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75
Total
70
DNS
90
Email
81
Security
65
Network
60
Availability
Domainprezi.com
IPv42
IPv60
MX records5
StatusActive
Domain technical report

Prezi | The AI presentation maker for engaging presentations

prezi.com

Welcome to Prezi, the presentation software that helps you stand out, bring your ideas to life, and create interactive presentations easier than ever.

Generated: 2026-08-08T19:37:04-05:00 · Cached result

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IPv42
IPv60
MX5
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 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

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

41 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: a4e50d959c612c45b.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 response0 / 40 pts · Availability

HTTP/2 406

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)
99.83.220.209
75.2.83.248

AAAA

0 record(s)
—

Not configured

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

9 record(s)
"MS=FE317A5F7628D7FDB19799B2977C89BCF07424CF"
"openai-domain-verification=dv-U71qSKn7QGknojN7VV8BW0n7"
"google-site-verification=3r5bfQ0C3sPh2RGY7OKZs93OSApxC1LCRV3PPzs1V3U"
"cisco-ci-domain-verification=1e8b2296c92604216973a2c57b095fecdcf6c3c8e266e733c889f35a89947c0b"
"zf7xczdk5287bv7spzbldgxy4zch353q"
"ps-cd-verification=b3f86f9a-6576-4897-a042-e3f9b8291691"
"v=spf1 ip4:82.150.225.79/32 ip4:52.38.191.241 mx include:_spf.google.com include:et._spf.pardot.com include:mailgun.org include:20307117.spf08.hubspotemail.net ~all"
"cisco-ci-domain-verification=61f1f26b04c160b447ea2b9f66645e2260bdf79e0de78fbbeb86ef0c415e2764"
"notion-domain-verification=ms2YzzIhtVeXVcuzJfTyRwwKiZWNDXmBasIHihdn3GZ"

NS

4 record(s)
ns-554.awsdns-05.net.
ns-1914.awsdns-47.co.uk.
ns-1218.awsdns-24.org.
ns-422.awsdns-52.com.

SOA

1 record(s)
ns-422.awsdns-52.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 150

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 ip4:82.150.225.79/32 ip4:52.38.191.241 mx include:_spf.google.com include:et._spf.pardot.com include:mailgun.org include:20307117.spf08.hubspotemail.net ~all

DMARC

Configured
v=DMARC1; p=reject; sp=reject; fo=1; rua=mailto:2jedph1x@ag.dmarcian.com,mailto:dmarc-reports+rua@prezi.com; ruf=mailto:2jedph1x@fr.dmarcian.com,mailto:dmarc-reports+ruf@prezi.com

DKIM

Selector google
v=DKIM1; k=rsa; t=y; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCLGFC6X5L0CBFTfS88Pz+dccoH9OOqnZl6NnFeMkhQEmqx2Dl34UfSXbXJmYUa5kV3ZTKP5T+7QLXAjhYnora6nXoq5KtakeE4fAGFTJmXDfq+Ww5JPJx3Ny4XuzGD6Xbkf6bp/n5xo74BbKe87vFyxKNiX15T0WFtdkjxqe5xuwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Prezi | The AI presentation maker for engaging presentations
Description
Welcome to Prezi, the presentation software that helps you stand out, bring your ideas to life, and create interactive presentations easier than ever.
Final URL
https://prezi.com/
HTTP status
200

HTTP

Status
HTTP/2 406
Final URL
https://prezi.com/
Version
3
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
prezi.com
Valid from
2025-08-20T19:00:00-05:00
Valid until
2026-09-19T18:59:59-05:00
Days remaining
41
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
✓
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
75.2.83.248, 99.83.220.209
72,38 ms
Cloudflare
1.1.1.1
75.2.83.248, 99.83.220.209
45,64 ms
Quad9
9.9.9.9
75.2.83.248, 99.83.220.209
50,79 ms
OpenDNS
208.67.222.222
75.2.83.248, 99.83.220.209
98,68 ms
AdGuard
94.140.14.14
75.2.83.248, 99.83.220.209
67,41 ms

IP, geolocation and ASNAssociated network information

99.83.220.209

No data
success
No
country
region
city
asn
organization
isp

75.2.83.248

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 - 1.6 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4015.6 ms -

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