stdev.su - robtex.com
stdev.su
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.timeweb.ru ⭐ | ||||||
| A | 2a03:6f04:dead:bee::1🇷🇺 TimeWeb-AS2a03:6f00::/29 | ||||||
| A | 85.193.93.93🇵🇱 TimeWeb-AS85.193.93.0/24 | ||||||
| PTR | ns1.timeweb.ru | ||||||
| NS | ns2.timeweb.ru | ||||||
| A | 2a03:6f04:dead:bee::2🇷🇺 TimeWeb-AS2a03:6f00::/29 | ||||||
| A | 85.193.93.85🇵🇱 TimeWeb-AS85.193.93.0/24 | ||||||
| PTR | ns2.timeweb.ru | ||||||
| NS | ns3.timeweb.org | ||||||
| A | 2a03:6f07:4::2🇷🇺 TimeWeb-AS2a03:6f00::/29 | ||||||
| A | 217.78.234.130🇷🇺 TimeWeb-AS217.78.234.0/24 | ||||||
| NS | ns4.timeweb.org | ||||||
| A | 2a00:65e0:6:5:232a::2🇷🇺 RETNRU-SPB-AS2a00:65e0::/32 CJSC "RetnNet" | ||||||
| A | 139.45.249.139🇷🇺 RETNRU-SPB-AS139.45.248.0/21 RETN-SPB | ||||||
| PTR | gw-139.45.249.139-rt1.km.spb.retn.ru | ||||||
| MX | mail.stdev.su ⭐ | ||||||
| A | 91.199.149.151🇷🇺 ADMAN-AS91.199.149.0/24 ADMAN-NET | ||||||
| PTR | hosting.adman.cloud | ||||||
| TXT | v=spf1 ip4:185.135.83.159 ip4:91.199.149.151 a mx ~all | ||||||
| TXT | fk-verify=0440f4e055c37b4f3bc094db4587a022 | ||||||
| SOA | ns1.timeweb.rudns@timeweb.ru serial=496 | ||||||
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=650209949 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.timeweb.ru2026-03-28 → 2026-07-24 · 2 obs
● 2026-07-24 05:17:36
●NSns2.timeweb.ru2026-03-28 → 2026-07-24 · 2 obs
● 2026-07-24 05:17:36
●NSns3.timeweb.org2026-03-28 → 2026-07-24 · 2 obs
● 2026-07-24 05:17:36
●NSns4.timeweb.org2026-03-28 → 2026-07-24 · 2 obs
● 2026-07-24 05:17:36
●MXmail.stdev.su2026-03-28 → 2026-07-24 · 2 obs
● 2026-07-24 05:17:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| stdev.su | ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org | - |
✅ Authoritative Response
Server:139.45.249.139
NS records: ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for stdev.su (unsigned zone)
⏱️ Timing
Total: 2431ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns1.timeweb.ru, ns4.timeweb.org... |
| MX | 1 | mail.stdev.su (pri: 10) |
| TXT | 2 | fk-verify=0440f4e055c37b4f3bc094db4587a0, v=spf1 ip4:185.135.83.159 ip4:91.199.149 |
| SOA | 1 | ns1.timeweb.ru dns.timeweb.ru |
Analysis
Hierarchy
s01.stdev.su and mail.stdev.su are both subdomains of stdev.su.
Name Servers
The authoritative name servers for stdev.su are ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.
stdev.su partially shares its NS delegation with several other domains, including etopolyubvi.ru, woodred.ru, 820423-respublik0.tmweb.ru and two others.
ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru each carry two IP addresses. ns3.timeweb.org has 217.78.234.130 and 2a03:6f07:4::2; ns4.timeweb.org has 139.45.249.139 and 2a00:65e0:6:5:232a::2; ns1.timeweb.ru has 85.193.93.93 and 2a03:6f04:dead:bee::1; ns2.timeweb.ru has 85.193.93.85 and 2a03:6f04:dead:bee::2.
Mail Servers
Mail for stdev.su is handled by a single mail server, mail.stdev.su.
mail.stdev.su resolves to 91.199.149.151 and no other IP number.