DNS report for cogas.nl

This report was generated 1 week 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 cogas.nl.

Nameserver IP address(es) SOA serial
nsauth1.introweb.nl. 80.65.96.48
2001:1690:1:a::a
2019032901
nsauth2.introweb.nl. 213.136.15.2
2001:7b8:e01::a
2019032901
nsauth3.introweb.net. 62.165.127.221
2001:1690:1:c::a
2019032901

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
nsauth1.introweb.nl. 80.65.96.48
2001:1690:1:a::a
9ms
9ms
nsauth2.introweb.nl. 213.136.15.2
2001:7b8:e01::a
7ms
12ms
nsauth3.introweb.net. 62.165.127.221
2001:1690:1:c::a
8ms
8ms

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 nsauth1.introweb.nl. (80.65.96.48) replied quickly (< 50ms).
  • Nameserver nsauth1.introweb.nl. (2001:1690:1:a::a) replied in a reasonable time.
  • Nameserver nsauth2.introweb.nl. (213.136.15.2) replied quickly (< 50ms).
  • Nameserver nsauth2.introweb.nl. (2001:7b8:e01::a) replied in a reasonable time.
  • Nameserver nsauth3.introweb.net. (62.165.127.221) replied quickly (< 50ms).
  • Nameserver nsauth3.introweb.net. (2001:1690:1:c::a) replied in a reasonable time.

Resilience & Security: 100%

These are the locations and providers of your nameservers.

Nameserver Location ISP
nsauth1.introweb.nl. IPv4: NL
IPv6: NL
AS20847 - PREVIDER-AS, NL
AS20847 - PREVIDER-AS, NL
nsauth2.introweb.nl. IPv4: NL
IPv6: NL
AS12859 - NL-BIT BIT BV, NL
AS12859 - NL-BIT BIT BV, NL
nsauth3.introweb.net. IPv4: NL
IPv6: NL
AS20847 - PREVIDER-AS, NL
AS20847 - PREVIDER-AS, NL

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.

  • All IPv4 nameservers appear to be hosted in the same country (NL). You might want to consider spreading the nameservers geographically.
  • All IPv6 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.
  • The IPv4 nameservers are distributed among multiple providers.
  • The IPv6 nameservers are distributed among multiple providers.
  • DNSSEC is enabled.
  • The nameservers are being operated from multiple domains (introweb.nl, introweb.net).

DNS records: 94%

Our scans detected the following publicly available DNS records.

Record TTL Value
A cogas.nl 900s 84.241.177.51
DNSKEY cogas.nl 24h ZSK | RSA/SHA-256 | AwEAAcQG5Q2cjK/I6nyHF2LAu5xKC4ozEEriphpsAlbUazgqP5wwIAKE 9dBI24BH+ZyqrUfYHo4VwZrf/yEw6dehLbyauPoRP6GtxffYL4qpw2p2 EbS5uU7I7Z2+cqvB/PD8mdzhOkNINQnx8woriqN5deGQhIo6iMZSoQkt pjqEP/4X

KSK | RSA/SHA-256 | AwEAAdhajUk8pr79TTfHNelZU3nKBHOMz4Pz5jbeEjTb82h3ZERCmotZ 6isRo26WMVb1F4PgDEaNbdRK8/n+DbGdVN/ltRRF5heiuwF0gbQ4OuEx 8nEuOAx/xheHR8IfIUVM+Ia35aiuVvGsfOcsNRh+qO7edNIjX6QvAVAY lpKSaBFU+91/7o7AW1TIRNgan8GXyXVQPspvWwHYglDd8SssxZ1rEXex A3G+FYFtwaSzQJp36skcfYvvxE08IP+hRHA6p8NrCHdJ/+6cck/tqjPx +g9ERIbwlppAPBqpVaN4IHdNcPEMuiHPnU45ZaawIknevMo5kZBByNrw TrGbrrv42rM=
MX cogas.nl 1800s 10 mx.previder.nl.
100 mail.cogas.nl.
NS cogas.nl 1h nsauth1.introweb.nl.
nsauth2.introweb.nl.
nsauth3.introweb.net.
SOA cogas.nl 600s nsauth1.introweb.nl. postmaster.introweb.nl. 2019032901 28800 7200 604800 86400
TXT cogas.nl 1h "MS=ms78267221"
"v=spf1 ip4:80.65.107.247/32 a:mta.previder.nl ip4:83.172.130.23/32 ip4:83.172.131.57/32 ip4:84.241.177.43/32 include:smtp-eu11.fugro.com include:smtp-e12.fugro.com include:smtp-eu21.fugro.com include:smtp-eu22.fugro.com include:spf.antispamcloud.com incl" "ude:_spf.payt.nl -all"
TXT _dmarc.cogas.nl 5m "v=DMARC1\; p=none\; aspf=r\; adkim=r\; rua=mailto:dmarc-reports@cogas.nl\; ruf=mailto:dmarc-reports@cogas.nl"
SRV _sip._tls.cogas.nl 1h 1 100 443 sipdir.online.lync.com.
SRV _sipfederationtls._tcp.cogas.nl 1h 1 100 5061 sipfed.online.lync.com.
A autodiscover.cogas.nl 1h 80.65.109.210
TXT cm._domainkey.cogas.nl 1h "k=rsa\; t=y\; p=MHswDQYJKoZIhvcNAQEBBQADagAwZwJgtrUqS9Lo829N1V8XI9DeGXEr/B+kS+RobN7pH2aFiGYJOBSIhD6XAqKGsHZDfpRGUftau34hoSL4n0YHrsbRxR+5/rGHZz0ShIGQ2cxUC+3wuDiYKtPFzfnXBa/JAzBHAgMBAAE="
A exchange.cogas.nl 1h 80.65.109.210
A ftp.cogas.nl 1h 80.65.107.242
A home.cogas.nl 1h 80.65.107.248
CNAME lyncdiscover.cogas.nl 1h webdir.online.lync.com.
A mail.cogas.nl 360s 80.65.107.247
TXT mail._domainkey.cogas.nl 5m "v=DKIM1\; k=rsa\; t=y\; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCiAsvVBxwJEuDhtV4YP1r8jBWJ 469EGjGcuhzXn4xIvLZcYo0pJTOhDvusIHZZaGX7aHMMt72rqdDkKaavuXoM3iOo xP0mYW4UhUHLoQVFvrknPCYgi8ZovgoKE87z0kPhxhCNQuc7yd7bki4arrOOhL1D MSwgccDjc3CqTygCAQIDAQAB"
A secure.cogas.nl 1h 80.65.109.211
CNAME sip.cogas.nl 1h sipdir.online.lync.com.
A www.cogas.nl 900s 84.241.177.51

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 "cogas.nl" 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.

  • You have DMARC records configured, but the "p=none" policy only triggers reports to your e-mail address, the receiver is instructed to not take actions.
  • No IPv6 record has been found on the zone apex (cogas.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 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.
  • DMARC records have been found.
  • 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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