mathematica5.ru - robtex.com
mathematica5.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 54.185.169.30🇺🇸 Amazon | ||||||
| PTR | ec2-54-185-169-30.us-west-2.compute.amazonaws.com | ||||||
| NS | hosting.reg.ru ⭐ | ||||||
| A | 2a00:f940:4::2🇷🇺 AS-REGRU | ||||||
| A | 194.67.72.31🇷🇺 AS-REGRU | ||||||
| NS | ns5.hosting.reg.ru ⚠️ Not in zone NS records | ||||||
| A | 31.31.194.32🇷🇺 AS-REGRU | ||||||
| PTR | ns5.hosting.reg.ru | ||||||
| NS | ns6.hosting.reg.ru ⚠️ Not in zone NS records | ||||||
| A | 31.31.196.15🇷🇺 AS-REGRU | ||||||
| PTR | ns6.hosting.reg.ru | ||||||
| TXT | v=spf1 ip4:141.8.199.60 ip4:185.185.70.161 ip4:185.185.69.32 -all | ||||||
| SOA | hosting.reg.ruinfo@mathematica5.ru 2025-09-11 #6 | ||||||
ru
| DNSSEC | ⚠️ Not signed | ||||||
| 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=4067830 | ||||||
Previously MX for
mathematica5.ru |
Same first word
mathematica5.ru |
DNS History
8 records (4 active, 4 former)
●NShosting.reg.ru2026-02-18 → 2026-02-21 · 3 obs
● 2026-02-18 13:05:40
● 2026-02-21 09:42:08
○NSns1.multihost.ru2015-07-20 → 2017-02-12 · 4 obs
● 2017-02-12 17:24:48
○ 2026-02-18 13:05:40
○ 2026-02-21 09:42:08
○NSns2.multihost.ru2015-07-20 → 2017-02-12 · 4 obs
● 2017-02-12 17:24:48
○ 2026-02-18 13:05:40
○ 2026-02-21 09:42:08
●NSns5.hosting.reg.ru2026-02-18 → 2026-02-21 · 3 obs
● 2026-02-18 13:05:40
● 2026-02-21 09:42:08
●NSns6.hosting.reg.ru2026-02-18 → 2026-02-21 · 3 obs
● 2026-02-18 13:05:40
● 2026-02-21 09:42:08
○MXmathematica5.ru2015-07-20 → 2017-02-12 · 4 obs
● 2017-02-12 17:24:48
○ 2026-02-18 13:05:40
○ 2026-02-21 09:42:08
○A185.42.12.122015-07-20 → 2017-02-12 · 4 obs
● 2017-02-12 17:24:48
○ 2026-02-18 13:05:40
○ 2026-02-21 09:42:08
●A54.185.169.302026-02-18 → 2026-02-21 · 3 obs
● 2026-02-18 13:05:40
● 2026-02-21 09:42:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| mathematica5.ru | ns6.hosting.reg.ru, ns5.hosting.reg.ru | - |
✅ Authoritative Response
Server: 31.31.194.32
NS records: ns6.hosting.reg.ru, ns5.hosting.reg.ru
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at ru: Error: DNS query timeout: 193.232.128.6 for DNSKEY ru
⏱️ Timing
Total: 3998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| TXT | 1 | v=spf1 ip4:141.8.199.60 ip4:185.185.70.1 |
| SOA | 1 | hosting.reg.ru info.mathematica5.ru |
AI analysis
mathematica5.ru resolves to one IP number: 54.185.169.30.
other host names including cs-b.ru, intercities.com, mail.organicpeople.ru, 2v2.ru and oktoo.ru share IP numbers with mathematica5.ru.
mathematica5.ru is delegated to three name servers hosting.reg.ru, ns5.hosting.reg.ru and ns6.hosting.reg.ru.
mathematica5.ru at least partially shares name servers with other domains, for instance xn----7sbebpmvdmtfbbojpegho1d1g.xn--p1ai, mooml.ru, gameguidesbook.ru, leprf.ru and kitru.ru.
These name servers are commonly used with dnsadmin.hosting.reg.ru, ns1.hosting.reg.ru, ns2.hosting.reg.ru, ns1.example.com and ns2.example.com.
Host names with two IPs:
hosting.reg.ru points to: 2a00:f940:4::2 and 194.67.72.31.
Host names with one IP:
ns5.hosting.reg.ru points to: 31.31.194.32.
ns6.hosting.reg.ru points to: 31.31.196.15.