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Total

DNS

Email

Security

Network

100

Availability

Domaintenable.com

IPv41

IPv60

MX records2

StatusActive

Domain technical report

Vulnerability and exposure management | Cloud and AI security | Tenable®

tenable.com

The leader in exposure management and AI security, Tenable cybersecurity solutions reduce cyber risk across IT, OT, cloud, identity & hybrid attack surfaces.

Generated: 2026-08-09T11:00:57-05:00 · Cached result

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IPv41

IPv60

MX2

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

110 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-54-159-189-155.compute-1.amazonaws.com

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

54.159.189.155

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 us-smtp-inbound-1.mimecast.com.
10 us-smtp-inbound-2.mimecast.com.

TXT

29 record(s)

"jamf-site-verification=_O2pEWqOpALI7eS_dSV66A"
"postman-domain-verification=50380d45de6d54a2d098961909fc132a12c58d50e260586e8ba33438a6a8b286513a3d77ed0adae11d59bca4f2e9f60eb2f31f7f9756b3f51841f7354ebe8d30"
"happeo-site-verification=fc403e999a8b4f80a5c0c7ea59d9aac1"
"2295029"
"openai-domain-verification=dv-oR5hBU6DzZVCfrm2Rb8CcKaI"
"mongodb-site-verification=6cytGCbf6nHMLIrkAt0NzzCGUruLwGpq"
"docusign=01896691-46f6-42a7-89da-42203b74c164"
"atlassian-domain-verification=tfLnjYErcFyBHEAn5HHFsyHmRHOk8jKA8MsvuU5tmk4ksTNEFXoTF89d4jxWhYYN"
"google-site-verification=NQ51A02Hvzw45aMVkt8I_WWalY74CryagW8FxtkgMU4"
"atlassian-sending-domain-verification=b64f93bc-c961-439a-b5ea-0c7fa98e4362"
"loaderio=304cb40b43c10147ec18df636e5b1f14"
"google-site-verification=cAaJwNBUyRkwsXhHM9ccBNCUrbEiyCAycUpS-pLNDb0"
"adobe-idp-site-verification=dd57aac6628a70f8726e76946e94476a706a89bb5b527d7748641745d7680b08"
"google-site-verification=r0TQaECa04je1WAQC5Vr8J6haS_diT7XfJAP7b11JGc"
"apple-domain-verification=clcd7AntcH2Z4VX1"
"MS=ms70799374"
"_312osmhq9fb346u2hnchod2a06lkh2c"
"google-site-verification=hhYrinLheLXQftB07nvY5QsNwUwoquWT5BIGYCBV2m4"
"google-site-verification=7YJqFLUdqsi0wFltczJEGHRvk28370P3QUYeRb2lH80"
"v=spf1 redirect=1mz2szrz._spf._d.mim.ec"
"mongodb-site-verification=UuqqFhlLa2RRB9OenLCtShRnVG1oU1a9"
"vmware-cloud-verification-106effbe-74cc-4aaa-a87b-418fa8a1311a"
"docusign=039a7a49-7176-4b7b-bb58-d198685b7f4a"
"docker-verification=70eeb94b-709c-4f1e-b42b-22d8e1fbdeff"
"MS=ms17590469"
"hpe-greenlake-domain-verification=493731504b496a506a31484b586676587a394b787970596b79794e4947304b37"
"anthropic-domain-verification-ftf1s1=34hnt4QOYoo0eyF95YmmYg9kY"
"h1-domain-verification=gkC8dff3yPgSuCZRjPs4XJZGowM4HNsc2vGJLqGwuSWkzUKF"
"smartsheet-site-validation=aE-2DN7VhGhwmzQX6rYdQKbSYLQrs2OB"

NS

3 record(s)

ns2.tenablesecurity.com.
ns1.tenablesecurity.com.
ns3.tenablesecurity.com.

