math.tsu.ru - robtex.com
math.tsu.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 92.63.65.90🇷🇺 UNSPECIFIED92.63.64.0/20 Tomsk State University | ||||||
| PTR | math.tsu.ru | ||||||
| NS | ns1.math.tsu.ru ⭐ ⚠️ Not in parent delegation | ||||||
| A | 92.63.65.90🇷🇺 UNSPECIFIED92.63.64.0/20 Tomsk State University | ||||||
| PTR | math.tsu.ru | ||||||
| NS | ns1.tsu.ru ⚠️ Not in parent delegation | ||||||
| A | 92.63.64.4🇷🇺 UNSPECIFIED92.63.64.0/20 Tomsk State University | ||||||
| PTR | ns1.tsu.ru | ||||||
| NS | ns2.tsu.ru ⚠️ Not in parent delegation | ||||||
| A | 92.63.76.133🇷🇺 UNSPECIFIED92.63.64.0/20 Tomsk State University | ||||||
| PTR | ns2.tsu.ru | ||||||
| MX | mx1.math.tsu.ru ⭐ | ||||||
| A | 92.63.65.90🇷🇺 UNSPECIFIED92.63.64.0/20 Tomsk State University | ||||||
| PTR | math.tsu.ru | ||||||
| TXT | yandex-verification: 4a5ff299c2464443 | ||||||
| TXT | yandex-verification: b50e4a369ff14128 | ||||||
| TXT | v=DMARC1; p=none; rua=mailto:postmaster@math.tsu.ru | ||||||
| TXT | google-site-verification=tc9nHBB2FI9r0p1ti-efI0WZjyVGt_o_y5ykiWmtShQ | ||||||
| TXT | v=spf1 +a +mx +ip4:92.63.65.90 +ip4:92.63.72.33 +ip4:92.63.65.94 +ip4:82.200.... | ||||||
| SOA | ns1.math.tsu.ruroot@math.tsu.ru 2026-02-25 #1 | ||||||
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 | v=spf1 ip4:92.63.64.239/32 ip4:92.63.64.162/32 ip4:92.63.64.158/32 ip6:2a01:2... | ||||||
| TXT | _globalsign-domain-verification=wQLP5m7MWGr3voonrHRi8HP-Ew8ZTf_S8cW0dds9ET | ||||||
| SOA | ns1.tsu.ruhostmaster@tsu.ru 2026-04-24 #1 | ||||||
rank #10894 globally
rank #168 in the tld
WOT: SAFE (90/100)
📈 Tranco rank: #18,846
PTR for
Subdomains
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
○NSns1.galaxy.tomsk.ru2007-08-14 → 2007-08-14 · 3 obs
○ 2015-08-31 16:23:24
○ 2026-04-25 09:30:48
●NSns1.math.tsu.ru2007-08-14 → 2026-04-25 · 2 obs
● 2026-04-25 09:30:48
●NSns1.tsu.ru2015-08-31 → 2026-04-25 · 3 obs
● 2015-08-31 16:23:24
● 2026-04-25 09:30:48
○NSns2.galaxy.tomsk.ru2007-08-14 → 2007-08-14 · 3 obs
○ 2015-08-31 16:23:24
○ 2026-04-25 09:30:48
●NSns2.tsu.ru2015-08-31 → 2026-04-25 · 3 obs
● 2015-08-31 16:23:24
● 2026-04-25 09:30:48
○MXmx.tsu.ru2007-08-14 → 2007-08-14 · 3 obs
○ 2015-08-31 16:23:24
○ 2026-04-25 09:30:48
●MXmx1.math.tsu.ru2007-08-14 → 2026-04-25 · 2 obs
● 2026-04-25 09:30:48
○A212.192.100.232007-08-14 → 2007-08-14 · 3 obs
○ 2015-08-31 16:23:24
○ 2026-04-25 09:30:48
●A92.63.65.902015-08-31 → 2026-04-25 · 3 obs
● 2015-08-31 16:23:24
● 2026-04-25 09:30:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net, b.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: 754ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 92.63.65.90 |
| NS | 3 | ns1.tsu.ru, ns1.math.tsu.ru... |
| MX | 1 | mx1.math.tsu.ru (pri: 10) |
| TXT | 5 | yandex-verification: 4a5ff299c2464443, yandex-verification: b50e4a369ff14128... |
| SOA | 1 | ns1.math.tsu.ru root.math.tsu.ru |
📌 Glue Records Collected
Total: 3
In-bailiwick: 3 (ns1.tsu.ru, ns2.tsu.ru, ns1.tsu.ru)
Analysis
Hierarchy
math.tsu.ru is parent of ns2.math.tsu.ru, ns1.math.tsu.ru, mx1.math.tsu.ru, ssspc.math.tsu.ru and www.math.tsu.ru.
IP Addresses
math.tsu.ru maps to IP address 92.63.65.90.
Other host names, for example ns1.math.tsu.ru, mx1.math.tsu.ru and ssspc.math.tsu.ru share the same IP as math.tsu.ru.
Name Servers
math.tsu.ru is delegated to name servers ns1.tsu.ru, ns2.tsu.ru and ns1.math.tsu.ru.
math.tsu.ru at least partially shares name servers with other domains such as 72.63.92.in-addr.arpa, illa.tsu.ru, 68.63.92.in-addr.arpa, 66.63.92.in-addr.arpa and ggf.tsu.ru.
These name servers are often used together with ns.lib.tsu.ru, green.tsu.ru, ns1.illa.tsu.ru, ns.ggf.tsu.ru, ido.tsu.ru, ns.ido.tsu.ru, ns1.pngn.ru, ns.rff.tsu.ru and ns1.ftf.tsu.ru.
Host names with a single IP:
ns1.tsu.ru points to 92.63.64.4
ns2.tsu.ru points to 92.63.76.133
ns1.math.tsu.ru points to 92.63.65.90
Mail Servers
math.tsu.ru is handled by a single mail server, mx1.math.tsu.ru.
mx1.math.tsu.ru points to one IP number: 92.63.65.90.