`progrium.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 #522270 globally
rank #4083 in the tld

Same first word

progrium.com

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mirgroup.com

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DNS History

4 records (4 active, 0 former)

●A107.22.57.982026-03-29 → 2026-05-12 · 2 obs

● 2026-03-29 18:54:02
● 2026-05-12 06:59:58

●A23.22.130.1732026-03-29 → 2026-05-12 · 2 obs

● 2026-03-29 18:54:02
● 2026-05-12 06:59:58

●A3.209.172.722026-03-29 → 2026-05-12 · 2 obs

● 2026-03-29 18:54:02
● 2026-05-12 06:59:58

●A54.243.238.662026-03-29 → 2026-05-12 · 2 obs

● 2026-03-29 18:54:02
● 2026-05-12 06:59:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
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: 590ms | Queries: -

📄 Records

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

Analysis

IP Addresses

Four IP numbers are pointed to by progrium.viewdocs.io: 3.209.172.72, 23.22.130.173, 54.243.238.66 and 107.22.57.98.

other host names including tailgate32.herokuapp.com, dev-lunch.herokuapp.com, usc-intranet.herokuapp.com, adhearsion.com and cmg-subscribe.herokuapp.com share IP numbers with progrium.viewdocs.io.

progrium.viewdocs.io - robtex.com