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81
Total
85
DNS
90
Email
65
Security
55
Network
100
Availability
Domaincaddyserver.com
IPv41
IPv61
MX records3
StatusActive
Domain technical report

Caddy - The Ultimate Server with Automatic HTTPS

caddyserver.com

Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go

Generated: 2026-08-08T23:17:07-05:00 · Cached result

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IPv41
IPv61
MX3
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

1 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

3 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

34 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 DNS0 / 30 pts · Network

PTR not detected.

i
IPv4 diversity20 / 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

1 record(s)
165.227.20.207

AAAA

1 record(s)
2604:a880:2:d0::21b0:6001

CNAME

0 record(s)
—

Not configured

MX

3 record(s)
50 mx3.zoho.com.
10 mx.zoho.com.
20 mx2.zoho.com.

TXT

3 record(s)
"v=spf1 include:mxsspf.sendpulse.com ~all"
"v=spf1 include:zoho.com include:servers.mcsv.net ~all"
"zoho-verification=zb14563515.zmverify.zoho.com"

NS

2 record(s)
pearl.ns.cloudflare.com.
pranab.ns.cloudflare.com.

SOA

1 record(s)
pearl.ns.cloudflare.com. dns.cloudflare.com. 2410341923 10000 2400 604800 1800

CAA

10 record(s)
0 issue "comodoca.com"
0 issuewild "ssl.com"
0 issuewild "letsencrypt.org"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issue "ssl.com"
0 issue "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:mxsspf.sendpulse.com ~all

DMARC

Configured
v=DMARC1; p=quarantine; adkim=s; aspf=s; rua=mailto:17adbb2d787647909a275e274a680131@dmarc-reports.cloudflare.net

DKIM

Selector k1
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUoNyIR4Bn84LVcfZE20rmDeXQblIupNWBqLXM1Q+VieI/eZu/7k9/vOkLSaQQdml4Cv8lb3PcnluMVIhQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Caddy - The Ultimate Server with Automatic HTTPS
Description
Caddy is a powerful, enterprise-ready, open source web server with automatic HTTPS written in Go
Final URL
https://caddyserver.com/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://caddyserver.com/
Version
3
Server
Caddy
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
caddyserver.com
Valid from
2026-06-14T08:44:28-05:00
Valid until
2026-09-12T08:44:27-05:00
Days remaining
34
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
165.227.20.207
75,94 ms
Cloudflare
1.1.1.1
165.227.20.207
33,40 ms
Quad9
9.9.9.9
165.227.20.207
42,72 ms
OpenDNS
208.67.222.222
165.227.20.207
109,34 ms
AdGuard
94.140.14.14
165.227.20.207
95,51 ms

IP, geolocation and ASNAssociated network information

165.227.20.207

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

mx3.zoho.com

Port 25: Closed/unreachable - 8.3 ms - 
Port 465: Closed/unreachable - 4025.2 ms - 
Port 587: Closed/unreachable - 4019.9 ms -

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