software.su - robtex.com
software.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.190.81.2🇷🇺 SMART-AS91.190.80.0/21 Former Start Telecom SPB network and customere | ||||||
| PTR | stoun-kgvar.cust.smartspb.net | ||||||
| NS | a.ns.selectel.ru ⭐ | ||||||
| A | 2a00:ab00:800::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.1🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | a.ns.selectel.ru | ||||||
| NS | b.ns.selectel.ru | ||||||
| A | 2a00:ab00:801::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.2🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | b.ns.selectel.ru | ||||||
| NS | c.ns.selectel.ru | ||||||
| A | 2a00:ab00:802::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 188.68.203.3🇷🇺 SELECTEL188.68.203.0/24 Selectel Route Object | ||||||
| PTR | c.ns.selectel.ru | ||||||
| NS | d.ns.selectel.ru | ||||||
| A | 2a00:ab00:803::2:53🇷🇺 SELECTEL2a00:ab00::/32 Selectel IPv6 | ||||||
| A | 77.223.114.4🇷🇺 SELECTEL77.223.114.0/24 Selectel Route Object | ||||||
| PTR | d.ns.selectel.ru | ||||||
| MX | eyetronic.spb.ru ⭐ | ||||||
| SOA | a.ns.selectel.rusupport@selectel.ru 2026-04-21 #4 | ||||||
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=650209040 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSa.ns.selectel.ru2026-04-21 → 2026-05-09 · 3 obs
● 2026-04-21 16:46:48
● 2026-05-09 20:12:30
●NSb.ns.selectel.ru2026-04-21 → 2026-05-09 · 3 obs
● 2026-04-21 16:46:48
● 2026-05-09 20:12:30
●NSc.ns.selectel.ru2026-04-21 → 2026-05-09 · 3 obs
● 2026-04-21 16:46:48
● 2026-05-09 20:12:30
●NSd.ns.selectel.ru2026-04-21 → 2026-05-09 · 3 obs
● 2026-04-21 16:46:48
● 2026-05-09 20:12:30
○NSns0.eyetronic.net2015-08-30 → 2026-04-19 · 4 obs
● 2026-04-19 05:09:40
○ 2026-04-21 16:46:48
○ 2026-05-09 20:12:30
○NSns1.eyetronic.net2015-08-30 → 2026-04-19 · 4 obs
● 2026-04-19 05:09:40
○ 2026-04-21 16:46:48
○ 2026-05-09 20:12:30
●MXeyetronic.spb.ru2015-08-30 → 2026-05-09 · 2 obs
● 2026-05-09 20:12:30
●A91.190.81.22015-08-30 → 2026-05-09 · 2 obs
● 2026-05-09 20:12:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| software.su | a.ns.selectel.ru, d.ns.selectel.ru, c.ns.selectel.ru, b.ns.selectel.ru | - |
✅ Authoritative Response
Server:188.68.203.1
NS records: a.ns.selectel.ru, d.ns.selectel.ru, c.ns.selectel.ru, b.ns.selectel.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for software.su (unsigned zone)
⏱️ Timing
Total: 1210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.190.81.2 |
| NS | 4 | c.ns.selectel.ru, a.ns.selectel.ru... |
| MX | 1 | eyetronic.spb.ru (pri: 10) |
| SOA | 1 | a.ns.selectel.ru support.selectel.ru |
Analysis
IP Addresses
software.su points to a single IP number: 91.190.81.2.
Other host names, for instance poselki.biz, spbestate.su, zagorod.biz, alco.su and medik.su share IP numbers with software.su.
Name Servers
software.su is delegated to four name servers: a.ns.selectel.ru, b.ns.selectel.ru, c.ns.selectel.ru and d.ns.selectel.ru.
software.su shares name servers with other domains at least partially, for instance aaaeee.ru, jsk2.ru, xn--74-6kcqehzia2auy.xn--p1ai, smolschool.ru and proshoper.ru.
These name servers are commonly used with ns3-l2.nic.ru, ns4-l2.nic.ru, ns1.baz-on.ru and ns2.baz-on.ru.
Host names with two IP numbers:
a.ns.selectel.ru resolves to 2a00:ab00:800::2:53 and 188.68.203.1.
b.ns.selectel.ru resolves to 2a00:ab00:801::2:53 and 77.223.114.2.
c.ns.selectel.ru resolves to 2a00:ab00:802::2:53 and 188.68.203.3.
d.ns.selectel.ru resolves to 2a00:ab00:803::2:53 and 77.223.114.4.
Mail Servers
The mail server for software.su is eyetronic.spb.ru.