SOA

1 record(s)

ns1.tenablesecurity.com. hostmaster.tenable.com. 2026072595 10800 3600 2592000 900

CAA

8 record(s)

0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "amazon.com"
0 issue "ssl.com"
0 issue "letsencrypt.org"
0 issue "amazon.com"
0 issue "digicert.com"
0 issuewild "digicert.com"

DS

1 record(s)

47413 13 2 F40DA3839577BB6F80E22B51271FED08931F84D02249E84C1865D322 4B35ACC9

DNSKEY

2 record(s)

257 3 13 s585HUyRfTHnC+DaOp0RtdVYbIsW4xeRa7itPAMle0vsAAL9OOft8Ce0 jzHEsxSU0d269Wa4F6tewSxZME92DA==
256 3 13 I5YOxClpfN9EkdVlg3kpzpoUaYKLtyoIOaq5GiKz4ZqO3zyRRMqc6qyJ w7eLxXMaqEw29IAHxO91SO7WBSX/zg==

RRSIG

4 record(s)

NS 13 2 300 20260822034350 20260808032432 65002 tenable.com. CmsYLe/ZtqUEq2kwXfmeZyiiJXtZIaq/GtvJnqU0TEbmwGQh7ub905GX 9y+oCSLX/cQ6oh04k22MYsaFMSy4Qg==
TXT 13 2 300 20260821115743 20260807110222 65002 tenable.com. Sg9LqcjBzvZIghoy2LlE3rCPkc4gpWSfTamLsknoo7lensYhh5E7REto tp9VjWXpU1rppqJbeUS/KoG1A5w/Gg==
A 13 2 300 20260822034350 20260808032432 65002 tenable.com. N9AE5nVxc6PEBqXKZfGKxLP0+IssBLZTvQ+l2aIW5SsO/HxmuuLnU2eF BeYFCtpPv+tSlfGCKwC69l2vu+YJ6g==
DS 13 2 86400 20260814011714 20260807000714 41446 com. od8n9BtBRzpE/1u470wIJw5bFyfKHYb26d73Q1N3xuaTCyO6Iwk3v/1j B3emnYBYSCyAk23boFJGhn+ptfwzTw==

NSEC

1 record(s)

3427894.tenable.com. A NS SOA MX TXT RRSIG NSEC DNSKEY CDS CDNSKEY CAA

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 redirect=1mz2szrz._spf._d.mim.ec

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:0ec3895c2f37034@rep.dmarcanalyzer.com; ruf=mailto:0ec3895c2f37034@for.dmarcanalyzer.com; fo=1;

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtOAxlJ9IiXXVQ9NXXYG0UWu+sGa9T4Jnf5KRqhqR6QC77scD3Plx0AAA+dWl/x0dHMfgO3FgiDhAMBA4T/vivbMYvFtPgNd5MzgxxAnQZBQ0tG3Fzbsqw2QHSI92L/e8FzT9MPSlVYqa6yhjJp6YgjdP8ATeqzObAfcMNWkEQ9ndnntlkjR6mjTEgD6NGjsKhIsvZswenbSHOV9cjOeiXK3YK30yiN8ckJp04mAyu1wSNSl8mLqch7GdZbBGXaYI9gpTFrltq2m1V+BJdTeuTUswwFgSlELzs4pBbgWBieOQvyASbvlJk0B3kWMEFc1MSTDtcixle2ZjrHz9LwjAFQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Vulnerability and exposure management | Cloud and AI security | Tenable®

Description

The leader in exposure management and AI security, Tenable cybersecurity solutions reduce cyber risk across IT, OT, cloud, identity & hybrid attack surfaces.

Final URL

https://www.tenable.com/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.tenable.com/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

*.tenable.com

Valid from

2025-10-28T19:00:00-05:00

Valid until

2026-11-27T17:59:59-06:00

Days remaining

110

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

✓

Permissions PolicyImplemented

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

54.159.189.155

40,50 ms

Cloudflare

1.1.1.1

54.159.189.155

55,52 ms

Quad9

9.9.9.9

54.159.189.155

79,69 ms

OpenDNS

208.67.222.222

54.159.189.155

103,08 ms

AdGuard

94.140.14.14

54.159.189.155

160,56 ms

IP, geolocation and ASNAssociated network information

54.159.189.155

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

us-smtp-inbound-1.mimecast.com

Port 25: Closed/unreachable - 101.1 ms - 
Port 465: Closed/unreachable - 4018.9 ms - 
Port 587: Closed/unreachable - 28.5 ms - 220 us-smtp-inbound-1.mimecast.com ESMTP; Sun, 09 Aug 2026 12:00:57 -0400

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