smartmail.su - dns.ninja
smartmail.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.76.253.8🇷🇺 RELSOFTCOM-NET185.76.252.0/22 RELSOFTCOM | ||||||
| PTR | frontend.trade.su | ||||||
| NS | ns.trade.su ⭐ | ||||||
| A | 185.76.253.170🇷🇺 RELSOFTCOM-NET185.76.252.0/22 RELSOFTCOM | ||||||
| PTR | notused.trade.su | ||||||
| PTR | ns.trade.su | ||||||
| NS | office.trade.su | ||||||
| A | 91.200.29.122🇷🇺 RELSOFTCOM-NET91.200.28.0/22 RELSOFTCOM | ||||||
| PTR | mail.trade.su | ||||||
| NS | postmaster.trade.su ⚠️ Not in parent delegation | ||||||
| A | 185.76.253.231🇷🇺 RELSOFTCOM-NET185.76.252.0/22 RELSOFTCOM | ||||||
| PTR | postmaster.trade.su | ||||||
| MX | mx3.trade.su ⭐ | ||||||
| A | 185.76.253.195🇷🇺 RELSOFTCOM-NET185.76.252.0/22 RELSOFTCOM | ||||||
| PTR | mx3.trade.su | ||||||
| TXT | v=spf1 ip4:185.76.253.0/24 ip4:178.237.196.80/29 ip4:46.36.221.80/32 ip4:46.3... | ||||||
| SOA | ns.trade.supostmaster@trade.su 2016-03-24 #37 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | c.tld-servers.ru | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650210232 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSpostmaster.trade.su2018-07-16 → 2026-08-16 · 3 obs
● 2018-07-16 13:58:12
● 2026-08-16 18:51:14
○A185.76.253.332018-07-16 → 2018-07-16 · 4 obs
● 2018-07-16 13:58:12
○ 2026-03-05 09:09:30
○ 2026-08-16 18:51:14
●A185.76.253.82017-01-03 → 2026-08-16 · 4 obs
○ 2018-07-16 13:58:12
● 2026-03-05 09:09:30
● 2026-08-16 18:51:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | b.dns.ripn.net, e.dns.ripn.net, c.tld-servers.ru, a.dns.ripn.net... | - |
| smartmail.su | ns.trade.su, office.trade.su | 2 records |
✅ Authoritative Response
Server:91.200.29.122
NS records: ns.trade.su, office.trade.su
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartmail.su (unsigned zone)
⏱️ Timing
Total: 756ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.76.253.8 |
| NS | 3 | ns.trade.su, postmaster.trade.su... |
| MX | 1 | mx3.trade.su (pri: 10800) |
| TXT | 1 | v=spf1 ip4:185.76.253.0/24 ip4:178.237.1 |
| SOA | 1 | ns.trade.su postmaster.trade.su |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (office.trade.su, ns.trade.su)
Analysis
Hierarchy
smartmail.su serves as the parent of vm14.smartmail.su and vps01.smartmail.su.
IP Addresses
smartmail.su has exactly one IP address — 185.76.253.8.
arkhev.ru, aptgroup.clients.ru, *.clients.ru plus two other host names have IP numbers in common with smartmail.su.
Name Servers
smartmail.su is delegated to three name servers: ns.trade.su, office.trade.su and postmaster.trade.su.
smartmail.su shares at least some of its name servers with other domains, including ia-trade.su, bestvision.ru, trade.su and two others.
These name servers are frequently paired with the name servers sysadmin.trade.su and vladi.trade.su.
ns.trade.su, office.trade.su and postmaster.trade.su each resolve to a single IP address: ns.trade.su resolves to 185.76.253.170, office.trade.su resolves to 91.200.29.122 and postmaster.trade.su resolves to 185.76.253.231.
Mail Servers
smartmail.su uses one mail server — mx3.trade.su.
The mail server setup of smartmail.su matches that of other domains such as trade.su, megaresearch.ru, tenders.ru and two others.
mx3.trade.su resolves to a single IP number: 185.76.253.195.