cu.school - robtex.com
cu.school
school
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | v0n0.nic.school ⭐ | ||||||
| NS | v0n1.nic.school | ||||||
| NS | v0n2.nic.school | ||||||
| NS | v0n3.nic.school | ||||||
| NS | v2n0.nic.school | ||||||
| NS | v2n1.nic.school | ||||||
| SOA | v0n0.nic.schoolhostmaster@donuts.email serial=1792512186 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
7 records (7 active, 0 former)
●NSdns1.registrar-servers.com2026-09-11 → 2026-10-20 · 2 obs
● 2026-10-20 16:49:50
●NSdns2.registrar-servers.com2026-09-11 → 2026-10-20 · 2 obs
● 2026-10-20 16:49:50
●MXcu-school.mail.protection.outlook.com2026-09-11 → 2026-10-20 · 2 obs
● 2026-10-20 16:49:50
●A198.185.159.1442026-09-11 → 2026-10-20 · 2 obs
● 2026-10-20 16:49:50
●A198.185.159.1452026-09-11 → 2026-10-20 · 2 obs
● 2026-10-20 16:49:50
●A198.49.23.1442026-09-11 → 2026-10-20 · 2 obs
● 2026-10-20 16:49:50
●A198.49.23.1452026-09-11 → 2026-10-20 · 2 obs
● 2026-10-20 16:49:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| school | v2n0.nic.school, v0n2.nic.school, v0n0.nic.school, v0n3.nic.school... | 12 records |
| cu.school | dns1.registrar-servers.com, dns2.registrar-servers.com | - |
✅ Authoritative Response
Server:156.154.133.200
NS records: dns1.registrar-servers.com, dns2.registrar-servers.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cu.school (unsigned zone)
⏱️ Timing
Total: 244ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.185.159.144, 198.49.23.145... |
| NS | 2 | dns1.registrar-servers.com, dns2.registrar-servers.com |
| MX | 1 | cu-school.mail.protection.outlook.com (p |
| TXT | 2 | MS=ms88192177, v=spf1 ip4:92.62.34.30 include:spf.prote |
| SOA | 1 | dns1.registrar-servers.com hostmaster.re |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v2n0.nic.school, v2n0.nic.school, v0n2.nic.school...)
Analysis
IP Addresses
cu.school directs to four IP numbers, which are 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
Additional host names — danlawoffice.org, catherinemtran.com, kulungtaxservice.com and two others — share IP numbers with cu.school.
Name Servers
cu.school is delegated to two name servers: dns1.registrar-servers.com and dns2.registrar-servers.com.
cu.school shares its name server setup with other domains, including xn--l-fogads-fza6e36d.com, karinaabel.com, sallysubsloth.com and two others.
dns1.registrar-servers.com and dns2.registrar-servers.com each resolve to two IP addresses: dns1.registrar-servers.com points to 156.154.132.200 and 2610:a1:1024::200, while dns2.registrar-servers.com points to 156.154.133.200 and 2610:a1:1025::200.
Mail Servers
cu.school has one mail server: cu-school.mail.protection.outlook.com.
cu-school.mail.protection.outlook.com points to 8 IP numbers: 52.101.73.126, 52.101.73.145, 52.101.103.162 and 5 other.