Edge Footprint

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Tenable tenable.com

Not ranked in the Fortune 500 · SaaS · Cloud Software · TENB
Last scanned 2026-10-17 · next scan 2026-10-26 (each domain at most once a week)

Self-hosted + AWS Route 53DNS for tenable.com
SingleDNS providers: AWS Route 53, Self-hosted
Cloudflaremain CDN & security provider (56% traffic-weighted)
Yesmulti-cloud: AWS, Akamai, Cloudflare
17live of 32 hostnames checked

Full DNS records & evidence → NS, SOA, MX, TXT (SPF, verification tokens), CAA, CNAME chains, ASNs, headers and history per hostname

DNS

DNS, traffic-weighted: Tenable

AWS Route 53 70%Self-hosted 30%

DNS by hostname count: Tenable

AWS Route 53 69%Self-hosted 31%

Zones (2)

Each DNS zone that holds a scanned hostname: the domain apex, brand domains and any delegated subdomain. Two vendors on one zone = secondary DNS.

ZoneDNS providerNameserversHostnamesCritical
tenable.com primarySelf-hosted + AWS Route 53 secondaryns1.tenablesecurity.com ns2.tenablesecurity.com Inc. US ns3.tenablesecurity.com Inc. +11616
cloud.tenable.comAWS Route 53ns-1455.awsdns-53.org ns-1662.awsdns-15.co.uk ns-309.awsdns-38.com ns-673.awsdns-20.net11

CDN & Security

CDN & Security, traffic-weighted: Tenable

Cloudflare 56%AWS 42%Akamai 2.1%

CDN & security by hostname count: Tenable

Cloudflare 65%AWS 29%Akamai 5.9%

Hostname map

Every live hostname, 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 store developer / API marketing / support / downloads.

AWS hyperscaler · 5 hosts
AS14618 · AWS 54.156.0.0/14
tenable.comcommunity.tenable.comcareers.tenable.comjobs.tenable.com
AS16509 · AWS 18.238.236.0/22
status.tenable.com
Akamai CDN & security provider · 1 host
AS20940 · Akamai 23.46.228.0/24
investors.tenable.com
Cloudflare CDN & security provider · 11 hosts
AS13335 · Cloudflare 162.159.128.0/19, 104.16.48.0/20, 104.18.16.0/20 +1
shop.tenable.comstatic.tenable.comstore.tenable.comdocs.tenable.comwww.tenable.comapi.tenable.comdeveloper.tenable.comsupport.tenable.com

Key hostnames by role (CDN & security)

Hostnames (32)

Discovery: 31 fixed key names + Chrome UX Report origins + Certificate Transparency (none (crt.sh: TimeoutError: The operation was aborted due to tim; certspotter: Error: certspotter 429)). Tiers: primary = tenable.com and www; critical = customer-facing or revenue names (login, account, store, marketing/brand, support, developer, downloads) on any owned domain; other = remaining public names (low weight); internal = dev/test/mail/VPN-looking names, excluded from share. "CDN & Security" is the front door a visitor connects to (CDN/WAF or the cloud load balancer). Grey rows did not resolve. Weight = share of the company's traffic-weighted total.

