
  • Nameserver sandra.neostrada.nl. (2a02:40c0:1:2::100) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
een.dnssrv.nl. IPv4: NL
IPv6: NL
AS60781 - LEASEWEB-NL-AMS-01 Netherlands, NL
AS60781 - LEASEWEB-NL-AMS-01 Netherlands, NL
lisa.neostrada.nl. IPv4: US
IPv6: US
AS63949 - LINODE-AP Linode, LLC, US
AS63949 - LINODE-AP Linode, LLC, US
sandra.neostrada.nl. IPv4: NL
IPv6: NL
AS60781 - LEASEWEB-NL-AMS-01 Netherlands, NL
AS60781 - LEASEWEB-NL-AMS-01 Netherlands, NL

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.

  • You have more than 1 nameserver.
  • The IPv4 nameservers are distributed among multiple providers.
  • The IPv4 nameservers are distributed across multiple locations.
  • The IPv6 nameservers are distributed among multiple providers.
  • The IPv6 nameservers are distributed across multiple locations.
  • DNSSEC is enabled.
  • CAA records found.
  • The nameservers are being operated from multiple domains (dnssrv.nl, neostrada.nl).

DNS records: 94%

Our scans detected the following publicly available DNS records.

Record TTL Value
A z3s.nl 1h 185.87.187.115
AAAA z3s.nl 1h 2a00:f10:305:0:1c00:f5ff:fe00:4ab
CAA z3s.nl 1h 0 issue "sectigo.com"
DNSKEY z3s.nl 1h ZSK | RSA/SHA-256 | AwEAAcbWGmcJUtZ5xDCPPoZ8qAPkpIxbqWOCDXXJYmZO9PT6ALXl6vhW 6byhn1k0vXmBYmSkAC4Q2yt5Vja+RDjzC0hTXQTTlp90FWfIpMPTkB+u Hl6NstTNLOHpVaMRdpbtQlM2rjI/T8+LXyCIKYO5OC097ny8LGIcTs0u OPkaWqUt

KSK | RSA/SHA-256 | AwEAAdemMXJ2FSHGWwp5rr1uJNu7Brj7YswEjE2lMaMOxMTozBz4FSHW XlK8atFJA75dxgYypDOz7EQtkvr2sPoHNpcewEnorfV/0DcJ0jGViW0/ A/rxpUe5BodlXsVpRLhwwF7GAkCpqeSVTjhbrpR+CDJsDqHs3bRF4gsJ E7Q0UuFxNQEHzS0t0v2727pt3Tv7Ipr5izEFw5q+g5bRzKyiq7m3kiPw 5beCH3b/WUHoj8jOjwtAb5IGhIjSGogF+mJOx7IJ7znfQsLSxhplSWUH s/rKb6N6cQcSQhH6fKLC93D1Un/XuD248whyJqy5f7m5RTxleFK99JQZ fYqtyy2cv3U=
MX z3s.nl 1h 10 mail.z3s.nl.
NS z3s.nl 1h een.dnssrv.nl.
lisa.neostrada.nl.
sandra.neostrada.nl.
SOA z3s.nl 1h sandra.neostrada.nl. hostmaster.sandra.neostrada.nl. 2021112602 10800 3600 604800 3600
TXT z3s.nl 1h "v=spf1 +mx +a +ip4:185.87.187.115 +ip6:2a00:f10:305:0:1c00:f5ff:fe00:4ab +include:spf.totaalholding.nl -all"
TXT _dmarc.z3s.nl 1h "v=DMARC1; p=reject; sp=reject; pct=100; adkim=s; aspf=r; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1"
TXT default._domainkey.z3s.nl 1h "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyon02hgacDp089kkGgFqfmA0vqdziQeXUjEJLWh1rOf7Jt7rfCQygl5GZEIrLc3VRl7AZqWx+D35bAnZvTeDNqfkZx06Z22v0K8n5M86cDOLnGGrMt+cBYlT7c6hnHivUmC4JMj+6nx5Uw9Tw3w8CdvfIg/ocy/9lNBVI+isNbfDBOFkvPnHEU/P2QdRloAX/" "Ag5M0HeSLnYTKaeGnJR8WoqsW5HHIiNRPbLWKVazFhgptRpjMJ8/sjtAs0icr7LeqHvbH5kDjzera9+Th7WzK6buBhH7OYG+W8k/8lq397c19V7uTpi+Eg7ib2Wmq4kzMWXLMbtpNyVtAtY3yi/XwIDAQAB;"
A localhost.z3s.nl 1h 127.0.0.1
A mail.z3s.nl 1h 185.87.187.115
AAAA mail.z3s.nl 1h 2a00:f10:305:0:1c00:f5ff:fe00:4ab
A webmail.z3s.nl 1h 185.87.187.115
A www.z3s.nl 1h 185.87.187.115
AAAA www.z3s.nl 1h 2a00:f10:305:0:1c00:f5ff:fe00:4ab

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.

  • We only detected 1 MX record. Multiple MX records (or multiple IPs behind the MX record) provide redundancy and a more robust e-mail setup.

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.

  • The MX record for "z3s.nl" has a long TTL (1h+).
  • 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.
  • DMARC records have been found.
  • DMARC records are set up restrictively.
  • Found a root (apex) DNS record.
  • Found a www DNS record.
  • Found an IPv6 root DNS record.
  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
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