coder.school - dns.ninja

`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.com`dns@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.school`hostmaster@donuts.email serial=1784843235

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DNS History

9 records (4 active, 5 former)

●NSns3.afternic.com2026-02-23 → 2026-07-23 · 3 obs

○ 2016-12-10 20:45:16
● 2026-02-23 00:57:40
● 2026-07-23 22:37:44

●NSns4.afternic.com2026-02-23 → 2026-07-23 · 3 obs

○ 2016-12-10 20:45:16
● 2026-02-23 00:57:40
● 2026-07-23 22:37:44

○NSns55.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:45:16
○ 2026-02-23 00:57:40
○ 2026-07-23 22:37:44

○NSns56.domaincontrol.com2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:45:16
○ 2026-02-23 00:57:40
○ 2026-07-23 22:37:44

○MXmailstore1.secureserver.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:45:16
○ 2026-02-23 00:57:40
○ 2026-07-23 22:37:44

○MXsmtp.secureserver.net2016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:45:16
○ 2026-02-23 00:57:40
○ 2026-07-23 22:37:44

●A13.248.169.482026-02-23 → 2026-07-23 · 3 obs

○ 2016-12-10 20:45:16
● 2026-02-23 00:57:40
● 2026-07-23 22:37:44

○A184.168.221.522016-12-10 → 2016-12-10 · 3 obs

● 2016-12-10 20:45:16
○ 2026-02-23 00:57:40
○ 2026-07-23 22:37:44

●A76.223.54.1462026-02-23 → 2026-07-23 · 3 obs

○ 2016-12-10 20:45:16
● 2026-02-23 00:57:40
● 2026-07-23 22:37:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
school	v0n0.nic.school, v0n3.nic.school, v0n2.nic.school, v0n1.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: 840ms | 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 (v2n1.nic.school, v2n0.nic.school, v0n3.nic.school...)

Analysis

IP Addresses

coder.school directs to two IP numbers, 13.248.169.48 and 76.223.54.146

Additional host names — synergymarine.com, zeinstra.com, ftp.studymate.net and two others — share IP numbers with coder.school.

Name Servers

The NS records for coder.school delegate to ns3.afternic.com and ns4.afternic.com.

coder.school shares its name server setup with other domains, including squareye.com, sezonka.com, tahasson.com and two others.

coder.school shares at least some of its name servers with other domains, including billigbilletter.com, happiers.com, qpcap.com and two others.

These name servers are frequently seen alongside the name servers verification-xca45ox5qyba6vycrpoay7.ns101.verify.hn.

ns3.afternic.com and ns4.afternic.com each resolve to one IP number: ns3.afternic.com points to 97.74.98.65 and ns4.afternic.com points to 173.201.66.65.