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78
Total
80
DNS
70
Email
69
Security
70
Network
100
Availability
Domainmail-tester.com
IPv43
IPv63
MX records1
StatusActive
Domain technical report

Newsletters spam test by mail-tester.com

mail-tester.com

Check your newsletter's spam score and quality.This tool's free, and pretty

Generated: 2026-08-10T11:01:31-05:00 · Cached result

JSONCSVPDFVisit site
IPv43
IPv63
MX1
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

3 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

3 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 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.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

85 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
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 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

3 record(s)
104.26.1.117
172.67.69.216
104.26.0.117

AAAA

3 record(s)
2606:4700:20::681a:175
2606:4700:20::681a:75
2606:4700:20::ac43:45d8

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
1 reception.mail-tester.com.

TXT

2 record(s)
"v=spf1 -all"
"google-site-verification=-zW0U410e65i50C2jqi0JeTGx5o1Lklnvrkh1M03fac"

NS

2 record(s)
jessica.ns.cloudflare.com.
piotr.ns.cloudflare.com.

SOA

1 record(s)
jessica.ns.cloudflare.com. dns.cloudflare.com. 2411793392 10000 2400 604800 1800

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 -all

DMARC

Configured
v=DMARC1;p=reject;rua=mailto:3d6afa2b78@rua.easydmarc.asia;ruf=mailto:3d6afa2b78@ruf.easydmarc.asia;fo=1;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Newsletters spam test by mail-tester.com
Description
Check your newsletter's spam score and quality.This tool's free, and pretty
Final URL
https://mail-tester.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://mail-tester.com/
Version
3
Server
cloudflare
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Google Trust Services
CN
mail-tester.com
Valid from
2026-08-06T00:42:07-05:00
Valid until
2026-11-04T00:42:04-06:00
Days remaining
85
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

1 active
—
HSTSNot detected
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
—
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
104.26.0.117, 104.26.1.117, 172.67.69.216
68,66 ms
Cloudflare
1.1.1.1
104.26.0.117, 104.26.1.117, 172.67.69.216
20,46 ms
Quad9
9.9.9.9
104.26.0.117, 104.26.1.117, 172.67.69.216
28,82 ms
OpenDNS
208.67.222.222
104.26.0.117, 104.26.1.117, 172.67.69.216
55,13 ms
AdGuard
94.140.14.14
104.26.0.117, 104.26.1.117, 172.67.69.216
68,84 ms

IP, geolocation and ASNAssociated network information

104.26.1.117

No data
success
No
country
region
city
asn
organization
isp

172.67.69.216

No data
success
No
country
region
city
asn
organization
isp

104.26.0.117

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

reception.mail-tester.com

Port 25: Closed/unreachable - 2.9 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 97.6 ms -

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