DNS report for sfieb.com.br

This report was generated 2 weeks ago. Refresh?
D
Connectivity
43%
Performance
0%
Resilience & Security
25%
DNS records
92%
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Connectivity: 43%

The following nameservers are available and responding correctly for DNS queries for your domain sfieb.com.br.

Nameserver IP address(es) SOA serial
fbp101-005.fieb.org.br. 200.9.65.194
internetgw.fieb.org.br. 200.9.65.193

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.
  • Some of the nameservers are offline: fbp101-005.fieb.org.br.,internetgw.fieb.org.br.
  • 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.

  • Nameservers are available over IPv4.

Performance: 0%

We tested each nameserver and measured the following response times.

Nameserver IP address(es) Response time
fbp101-005.fieb.org.br. 200.9.65.194 1231ms
internetgw.fieb.org.br. 200.9.65.193 1023ms

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.

  • Nameserver fbp101-005.fieb.org.br. (200.9.65.194) replied, but took too long (1231ms). This will severely impact performance.
  • Nameserver internetgw.fieb.org.br. (200.9.65.193) replied, but took too long (1023ms). This will severely impact performance.

We could not find any recommendations at this time.

We could not find any recommendations at this time.

Resilience & Security: 25%

These are the locations and providers of your nameservers.

Nameserver Location ISP
fbp101-005.fieb.org.br. IPv4: BR AS264304 - Servico Nacional de Aprendizagem Industrial-SENAI, BR
internetgw.fieb.org.br. IPv4: BR AS264304 - Servico Nacional de Aprendizagem Industrial-SENAI, BR

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 (AS264304 - Servico Nacional de Aprendizagem Industrial-SENAI, BR). 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.
  • All the nameservers are being operated from a single domain (fieb.org.br). If that domain gets compromised or goes offline, the DNS will be unavailable. Consider spreading the nameservers across multiple domains.

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 (BR). 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.

DNS records: 92%

Our scans detected the following publicly available DNS records.

Record TTL Value
MX sfieb.com.br 1h 1 aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
NS sfieb.com.br 0s fbp101-005.fieb.org.br.
internetgw.fieb.org.br.
SOA sfieb.com.br 1h internetgw. hostmaster. 28 900 600 86400 3600
TXT sfieb.com.br 1h "v=spf1 mx include:sfispf.sfieb.com.br ~all"

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 NS records for "sfieb.com.br" 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 DMARC records have been found. Consider configuring DMARC for improved e-mail authentication.
  • No DNS record found on your zone apex (sfieb.com.br). Consider adding a DNS record for "sfieb.com.br" as an A record.
  • No IPv6 record has been found on the zone apex (sfieb.com.br). 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 "sfieb.com.br" has a long TTL (1h+).
  • The MX records points to multiple mailservers.
  • SPF records have been found.
  • SPF records are set up restrictively.
  • The active nameservers match the NS records.
  • The DNS records appear to be RFC compliant.
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