DNS report for instituut.net

This report was generated 5d ago. Refresh?
A+
Connectivity
100%
Performance
100%
Resilience & Security
100%
DNS records
93%
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Connectivity: 100%

The following nameservers are available and responding correctly for DNS queries for your domain instituut.net.

Nameserver IP address(es) SOA serial
a.ns.meerval.net. 83.247.10.51
2001:9e0:803:99::51
2019081501
ns1.6core.net. 94.142.241.53
2a02:898:52:1::1
2019081501
puck.nether.net. 204.42.254.5
2001:418:3f4::5
2019081501

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
a.ns.meerval.net. 83.247.10.51
2001:9e0:803:99::51
8ms
8ms
ns1.6core.net. 94.142.241.53
2a02:898:52:1::1
12ms
10ms
puck.nether.net. 204.42.254.5
2001:418:3f4::5
109ms
99ms

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 puck.nether.net. (204.42.254.5) 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 a.ns.meerval.net. (83.247.10.51) replied quickly (< 50ms).
  • Nameserver a.ns.meerval.net. (2001:9e0:803:99::51) replied in a reasonable time.
  • Nameserver ns1.6core.net. (94.142.241.53) replied quickly (< 50ms).
  • Nameserver ns1.6core.net. (2a02:898:52:1::1) replied in a reasonable time.
  • Nameserver puck.nether.net. (2001:418:3f4::5) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
a.ns.meerval.net. IPv4: NL
IPv6: NL
AS12414 - NL-SOLCON SOLCON, NL
AS12414 - NL-SOLCON SOLCON, NL
ns1.6core.net. IPv4: NL
IPv6: NL
AS8283 - COLOCLUE-AS Netwerkvereniging Coloclue, Amsterdam, Netherlands, NL
AS8283 - COLOCLUE-AS Netwerkvereniging Coloclue, Amsterdam, Netherlands, NL
puck.nether.net. IPv4: US
IPv6: US
AS2914 - NTT-COMMUNICATIONS-2914 - NTT America, Inc., US
AS2914 - NTT-COMMUNICATIONS-2914 - NTT America, Inc., US

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 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.
  • 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.
  • The nameservers are being operated from multiple domains (meerval.net, 6core.net, nether.net).

DNS records: 93%

Our scans detected the following publicly available DNS records.

Record TTL Value
A instituut.net 5m 165.254.255.26
AAAA instituut.net 600s 2001:728:1808::26
DNSKEY instituut.net 900s ZSK | ECDSA Curve P-256 with SHA-256 | qg6yM14tR61OO+D9UvM/WN5OmIyk50p9sdOtwQ8zf1XrJMaaF5GHAymK k1Kf5MBrBu1JliVNdY58FiYUj9aqWA==
MX instituut.net 5m 10 aspmx.l.google.com.
20 alt1.aspmx.l.google.com.
20 alt2.aspmx.l.google.com.
30 aspmx2.googlemail.com.
30 aspmx3.googlemail.com.
30 aspmx4.googlemail.com.
30 aspmx5.googlemail.com.
NS instituut.net 86401s a.ns.meerval.net.
ns1.6core.net.
puck.nether.net.
SOA instituut.net 1h ns1.6core.net. job.instituut.net. 2019081501 7200 3600 1209600 900
TXT instituut.net 600s "keybase-site-verification=MhBxDgy3_vtrLnAijq88rze4e11GxCJ7BEHTx_FW_u8"
SRV _jabber._tcp.instituut.net 5m 20 0 5269 xmpp-server1.l.google.com.
20 0 5269 xmpp-server2.l.google.com.
20 0 5269 xmpp-server3.l.google.com.
20 0 5269 xmpp-server4.l.google.com.
5 0 5269 xmpp-server.l.google.com.
SRV _sip._udp.instituut.net 600s 10 10 5060 sip.instituut.net.
SRV _xmpp-server._tcp.instituut.net 5m 20 0 5269 xmpp-server1.l.google.com.
20 0 5269 xmpp-server2.l.google.com.
20 0 5269 xmpp-server3.l.google.com.
20 0 5269 xmpp-server4.l.google.com.
5 0 5269 xmpp-server.l.google.com.
CNAME calendar.instituut.net 5m ghs46.google.com.
A localhost.instituut.net 5m 127.0.0.1
CNAME mail.instituut.net 5m ghs46.google.com.
A www.instituut.net 5m 165.254.255.26
AAAA www.instituut.net 600s 2001:728:1808::26

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.

  • Consider giving the MX record for "instituut.net" a longer TTL, as those don't change often (1h+).

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 SPF records were found. SPF records limit which IPs are allowed to send mail from this domain. Even if this domain doesn't send e-mails, you should set up SPF to confirm it will never send e-mail, to prevent spoofing.
  • No DMARC records have been found. Consider configuring DMARC for improved e-mail authentication.

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 records points to multiple mailservers.
  • The NS records have a long TTL (1h+).
  • Your SOA serial number follows the best practice YYYYMMDDxx format.
  • 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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