Constellation Energy constellationenergy.com Partial data, full scan by Nov 1
Fortune 500 rank #178 · Utilities · Energy · CEG
Last scanned 2026-10-19 · next scan Sun, Nov 1
Full DNS records & evidence → NS, MX, mail and SPF senders, verification vendors, certificate authorities, CNAME chains, ASNs and history per hostname
AI vendors verified: None found · AI vendors →
DNS
DNS, traffic-weighted: Constellation Energy
DNS by hostname count: Constellation Energy
Zones (1)
Each DNS zone that holds a scanned hostname: the domain apex, brand domains and any delegated subdomain. Two vendors on one zone = secondary DNS.
| Zone | DNS provider | Nameservers | Hostnames | Key |
|---|---|---|---|---|
| constellationenergy.com primary | Azure DNS | ns1-38.azure-dns.com ns2-38.azure-dns.net ns3-38.azure-dns.org ns4-38.azure-dns.info | 2 | 0 |
CDN & Security
CDN & Security, traffic-weighted: Constellation Energy
CDN & security by hostname count: Constellation Energy
Hostname map
The live hostnames from the table below, grouped by the provider in front of it and the network (ASN and BGP prefix) its address belongs to. Colored borders mark roles: primary site login / account store developer / API marketing / support / downloads.
Key hostnames by role (CDN & security)
- primary site: Unknown AWS
- login / SSO: none found
- account: none found
- store / checkout: none found
- marketing / brand: none found
- support / help: none found
- developer / API: none found
- downloads / static: none found
Hostnames (2)
Found through brand research, browser traffic data (Chrome UX Report) and certificate logs. Tiers: primary = constellationenergy.com and www; key = customer-facing or revenue names (login, account, store, marketing/brand, support, developer, downloads) on any owned domain; other = remaining public names (low weight); internal = staff-only names, not listed here and not counted in share. "CDN & Security" is the CDN, WAF or cloud load balancer a visitor connects to first. Grey rows did not resolve. Weight = share of the company's traffic-weighted total.
| Hostname | Tier / role | DNS | CDN & security | CDN & security evidence | CNAME / IP · ASN | Weight |
|---|---|---|---|---|---|---|
| constellationenergy.com | primary primary site primary site · CDN & security Unknown · DNS Azure DNS · 50.0% |
Azure DNS | Unknown | Unknown (AS10953) (no CDN/WAF/cloud signal (AS10953)) F5 BIG-IP (seen in the HTTP response) | 159.214.199.37 AS10953 · 159.214.199.0/24 | 50.0% |
| www.constellationenergy.com | primary primary site primary site · CDN & security AWS · DNS Azure DNS · 50.0% |
Azure DNS | AWS | AWS ELB (CNAME constneweng65-prod-870060595.us-east-1.elb.amazonaws.com; A 3.211.216.106 in published aws ranges; A 3.211.216.106 in 3.208.0.0/12 originated by AS14618) | constneweng65-prod-870060595.us-east-1.elb.amazonaws.com AS14618 · 3.208.0.0/12 | 50.0% |
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History
Trend charts start once two weeks of history build up.
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