mobile4b.ru - robtex.com
mobile4b.ru
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns1.yandex.net ⭐ | ||||||
| A | 2a02:6b8::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| A | 213.180.204.213🇷🇺 TELETECH213.180.192.0/19 Yandex network | ||||||
| PTR | dns1.yandex.net | ||||||
| NS | dns2.yandex.net | ||||||
| A | 2a02:6b8:0:1::213🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | dns2.yandex.net | ||||||
| A | 93.158.134.213🇷🇺 TELETECH93.158.128.0/18 Yandex enterprise network | ||||||
| PTR | dns2.yandex.net | ||||||
| MX | mx.yandex.net ⭐ | ||||||
| A | 2a02:6b8::311🇷🇺 TELETECH2a02:6b8::/32 Yandex network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| A | 77.88.21.249🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network | ||||||
| PTR | mxfront.stable.qloud-b.yandex.net | ||||||
| TXT | v=spf1 redirect=_spf.yandex.net | ||||||
| SOA | dns1.yandex.netdns-hosting@yandex.ru serial=8 | ||||||
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=4068373 | ||||||
Same first word
mobile4b.ru |
DNS History
8 records (3 active, 5 former)
●NSdns1.yandex.net2026-04-03 → 2026-04-03 · 2 obs
● 2026-04-03 02:43:30
●NSdns2.yandex.net2026-04-03 → 2026-04-03 · 2 obs
● 2026-04-03 02:43:30
○NSns.masterhost.ru2015-06-05 → 2015-06-05 · 3 obs
○ 2015-10-22 17:37:24
○ 2026-04-03 02:43:30
○NSns1.masterhost.ru2015-06-05 → 2015-06-05 · 3 obs
○ 2015-10-22 17:37:24
○ 2026-04-03 02:43:30
○NSns2.masterhost.ru2015-06-05 → 2015-06-05 · 3 obs
○ 2015-10-22 17:37:24
○ 2026-04-03 02:43:30
●MXmx.yandex.net2026-04-03 → 2026-04-03 · 2 obs
● 2026-04-03 02:43:30
○MXmx1.masterhost.ru2015-06-05 → 2015-06-05 · 3 obs
○ 2015-10-22 17:37:24
○ 2026-04-03 02:43:30
○A87.242.71.2052015-06-05 → 2015-06-05 · 3 obs
○ 2015-10-22 17:37:24
○ 2026-04-03 02:43:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | d.dns.ripn.net, f.dns.ripn.net, e.dns.ripn.net, b.dns.ripn.net... | - |
| mobile4b.ru | dns1.yandex.net, dns2.yandex.net | - |
✅ Authoritative Response
Server:93.158.134.213
NS records: dns1.yandex.net, dns2.yandex.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mobile4b.ru (unsigned zone)
⏱️ Timing
Total: 1285ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns1.yandex.net, dns2.yandex.net |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf.yandex.net |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
Name Servers
Two name servers dns1.yandex.net and dns2.yandex.net handle the delegation for mobile4b.ru.
mobile4b.ru shares the same name server setup as other domains, for instance geosnab.net, movevin.com, dubasova.ru, market-hall.ru and bbssms.ru.
mobile4b.ru at least partially shares name servers with other domains, for instance uno-group.ru, osiris.perm.ru, voldar.ru, betlinker.com and 383-3.ru.
These name servers are commonly used with dns1.yandex.ru and dns2.yandex.ru.
Host names with two IP numbers:
dns1.yandex.net points to 2a02:6b8::213 and 213.180.204.213.
dns2.yandex.net points to 2a02:6b8:0:1::213 and 93.158.134.213.
Mail Servers
mobile4b.ru is handled by a single mail server, mx.yandex.net.
mobile4b.ru uses the same mail server setup as other domains, for instance top-shope.com, decibel.pro, adgame.mobi, openair.by and sb74.ru.
mobile4b.ru shares at least partially some mail servers with other domains, for instance servomarket.ru, 5tea.ru, shulenin.net, kubangis.ru and budget-edu.ru.
these mail servers are commonly used together with mx.yandex.ru.
mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.