DNS Spy
Connectivity: 100%
The following nameservers are available and responding correctly for DNS queries for your domain amsterdamtech.net.
| Nameserver | IP address(es) | SOA serial |
|---|---|---|
| ns1.amsterdamtech.net. |
31.14.97.185
2a01:7c8:bb02:95::1 |
2023030702 |
| ns2.amsterdamtech.nl. |
95.217.19.94
2a01:4f9:c010:62c7::1 |
2023030702 |
| ns3.amsterdamtech.eu. |
51.68.212.68
2001:41d0:801:2000::2ef2 |
2023030702 |
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.amsterdamtech.net. |
31.14.97.185
2a01:7c8:bb02:95::1 |
23ms
23ms |
| ns2.amsterdamtech.nl. |
95.217.19.94
2a01:4f9:c010:62c7::1 |
1ms
1ms |
| ns3.amsterdamtech.eu. |
51.68.212.68
2001:41d0:801:2000::2ef2 |
31ms
43ms |
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.amsterdamtech.net. (31.14.97.185) replied quickly (< 50ms).
- Nameserver ns1.amsterdamtech.net. (2a01:7c8:bb02:95::1) replied in a reasonable time.
- Nameserver ns2.amsterdamtech.nl. (95.217.19.94) replied quickly (< 50ms).
- Nameserver ns2.amsterdamtech.nl. (2a01:4f9:c010:62c7::1) replied in a reasonable time.
- Nameserver ns3.amsterdamtech.eu. (51.68.212.68) replied quickly (< 50ms).
- Nameserver ns3.amsterdamtech.eu. (2001:41d0:801:2000::2ef2) replied in a reasonable time.
Resilience & Security: 100%
These are the locations and providers of your nameservers.
| Nameserver | Location | ISP |
|---|---|---|
| ns1.amsterdamtech.net. |
IPv4: NL
IPv6: NL |
AS20857 - TRANSIP-AS Amsterdam, the Netherlands, NL
AS20857 - TRANSIP-AS Amsterdam, the Netherlands, NL |
| ns2.amsterdamtech.nl. |
IPv4: DE
IPv6: DE |
AS24940 - HETZNER-AS, DE
AS24940 - HETZNER-AS, DE |
| ns3.amsterdamtech.eu. |
IPv4: FR
IPv6: FR |
AS16276 - OVH, FR
AS16276 - OVH, FR |
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.
- 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.
- CAA records found.
- The nameservers are being operated from multiple domains (amsterdamtech.net, amsterdamtech.nl, amsterdamtech.eu).
DNS records: 100%
Our scans detected the following publicly available DNS records.
| Record | TTL | Value | |
|---|---|---|---|
| A | amsterdamtech.net | 1h | 31.14.97.188 |
| AAAA | amsterdamtech.net | 1h | 2a01:7c8:bb02:98::1 |
| CAA | amsterdamtech.net | 1h | 0 issue "letsencrypt.org" |
| DNSKEY | amsterdamtech.net | 1h |
ZSK | ECDSA Curve P-256 with SHA-256 | CFklhXJEvbnNysCEYVBFbksOUnyqbLLwTKWPktZ0IKJPH98qNZHu7149 2OvHpAavasvJAVhSDUiU8V1wMV+uXg== KSK | ECDSA Curve P-256 with SHA-256 | rLO0SHvBOUYi7c0xqZFyTnQhBBiRvUBAW1iWLzIWLbbsJ0MabyUBi9Zi 5FwmwcaxOSdvrxVCUgG9jf53MwTjHw== |
| MX | amsterdamtech.net | 24h |
10 mx1.amsterdamtech.net. 10 mx2.amsterdamtech.net. |
| NS | amsterdamtech.net | 24h |
ns1.amsterdamtech.net. ns2.amsterdamtech.nl. ns3.amsterdamtech.eu. |
| SOA | amsterdamtech.net | 1h | ns1.amsterdamtech.net. hostmaster.amsterdamtech.nl. 2023030702 14400 3600 1209600 300 |
| TXT | amsterdamtech.net | 1h |
"abuseipdb-verification=xaTbJgD7" "v=spf1 a:spencer.amsterdamtech.net a:yale.amsterdamtech.net a:bosman.amsterdamtech.net a:unifi.amsterdamtech.net include:_spf.amsterdamtech.net -all" |
| SRV | _autodiscover._tcp.amsterdamtech.net | 24h | 0 0 443 autodiscover.amsterdamtech.net. |
| TXT | _dmarc.amsterdamtech.net | 1h | "v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=0:1:d:s; aspf=s" |
| CNAME | autodiscover.amsterdamtech.net | 24h | spencer.amsterdamtech.net. |
| TXT | default._domainkey.amsterdamtech.net | 1h | "v=DKIM1; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy2HxJLeVjkhJ9ctL8Eixa0SQ39kG7igfZVPJqTUMdHx2aQmvstqNNlOeO+fFHQhtmTRYf0Q8dBnavCpCB0DsWal1TbYKTwJeWiML7AzXtHNOPn5phLg23tjssdlt5tEcSK8lpcWrY5jyxhE54KjA+/79H4gdisIQvKyvcBJYdLkjdBQWxBxtGBpWOgByHfRwCMu" "0nenPCk/zxyTzvMzP3Of19GjbTYIpvkSrcwiYTcTQSbAhdmdwVoELhrOp1Vd6S+PldxToIfD7C6ATCchLNJxPyS0zv2rt8zHjRmJQKrIjHUzK5wpg+VjcNkY9042yBTtY9pQMxTycYuJtC/4o6QIDAQAB" |
| CNAME | ftp.amsterdamtech.net | 1h | amsterdamtech.net. |
| A | imap.amsterdamtech.net | 1h | 31.14.97.187 |
| AAAA | imap.amsterdamtech.net | 1h | 2a01:7c8:bb02:97::1 |
| A | ipv4.amsterdamtech.net | 1h | 31.14.97.188 |
| AAAA | ipv6.amsterdamtech.net | 1h | 2a01:7c8:bb02:98::1 |
| CNAME | mail.amsterdamtech.net | 1h | mx1.amsterdamtech.net. |
| A | mx1.amsterdamtech.net | 1h | 31.14.97.187 |
| AAAA | mx1.amsterdamtech.net | 1h | 2a01:7c8:bb02:97::1 |
| A | mx2.amsterdamtech.net | 1h | 136.144.239.162 |
| AAAA | mx2.amsterdamtech.net | 1h | 2a01:7c8:d009:198::1 |
| A | ns1.amsterdamtech.net | 1h | 31.14.97.185 |
| AAAA | ns1.amsterdamtech.net | 1h | 2a01:7c8:bb02:95::1 |
| A | pop3.amsterdamtech.net | 1h | 31.14.97.187 |
| AAAA | pop3.amsterdamtech.net | 1h | 2a01:7c8:bb02:97::1 |
| A | smtp.amsterdamtech.net | 1h | 31.14.97.187 |
| AAAA | smtp.amsterdamtech.net | 1h | 2a01:7c8:bb02:97::1 |
| A | webmail.amsterdamtech.net | 1h | 31.14.97.186 |
| AAAA | webmail.amsterdamtech.net | 1h | 2a01:7c8:bb02:96::1 |
| CNAME | www.amsterdamtech.net | 1h | amsterdamtech.net. |
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.
- Multiple MX records found.
- MX records with different priorities found (main + fall-back mailservers).
- The MX record for "amsterdamtech.net" 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.
- SPF records have been found.
- SPF records are set up restrictively.
- DMARC records have been found.
- DMARC records are set up restrictively.
- 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.