ptr-oil.com - robtex.com

ptr-oil.com

com

Same first word

Similar names

DNS History

5 records (4 active, 1 former)

2017201820192020202120222023202420252026NSns.masterhost.runs1.masterhost.runs2.masterhost.ruMXmail.diamondvalley.rumail.patero.ru
NSns.masterhost.ru2016-12-20 → 2026-07-16 · 2 obs
● 2016-12-20 09:12:48
● 2026-07-16 11:09:20
NSns1.masterhost.ru2016-12-20 → 2026-07-16 · 2 obs
● 2016-12-20 09:12:48
● 2026-07-16 11:09:20
NSns2.masterhost.ru2016-12-20 → 2026-07-16 · 2 obs
● 2016-12-20 09:12:48
● 2026-07-16 11:09:20
MXmail.diamondvalley.ru2026-05-11 → 2026-07-16 · 3 obs
○ 2018-12-01 02:08:34
● 2026-05-11 15:24:24
● 2026-07-16 11:09:20
MXmail.patero.ru2016-12-20 → 2018-12-01 · 4 obs
● 2016-12-20 09:12:48
● 2018-12-01 02:08:34
○ 2026-05-11 15:24:24
○ 2026-07-16 11:09:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
ptr-oil.comns1.masterhost.ru, ns.masterhost.ru, ns2.masterhost.ru-

✅ Authoritative Response

Server:90.156.136.116

NS records: ns1.masterhost.ru, ns.masterhost.ru, ns2.masterhost.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptr-oil.com (unsigned zone)

⏱️ Timing

Total: 931ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns1.masterhost.ru, ns2.masterhost.ru...
MX1mail.diamondvalley.ru (pri: 10)
TXT1v=spf1 include:_spf.diamondvalley.ru -al
SOA1ns1.masterhost.ru hostmaster.masterhost.

Analysis

Name Servers

ptr-oil.com has three name servers — ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru.

ptr-oil.com partially shares its NS delegation with several other domains, including solfm.ru, vasrox.ru, confitrade.ru and two others.

Each of ns1.masterhost.ru, ns2.masterhost.ru and ns.masterhost.ru points to two IP numbers. ns1.masterhost.ru points to 90.156.137.50 and 2a00:15f8:a000:11:1:1:1:53. ns2.masterhost.ru points to 90.156.133.161 and 2a00:15f8:a000:12:1:1:2:53. ns.masterhost.ru points to 90.156.136.116 and 2a00:15f8:a000:10:1:1:0:53.

Mail Servers

ptr-oil.com uses one mail server — mail.diamondvalley.ru.

The mail server setup of ptr-oil.com matches that of other domains such as cyberdom.ru, ndtcompany.com, patero.ru and two others.

The host mail.diamondvalley.ru resolves to 83.220.163.69 and 195.210.147.166 — two IP addresses.