4b-mail.com - robtex.com
4b-mail.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.45.75.73🇳🇱 SCALAXY-AS5.45.72.0/22 | ||||||
| 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 | yandex-verification: 863c9b4b0e6380a2 | ||||||
| TXT | v=spf1 a mx include:_spf.yandex.net include:_spf.elasticemail.com ~all | ||||||
| TXT | google-site-verification=YQJ_ywtmMHtdRenx1-eeglRbJQoa2Syx34MUaKDFxdg | ||||||
| SOA | dns1.yandex.netdns-hosting@yandex.ru serial=9 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774741287 | ||||||
Same first word
4b-mail.com |
DNS History
5 records (4 active, 1 former)
●NSdns1.yandex.net2019-03-15 → 2026-03-29 · 2 obs
● 2026-03-29 00:05:04
●NSdns2.yandex.net2019-03-15 → 2026-03-29 · 2 obs
● 2026-03-29 00:05:04
●MXmx.yandex.net2019-03-15 → 2026-03-29 · 2 obs
● 2026-03-29 00:05:04
●A5.45.75.732026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 00:05:04
○A89.223.92.2262019-03-15 → 2019-03-15 · 2 obs
○ 2026-03-29 00:05:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net... | - |
| 4b-mail.com | 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 4b-mail.com (unsigned zone)
⏱️ Timing
Total: 1500ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.45.75.73 |
| NS | 2 | dns2.yandex.net, dns1.yandex.net |
| MX | 1 | mx.yandex.net (pri: 10) |
| TXT | 3 | yandex-verification: 863c9b4b0e6380a2, v=spf1 a mx include:_spf.yandex.net incl... |
| SOA | 1 | dns1.yandex.net dns-hosting.yandex.ru |
Analysis
IP Addresses
4b-mail.com points to IP number: 5.45.75.73.
Name Servers
4b-mail.com is delegated to two name servers: dns1.yandex.net and dns2.yandex.net.
4b-mail.com shares the same name server setup as alisa(0x736c7574).ru, arprus.com, stkom.net, masterstal.com and premier-tur.com.
4b-mail.com at least partially shares name servers with other domains, for instance chemy.ru, converse.ru, xamiev.ru, e-restoran.ru and saluteh.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
4b-mail.com is handled by a single mail server, mx.yandex.net.
The mail server setup for 4b-mail.com matches that of other domains, for instance creativemusic.app, softvia.net, nordman.ru, wgkh.ru and eskortuz.com.
4b-mail.com shares at least partially some mail servers with other domains, including lalelokantasi.com, vseicrazy.ru, prof-comp.ru, newstor.net and nyarghr.com.
mx.yandex.net points to two IPs: 2a02:6b8::311 and 77.88.21.249.