Connectivity: 100%
The following nameservers are available and responding correctly for DNS queries for your domain tnnet.fi.
Nameserver | IP address(es) | SOA serial |
---|---|---|
ns1.z.fi. |
162.219.54.2
2620:10a:80eb::2 |
2022042101 |
ns2.z.fi. |
162.219.55.2
2620:10a:80ec::2 |
2022042101 |
safiiri.tnnet.fi. |
89.236.110.3
2001:40e8:0:12:89:236:110:3 |
2022042101 |
timantti.tnnet.fi. |
217.112.240.11
2001:40e8:0:10:217:112:240:11 |
2022042101 |

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.z.fi. |
162.219.54.2
2620:10a:80eb::2 |
47ms
27ms |
ns2.z.fi. |
162.219.55.2
2620:10a:80ec::2 |
7ms
7ms |
safiiri.tnnet.fi. |
89.236.110.3
2001:40e8:0:12:89:236:110:3 |
3ms
1ms |
timantti.tnnet.fi. |
217.112.240.11
2001:40e8:0:10:217:112:240:11 |
7ms
3ms |

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.z.fi. (162.219.54.2) replied quickly (< 50ms).
- Nameserver ns1.z.fi. (2620:10a:80eb::2) replied in a reasonable time.
- Nameserver ns2.z.fi. (162.219.55.2) replied quickly (< 50ms).
- Nameserver ns2.z.fi. (2620:10a:80ec::2) replied in a reasonable time.
- Nameserver safiiri.tnnet.fi. (89.236.110.3) replied quickly (< 50ms).
- Nameserver safiiri.tnnet.fi. (2001:40e8:0:12:89:236:110:3) replied in a reasonable time.
- Nameserver timantti.tnnet.fi. (217.112.240.11) replied quickly (< 50ms).
- Nameserver timantti.tnnet.fi. (2001:40e8:0:10:217:112:240:11) replied in a reasonable time.
Resilience & Security: 100%
These are the locations and providers of your nameservers.
Nameserver | Location | ISP |
---|---|---|
ns1.z.fi. |
IPv4: CA
IPv6: CA |
AS55195 - CIRA-CLOUD1, CA
AS55195 - CIRA-CLOUD1, CA |
ns2.z.fi. |
IPv4: CA
IPv6: CA |
AS394354 - CIRA-CLOUD2, CA
AS394354 - CIRA-CLOUD2, CA |
safiiri.tnnet.fi. |
IPv4: FI
IPv6: FI |
AS30798 - TNNET-AS TNNet Oy Main network, FI
AS30798 - TNNET-AS TNNet Oy Main network, FI |
timantti.tnnet.fi. |
IPv4: FI
IPv6: FI |
AS30798 - TNNET-AS TNNet Oy Main network, FI
AS30798 - TNNET-AS TNNet Oy Main network, FI |

