biotmail.ru - robtex.com
biotmail.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space | ||||||
| NS | ns1.biotmail.ru.biotmail.ru ⭐ | ||||||
| NS | ns-reg11.firstmail.ltd ⚠️ Not in zone NS records | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| NS | ns-reg4.firstmail.ltd ⚠️ Not in zone NS records | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| NS | ns1.biotmail.ru ⚠️ Not in parent delegation | ||||||
| A | 5.252.35.162🇸🇰 STORMWALL-AS5.252.35.0/24 | ||||||
| PTR | sender.firstmail.ltd | ||||||
| MX | mail.biotmail.ru ⭐ | ||||||
| A | 5.230.123.239🇩🇪 ASGHOSTNET5.230.123.0/24 GHOSTnet GmbH IP Space | ||||||
| TXT | v=spf1 ip4:5.252.35.162 -all | ||||||
| SOA | ns1.biotmail.ru.biotmail.ruadmin@biotmail.ru.biotmail.ru 2023-01-11 #2 | ||||||
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=4068855 | ||||||
Subdomains
mail.biotmail.ru |
Same first word
biotmail.ru |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns-reg11.firstmail.ltd2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 05:11:04
●NSns-reg4.firstmail.ltd2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 05:11:04
●NSns1.biotmail.ru2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 05:11:04
●NSns1.biotmail.ru.biotmail.ru2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 05:11:04
●MXmail.biotmail.ru2026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 05:11:04
●A5.230.123.2392026-05-12 → 2026-05-13 · 2 obs
● 2026-05-13 05:11:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | b.dns.ripn.net, a.dns.ripn.net, e.dns.ripn.net, d.dns.ripn.net... | - |
| biotmail.ru | ns-reg11.firstmail.ltd, ns-reg4.firstmail.ltd | - |
✅ Authoritative Response
Server:5.252.35.162
NS records: ns-reg11.firstmail.ltd, ns-reg4.firstmail.ltd
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for biotmail.ru (unsigned zone)
⏱️ Timing
Total: 3093ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.230.123.239 |
| NS | 1 | ns1.biotmail.ru |
| MX | 1 | mail.biotmail.ru (pri: 10) |
| TXT | 1 | v=spf1 ip4:5.252.35.162 -all |
| SOA | 1 | ns1.biotmail.ru.biotmail.ru admin.biotma |
Analysis
Hierarchy
biotmail.ru is the parent of mail.biotmail.ru.
IP Addresses
biotmail.ru resolves to a single IP address: 5.230.123.239.
Other host names including septentrinf.com, accidenolml.ru, horizmali.ru, postencepfml.com and retainabmail.ru share IP numbers with biotmail.ru.
Name Servers
biotmail.ru is delegated to four name servers: ns-reg11.firstmail.ltd, ns-reg4.firstmail.ltd, ns1.biotmail.ru and ns1.biotmail.ru.biotmail.ru.
biotmail.ru at least partially shares name servers with other domains, including chemotherml.ru, magistratmail.ru, oligosml.ru, anticiml.ru and hierogly.ru.
these name servers are commonly used with ns-reg3.firstmail.ltd, ns-reg5.firstmail.ltd, ns-reg12.firstmail.ltd and ns-reg10.firstmail.ltd.
Host names with one IP number
ns-reg11.firstmail.ltd points to 5.252.35.162
ns-reg4.firstmail.ltd points to 5.252.35.162
ns1.biotmail.ru points to 5.252.35.162
Host names pointing to 5.252.35.162: ns-reg11.firstmail.ltd, ns-reg4.firstmail.ltd and ns1.biotmail.ru
Mail Servers
biotmail.ru is handled by a single mail server, mail.biotmail.ru.
mail.biotmail.ru points to a single IP: 5.230.123.239.