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91
Total
85
DNS
90
Email
88
Security
100
Network
100
Availability
Domainletsencrypt.org
IPv42
IPv62
MX records5
StatusActive
Domain technical report

Let's Encrypt

letsencrypt.org

Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our nonprofit work this year in our 2025 Annual Report.

Generated: 2026-08-08T18:11:04-05:00 · Cached result

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IPv42
IPv62
MX5
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

2 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

5 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

56 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: ec2-18-208-88-157.compute-1.amazonaws.com

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓
IPv6 connectivity35 / 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

2 record(s)
18.208.88.157
98.84.224.111

AAAA

2 record(s)
2600:1f18:16e:df01::258
2600:1f18:16e:df01::259

CNAME

0 record(s)
—

Not configured

MX

5 record(s)
5 alt1.aspmx.l.google.com.
10 aspmx2.googlemail.com.
5 alt2.aspmx.l.google.com.
1 aspmx.l.google.com.
10 aspmx3.googlemail.com.

TXT

3 record(s)
"pardot1011011=d160caff32c4415bb46bb82d8c50e5bea7ea1a74f5a149cb96bd952467266044"
"v=spf1 include:_spf.google.com ip4:23.178.112.0/24 ip4:66.133.109.36 ip4:64.78.152.132 include:mail.zendesk.com include:_spf.intacct.com -all"
"sending_domain1011011=f98c68e7636a708a1987c7b9da300d64a354041fa41ea2039fbb02bc18c4ed0f"

NS

2 record(s)
vera.ns.cloudflare.com.
owen.ns.cloudflare.com.

SOA

1 record(s)
owen.ns.cloudflare.com. dns.cloudflare.com. 2411094143 10000 2400 604800 1800

CAA

12 record(s)
0 issue "sectigo.com"
0 issue "amazon.com"
0 issue "letsencrypt.org"
0 issue "ssl.com"
0 issuewild "sectigo.com"
0 issuewild "amazon.com"
0 issuewild "ssl.com"
0 issuewild "pki.goog"
0 issuewild "www.digicert.com"
0 issue "www.digicert.com"
0 issue "pki.goog"
0 issuewild "letsencrypt.org"

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

NSEC

0 record(s)
—

Not configured

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 include:_spf.google.com ip4:23.178.112.0/24 ip4:66.133.109.36 ip4:64.78.152.132 include:mail.zendesk.com include:_spf.intacct.com -all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:re+2ea7a1650465@inbound.dmarcdigests.com; fo=1

DKIM

Selector google
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCEBV+uacEmkQqqZMwwF+Kv6oEvaPy/zDOancu+DAemWPty49Sc3PR7n+Il8JGnz8j0Ldv95ch9SGNVuvvRh5PRdoPdNsFjrfkxvSQsC7r1fXMxo2/QnYCTA9f42LB1PMgCUaqKPE3muAUWVq+6w07UTyrY9nCvtuXNm4GZvfAbfwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Let's Encrypt
Description
Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our nonprofit work this year in our 2025 Annual Report.
Final URL
https://letsencrypt.org/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://letsencrypt.org/
Version
3
Server
Netlify
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
letsencrypt.org
Valid from
2026-07-06T10:24:34-05:00
Valid until
2026-10-04T10:24:33-05:00
Days remaining
56
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

6 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
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
18.208.88.157, 98.84.224.111
62,79 ms
Cloudflare
1.1.1.1
18.208.88.157, 98.84.224.111
47,19 ms
Quad9
9.9.9.9
18.208.88.157, 98.84.224.111
39,40 ms
OpenDNS
208.67.222.222
18.208.88.157, 98.84.224.111
35,65 ms
AdGuard
94.140.14.14
18.208.88.157, 98.84.224.111
60,05 ms

IP, geolocation and ASNAssociated network information

18.208.88.157

No data
success
No
country
region
city
asn
organization
isp

98.84.224.111

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

alt1.aspmx.l.google.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4010.8 ms - 
Port 587: Closed/unreachable - 4020.2 ms -

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