ustrong.su - robtex.com
ustrong.su
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.ustrong.ru ⚠️ Not in zone NS records | ||||||
| A | 185.246.65.216🇷🇺 RU-JSCIOT185.246.64.0/23 | ||||||
| PTR | admin181.fvds.ru | ||||||
| NS | ns2.ustrong.ru ⚠️ Not in zone NS records | ||||||
| A | 62.109.0.135🇷🇺 RU-JSCIOT62.109.0.0/21 | ||||||
| PTR | admin181.fvds.ru | ||||||
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=650209903 | ||||||
Same first word
Similar names
DNS History
7 records (2 active, 5 former)
○NSns1.u-dns.ru2015-05-29 → 2020-01-05 · 4 obs
● 2020-01-05 03:32:42
○ 2026-03-04 06:02:48
○ 2026-07-20 10:19:32
●NSns1.ustrong.ru2026-03-04 → 2026-07-20 · 3 obs
● 2026-03-04 06:02:48
● 2026-07-20 10:19:32
○NSns2.u-dns.ru2015-05-29 → 2020-01-05 · 4 obs
● 2020-01-05 03:32:42
○ 2026-03-04 06:02:48
○ 2026-07-20 10:19:32
●NSns2.ustrong.ru2026-03-04 → 2026-07-20 · 3 obs
● 2026-03-04 06:02:48
● 2026-07-20 10:19:32
○MXmail.ustrong.su2015-05-29 → 2020-01-05 · 4 obs
● 2020-01-05 03:32:42
○ 2026-03-04 06:02:48
○ 2026-07-20 10:19:32
○A185.60.135.2252020-01-05 → 2020-01-05 · 4 obs
● 2020-01-05 03:32:42
○ 2026-03-04 06:02:48
○ 2026-07-20 10:19:32
○A62.109.10.102015-05-29 → 2017-02-17 · 4 obs
● 2017-02-17 16:19:52
○ 2020-01-05 03:32:42
○ 2026-07-20 10:19:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | e.dns.ripn.net, f.dns.ripn.net, d.dns.ripn.net, b.dns.ripn.net... | 10 records |
| ustrong.su | ns1.ustrong.ru, ns2.ustrong.ru | - |
✅ Authoritative Response
Server:62.109.0.135
NS records: ns1.ustrong.ru, ns2.ustrong.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ustrong.su (unsigned zone)
⏱️ Timing
Total: 2746ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (f.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net...)
Analysis
Name Servers
ustrong.su is served by two delegated name servers, ns1.ustrong.ru and ns2.ustrong.ru.
The domains ustrong.biz, ustrong.org, ustrong.pro and u-strong.ru share a common name server delegation with ustrong.su.
ustrong.su has a partial name server overlap with other domains — among them ustrong.asia and ustrong.ru.
It is common to see these name servers used together with name servers ns1.firstvds.ru and ns2.firstvds.ru.
ns1.ustrong.ru directs to 185.246.65.216 and ns2.ustrong.ru directs to 62.109.0.135; each host name points to exactly one IP number.