`api.cedulearn.com`

DNSSEC	⚠️ Not signed
A	3.34.62.41^{🇰🇷 Amazon3.34.0.0/15 EC2 ICN prefix}
		PTR	`ec2-3-34-62-41.ap-northeast-2.compute.amazonaws.com`
A	13.124.9.43^{🇰🇷 Amazon13.124.0.0/16 EC2 ICN prefix}
A	13.125.196.55^{🇰🇷 Amazon13.125.0.0/16}
A	13.209.152.172^{🇰🇷 Amazon13.209.0.0/16 EC2 ICN prefix}

`cedulearn.com`

	DNSSEC	⚠️ Not signed
	A	3.36.219.178^{🇰🇷 Amazon3.36.0.0/14 EC2 ICN prefix}
	A	13.124.33.202^{🇰🇷 Amazon13.124.0.0/16 EC2 ICN prefix}
	A	15.164.202.102^{🇰🇷 Amazon15.164.0.0/15 EC2 ICN prefix}
	A	52.78.139.118^{🇰🇷 Amazon52.78.0.0/16 EC2 ICN prefix}
	NS	`ns-1376.awsdns-44.org` ⭐
	NS	`ns-1770.awsdns-29.co.uk`
	NS	`ns-24.awsdns-03.com`
	NS	`ns-925.awsdns-51.net`
	SOA	`ns-1376.awsdns-44.org`awsdns-hostmaster@amazon.com serial=1

Same first word

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DNS History

8 records (4 active, 4 former)

●A13.124.9.432026-03-09 → 2026-03-09 · 2 obs

○ 2026-02-19 06:44:56
● 2026-03-09 11:11:30

●A13.125.196.552026-03-09 → 2026-03-09 · 2 obs

○ 2026-02-19 06:44:56
● 2026-03-09 11:11:30

●A13.209.152.1722026-03-09 → 2026-03-09 · 2 obs

○ 2026-02-19 06:44:56
● 2026-03-09 11:11:30

○A15.165.141.1712026-02-18 → 2026-02-19 · 3 obs

● 2026-02-18 00:27:12
● 2026-02-19 06:44:56
○ 2026-03-09 11:11:30

●A3.34.62.412026-03-09 → 2026-03-09 · 2 obs

○ 2026-02-19 06:44:56
● 2026-03-09 11:11:30

○A3.36.243.1942026-02-18 → 2026-02-19 · 3 obs

● 2026-02-18 00:27:12
● 2026-02-19 06:44:56
○ 2026-03-09 11:11:30

○A3.37.24.742026-02-18 → 2026-02-19 · 3 obs

● 2026-02-18 00:27:12
● 2026-02-19 06:44:56
○ 2026-03-09 11:11:30

○A43.203.37.812026-02-18 → 2026-02-19 · 3 obs

● 2026-02-18 00:27:12
● 2026-02-19 06:44:56
○ 2026-03-09 11:11:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net...	-
cedulearn.com	ns-24.awsdns-03.com, ns-925.awsdns-51.net, ns-1770.awsdns-29.co.uk, ns-1376.awsdns-44.org	1 record

✅ Authoritative Response

Server: 205.251.192.24

NS records: ns-24.awsdns-03.com, ns-925.awsdns-51.net, ns-1770.awsdns-29.co.uk, ns-1376.awsdns-44.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cedulearn.com (unsigned zone)

⏱️ Timing

Total: 888ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.124.9.43, 13.209.152.172...`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-24.awsdns-03.com)

Analysis

IP Addresses

api.cedulearn.com maps to four IP numbers: 3.34.62.41, 13.124.9.43, 13.125.196.55 and 13.209.152.172.

Other host names, such as ec2-13-124-9-43.ap-northeast-2.compute.amazonaws.com, share IP numbers with api.cedulearn.com.

api.cedulearn.com - robtex.com