a3-com.com - robtex.com
a3-com.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 80.87.197.87🇷🇺 RU-JSCIOT80.87.196.0/23 | ||||||
| PTR | a3-com.com | ||||||
| NS | zala.aero ⭐ | ||||||
| NS | ns1.firstvds.ru | ||||||
| A | 2a01:230:2:74::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 82.146.43.2🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | ns1.firstvds.ru | ||||||
| NS | ns2.firstvds.ru | ||||||
| A | 2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.firstvds.ru | ||||||
| MX | mail.a3-com.com ⭐ | ||||||
| A | 80.87.197.87🇷🇺 RU-JSCIOT80.87.196.0/23 | ||||||
| PTR | a3-com.com | ||||||
| TXT | v=spf1 ip4:80.87.197.87 a mx ~all | ||||||
| SOA | zala.aeroroot@a3-com.com 2020-05-19 #16 | ||||||
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=1771291435 | ||||||
PTR for
Subdomains
mail.a3-com.com |
Same first word
a3-com.com |
DNS History
7 records (5 active, 2 former)
●NSns1.firstvds.ru2015-07-23 → 2026-03-15 · 2 obs
● 2026-03-15 01:54:02
●NSns2.firstvds.ru2015-07-23 → 2026-03-15 · 2 obs
● 2026-03-15 01:54:02
●MXmail.a3-com.com2015-07-23 → 2026-03-15 · 2 obs
● 2026-03-15 01:54:02
○A37.143.14.262015-07-23 → 2016-09-22 · 4 obs
● 2016-09-22 03:42:36
○ 2017-12-29 22:28:26
○ 2026-03-15 01:54:02
●A80.87.197.872026-02-16 → 2026-03-15 · 3 obs
● 2026-02-16 14:54:02
● 2026-03-15 01:54:02
○A82.146.43.1262017-12-29 → 2017-12-29 · 4 obs
● 2017-12-29 22:28:26
○ 2026-02-16 14:54:02
○ 2026-03-15 01:54:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| a3-com.com | ns1.firstvds.ru, ns2.firstvds.ru | - |
✅ Authoritative Response
Server: 94.250.248.160
NS records: ns1.firstvds.ru, ns2.firstvds.ru
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for a3-com.com (unsigned zone)
⏱️ Timing
Total: 1121ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 80.87.197.87 |
| NS | 2 | ns1.firstvds.ru, ns2.firstvds.ru |
| MX | 2 | mail.a3-com.com (pri: 10), mail.a3-com.com (pri: 20) |
| TXT | 1 | v=spf1 ip4:80.87.197.87 a mx ~all |
| SOA | 1 | zala.aero root.a3-com.com |
Analysis
Hierarchy
a3-com.com is the parent of mail.a3-com.com.
IP Addresses
a3-com.com resolves to a single IP: 80.87.197.87.
Other host names share IP numbers with a3-com.com; for instance mail.a3-com.com.
Name Servers
a3-com.com delegates to three name servers: zala.aero, ns1.firstvds.ru and ns2.firstvds.ru.
a3-com.com shares some name servers with other domains, for example cntrea.ru, mnushki.com, augsburg.ru, juraldinio.ru and maminshop.ru.
These name servers are commonly used with firstvds.ru, intai.ru, eorhelp.ru, ns1.example.com and ns2.example.com.
Host names with two IP numbers:
ns1.firstvds.ru points to: 2a01:230:2:74::3 and 82.146.43.2; ns2.firstvds.ru points to: 2a01:230:2:75::3 and 94.250.248.160.
Mail Servers
a3-com.com is handled by a single mail server, mail.a3-com.com.
Host name mail.a3-com.com points to IP 80.87.197.87.