polycache.ru - robtex.com
polycache.ru
| DNSSEC | ⚠️ Not signed | ||||||
| A | 199.2.137.203🇺🇸 AS174199.0.0.0/14 | ||||||
| NS | ns054a.microsoftinternetsafety.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 13.107.206.41 | ||||||
| NS | ns001.microsoftinternetsafety.net ⚠️ Not in parent delegation | ||||||
| A | 13.107.222.41 | ||||||
| NS | ns002.microsoftinternetsafety.net ⚠️ Not in parent delegation | ||||||
| A | 13.107.206.41 | ||||||
| NS | ns054b.microsoftinternetsafety.net ⚠️ Not in parent delegation | ||||||
| NS | ns3.microsoftinternetsafety.net ⚠️ Not in zone NS records | ||||||
| NS | ns5.microsoftinternetsafety.net ⚠️ Not in zone NS records | ||||||
| NS | ns6.microsoftinternetsafety.net ⚠️ Not in zone NS records | ||||||
| MX | mail.polycache.ru ⭐ | ||||||
| SOA | NS054A.microsoftinternetsafety.netazuredns-hostmaster@microsoft.com serial=1 | ||||||
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=4068851 | ||||||
Subdomains
mail.polycache.ru |
Same first word
polycache.ru |
DNS History
10 records (9 active, 1 former)
●NSns001.microsoftinternetsafety.net2026-02-28 → 2026-05-12 · 3 obs
● 2026-02-28 13:09:08
● 2026-05-12 20:03:22
●NSns002.microsoftinternetsafety.net2026-02-28 → 2026-05-12 · 3 obs
● 2026-02-28 13:09:08
● 2026-05-12 20:03:22
●NSns054a.microsoftinternetsafety.net2026-02-28 → 2026-05-12 · 3 obs
● 2026-02-28 13:09:08
● 2026-05-12 20:03:22
●NSns054b.microsoftinternetsafety.net2026-02-28 → 2026-05-12 · 3 obs
● 2026-02-28 13:09:08
● 2026-05-12 20:03:22
●NSns3.microsoftinternetsafety.net2015-08-19 → 2026-05-12 · 2 obs
● 2026-05-12 20:03:22
○NSns4.microsoftinternetsafety.net2015-08-19 → 2020-01-03 · 4 obs
● 2020-01-03 19:16:44
○ 2026-02-28 13:09:08
○ 2026-05-12 20:03:22
●NSns5.microsoftinternetsafety.net2026-02-28 → 2026-05-12 · 3 obs
● 2026-02-28 13:09:08
● 2026-05-12 20:03:22
●NSns6.microsoftinternetsafety.net2026-02-28 → 2026-05-12 · 3 obs
● 2026-02-28 13:09:08
● 2026-05-12 20:03:22
●MXmail.polycache.ru2026-02-28 → 2026-05-12 · 2 obs
● 2026-05-12 20:03:22
●A199.2.137.2032015-08-19 → 2026-05-12 · 2 obs
● 2026-05-12 20:03:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ru | a.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net... | - |
| polycache.ru | ns3.microsoftinternetsafety.net, ns5.microsoftinternetsafety.net, ns6.microsoftinternetsafety.net | - |
✅ Authoritative Response
Server:13.107.206.41
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: 3421ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 199.2.137.203 |
| NS | 4 | ns001.microsoftinternetsafety.net, ns002.microsoftinternetsafety.net... |
| MX | 1 | mail.polycache.ru (pri: 10) |
| SOA | 1 | NS054A.microsoftinternetsafety.net azure |
Analysis
Hierarchy
The parent of mail.polycache.ru is polycache.ru.
IP Addresses
polycache.ru points to an IP address: 199.2.137.203.
Name Servers
polycache.ru is delegated to seven name servers: ns001.microsoftinternetsafety.net, ns002.microsoftinternetsafety.net, ns054a.microsoftinternetsafety.net, ns054b.microsoftinternetsafety.net, ns3.microsoftinternetsafety.net, ns5.microsoftinternetsafety.net and ns6.microsoftinternetsafety.net.
Host names with one IP number:
The host name ns001.microsoftinternetsafety.net points to: 13.107.222.41.
The host name ns002.microsoftinternetsafety.net points to: 13.107.206.41.
The host name ns054a.microsoftinternetsafety.net points to: 13.107.206.41.
Host names that point to 13.107.206.41 : ns002.microsoftinternetsafety.net and ns054a.microsoftinternetsafety.net.
Mail Servers
polycache.ru is handled by a single mail server, mail.polycache.ru.