`api.otabuilder.com`

DNSSEC	⚠️ Not signed
A	18.228.144.225^{🇧🇷 Amazon18.228.0.0/16 EC2 GRU prefix}
		PTR	`ec2-18-228-144-225.sa-east-1.compute.amazonaws.com`
A	18.228.198.0^{🇧🇷 Amazon18.228.0.0/16 EC2 GRU prefix}

`otabuilder.com`

	DNSSEC	⚠️ Not signed
	NS	`ns-1300.awsdns-34.org` ⭐
	NS	`ns-1944.awsdns-51.co.uk`
	NS	`ns-226.awsdns-28.com`
	NS	`ns-971.awsdns-57.net`
	SOA	`ns-1300.awsdns-34.org`awsdns-hostmaster@amazon.com serial=1

📈 Tranco rank: #421,121

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DNS History

4 records (2 active, 2 former)

●A18.228.144.2252026-04-12 → 2026-04-12 · 3 obs

○ 2026-04-04 07:47:32
● 2026-04-12 14:16:00
● 2026-04-12 14:16:02

●A18.228.198.02026-04-12 → 2026-04-12 · 3 obs

○ 2026-04-04 07:47:32
● 2026-04-12 14:16:00
● 2026-04-12 14:16:02

○A54.20.29.1722026-04-04 → 2026-04-04 · 3 obs

● 2026-04-04 07:47:32
○ 2026-04-12 14:16:00
○ 2026-04-12 14:16:02

○A54.207.244.682026-04-04 → 2026-04-04 · 3 obs

● 2026-04-04 07:47:32
○ 2026-04-12 14:16:00
○ 2026-04-12 14:16:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
otabuilder.com	ns-226.awsdns-28.com, ns-971.awsdns-57.net, ns-1300.awsdns-34.org, ns-1944.awsdns-51.co.uk	1 record

✅ Authoritative Response

Server:205.251.199.152

NS records: ns-226.awsdns-28.com, ns-971.awsdns-57.net, ns-1300.awsdns-34.org, ns-1944.awsdns-51.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for otabuilder.com (unsigned zone)

⏱️ Timing

Total: 235ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.20.0.219, 56.125.42.143`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-226.awsdns-28.com)

Analysis

IP Addresses

api.otabuilder.com points to two IP numbers: 18.228.144.225 and 18.228.198.0.

api.otabuilder.com - robtex.com