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79
Total
70
DNS
90
Email
65
Security
65
Network
100
Availability
Domaincheckli.com
IPv44
IPv60
MX records2
StatusActive
Domain technical report

Free Checklist Maker - Checkli

checkli.com

Try our free checklist maker tool, or discover and use our free checklist templates, published by thousands of productivity experts from all over the world.

Generated: 2026-08-10T03:01:53-05:00 · Cached result

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 policy0 / 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

82 day(s) remaining.

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

!
HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

PTR reverse DNS30 / 30 pts · Network

PTR: a7237f7840bdba0f5.awsglobalaccelerator.com

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)
99.83.183.127
15.197.246.237
52.223.46.195
3.33.193.101

AAAA

0 record(s)

Not configured

CNAME

0 record(s)

Not configured

MX

2 record(s)
10 in1-smtp.messagingengine.com.
20 in2-smtp.messagingengine.com.

TXT

4 record(s)
"google-site-verification=uiH71NyiCQbCKVyqx5NgMGs5KpMPDv3Sf1Li616NNZI"
"google-site-verification=q-qlPZtqU_QhnKHvc5veQYmcT4vEQfEdX34B3URTOG4"
"v=spf1 include:spf.messagingengine.com ?all"
"google-site-verification=0RNgLjO7vDEmXZjkJ0y5Am0TzM_QF9xZ5eUXmkTOU9k"

NS

4 record(s)
ns2.dnsimple-edge.net.
ns1.dnsimple-edge.com.
ns3.dnsimple-edge.io.
ns4.dnsimple-edge.org.

SOA

1 record(s)
ns1.dnsimple-edge.com. admin.dnsimple.com. 1489680734 86400 7200 604800 300

CAA

0 record(s)

Not configured

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.messagingengine.com ?all

DMARC

Configured
v=DMARC1; p=none;

DKIM

Selector k1
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDvNadpDyF2Je0AFcxVKgBloNcFnPbhnYT4XD33BhSochIsrKnou0xFh26nZB5/b0XI3oL7UtZOHPZ6EaN9vAhoyXFniotdimtcVQAR7PwkMuLrAVW/QL6fo/ViIzowm8qL6o0+QB9pATR8ENcg7vmglde2L2q3NoFoqw2KFw5orwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Free Checklist Maker - Checkli
Description
Try our free checklist maker tool, or discover and use our free checklist templates, published by thousands of productivity experts from all over the world.
Final URL
https://www.checkli.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.checkli.com/
Version
3
Server
Heroku
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
checkli.com
Valid from
2026-08-02T18:52:13-05:00
Valid until
2026-10-31T18:52:12-05:00
Days remaining
82
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

0 active
HSTSNot detected
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
15.197.246.237, 3.33.193.101, 52.223.46.195, 99.83.183.127
61,41 ms
Cloudflare
1.1.1.1
15.197.246.237, 3.33.193.101, 52.223.46.195, 99.83.183.127
262,25 ms
Quad9
9.9.9.9
15.197.246.237, 3.33.193.101, 52.223.46.195, 99.83.183.127
217,69 ms
OpenDNS
208.67.222.222
15.197.246.237, 3.33.193.101, 52.223.46.195, 99.83.183.127
96,57 ms
AdGuard
94.140.14.14
15.197.246.237, 3.33.193.101, 52.223.46.195, 99.83.183.127
291,29 ms

IP, geolocation and ASNAssociated network information

99.83.183.127

No data
success
No
country
region
city
asn
organization
isp

15.197.246.237

No data
success
No
country
region
city
asn
organization
isp

52.223.46.195

No data
success
No
country
region
city
asn
organization
isp

3.33.193.101

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

in1-smtp.messagingengine.com

Port 25: Closed/unreachable - 3.7 ms - 
Port 465: Closed/unreachable - 4023.3 ms - 
Port 587: Closed/unreachable - 4017.5 ms -

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