cert-ex.ru - robtex.com
cert-ex.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 77.232.138.62🇷🇺 TimeWeb-AS77.232.138.0/24 | ||||||
| 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 | emx.mail.ru ⭐ | ||||||
| A | 94.100.180.180🇷🇺 VK-AS94.100.176.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| A | 217.69.139.180🇷🇺 VK-AS217.69.128.0/20 Moscow region | ||||||
| PTR | emx.mail.ru | ||||||
| TXT | v=spf1 redirect=_spf.mail.ru | ||||||
| SOA | ns1.timeweb.rudns@timeweb.ru serial=11 | ||||||
ru
| 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=4068301 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.timeweb.ru2026-03-05 → 2026-03-28 · 2 obs
● 2026-03-28 02:02:02
●NSns2.timeweb.ru2026-03-05 → 2026-03-28 · 2 obs
● 2026-03-28 02:02:02
●NSns3.timeweb.org2026-03-05 → 2026-03-28 · 2 obs
● 2026-03-28 02:02:02
●NSns4.timeweb.org2026-03-05 → 2026-03-28 · 2 obs
● 2026-03-28 02:02:02
●A77.232.138.622026-03-05 → 2026-03-28 · 2 obs
● 2026-03-28 02:02:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| cert-ex.ru | ns1.timeweb.ru, ns2.timeweb.ru, ns3.timeweb.org, ns4.timeweb.org | 2 records |
✅ 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 cert-ex.ru (unsigned zone)
⏱️ Timing
Total: 926ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 77.232.138.62 |
| NS | 4 | ns2.timeweb.ru, ns1.timeweb.ru... |
| MX | 1 | emx.mail.ru (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.mail.ru |
| SOA | 1 | ns1.timeweb.ru dns.timeweb.ru |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.timeweb.ru, ns2.timeweb.ru)
Analysis
IP Addresses
cert-ex.ru resolves to one IP number: 77.232.138.62.
Name Servers
cert-ex.ru delegates to four name servers: ns3.timeweb.org, ns4.timeweb.org, ns1.timeweb.ru and ns2.timeweb.ru.
cert-ex.ru at least partially shares name servers with other domains, including autoservis-samara.ru, e.b.5.7.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.0.0.0.0.0.f.6.3.0.a.2.ip6.arpa, sib-hotel.ru, rosma.ru and 1118841-cu36954.tw1.ru.
Host names with two IP numbers: ns3.timeweb.org points to 2a03:6f07:4::2 and 217.78.234.130; ns4.timeweb.org points to 2a00:65e0:6:5:232a::2 and 139.45.249.139; ns1.timeweb.ru points to 2a03:6f04:dead:bee::1 and 85.193.93.93; ns2.timeweb.ru points to 2a03:6f04:dead:bee::2 and 85.193.93.85.
Mail Servers
A single mail server handles cert-ex.ru, emx.mail.ru.
cert-ex.ru shares the same mail server setup as other domains, for instance fire-not.ru, radmi.ru, securityrussia.com, td-piramida.ru and minebars.ru.
cert-ex.ru shares at least some mail servers with other domains, for instance oipp.ru, lnmo.ru and magnum74.com.
The host name emx.mail.ru resolves to two IP numbers: 94.100.180.180 and 217.69.139.180.