mail.polycache.ru - robtex.com

mail.polycache.ru

DNSSEC⚠️ Not signed
A199.2.137.203🇺🇸 COGENT199.0.0.0/14 SprintLink
MXmail.polycache.ru ⭐
A199.2.137.203🇺🇸 COGENT199.0.0.0/14 SprintLink

polycache.ru

DNSSEC⚠️ Not signed
A199.2.137.203🇺🇸 COGENT199.0.0.0/14 SprintLink
NSns054a.microsoftinternetsafety.net ⭐ ⚠️ Not in parent delegation
NSns001.microsoftinternetsafety.net ⚠️ Not in parent delegation
NSns002.microsoftinternetsafety.net ⚠️ Not in parent delegation
NSns054b.microsoftinternetsafety.net ⚠️ Not in parent delegation
NSns3.microsoftinternetsafety.net ⚠️ Not in zone NS records
NSns5.microsoftinternetsafety.net ⚠️ Not in zone NS records
NSns6.microsoftinternetsafety.net ⚠️ Not in zone NS records
MXmail.polycache.ru ⭐
SOANS054A.microsoftinternetsafety.netazuredns-hostmaster@microsoft.com serial=1

MX for

mail.polycache.ru
polycache.ru

Same first word

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DNS History

2 records (2 active, 0 former)

MXmail.polycache.ruA199.2.137.203
●MXmail.polycache.ru2026-04-13 → 2026-05-13 · 2 obs
● 2026-04-13 08:28:42
● 2026-05-13 04:38:16
●A199.2.137.2032026-04-13 → 2026-05-13 · 2 obs
● 2026-04-13 08:28:42
● 2026-05-13 04:38:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rue.dns.ripn.net, d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net...-
polycache.runs3.microsoftinternetsafety.net, ns5.microsoftinternetsafety.net, ns6.microsoftinternetsafety.net-

✅ Authoritative Response

Server:13.107.222.41

NS records: ns3.microsoftinternetsafety.net, ns5.microsoftinternetsafety.net, ns6.microsoftinternetsafety.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polycache.ru (unsigned zone)

⏱️ Timing

Total: 668ms | Queries: -

📄 Records

TypeCountSample Data
A1199.2.137.203
MX1mail.polycache.ru (pri: 10)

Analysis

Mail Server Role

mail.polycache.ru serves as the mail server for mail.polycache.ru and polycache.ru.

IP Addresses

mail.polycache.ru resolves to one IP number: 199.2.137.203.

other host names including mail.d798779d999dnn.com, potexdvideo30.us, mail.auth-verif.org, autosteanna.com and mail.interbirster.co share IP numbers with mail.polycache.ru.

Mail Servers

mail.polycache.ru is served by a single mail server, mail.polycache.ru.

mail.polycache.ru shares the same mail server setup as other domains, for instance polycache.ru.

mail.polycache.ru resolves to IP 199.2.137.203.