DNS Spy
Connectivity: 100%
The following nameservers are available and responding correctly for DNS queries for your domain calstrim.nl.
| Nameserver | IP address(es) | SOA serial |
|---|---|---|
| ns10.foxxl.net. |
136.144.232.207
2a01:7c8:d005:209::1 |
2021022401 |
| ns10.foxxl.nl. |
83.98.182.12
2001:16f8:15:100::1:12 |
2021022401 |
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 |
|---|---|---|
| ns10.foxxl.net. |
136.144.232.207
2a01:7c8:d005:209::1 |
31ms
27ms |
| ns10.foxxl.nl. |
83.98.182.12
2001:16f8:15:100::1:12 |
27ms
27ms |
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 ns10.foxxl.net. (136.144.232.207) replied quickly (< 50ms).
- Nameserver ns10.foxxl.net. (2a01:7c8:d005:209::1) replied in a reasonable time.
- Nameserver ns10.foxxl.nl. (83.98.182.12) replied quickly (< 50ms).
- Nameserver ns10.foxxl.nl. (2001:16f8:15:100::1:12) replied in a reasonable time.
Resilience & Security: 100%
These are the locations and providers of your nameservers.
| Nameserver | Location | ISP |
|---|---|---|
| ns10.foxxl.net. |
IPv4: NL
IPv6: NL |
AS20857 - TRANSIP-AS Amsterdam, the Netherlands, NL
AS20857 - TRANSIP-AS Amsterdam, the Netherlands, NL |
| ns10.foxxl.nl. |
IPv4: NL
IPv6: NL |
AS30870 - TRANS-IX-AS Trans-iX Autonomous System, NL
AS30870 - TRANS-IX-AS Trans-iX Autonomous System, 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 (foxxl.net, foxxl.nl).
DNS records: 94%
Our scans detected the following publicly available DNS records.
| Record | TTL | Value | |
|---|---|---|---|
| A | calstrim.nl | 24h | 83.98.182.120 |
| AAAA | calstrim.nl | 24h | 2001:16f8:15:100::1:120 |
| DNSKEY | calstrim.nl | 3h |
ZSK | RSA/SHA-256 | AwEAAboPJgPM+MJSBnvzgkSXG1S7rTb5dHGlWMCIfbYXAZf7Cxx6l3ld H+OTxELBU6usFotf6KGRbWiMj44rhRd/rhWvvWveKUCbz/LOvGYRDlyB JyR6O/sKc/F6VbCtgICohfB5Bj10h1XDFqs1zkCv+BT2eHR3VQkzT9xW RvRiDyVL KSK | RSA/SHA-256 | AwEAAbAnvGm39FBlFOjT4LnlmWlaE95faqjyWthDMUY+rwD1kZz8MrK9 TrJJ20mRHSwmoERV0ewqOQan3aaaPY7k4LKIXT7P+b4gOahQSbUl9sek Gq7+3ID7qglhzOqR+5YMpZ0XLLw4neQq6w8LZWasF4Shib/3O1PVOWL6 DgKyeUdwgKGtE3gh5P8wUX6rbRaIIdAq0qXBiPCKZP1duDnEK0JsuG/0 2T/ylYezN9UPgDtHtI7zYxVSTVNZ+Ro74IzsoLQ6Tyma65K5eW9f20Uu O3tGr+YL4SO5QpU9vG4yhNVRVq7Nnve9mkCIc+D3H28NGYdeuDVutgmI 0IetuPEQV7k= |
| MX | calstrim.nl | 24h |
10 mx01.foxxl.com. 20 mx02.foxxl.com. |
| NS | calstrim.nl | 24h |
ns10.foxxl.com. ns10.foxxl.net. ns10.foxxl.nl. |
| SOA | calstrim.nl | 24h | ns10.foxxl.nl. info.atherius.nl. 2021022401 10800 3600 1209600 10800 |
| TXT | calstrim.nl | 24h | "google-site-verification=l04FEad2qUA-jQvpYKgz23zHwbF5pN1fNOytfUZ-P4Y" |
| CNAME | _dmarc.calstrim.nl | 24h | _dmarcdefault.foxxl.com. |
| TXT | _dmarc.calstrim.nl | 120s | "v=DMARC1; p=none; rua=mailto:[email protected]; sp=reject;" |
| TXT | default._domainkey.calstrim.nl | 24h | "v=DKIM1; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDVVkt+6s4KmsGoQHV7JkXxSqla68+lZ1phGj+49G/knL7g5ejb8+OFkGWFk6pqacJ+ZFEnMJlrQGJjvawly4gzpiOmU1FgjqWPLP2DvolSIco+xveDbL0BNc3n1AvdWdusYPoDJgFW1KkJGgqlKWWs4Rg0LJ0g1cBMdvBt+3v1kwIDAQAB;" |
| CNAME | ftp.calstrim.nl | 24h | calstrim.nl. |
| A | imap.calstrim.nl | 24h | 83.98.182.120 |
| AAAA | imap.calstrim.nl | 24h | 2001:16f8:15:100::1:120 |
| A | ipv4.calstrim.nl | 24h | 83.98.182.120 |
| AAAA | ipv6.calstrim.nl | 24h | 2001:16f8:15:100::1:120 |
| A | mail.calstrim.nl | 24h | 83.98.182.120 |
| AAAA | mail.calstrim.nl | 24h | 2001:16f8:15:100::1:120 |
| A | pop.calstrim.nl | 24h | 83.98.182.120 |
| AAAA | pop.calstrim.nl | 24h | 2001:16f8:15:100::1:120 |
| A | smtp.calstrim.nl | 24h | 83.98.182.120 |
| AAAA | smtp.calstrim.nl | 24h | 2001:16f8:15:100::1:120 |
| A | webmail.calstrim.nl | 24h | 83.98.182.120 |
| AAAA | webmail.calstrim.nl | 24h | 2001:16f8:15:100::1:120 |
| CNAME | www.calstrim.nl | 24h | calstrim.nl. |
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.
- The active nameservers do not match your NS records. Please correct the NS records.
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.
- 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.
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 "calstrim.nl" has a long TTL (1h+).
- 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.
- DMARC records have been found.
- Found a root (apex) DNS record.
- Found a www DNS record.
- Found an IPv6 root DNS record.
- The DNS records appear to be RFC compliant.
Have a look at other public DNS scans.