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Total

DNS

100

Email

Security

Network

Availability

Domainlitmus.com

IPv44

IPv60

MX records2

StatusActive

Domain technical report

All-in-One Email Marketing Platform | Tools to Drive Success

litmus.com

Litmus is the all-in-one email marketing platform that provides the tools and solutions your team needs to make every send count.

Generated: 2026-08-09T16:05:13-05:00 · Cached result

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IPv44

IPv60

MX2

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 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-STS5 / 5 pts · Mail

Mail transport policy.

✓

TLS-RPT5 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

14 day(s) remaining.

Certificate lifetime2 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers4 / 35 pts · Security

1 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 response0 / 40 pts · Availability

HTTP/2 404

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

4 record(s)

151.101.131.52
151.101.3.52
151.101.195.52
151.101.67.52

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

5 record(s)

"MS=ms89995433"
"pardot1088342=d7dc6bb43c013da53696ea37eb6b9cb592871e32b8036c13f5fcebd4ffc805f7"
"docusign=ccfb3281-c94b-43a4-84e8-e3d4df5b0fd0"
"v=spf1 ip4:52.3.30.231 ip4:50.233.29.58 include:_spf.google.com include:_spf.salesforce.com include:stspg-customer.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all"
"status-page-domain-verification=txyghy4c2qh7"

NS

4 record(s)

ns-1511.awsdns-60.org.
ns-583.awsdns-08.net.
ns-251.awsdns-31.com.
ns-1844.awsdns-38.co.uk.

SOA

1 record(s)

ns-583.awsdns-08.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

5 record(s)

0 issue "globalsign.com"
0 issue "letsencrypt.org"
0 issue "certainly.com"
0 issue "amazon.com"
0 issue "digicert.com"

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:52.3.30.231 ip4:50.233.29.58 include:_spf.google.com include:_spf.salesforce.com include:stspg-customer.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com ~all

DMARC

Configured

v=DMARC1; p=quarantine; pct=100; rua=mailto:c25a1b3c@in.mailhardener.com; ruf=mailto:c25a1b3c@in.mailhardener.com; sp=quarantine; aspf=r; fo=1:d:s;

DKIM

Selector google

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDF5tISegQWcKYcMLHmt8mt5Rf718XBikXKcDrQZRRFUZcyhvqEoCyaiCrrxVfkNiRRQoL6vc90nW1oVlzOyioQWcSke10QAlZHNVIaBw6f38VYBnoQePp75/YUWBJLeARmo7BYhqOTTm+L1S65nFmsOVl8Zr3ne7T8GqhJKZzZ/wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

All-in-One Email Marketing Platform | Tools to Drive Success

Description

Litmus is the all-in-one email marketing platform that provides the tools and solutions your team needs to make every send count.

Final URL

https://www.litmus.com/

HTTP status

200

HTTP

Status

HTTP/2 404

Final URL

https://litmus.com/

Version

Server

Litmus

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Certainly

*.litmus.com

Valid from

2026-07-25T00:02:07-05:00

Valid until

2026-08-24T00:02:06-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

1 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

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

151.101.131.52, 151.101.195.52, 151.101.3.52, 151.101.67.52

57,13 ms

Cloudflare

1.1.1.1

151.101.131.52, 151.101.195.52, 151.101.3.52, 151.101.67.52

49,71 ms

Quad9

9.9.9.9

151.101.131.52, 151.101.195.52, 151.101.3.52, 151.101.67.52

64,56 ms

OpenDNS

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 - 1.2 ms - 
Port 465: Closed/unreachable - 4018.1 ms - 
Port 587: Closed/unreachable - 59.2 ms - 220 us-smtp-inbound-1.mimecast.com ESMTP; Sun, 09 Aug 2026 17:05:13 -0400

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