HostnameTier / roleDNSCDN & securityCDN & security evidenceCNAME / IP · ASNHTTPWeight
tenable.comprimary
primary site
 Self-hosted AWS Route 53AWS Direct (AWS) (A 54.159.189.155 in published aws ranges)54.159.189.155
AS14618 · 54.156.0.0/14
30131.9%
cloud.tenable.com CrUX top 500,000critical
login / SSO
 AWS Route 53
zone cloud.tenable.com
Cloudflare Cloudflare (IP range) (A 162.159.130.83 in published cloudflare ranges; /cdn-cgi/trace valid (colo=SEA))162.159.130.83 162.159.129.83
AS13335 · 162.159.128.0/19 · CF SEA
2008.5%
account.tenable.comcritical
account
 Self-hosted AWS Route 53Cloudflare Cloudflare CDN (CNAME account.tenable.com.cdn.cloudflare.net; A 104.16.48.5 in published cloudflare ranges; A 104.16.48.5 in 104.16.48.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
account.tenable.com.cdn.cloudflare.net
AS13335 · 104.16.48.0/20 · CF SEA
3026.4%
shop.tenable.comcritical
store / checkout
 Self-hosted AWS Route 53Cloudflare Cloudflare (IP range) (A 104.18.31.133 in published cloudflare ranges; /cdn-cgi/trace valid (colo=SEA))partnerlinks.io
AS13335 · 104.18.16.0/20 · CF SEA
4046.4%
static.tenable.comcritical
downloads / static
 Self-hosted AWS Route 53Cloudflare Cloudflare CDN (CNAME static.tenable.com.cdn.cloudflare.net; A 104.16.48.5 in published cloudflare ranges; A 104.16.48.5 in 104.16.48.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
static.tenable.com.cdn.cloudflare.net
AS13335 · 104.16.48.0/20 · CF SEA
2006.4%
store.tenable.comcritical
store / checkout
 Self-hosted AWS Route 53Cloudflare Cloudflare (IP range) (A 104.16.243.229 in published cloudflare ranges; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
tenable-s.cleverbridge.com
AS13335 · 104.16.240.0/20 · CF SEA
3026.4%
docs.tenable.com CrUX top 1,000,000critical
developer / API
 Self-hosted AWS Route 53Cloudflare Cloudflare CDN (CNAME docs.tenable.com.cdn.cloudflare.net; A 104.16.48.5 in published cloudflare ranges; A 104.16.48.5 in 104.16.48.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
docs.tenable.com.cdn.cloudflare.net
AS13335 · 104.16.48.0/20 · CF SEA
2004.6%
www.tenable.com CrUX top 500,000critical
marketing / brand
 Self-hosted AWS Route 53Cloudflare Cloudflare CDN (CNAME www.tenable.com.cdn.cloudflare.net; A 104.16.49.5 in published cloudflare ranges; A 104.16.49.5 in 104.16.48.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
www.tenable.com.cdn.cloudflare.net
AS13335 · 104.16.48.0/20 · CF SEA
2004.3%
login.tenable.comcritical
login / SSO
 Self-hosted AWS Route 53Cloudflare Cloudflare CDN (CNAME login.tenable.com.cdn.cloudflare.net; A 104.16.48.5 in published cloudflare ranges; A 104.16.48.5 in 104.16.48.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
login.tenable.com.cdn.cloudflare.net
AS13335 · 104.16.48.0/20 · CF SEA
3024.3%
api.tenable.comcritical
developer / API
 Self-hosted AWS Route 53Cloudflare Cloudflare CDN (CNAME api.tenable.com.cdn.cloudflare.net; A 104.16.49.5 in published cloudflare ranges; A 104.16.49.5 in 104.16.48.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
AWS CloudFront (behind edge: x-amz-cf-* / via CloudFront)
api.tenable.com.cdn.cloudflare.net
AS13335 · 104.16.48.0/20 · CF SEA
4033.0%
developer.tenable.comcritical
developer / API
 Self-hosted AWS Route 53Cloudflare Cloudflare (IP range) (A 104.16.242.118 in published cloudflare ranges; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
ssl.readmessl.com
AS13335 · 104.16.240.0/20 · CF SEA
2003.0%
community.tenable.comcritical
support / help
 Self-hosted AWS Route 53AWS Direct (AWS) (A 54.159.189.155 in published aws ranges)wwwredir.tenable.com
AS14618 · 54.156.0.0/14
3012.8%
status.tenable.comcritical
support / help
 Self-hosted AWS Route 53AWS AWS CloudFront (IP range) (A 18.238.238.2 in published aws_cloudfront ranges; x-amz-cf-* / via CloudFront)9h81x7xgn2b9.stspg-customer.com
AS16509 · 18.238.236.0/22
2002.8%
support.tenable.comcritical
support / help
 Self-hosted AWS Route 53Cloudflare Cloudflare CDN (CNAME support.tenable.com.cdn.cloudflare.net; A 104.16.48.5 in published cloudflare ranges; A 104.16.48.5 in 104.16.48.0/20 originated by AS13335; /cdn-cgi/trace valid (colo=SEA))
Cloudflare Bot Management (cookie __cf_bm)
support.tenable.com.cdn.cloudflare.net
AS13335 · 104.16.48.0/20 · CF SEA
3022.8%
careers.tenable.comcritical
marketing / brand
 Self-hosted AWS Route 53AWS Direct (AWS) (A 54.159.189.155 in published aws ranges)wwwredir.tenable.com
AS14618 · 54.156.0.0/14
3012.1%
investors.tenable.comcritical
marketing / brand
 Self-hosted AWS Route 53Akamai Akamai (edgekey) (CNAME leapfrog-ssl-15400.edgekey.net; A 23.46.228.164 in 23.46.228.0/24 originated by AS20940; x-akamai-*/akamai-grn header)tenablenetworksecurity.gcs-web.com > leapfrog-ssl-15400.edgekey.net > e15400.dsca.akamaiedge.net
AS20940 · 23.46.228.0/24
2002.1%
jobs.tenable.comcritical
marketing / brand
 Self-hosted AWS Route 53AWS Direct (AWS) (A 54.159.189.155 in published aws ranges)wwwredir.tenable.com
AS14618 · 54.156.0.0/14
3012.1%
accounts.tenable.comcritical
account
 nxdomain
auth.tenable.comcritical
login / SSO
 nxdomain
cdn.tenable.comcritical
downloads / static
 nxdomain
checkout.tenable.comcritical
store / checkout
 nxdomain
developers.tenable.comcritical
developer / API
 nxdomain
investor.tenable.comcritical
marketing / brand
 nxdomain
ir.tenable.comcritical
marketing / brand
 nxdomain
my.tenable.comcritical
account
 nxdomain
news.tenable.comcritical
marketing / brand
 nxdomain
newsroom.tenable.comcritical
marketing / brand
 nxdomain
online.tenable.comcritical
login / SSO
 nxdomain
pay.tenable.comcritical
store / checkout
 nxdomain
secure.tenable.comcritical
login / SSO
 nxdomain
sso.tenable.comcritical
login / SSO
 nxdomain
m.tenable.comother
other
 nxdomain

History

First scan 2026-10-17. Share-over-time charts fill in with each weekly re-scan.

Claimed tech (job postings)

Tenable doesn't publish jobs through a public job-board API we use (Greenhouse, Lever or Ashby), so there's no claimed-tech signal yet.