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83
Total
95
DNS
70
Email
73
Security
70
Network
100
Availability
Domainsimdif.com
IPv43
IPv63
MX records1
StatusActive
Domain technical report

Create a Free Website with SimDif's Free Website Builder

simdif.com

The first website builder app with the same features on phones and computers

Generated: 2026-08-10T00:49:07-05:00 · Cached result

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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 chain15 / 15 pts · Dns

DS and DNSKEY detected.

!
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

39 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers8 / 35 pts · Security

2 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)
104.26.0.59
172.67.73.149
104.26.1.59

AAAA

3 record(s)
2606:4700:20::681a:13b
2606:4700:20::681a:3b
2606:4700:20::ac43:4995

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 mta01.simdif.com.

TXT

3 record(s)
"google-site-verification=p5ehz-MDS2ZGWXVJOJpVpnKOtksUI-jf91JtUoMTfH4"
"v=spf1 ip4:178.33.66.216 ip4:178.32.190.185 ip4:178.32.190.186 ~all"
"facebook-domain-verification=bbs58f9u0k2ju76dmpi65b5hynk9wp"

NS

2 record(s)
augustus.ns.cloudflare.com.
linda.ns.cloudflare.com.

SOA

1 record(s)
augustus.ns.cloudflare.com. dns.cloudflare.com. 2411477487 10000 2400 604800 1800

CAA

0 record(s)
—

Not configured

DS

1 record(s)
2371 13 2 468757F072729B4C685E166BFC1A2627438B2D353CAB51F48DC16BCD 5F7C3299

DNSKEY

2 record(s)
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

5 record(s)
SOA 13 2 1800 20260811064854 20260809044854 34505 simdif.com. ILx+N2sq1elruxXr9vIX5Qp4xk6bvIMyjiFxatIVMM8+iXa/ow8ke1jN GdzAxEfLO2Yg77wYGpFD6DHr2x4Cyg==
NS 13 2 86400 20260811064854 20260809044854 34505 simdif.com. QezTNmnmXWG2iJBdsBBrcYJRF/Ee667PYfnFugo4zDVV4nraWfORmOeF KxrXA0+xNerRybkz/ZFFdSFy2hJf/Q==
TXT 13 2 300 20260811064854 20260809044854 34505 simdif.com. +3jbDKIlb8aZVV+80QHxQRAXAzLXs5aVbMCYAhMauFc2qF1Ngf0nVhqs sSQTT/I0r7/2fFpfuWjC0x2frFpCfQ==
MX 13 2 300 20260811064854 20260809044854 34505 simdif.com. 81ALJVafA9d0viMfm46lQPUJmzuGiITxH2DyoL3kd9UUZTuAN/aSzkTb 8qEYXJKHSL1PJMeD6+DsLCyOp1en/g==
DS 13 2 86400 20260814015850 20260807004850 41446 com. pmbUKg+M62eKrazVcg2Tw+U3/NRxDFbdG5r3wQ0WbcBWVSpTavnggQ3x dV/YHXAlvvxRdFiXbFfRtWH9asxz6Q==

NSEC

1 record(s)
\000.simdif.com. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

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 ip4:178.33.66.216 ip4:178.32.190.185 ip4:178.32.190.186 ~all

DMARC

Configured
v=DMARC1; p=quarantine; rua=mailto:dmarc@simdif.com

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Create a Free Website with SimDif's Free Website Builder
Description
The first website builder app with the same features on phones and computers
Final URL
https://www.simdif.com/en/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.simdif.com/en/
Version
3
Server
cloudflare
X-Powered-By
PHP/7.4.8

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Google Trust Services
CN
simdif.com
Valid from
2026-06-20T14:26:04-05:00
Valid until
2026-09-18T15:25:56-05:00
Days remaining
39
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

2 active
✓
HSTSImplemented
—
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
104.26.0.59, 104.26.1.59, 172.67.73.149
76,69 ms
Cloudflare
1.1.1.1
104.26.0.59, 104.26.1.59, 172.67.73.149
53,20 ms
Quad9
9.9.9.9
104.26.0.59, 104.26.1.59, 172.67.73.149
32,36 ms
OpenDNS
208.67.222.222
104.26.0.59, 104.26.1.59, 172.67.73.149
17,10 ms
AdGuard
94.140.14.14
104.26.0.59, 104.26.1.59, 172.67.73.149
44,57 ms

IP, geolocation and ASNAssociated network information

104.26.0.59

No data
success
No
country
region
city
asn
organization
isp

172.67.73.149

No data
success
No
country
region
city
asn
organization
isp

104.26.1.59

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

mta01.simdif.com

Port 25: Closed/unreachable - 6.5 ms - 
Port 465: Closed/unreachable - 4022.9 ms - 
Port 587: Closed/unreachable - 4016 ms -

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