opt57.ru - robtex.com
opt57.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 82.146.61.95🇷🇺 RU-JSCIOT82.146.56.0/21 | ||||||
| PTR | opt57.ru | ||||||
| NS | ispvds.com ⭐ | ||||||
| A | 82.146.40.40🇷🇺 RU-JSCIOT82.146.40.0/21 | ||||||
| PTR | gw.hoztnode.net | ||||||
| NS | ns1.ispvds.com | ||||||
| A | 94.250.248.8🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.ispvds.com | ||||||
| NS | ns2.ispvds.com | ||||||
| A | 2a01:230:2:75::4🇷🇺 RU-JSCIOT2a01:230:2::/48 | ||||||
| A | 94.250.248.8🇷🇺 RU-JSCIOT94.250.248.0/23 | ||||||
| PTR | ns2.ispvds.com | ||||||
| MX | mail.opt57.ru ⭐ | ||||||
| A | 82.146.61.95🇷🇺 RU-JSCIOT82.146.56.0/21 | ||||||
| PTR | opt57.ru | ||||||
| MX | mail.opt57.ru(20) | ||||||
| A | 82.146.61.95🇷🇺 RU-JSCIOT82.146.56.0/21 | ||||||
| PTR | opt57.ru | ||||||
| TXT | v=spf1 ip4:82.146.61.95 a mx ~all | ||||||
| SOA | ispvds.comroot@opt57.ru 2020-05-01 #20 | ||||||
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=4068321 | ||||||
PTR for
Subdomains
mail.opt57.ru |
Same first word
opt57.ru |
Similar names
DNS History
10 records (5 active, 5 former)
○NSbestbadges.ru2016-04-17 → 2017-07-03 · 4 obs
● 2016-04-17 08:08:40
● 2017-07-03 16:55:46
○ 2026-03-29 18:43:00
○NSns1.example.com2016-04-17 → 2017-07-03 · 4 obs
● 2016-04-17 08:08:40
● 2017-07-03 16:55:46
○ 2026-03-29 18:43:00
●NSns1.ispvds.com2015-05-13 → 2026-03-29 · 5 obs
● 2015-12-23 02:00:56
○ 2016-04-17 08:08:40
○ 2017-07-03 16:55:46
● 2026-03-29 18:43:00
○NSns2.example.com2016-04-17 → 2017-07-03 · 4 obs
● 2016-04-17 08:08:40
● 2017-07-03 16:55:46
○ 2026-03-29 18:43:00
●NSns2.ispvds.com2015-05-13 → 2026-03-29 · 5 obs
● 2015-12-23 02:00:56
○ 2016-04-17 08:08:40
○ 2017-07-03 16:55:46
● 2026-03-29 18:43:00
●MXmail.opt57.ru2026-03-29 → 2026-03-29 · 1 obs
○A62.109.17.852015-05-13 → 2015-12-23 · 4 obs
● 2015-12-23 02:00:56
○ 2016-04-17 08:08:40
○ 2026-03-29 18:43:00
○A62.109.4.2242016-04-17 → 2017-07-03 · 4 obs
● 2016-04-17 08:08:40
● 2017-07-03 16:55:46
○ 2026-03-29 18:43:00
●A82.146.61.952026-03-29 → 2026-03-29 · 2 obs
● 2026-03-29 18:43:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net... | - |
| opt57.ru | ns1.ispvds.com, ns2.ispvds.com | - |
✅ Authoritative Response
Server:94.250.248.8
NS records: ns1.ispvds.com, ns2.ispvds.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opt57.ru (unsigned zone)
⏱️ Timing
Total: 1229ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 82.146.61.95 |
| NS | 2 | ns2.ispvds.com, ns1.ispvds.com |
| MX | 2 | mail.opt57.ru (pri: 10), mail.opt57.ru (pri: 20) |
| TXT | 1 | v=spf1 ip4:82.146.61.95 a mx ~all |
| SOA | 1 | ispvds.com root.opt57.ru |
Analysis
Hierarchy
opt57.ru is the parent of mail.opt57.ru.
IP Addresses
opt57.ru points to a single IP number: 82.146.61.95.
Other host names, for instance reznoyfasad.ru, mail.opt57.ru and mail.reznoyfasad.ru share IP numbers with opt57.ru.
Name Servers
opt57.ru is delegated to three name servers: ispvds.com, ns1.ispvds.com and ns2.ispvds.com.
opt57.ru at least partially shares name servers with other domains, for instance baikal.group, vent-master.ru, digitaldays.ru, wbboost.pro and dentmsk.ru.
these name servers are commonly used with ns1.example.com, ns2.example.com, ns1.triplesite.ru, ns2.triplesite.ru, ns1.44266.ispvds.com and ns2.44266.ispvds.com.
Host names with two IP numbers: ns2.ispvds.com points to 2a01:230:2:75::4 and 94.250.248.8.
Host names with one IP number: ispvds.com points to 82.146.40.40; ns1.ispvds.com points to 94.250.248.8.
Host names that point to 94.250.248.8: ns2.ispvds.com and ns1.ispvds.com.
Mail Servers
opt57.ru is handled by two mail servers mail.opt57.ru and mail.opt57.ru.
Host names with one IP number: mail.opt57.ru points to: 82.146.61.95.