isp.cores.uz - robtex.com
isp.cores.uz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.27.159.104🇯🇵 worldbyte-net103.27.159.0/24 | ||||||
| PTR | srv1.cores.uz | ||||||
| NS | s1.u5n.ru ⭐ | ||||||
| NS | ns1.cores.uz ⚠️ Not in parent delegation | ||||||
| A | 31.184.242.23🇷🇺 MIRhosting31.184.242.0/24 | ||||||
| PTR | ress1.worldbyte.net | ||||||
| NS | ns2.cores.uz ⚠️ Not in parent delegation | ||||||
| A | 31.184.242.33🇷🇺 MIRhosting31.184.242.0/24 | ||||||
| PTR | ress1.worldbyte.net | ||||||
| MX | mail.isp.cores.uz ⭐ | ||||||
| A | 103.27.159.104🇯🇵 worldbyte-net103.27.159.0/24 | ||||||
| PTR | srv1.cores.uz | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | s1.u5n.ruroot@example.com 2024-11-12 #23 | ||||||
cores.uz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 31.184.242.23🇷🇺 MIRhosting31.184.242.0/24 | ||||||
| NS | s1.u5n.ru ⭐ | ||||||
| NS | ns1.cores.uz ⚠️ Not in parent delegation | ||||||
| NS | ns1.master-zar.uz ⚠️ Not in zone NS records | ||||||
| NS | ns2.cores.uz ⚠️ Not in parent delegation | ||||||
| NS | ns2.master-zar.uz ⚠️ Not in zone NS records | ||||||
| MX | mail.cores.uz ⭐ | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | s1.u5n.ruroot@cores.uz 2024-11-13 #90 | ||||||
PTR for
NS for
Previously NS for
Subdomains
mail.isp.cores.uz |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.isp.cores.uz2026-03-24 → 2026-05-10 · 2 obs
● 2026-05-10 23:51:38
●A103.27.159.1042026-03-24 → 2026-05-10 · 2 obs
● 2026-05-10 23:51:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| uz | ns1.uz, ns2.uz, ns3.uz, ns4.uz... | 12 records |
| cores.uz | ns1.master-zar.uz, ns2.master-zar.uz | 2 records |
✅ Authoritative Response
Server:31.184.242.33
NS records: ns1.master-zar.uz, ns2.master-zar.uz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cores.uz (unsigned zone)
⏱️ Timing
Total: 889ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.27.159.104 |
| NS | 2 | ns2.cores.uz, ns1.cores.uz |
| MX | 2 | mail.isp.cores.uz (pri: 10), mail.isp.cores.uz (pri: 20) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | s1.u5n.ru root.example.com |
📌 Glue Records Collected
Total: 14
In-bailiwick: 12 (ns1.uz, ns2.uz, ns3.uz...)
Out-of-bailiwick: 2 (ns1.master-zar.uz, ns2.master-zar.uz)
Analysis
Hierarchy
isp.cores.uz is the parent of mail.isp.cores.uz.
Name Server Role
isp.cores.uz serves as a name server for coresuz.ru.
ns1.coresuz.ru and ns2.coresuz.ru are commonly used as name servers together with isp.cores.uz.
IP Addresses
isp.cores.uz resolves to a single IP: 103.27.159.104.
Other host names, for instance mail.coresuz.ru, mail.tanishuv.biz, coresuz.ru, srv1.cores.uz and tengdosh.ru share IP numbers with isp.cores.uz.
Name Servers
isp.cores.uz delegates to three name servers: s1.u5n.ru, ns1.cores.uz and ns2.cores.uz.
isp.cores.uz shares some name servers with other domains, for example byfira.ru, master-zar.uz, gitop.ru, lovse.ru and olvip.ru.
these name servers are often used with ns1.wapfa.ru, ns2.wapfa.ru, google.nciti.ru, yandex.nciti.ru, ns1.master-zar.uz, ns2.master-zar.uz, ns1.mobhost.uz, ns2.mobhost.uz, ns1.example.com and ns2.example.com.
Host names with a single IP:
ns1.cores.uz points to 31.184.242.23
ns2.cores.uz points to 31.184.242.33
Mail Servers
isp.cores.uz is handled by a single mail server, mail.isp.cores.uz.
Host name mail.isp.cores.uz points to IP 103.27.159.104.