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.
- 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 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.
- The nameservers are being operated from multiple domains (z.fi, tnnet.fi).
DNS records: 100%
Our scans detected the following publicly available DNS records.
Record | TTL | Value | |
---|---|---|---|
A | tnnet.fi | 1h | 89.236.117.199 |
AAAA | tnnet.fi | 1h | 2001:40e8:10:11:89:236:117:199 |
DNSKEY | tnnet.fi | 5m | KSK | ECDSA Curve P-256 with SHA-256 | bZBJ80yLTBYEM/qJ/yPLGYaZLE39mhnM9miNhWv+/BBxISZXYl4dgIfH vNM7UlfATYo+WYDlBdDX2n0FAnLoaA== |
MX | tnnet.fi | 1h | 10 mx-relay.tnnet.fi. |
NS | tnnet.fi | 1h |
ns1.z.fi. ns2.z.fi. safiiri.tnnet.fi. timantti.tnnet.fi. |
SOA | tnnet.fi | 1h | timantti.tnnet.fi. admin.tnnet.fi. 2022042101 300 600 1209600 300 |
TXT | tnnet.fi | 1h | "v=spf1 mx " "ip4:217.112.240.26 ip4:217.112.240.106 ip4:217.112.240.127 ip4:217.112.254.233 ip4:217.112.240.126 ip4:217.112.254.234 ip4:217.112.248.176 ip4:89.236.117.141 ip4:217.112.240.130 ip4:89.236.117.156 ip4:217.112.254.235 ip4:89.236.117.164 ip4:89.236.117.177 " "ip6:2001:40e8:0:10:babe::1 ip6:2001:40e8:10:11:89:236:117:141 ip6:2001:40e8:10:11:89:236:117:153 ip6:2001:40e8:10:11:89:236:117:156 ip6:2001:40e8:10:11:89:236:117:164 ip6:2001:40e8:10:11:89:236:117:177 " "-all" |
SRV | _autodiscover._tcp.tnnet.fi | 600s | 0 0 443 exchange2016.tnnet.fi. |
SRV | _gc._tcp.tnnet.fi | 600s |
0 100 3268 ametisti.tnnet.fi. 0 100 3268 rubiini.tnnet.fi. |
SRV | _kerberos._tcp.tnnet.fi | 600s |
0 100 88 ametisti.tnnet.fi. 0 100 88 rubiini.tnnet.fi. |
SRV | _kerberos._udp.tnnet.fi | 600s |
0 100 88 ametisti.tnnet.fi. 0 100 88 rubiini.tnnet.fi. |
SRV | _kpasswd._tcp.tnnet.fi | 600s |
0 100 464 ametisti.tnnet.fi. 0 100 464 rubiini.tnnet.fi. |
SRV | _kpasswd._udp.tnnet.fi | 600s |
0 100 464 ametisti.tnnet.fi. 0 100 464 rubiini.tnnet.fi. |
SRV | _ldap._tcp.tnnet.fi | 600s |
0 100 389 ametisti.tnnet.fi. 0 100 389 rubiini.tnnet.fi. |
SRV | _vlmcs._tcp.tnnet.fi | 600s | 0 100 1688 rubiini.tnnet.fi. |
A | alerts.tnnet.fi | 5m | 217.112.240.30 |
CNAME | autodiscover.tnnet.fi | 5m | exchange2016.tnnet.fi. |
A | chat.tnnet.fi | 5m | 217.112.240.86 |
A | dhcp.tnnet.fi | 5m | 89.236.119.195 |
A | exchange.tnnet.fi | 5m | 217.112.240.186 |
CNAME | git.tnnet.fi | 5m | judy.tnnet.fi. |
A | imap.tnnet.fi | 5m | 89.236.117.200 |
AAAA | imap.tnnet.fi | 5m | 2001:40e8:10:11:89:236:117:200 |
A | judy.tnnet.fi | 5m | 217.112.240.96 |
A | mail.tnnet.fi | 5m | 217.112.240.26 |
AAAA | mail.tnnet.fi | 5m | 2001:40e8:0:10:babe::1 |
A | mail1.tnnet.fi | 5m | 89.236.117.144 |
A | mail2.tnnet.fi | 5m | 89.236.117.149 |
A | mail3.tnnet.fi | 5m | 89.236.117.155 |
A | mail4.tnnet.fi | 5m | 89.236.117.159 |
CNAME | monitor.tnnet.fi | 5m | modesty.tnnet.fi. |
A | mssql.tnnet.fi | 5m | 217.112.240.187 |
A | mx1.tnnet.fi | 5m | 89.236.117.141 |
AAAA | mx1.tnnet.fi | 5m | 2001:40e8:10:11:89:236:117:141 |
A | mx2.tnnet.fi | 5m | 89.236.117.153 |
AAAA | mx2.tnnet.fi | 5m | 2001:40e8:10:11:89:236:117:153 |
A | mx3.tnnet.fi | 5m | 89.236.117.154 |
AAAA | mx3.tnnet.fi | 5m | 2001:40e8:10:11:89:236:117:154 |
CNAME | news.tnnet.fi | 5m | uutiset.elisa.fi. |
A | ns1.tnnet.fi | 1h | 217.112.240.21 |
AAAA | ns1.tnnet.fi | 1h | 2001:40e8:0:10::11 |
A | ns2.tnnet.fi | 1h | 89.236.110.2 |
AAAA | ns2.tnnet.fi | 1h | 2001:40e8:10:12:89:236:110:2 |
A | ns5.tnnet.fi | 1h | 89.236.117.143 |
AAAA | ns5.tnnet.fi | 1h | 2001:40e8:10:11:89:236:117:143 |
A | ns6.tnnet.fi | 1h | 89.236.110.4 |
AAAA | ns6.tnnet.fi | 1h | 2001:40e8:0:12:89:236:110:4 |
A | ntp.tnnet.fi | 5m | 217.112.240.26 |
CNAME | pop3.tnnet.fi | 5m | imap.tnnet.fi. |
A | smtp.tnnet.fi | 5m | 89.236.117.198 |
AAAA | smtp.tnnet.fi | 5m | 2001:40e8:10:11:89:236:117:198 |
CNAME | webmail.tnnet.fi | 5m | mail.tnnet.fi. |
A | wiki.tnnet.fi | 5m | 217.112.240.115 |
CNAME | www.tnnet.fi | 1h | tnnet.fi. |

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.
- 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.
- Single MX record but with multiple IPs associated to it.
- The MX record for "tnnet.fi" has a long TTL (1h+).
- 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.
- 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.