DNS Spy
Connectivity: 100%
The following nameservers are available and responding correctly for DNS queries for your domain artagent.cz.
| Nameserver | IP address(es) | SOA serial |
|---|---|---|
| ns1.websupport.cz. |
45.10.97.11
2a10:bbc0::11 |
1748038745 |
| ns2.websupport.cz. |
185.71.159.12
2a02:250:3::12 |
1748038745 |
| ns3.websupport.eu. |
45.10.97.13
2a10:bbc0::13 |
1748038745 |
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 |
|---|---|---|
| ns1.websupport.cz. |
45.10.97.11
2a10:bbc0::11 |
18ms
1ms |
| ns2.websupport.cz. |
185.71.159.12
2a02:250:3::12 |
1ms
1ms |
| ns3.websupport.eu. |
45.10.97.13
2a10:bbc0::13 |
1ms
1ms |
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 ns1.websupport.cz. (45.10.97.11) replied quickly (< 50ms).
- Nameserver ns1.websupport.cz. (2a10:bbc0::11) replied in a reasonable time.
- Nameserver ns2.websupport.cz. (185.71.159.12) replied quickly (< 50ms).
- Nameserver ns2.websupport.cz. (2a02:250:3::12) replied in a reasonable time.
- Nameserver ns3.websupport.eu. (45.10.97.13) replied quickly (< 50ms).
- Nameserver ns3.websupport.eu. (2a10:bbc0::13) replied in a reasonable time.
Resilience & Security: 71%
These are the locations and providers of your nameservers.
| Nameserver | Location | ISP |
|---|---|---|
| ns1.websupport.cz. |
IPv4: CZ
IPv6: CZ |
AS25234 - ACTIVE24-AS www.active24.cz, CZ
AS25234 - ACTIVE24-AS www.active24.cz, CZ |
| ns2.websupport.cz. |
IPv4: SE
IPv6: SE |
AS25234 - ACTIVE24-AS www.active24.cz, CZ
AS25234 - ACTIVE24-AS www.active24.cz, CZ |
| ns3.websupport.eu. |
IPv4: CZ
IPv6: CZ |
AS25234 - ACTIVE24-AS www.active24.cz, CZ
AS25234 - ACTIVE24-AS www.active24.cz, CZ |
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 (AS25234 - ACTIVE24-AS www.active24.cz, CZ). Consider spreading the nameservers across multiple DNS providers for increased redundancy.
- All IPv6 nameservers are hosted by the same provider (AS25234 - ACTIVE24-AS www.active24.cz, CZ). Consider spreading the nameservers across multiple DNS providers for increased redundancy.
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 across multiple locations.
- The IPv6 nameservers are distributed across multiple locations.
- DNSSEC is enabled.
- The nameservers are being operated from multiple domains (websupport.cz, websupport.eu).
DNS records: 94%
Our scans detected the following publicly available DNS records.
| Record | TTL | Value | |
|---|---|---|---|
| A | artagent.cz | 600s | 37.9.175.165 |
| AAAA | artagent.cz | 600s | 2a00:4b40:aaaa:2005::5 |
| DNSKEY | artagent.cz | 24h |
ZSK | ECDSA Curve P-256 with SHA-256 | E9zxTkJUTkyRjaySQy0TTErj0Z2g9XGO663bPLHuwrCH+jXm7JScf8hl JLsh3KE9GMyPTOq0oHIhN/LjwiLZtw== KSK | ECDSA Curve P-256 with SHA-256 | QFqmZ3W43GlWBSJXUk9M5aQjkk39n8gbvcxZY1QZfBWltyTLk/Zny0JB FNBxd3BIwB/2255+NUrILQaNM4LpyA== |
| MX | artagent.cz | 600s |
10 mx10.active24.cz. 100 mx20.active24.cz. |
| NS | artagent.cz | 1h |
ns1.websupport.cz. ns2.websupport.cz. ns3.websupport.eu. |
| SOA | artagent.cz | 24h | ns1.websupport.cz. admin.websupport.cz. 1748038745 7200 2048 1048576 2560 |
| TXT | artagent.cz | 600s |
"spf2.0/pra a mx include:_sid.websupport.cz ?all" "v=spf1 a mx include:_spf.websupport.cz ?all" |
| SRV | _autodiscover._tcp.artagent.cz | 600s | 0 0 443 web.prod.bts.websupport.sk. |
| A | *.artagent.cz | 600s | 37.9.175.165 |
| A | admin.artagent.cz | 600s | 37.9.175.26 |
| CNAME | autodiscover.artagent.cz | 600s | web.prod.bts.websupport.sk. |
| A | imap.artagent.cz | 600s | 45.13.137.123 |
| AAAA | imap.artagent.cz | 600s | 2a00:4b40:aaaa:2101:45:13:137:123 |
| A | mail.artagent.cz | 600s | 45.13.137.123 |
| AAAA | mail.artagent.cz | 600s | 2a00:4b40:aaaa:2101:45:13:137:123 |
| TXT | mail._domainkey.artagent.cz | 600s | "v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsaybITa7+mEqjGM5kNT9kOlqZ9ICmljp87jLMdnA4I3b2119b1LTCEEFN5QoM/32QN0iQgrXm4e5P7D8ZIE24XYzeu2zdjwS9SQo+rU4s7KYYWXl9JkbTVRaP5INx4GySesAYdhlWUKk76jV6CWKU+MzK2DnUTJ6Is1l3JvuAZb3h5TqCEzON+ZyppJAagBvI" "iC97CZAnImAZu/gSJnKIuJAM5hHTkSxXz01tvLKIkgi3tlZSM01COtZosAovEkbIh3Vsf3RYxhXtHxPA/V6jOqjzVF46BsLFDJmosaD3iYKuZVr06ZbwT1KuwTGWpdg8zRef1UYmevms4e0rDTwiwIDAQAB" |
| A | pop3.artagent.cz | 600s | 45.13.137.123 |
| AAAA | pop3.artagent.cz | 600s | 2a00:4b40:aaaa:2101:45:13:137:123 |
| A | smtp.artagent.cz | 600s | 45.13.137.123 |
| AAAA | smtp.artagent.cz | 600s | 2a00:4b40:aaaa:2101:45:13:137:123 |
| A | webmail.artagent.cz | 600s | 45.13.137.123 |
| AAAA | webmail.artagent.cz | 600s | 2a00:4b40:aaaa:2101:45:13:137:123 |
| A | www.artagent.cz | 600s | 37.9.175.165 |
| AAAA | www.artagent.cz | 600s | 2a00:4b40:aaaa:2005::5 |
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 "artagent.cz" 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.
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.
- SPF 2.0 records have been found.
- 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.
Have a look at other public DNS scans.