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87
Total
80
DNS
90
Email
88
Security
65
Network
100
Availability
Domainflipsnack.com
IPv44
IPv60
MX records5
StatusActive
Domain technical report

Online Flipbook Maker - Create Interactive Flipbooks | Flipsnack

flipsnack.com

Create flipbooks online using our interactive flipbook maker. Flipsnack is the easiest way to make brochures, magazines & catalogs. Upload PDF or design online!

Generated: 2026-08-08T20:55:17-05:00 · Cached result

JSONCSVPDFVisit site
IPv44
IPv60
MX5
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 chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓
CAA policy5 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 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

66 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: server-3-168-51-121.ord58.r.cloudfront.net

✓
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)
3.168.51.121
3.168.51.103
3.168.51.100
3.168.51.122

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

5 record(s)
5 alt2.aspmx.l.google.com.
10 aspmx3.googlemail.com.
10 aspmx2.googlemail.com.
1 aspmx.l.google.com.
5 alt1.aspmx.l.google.com.

TXT

12 record(s)
"atlassian-domain-verification=3nFPsn/DylBEZpxF1fqsS9TaHvg/f9Jiemu0TM0XE5r4gCcoCixMiqmuj2GoD/gA"
"stripe-verification=332a33725f0ab13f7d93bb5cbedf3cc7110b44354bafc4a4309ce02e30fd6e85"
"yahoo-verification-key=sWSp9U0QFJHyuQpjusLtRLdP8DFdshSORm0ycI6pGC8="
"cursor-domain-verification-y15gqp=0xKbCvJF6mhmuIrk9h1hBUv5r"
"hubspot-developer-verification=YjhlNzY5MDktNzVlYS00MzY4LTg5ODItYjQwOTc2ZmNmZDNh"
"v=spf1 include:amazonses.com include:_spf.google.com include:_spf.mailgun.org include:5585560.spf10.hubspotemail.net -all"
"google-site-verification=8lFEMY1WLJiYuwegDcpkIVqtVkPm4Th0YllNh7lnC1U"
"IR-a07099f375f1c29a85a4dbb7ff5b33f1c3c9551fd0e3231668f5d683438d36fd"
"apple-domain-verification=S0sL2nCA7arijWkI"
"openai-domain-verification=dv-emiMlgQop783eZXxJOPDRn79"
"stripe-verification=f22763534d7f8b97ba3ec56a9308f146602b7230f47e05ad9cfc3eb23795235c"
"stripe-verification=78f155fe74717808b1632616409b6e476d616937a0dd2ed8b73277af21581a65"

NS

4 record(s)
ns-1616.awsdns-10.co.uk.
ns-788.awsdns-34.net.
ns-1438.awsdns-51.org.
ns-249.awsdns-31.com.

SOA

1 record(s)
ns-1616.awsdns-10.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

6 record(s)
0 issue "letsencrypt.org"
0 issue "amazon.com"
0 issue "pki.goog"
0 issue "sectigo.com"
0 issue "digicert.com"
0 issuewild "amazon.com"

DS

1 record(s)
56698 13 2 6D61D48FA6E43C0DF08C0331EE5C82B8BEF8AED1A8AB46B340420212 6157056E

DNSKEY

3 record(s)
256 3 13 QiRctWlEBiGbn6ifR5IsQnwT6GF7GAEXV48pRbzh9QXsDb5dPg6sdsIS n97MHlvCbQJzdgyrky6ErqYiRXbK7g==
257 3 13 6LZZf44VDsttWTWo3NFYHKJs1c6ZKzvSV3LJICPTWGyhtQx1H+SHrW3i HAp8JMY1jBmqDXMMKIimzsd/4CT2Jw==
256 3 13 2lnHr8Ll/4Hw13TTj0OHkgI3Dgy2BSaZRODBELgW3popQwPlSg5FDV95 KBeZSAuZs9ak5y5fhRDNLkhJ9MNrmg==

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:amazonses.com include:_spf.google.com include:_spf.mailgun.org include:5585560.spf10.hubspotemail.net -all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:ipmuf4@ar.glockapps.com,mailto:dmarc@flipsnack.com; ruf=mailto:ipmuf4@fr.glockapps.com; fo=1; pct=100;

DKIM

Selector google
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCKt4gha1iH+kIntghwyNC4+EEus/C31HefhbyI9AKiXen7vrc7b64C653G6KOvPLZgBFt860uT0KbhH1nYlkz0bfIPf11sZPzbExl39bGjFzlCXN0HCH9m+CWcXCkh6DPNbG8VAsiIxg+6aRuKckjFGb6wUuAdxFapBGGDfM+3QIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Online Flipbook Maker - Create Interactive Flipbooks | Flipsnack
Description
Create flipbooks online using our interactive flipbook maker. Flipsnack is the easiest way to make brochures, magazines & catalogs. Upload PDF or design online!
Final URL
https://www.flipsnack.com/
HTTP status
200

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Amazon
CN
flipsnack.com
Valid from
2025-09-15T19:00:00-05:00
Valid until
2026-10-14T18:59:59-05:00
Days remaining
66
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

6 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
52.84.127.45, 52.84.127.56, 52.84.127.76, 52.84.127.82
95,77 ms
Cloudflare
1.1.1.1
3.168.51.100, 3.168.51.103, 3.168.51.121, 3.168.51.122
54,72 ms
Quad9
9.9.9.9
108.156.211.105, 108.156.211.25, 108.156.211.55, 108.156.211.63
74,39 ms
OpenDNS
208.67.222.222
52.84.127.45, 52.84.127.56, 52.84.127.76, 52.84.127.82
100,61 ms
AdGuard
94.140.14.14
108.157.142.32, 108.157.142.53, 108.157.142.62, 108.157.142.80
58,12 ms

IP, geolocation and ASNAssociated network information

3.168.51.121

No data
success
No
country
region
city
asn
organization
isp

3.168.51.103

No data
success
No
country
region
city
asn
organization
isp

3.168.51.100

No data
success
No
country
region
city
asn
organization
isp

3.168.51.122

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

alt2.aspmx.l.google.com

Port 25: Closed/unreachable - 1.1 ms - 
Port 465: Closed/unreachable - 4019.5 ms - 
Port 587: Closed/unreachable - 4017.1 ms -

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