`rescour-devmap.herokuapp.com`

DNSSEC	⚠️ Not signed
A	34.201.81.34^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
		PTR	`ec2-34-201-81-34.compute-1.amazonaws.com`
A	54.208.186.182^{🇺🇸 Amazon54.208.0.0/15 EC2 IAD prefix}
A	54.224.34.30^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
A	54.243.129.215^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}

`herokuapp.com`

	DNSSEC	🔒 Signed (DS record present)
	A	3.211.85.107^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
	A	54.175.253.198^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
	NS	`dns1.p03.nsone.net` ⭐
	NS	`dns2.p03.nsone.net`
	NS	`dns3.p03.nsone.net`
	NS	`dns4.p03.nsone.net`
	NS	`ns01.herokudns.net`
	NS	`ns02.herokudns.net`
	NS	`ns03.herokudns.net`
	NS	`ns04.herokudns.net`
	SOA	`dns1.p03.nsone.net`hostmaster@nsone.net serial=1661190037

rank #1152 globally
rank #637 in the tld
WOT: UNKNOWN (50/100)
📈 Tranco rank: #923

Heroku Cloud Platform

herokuapp.com is the application domain for Heroku, a Platform as a Service (PaaS) owned by Salesforce. Heroku enables developers to build, deploy, and scale web applications without managing infrastructure. Founded in 2007 and acquired by Salesforce in 2010, it pioneered the modern PaaS model and remains one of the most popular cloud application platforms.

Key Services

Multi-language support: Python, Node.js, Ruby, Java, Go, PHP, Scala, Clojure, and .NET
Heroku AI: AI/ML deployment capabilities
Heroku Data Services: Managed PostgreSQL, Redis, and Apache Kafka
Heroku Elements Marketplace: Add-ons and integrations

Hosting Infrastructure

IP Addresses: Hosted on Amazon AWS (AS14618)

- 3.213.223.130, 3.219.254.1, 3.234.55.11

Nameservers: Dual DNS configuration

- NSONE: dns1-4.p03.nsone.net

- Heroku DNS: ns01-04.herokudns.net

Security: DNSSEC enabled with secure validation

Rankings

Tranco: #1,039 globally
One of the most trafficked application hosting domains worldwide

DNS History

5 records (4 active, 1 former)

●A34.201.81.342026-04-23 → 2026-04-23 · 1 obs

● 2026-04-23 23:37:38

●A54.208.186.1822026-04-23 → 2026-04-23 · 1 obs

● 2026-04-23 23:37:38

●A54.224.34.302026-04-23 → 2026-04-23 · 1 obs

● 2026-04-23 23:37:38

●A54.243.129.2152026-04-23 → 2026-04-23 · 1 obs

● 2026-04-23 23:37:38

○CNAMEus-east-1-a.route.herokuapp.com2018-02-01 → 2018-02-01 · 2 obs

● 2018-02-01 03:54:46
○ 2026-04-23 23:37:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
herokuapp.com	dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net...	-

✅ Authoritative Response

Server:198.51.44.3

NS records: dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net, ns01.herokudns.net, ns02.herokudns.net, ns03.herokudns.net, ns04.herokudns.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 341ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`54.208.186.182, 34.201.81.34...`

Analysis

IP Addresses

rescour-devmap.herokuapp.com resolves to four IPs: 34.201.81.34, 54.208.186.182, 54.224.34.30 and 54.243.129.215.

Other host names, for instance cakecalc.herokuapp.com, group-project-assistance.herokuapp.com, rivernut.com, soulmix.herokuapp.com and wikiidea.herokuapp.com share IP numbers with rescour-devmap.herokuapp.com.

rescour-devmap.herokuapp.com - robtex.com