`testcontainers.viewdocs.io`

DNSSEC	⚠️ Not signed
A	3.209.172.72^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
		PTR	`ec2-3-209-172-72.compute-1.amazonaws.com`
A	23.22.130.173^{🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix}
A	54.243.238.66^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
A	107.22.57.98^{🇺🇸 Amazon107.22.0.0/16 EC2 IAD prefix}
TXT	`ALIAS for viewdocs.herokuapp.com`

`viewdocs.io`

	DNSSEC	⚠️ Not signed
	A	3.209.172.72^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
	A	23.22.130.173^{🇺🇸 Amazon23.22.0.0/15 EC2 IAD prefix}
	A	54.243.238.66^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
	A	107.22.57.98^{🇺🇸 Amazon107.22.0.0/16 EC2 IAD prefix}
	NS	`ns1.dnsimple.com` ⭐
	NS	`ns2.dnsimple.com`
	NS	`ns3.dnsimple.com` ⚠️ Not in parent delegation
	NS	`ns4.dnsimple.com` ⚠️ Not in parent delegation
	TXT	`ALIAS for viewdocs.herokuapp.com`
	SOA	`ns1.dnsimple.com`admin@dnsimple.com serial=1435658927

rank #551454 globally
rank #4121 in the tld

Same first word

testcontainers.org

testcontainers.com

testcontainers.cloud

DNS History

4 records (4 active, 0 former)

●A107.22.57.982026-02-20 → 2026-03-01 · 2 obs

● 2026-02-20 22:41:54
● 2026-03-01 02:43:18

●A23.22.130.1732026-02-20 → 2026-03-01 · 2 obs

● 2026-02-20 22:41:54
● 2026-03-01 02:43:18

●A3.209.172.722026-02-20 → 2026-03-01 · 2 obs

● 2026-02-20 22:41:54
● 2026-03-01 02:43:18

●A54.243.238.662026-02-20 → 2026-03-01 · 2 obs

● 2026-02-20 22:41:54
● 2026-03-01 02:43:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	8 records
viewdocs.io	ns2.dnsimple.com, ns1.dnsimple.com	-

✅ Authoritative Response

Server: 162.159.24.4

NS records: ns2.dnsimple.com, ns1.dnsimple.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for viewdocs.io (unsigned zone)

⏱️ Timing

Total: 505ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.209.172.72, 23.22.130.173...`
TXT	1	`ALIAS for viewdocs.herokuapp.com`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a0.nic.io, a2.nic.io, b0.nic.io...)

Analysis

IP Addresses

testcontainers.viewdocs.io points to four IP numbers: 3.209.172.72, 23.22.130.173, 54.243.238.66 and 107.22.57.98.

For instance, other host names preorder-now.herokuapp.com, buildcodeplay.com, booktimewith.us, sharematch.herokuapp.com and leaptide.net share IP numbers with testcontainers.viewdocs.io.

testcontainers.viewdocs.io - robtex.com