jwt.su - dns.ninja
jwt.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 109.123.155.169🇷🇺 AS5567109.123.128.0/18 Tomsk Polytechnic University | ||||||
| PTR | izvestiya.main.tpu.ru | ||||||
| NS | ns2.tpu.ru ⭐ | ||||||
| A | 109.123.144.50🇷🇺 AS5567109.123.128.0/18 Tomsk Polytechnic University | ||||||
| NS | ns.tpu.ru | ||||||
| A | 109.123.152.2🇷🇺 AS5567109.123.128.0/18 Tomsk Polytechnic University | ||||||
| PTR | ns.tpu.ru | ||||||
| MX | relay.tpu.ru ⭐ | ||||||
| A | 109.123.155.82🇷🇺 AS5567109.123.128.0/18 Tomsk Polytechnic University | ||||||
| PTR | mx1.tpu.ru | ||||||
| MX | relay2.tpu.ru ⭐ | ||||||
| A | 109.123.155.82🇷🇺 AS5567109.123.128.0/18 Tomsk Polytechnic University | ||||||
| PTR | mx1.tpu.ru | ||||||
| TXT | google-site-verification=rCsOPCLUuMzHmvceZsDFFBOzNwkV-OlZ4Uc0tpdq5Jk | ||||||
| SOA | ns.tpu.ruhostmaster@tpu.ru 2019-05-05 #1 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650210143 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●A109.123.155.1692019-12-20 → 2026-08-09 · 2 obs
● 2026-08-09 09:53:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net... | 12 records |
| jwt.su | ns.tpu.ru, ns2.tpu.ru | - |
✅ Authoritative Response
Server:109.123.152.2
NS records: ns.tpu.ru, ns2.tpu.ru
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at su: Error: DNS query timeout: 193.232.156.17 for DNSKEY su
⏱️ Timing
Total: 4114ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 109.123.155.169 |
| NS | 2 | ns.tpu.ru, ns2.tpu.ru |
| MX | 2 | relay.tpu.ru (pri: 10), relay2.tpu.ru (pri: 10) |
| TXT | 1 | google-site-verification=rCsOPCLUuMzHmvc |
| SOA | 1 | ns.tpu.ru hostmaster.tpu.ru |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
IP Addresses
jwt.su has exactly one IP address — 109.123.155.169.
ojs.main.tpu.ru and izvestiya.main.tpu.ru are among other host names that share IP numbers with jwt.su.
Name Servers
jwt.su is served by two delegated name servers, ns2.tpu.ru and ns.tpu.ru.
jwt.su uses the same name servers as lib.tpu.ru, tpu.ru, account.tpu.ru and aeer.ru, among others.
The name servers of jwt.su overlap at least partially with those of other domains — among them 155.123.109.in-addr.arpa, chtd.tpu.ru, 153.123.109.in-addr.arpa and two more.
These name servers commonly appear in delegations together with dc1.main.tpu.ru, dc2.main.tpu.ru, ns1.cc.tpu.ru and 5 other.
Both ns2.tpu.ru and ns.tpu.ru have a single IP address each — ns2.tpu.ru resolves to 109.123.144.50 while ns.tpu.ru resolves to 109.123.152.2.
Mail Servers
jwt.su uses two mail servers, relay2.tpu.ru and relay.tpu.ru.
The MX records for jwt.su match those of other domains — including spicyn.ru and main.tpu.ru.
The mail servers for jwt.su overlap at least partially with those of other domains, including tpu.ru and aeer.ru.
The mail servers mx1.tpu.ru and relay1.tpu.ru are commonly paired with these mail servers.
relay2.tpu.ru and relay.tpu.ru share one IP address between them — 109.123.155.82.
These two host names — relay2.tpu.ru and relay.tpu.ru — each point to 109.123.155.82 IP addresses.