coder.school - robtex.com
coder.school
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
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=1778349645 | ||||||
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns3.afternic.com2026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 00:57:40
● 2026-05-09 18:44:58
●NSns4.afternic.com2026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 00:57:40
● 2026-05-09 18:44:58
○NSns55.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-23 00:57:40
○ 2026-05-09 18:44:58
○NSns56.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-23 00:57:40
○ 2026-05-09 18:44:58
○MXmailstore1.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-23 00:57:40
○ 2026-05-09 18:44:58
○MXsmtp.secureserver.net2016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-23 00:57:40
○ 2026-05-09 18:44:58
●A13.248.169.482026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 00:57:40
● 2026-05-09 18:44:58
○A184.168.221.522016-12-10 → 2016-12-10 · 3 obs
○ 2026-02-23 00:57:40
○ 2026-05-09 18:44:58
●A76.223.54.1462026-02-23 → 2026-05-09 · 3 obs
● 2026-02-23 00:57:40
● 2026-05-09 18:44:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| school | v0n0.nic.school, v2n0.nic.school, v0n1.nic.school, v0n3.nic.school... | 12 records |
| coder.school | ns3.afternic.com, ns4.afternic.com | - |
✅ Authoritative Response
Server:97.74.98.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coder.school (unsigned zone)
⏱️ Timing
Total: 488ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (v0n0.nic.school, v0n1.nic.school, v0n2.nic.school...)
Analysis
IP Addresses
coder.school points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names, for instance zeinstra.com, ftp.studymate.net, oosol.com, elijoseguro.org and ultranix.com share IP numbers with coder.school.
Name Servers
coder.school is delegated to two name servers: ns3.afternic.com and ns4.afternic.com.
coder.school uses the same name server setup as other domains, for instance squareye.com, sezonka.com, playsport.co, 108.62.56.93.rdns.ubiquity.io and csiservices.com.
coder.school at least partially shares name servers with other domains, such as billigbilletter.com and qpcap.com and gptmusic.com.
these name servers are often used together with the name servers verification-xca45ox5qyba6vycrpoay7.ns101.verify.hn.
Host names with one IP number:
ns3.afternic.com points to: 97.74.98.65.
ns4.afternic.com points to: 173.201.66.65.