mail.power21.ru - robtex.com

mail.power21.ru

DNSSEC⚠️ Not signed
A45.150.9.120🇷🇺 RU-JSCIOT45.150.8.0/22
PTRsrv1.power21.ru
NSsrv1.power21.ru ⭐
A45.150.9.120🇷🇺 RU-JSCIOT45.150.8.0/22
PTRsrv1.power21.ru
NSns1.firstvds.ru ⚠️ Not in parent delegation
A2a01:230:2:74::3🇷🇺 RU-JSCIOT2a01:230:2::/48
A82.146.43.2🇷🇺 RU-JSCIOT82.146.40.0/21
PTRns1.firstvds.ru
NSns2.firstvds.ru ⚠️ Not in parent delegation
A2a01:230:2:75::3🇷🇺 RU-JSCIOT2a01:230:2::/48
A94.250.248.160🇷🇺 RU-JSCIOT94.250.248.0/23
PTRns2.firstvds.ru
MXmail.mail.power21.ru ⭐
A45.150.9.120🇷🇺 RU-JSCIOT45.150.8.0/22
PTRsrv1.power21.ru
TXTv=spf1 ip4:45.150.9.120 a mx ~all
SOAsrv1.power21.rudns-admin@firstvds.ru 2025-09-21 #1

power21.ru

DNSSEC⚠️ Not signed
A45.150.9.120🇷🇺 RU-JSCIOT45.150.8.0/22
NSsrv1.power21.ru ⭐
NSns1.firstvds.ru
NSns2.firstvds.ru
MXmail.power21.ru ⭐
TXTv=spf1 ip4:45.150.9.120 a mx ~all
SOAsrv1.power21.rudns-admin@firstvds.ru 2025-09-20 #61

MX for

power21.ru

Subdomains

mail.mail.power21.ru

Same first word

mail.in-brb.de
mail.ro
mail.com.hk
mail.neustar
mail.ao
mail.pw
mail.broker
mail.school
mail.land
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mail.global
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mail.se
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mail.management
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DNS History

5 records (5 active, 0 former)

NSns1.firstvds.runs2.firstvds.rusrv1.power21.ruMXmail.mail.power21.ruA45.150.9.120
●NSns1.firstvds.ru2026-04-08 → 2026-08-03 · 2 obs
● 2026-04-08 06:17:54
● 2026-08-03 20:22:54
●NSns2.firstvds.ru2026-04-08 → 2026-08-03 · 2 obs
● 2026-04-08 06:17:54
● 2026-08-03 20:22:54
●NSsrv1.power21.ru2026-04-08 → 2026-08-03 · 2 obs
● 2026-04-08 06:17:54
● 2026-08-03 20:22:54
●MXmail.mail.power21.ru2026-04-08 → 2026-08-03 · 2 obs
● 2026-04-08 06:17:54
● 2026-08-03 20:22:54
●A45.150.9.1202026-04-08 → 2026-08-03 · 2 obs
● 2026-04-08 06:17:54
● 2026-08-03 20:22:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rub.dns.ripn.net, f.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
power21.runs2.firstvds.ru, ns1.firstvds.ru2 records

✅ Authoritative Response

Server:94.250.248.160

NS records: ns2.firstvds.ru, ns1.firstvds.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for power21.ru (unsigned zone)

⏱️ Timing

Total: 1914ms | Queries: -

📄 Records

TypeCountSample Data
A145.150.9.120
NS2ns2.firstvds.ru, ns1.firstvds.ru
MX2mail.mail.power21.ru (pri: 10), mail.mail.power21.ru (pri: 20)
TXT1v=spf1 ip4:45.150.9.120 a mx ~all
SOA1srv1.power21.ru dns-admin.firstvds.ru

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.firstvds.ru, ns1.firstvds.ru)

Analysis

Hierarchy

mail.power21.ru is the parent zone for mail.mail.power21.ru.

Mail Server Role

power21.ru uses mail.power21.ru as a mail server.

IP Addresses

mail.power21.ru resolves to one IP address: 45.150.9.120.

mail.power21.ru shares its IP numbers with other host names like power21.ru, srv1.power21.ru and mail.mail.power21.ru.

Name Servers

mail.power21.ru is served by three name servers: ns1.firstvds.ru, ns2.firstvds.ru and srv1.power21.ru.

mail.power21.ru partially shares its NS delegation with several other domains, including takioki.ru, region-vladimir.ru, ru-game.ru and two others.

In DNS configurations, these name servers often share authority with firstvds.ru, ns1.example.com, ns2.example.com and 6 other name servers.

Hostnames that resolve to two IP addresses:

The A records for ns1.firstvds.ru return 82.146.43.2 and 2a01:230:2:74::3.

The A records for ns2.firstvds.ru return 94.250.248.160 and 2a01:230:2:75::3.

Hosts with just one IP address:

srv1.power21.ru resolves to the IP address 45.150.9.120.

Mail Servers

Mail for mail.power21.ru is handled by a single mail server, mail.mail.power21.ru.

mail.mail.power21.ru resolves to 45.150.9.120 and no other IP number.