tessera.su - robtex.com
tessera.su
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650208459 | ||||||
Subdomains
mail.tessera.su |
Same first word
Similar names
DNS History
6 records (3 active, 3 former)
○NSdns0.zenon.net2015-08-11 → 2015-12-01 · 4 obs
● 2015-12-01 08:12:48
○ 2017-04-05 02:25:04
○ 2026-03-23 11:16:28
○NSdns1.zenon.net2015-08-11 → 2015-12-01 · 4 obs
● 2015-12-01 08:12:48
○ 2017-04-05 02:25:04
○ 2026-03-23 11:16:28
○NSdns2.zenon.net2015-08-11 → 2015-12-01 · 4 obs
● 2015-12-01 08:12:48
○ 2017-04-05 02:25:04
○ 2026-03-23 11:16:28
●NSfred.ns.cloudflare.com2026-03-18 → 2026-03-23 · 3 obs
● 2026-03-18 05:48:52
● 2026-03-23 11:16:28
●NSsloan.ns.cloudflare.com2026-03-18 → 2026-03-23 · 3 obs
● 2026-03-18 05:48:52
● 2026-03-23 11:16:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| tessera.su | sloan.ns.cloudflare.com, fred.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.52
NS records: sloan.ns.cloudflare.com, fred.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tessera.su (unsigned zone)
⏱️ Timing
Total: 697ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | fred.ns.cloudflare.com, sloan.ns.cloudflare.com |
| MX | 1 | mx.nkpe.ru (pri: 10) |
| TXT | 2 | 267e0c7b-2f9f-4d43-8739-ddeb6f61d1ec, v=spf1 mx include:spf.mail.selcloud.ru i |
| SOA | 1 | fred.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
tessera.su is a parent of mail.tessera.su.
Name Servers
Delegation for tessera.su rests with two name servers, fred.ns.cloudflare.com and sloan.ns.cloudflare.com.
The name server setup used by tessera.su is shared with other domains such as denmarktech.edu and deltalabzbv.com and chinamario.ru.
tessera.su at least partially shares name servers with other domains, for instance diabetesselfcaring.com, nutressa.com, 365ecco365.com, jadiejophotography.com and petpalhome.com.
These name servers are commonly used alongside cris.ns.cloudflare.com, alaric.ns.cloudflare.com, zelda.ns.cloudflare.com and dina.ns.cloudflare.com.
Host names with six IP numbers: fred.ns.cloudflare.com points to: 2606:4700:58::adf5:3b71, 2803:f800:50::6ca2:c171, 2a06:98c1:50::ac40:2171, 108.162.193.113, 172.64.33.113 and 173.245.59.113. sloan.ns.cloudflare.com points to: 2606:4700:50::a29f:2634, 2803:f800:50::6ca2:c234, 2a06:98c1:50::ac40:2234, 108.162.194.52, 162.159.38.52 and 172.64.34.52.
Mail Servers
tessera.su is handled by a single mail server, mx.nkpe.ru.
mx.nkpe.ru resolves to two IP numbers: 2a06:f900:1:100::192 and 185.246.154.203.