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Total

DNS

Email

Security

Network

100

Availability

Domainl3harris.com

IPv44

IPv60

MX records1

StatusActive

Domain technical report

L3Harris® Fast. Forward.

l3harris.com

At L3Harris, we anticipate and mitigate risk with agile end-to-end solutions that meet our customers' mission-critical needs across all domains.

Generated: 2026-08-12T13:52:25-05:00 · Cached result

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IPv44

IPv60

MX1

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

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

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 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

15 day(s) remaining.

Certificate lifetime6 / 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 DNS0 / 30 pts · Network

PTR not detected.

✓

IPv4 diversity35 / 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

4 record(s)

151.101.130.133
151.101.66.133
151.101.194.133
151.101.2.133

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

10 mx.l3harris.com.

TXT

14 record(s)

"hpe-greenlake-domain-verification=75707439582d56455861454734535570475231624f7554447752507449596262"
"_z4xsoaotcve6mtlb299msl1gl4ue6yv"
"google-gws-recovery-domain-verification=71992948"
"google-site-verification=lkU-t-APzWMkpQRSFyzwcjcQLG4a784ab4dVC4X2t7I"
"MS=ms54449370"
"ZOOM_verify_Ngh9oo3rQL-CWBGe1x86mQ"
"rvd4cjkq7hvbesa6gbjqhbs941"
"adobe-idp-site-verification=161231e151b6467d1362c69b682df071a916ac1f7b02dbed0140b6ccf2a4ff44"
"amazonses:a1LyDstgsN6RAuHGiapOvWzyaHSLNhxjPS0T9as63yI="
"_5l0zr0sg4gzn9s8wddhzgkbllefvk8h"
"v=spf1 ip4:128.170.196.0/25 ip4:192.52.235.128/28 ip4:128.170.61.64/28 ip4:192.52.235.32/27 ip4:128.170.207.0/24 ip4:35.169.203.92/32 " "ip4:52.227.183.169/32 ip4:52.227.164.238/32 ip4:128.170.60.25/32 ip4:192.160.117.25/32 include:spf.protection.outlook.com include:customers.clickdimensions.com -all"
"_globalsign-domain-verification=esDvs5Msz39F5o97VaHcZxyKR4A6NPHRpuo9du1Tro"
"data-" "atlassian-domain-verification=IbKMJpkj7Sh/jObp6moz9GSrZflgZaLm6L8yF7jaF95OpxFiS8GrjrRjMrC9aNWF"
"docusign=68777e8a-d2a7-4aaa-9deb-530c7c85eebe"

NS

4 record(s)

dns02.l3harris.com.
dns04.l3harris.com.
dns03.l3harris.com.
dns01.l3harris.com.

SOA

1 record(s)

mlb-ib-gm.net.harris.com. dnsadmin.harris.com. 379 10800 3600 2419200 900

SPF

Configured

v=spf1 ip4:128.170.196.0/25 ip4:192.52.235.128/28 ip4:128.170.61.64/28 ip4:192.52.235.32/27 ip4:128.170.207.0/24 ip4:35.169.203.92/32 ip4:52.227.183.169/32 ip4:52.227.164.238/32 ip4:128.170.60.25/32 ip4:192.160.117.25/32 include:spf.protection.outlook.com include:customers.clickdimensions.com -all

DMARC

Configured

v=DMARC1;p=reject;sp=reject;rua=mailto:66643f5e@mxtoolbox.dmarc-report.com;ruf=mailto:66643f5e@forensics.dmarc-report.com;

DKIM

Selector mail

v=DKIM1; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1YQp4lDvz5WnqpmEvMNPLrgVC7PwTdHoHMXeGphdwd6KriXosMSNLA9WnQb+Iyq+Ywb8VEA9bF+ADVkHzajNEnmJNspQVA7kSe12pufUgEFECZkbu4PKoyT42Jzq/hJmzVwHJRXXMJ+6xBG3Ex6VWZxgAC9GqTXrxGzUMIiVgPb26I4dVvuUYYQoaTqUYJ0esVmpxtoclJU47MQkNHuiUI2Hy/XkZJC+kTM9rsVVewF3uMqKJa3yejwqgH+9gCMdRG2f2SRYg42kNpSIlGu9X4hEtdDW0P01gOGj6nqNTnS4NCooBm4nHjZLuc4oM8OISgJ3vH3mbtd4ZXMiPQTimQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

L3Harris® Fast. Forward.

Description

At L3Harris, we anticipate and mitigate risk with agile end-to-end solutions that meet our customers' mission-critical needs across all domains.

Final URL

https://www.l3harris.com/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.l3harris.com/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Certainly

l3harris.com

Valid from

2026-07-28T16:21:48-05:00

Valid until

2026-08-27T16:21:47-05:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

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

151.101.130.133, 151.101.194.133, 151.101.2.133, 151.101.66.133

66,06 ms

Cloudflare

1.1.1.1

151.101.130.133, 151.101.194.133, 151.101.2.133, 151.101.66.133

85,14 ms

Quad9

9.9.9.9

151.101.130.133, 151.101.194.133, 151.101.2.133, 151.101.66.133

23,21 ms

OpenDNS

Visitor

216.73.216.220

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

mx.l3harris.com

Port 25: Closed/unreachable - 50.9 ms - 
Port 465: Closed/unreachable - 49 ms - 
Port 587: Closed/unreachable - 49 ms -

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