isc.tsu.ru - robtex.com
isc.tsu.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 92.63.71.187🇷🇺 UNSPECIFIED92.63.64.0/20 Tomsk State University | ||||||
| PTR | isc.tsu.ru | ||||||
| MX | mx1.tsu.ru ⭐ | ||||||
| A | 92.63.64.158🇷🇺 UNSPECIFIED92.63.64.0/20 Tomsk State University | ||||||
| PTR | mx1.tsu.ru | ||||||
| MX | isc.tsu.ru(10) | ||||||
| A | 92.63.71.187🇷🇺 UNSPECIFIED92.63.64.0/20 Tomsk State University | ||||||
| PTR | isc.tsu.ru | ||||||
tsu.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.215.43.223🇷🇺 DDOS-GUARD91.215.43.0/24 LTD | ||||||
| NS | ns1.tsu.ru ⭐ | ||||||
| NS | ns2.tsu.ru | ||||||
| MX | mx1.tsu.ru ⭐ | ||||||
| TXT | _globalsign-domain-verification=wQLP5m7MWGr3voonrHRi8HP-Ew8ZTf_S8cW0dds9ET | ||||||
| TXT | v=spf1 ip4:92.63.64.239/32 ip4:92.63.64.162/32 ip4:92.63.64.158/32 ip6:2a01:2... | ||||||
| SOA | ns1.tsu.ruhostmaster@tsu.ru 2026-04-24 #1 | ||||||
rank #10930 globally
rank #168 in the tld
WOT: SAFE (90/100)
📈 Tranco rank: #18,839
PTR for
MX for
isc.tsu.ru |
Subdomains
Same first word
Similar names
DNS History
5 records (3 active, 2 former)
●MXisc.tsu.ru2008-02-20 → 2026-04-26 · 2 obs
● 2026-04-26 14:58:10
○MXmx.tsu.ru2008-02-20 → 2008-02-20 · 3 obs
○ 2015-08-25 19:56:20
○ 2026-04-26 14:58:10
●MXmx1.tsu.ru2015-08-25 → 2026-04-26 · 3 obs
● 2015-08-25 19:56:20
● 2026-04-26 14:58:10
○A212.192.98.1632008-02-20 → 2008-02-20 · 3 obs
○ 2015-08-25 19:56:20
○ 2026-04-26 14:58:10
●A92.63.71.1872015-08-25 → 2026-04-26 · 3 obs
● 2015-08-25 19:56:20
● 2026-04-26 14:58:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| tsu.ru | ns1.tsu.ru, ns2.tsu.ru | 3 records |
✅ Authoritative Response
Server:92.63.64.4
NS records: ns1.tsu.ru, ns2.tsu.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tsu.ru (unsigned zone)
⏱️ Timing
Total: 713ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 92.63.71.187 |
| MX | 2 | mx1.tsu.ru (pri: 5), isc.tsu.ru (pri: 10) |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (ns1.tsu.ru, ns2.tsu.ru, ns1.tsu.ru)
Analysis
Hierarchy
isc.tsu.ru is a parent of ca.isc.tsu.ru and fw.isc.tsu.ru.
Mail Server Role
For isc.tsu.ru, the mail server is isc.tsu.ru.
mx1.tsu.ru is a mail server commonly used with isc.tsu.ru.
IP Addresses
isc.tsu.ru resolves to one IP number: 92.63.71.187.
Other host names, for instance sibears.ru, share IP numbers with isc.tsu.ru.
Mail Servers
isc.tsu.ru is handled by two mail servers: isc.tsu.ru and mx1.tsu.ru.
isc.tsu.ru shares some mail servers with other domains, at least partially, for instance fsf.tsu.ru, hosting.tsu.ru, noc.tsu.ru, it.tsu.ru and fld.tsu.ru.
These mail servers are often used together with mx2.tsu.ru, public.tsu.ru, rff-gate.tsu.ru, mail.tsu.ru, polygon.tsu.ru, iph.tsu.ru, mail.ggf.tsu.ru, ams-alfa.ams.tsu.ru and kitidis.tsu.ru.
Host names with one IP number:
isc.tsu.ru points to 92.63.71.187
mx1.tsu.ru points to 92.63.64.158