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71
Total
75
DNS
45
Email
65
Security
65
Network
100
Availability
Domaincreatesend1.com
IPv42
IPv60
MX records2
StatusActive
Domain technical report

An error has occurred

createsend1.com

Generated: 2026-08-10T01:24:42-05:00 · Cached result

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IPv42
IPv60
MX2
NS5

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

5 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

2 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
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

2 day(s) remaining.

i
Certificate lifetime2 / 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 DNS30 / 30 pts · Network

PTR: ec2-52-8-34-0.us-west-1.compute.amazonaws.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 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

2 record(s)
52.8.34.0
13.56.30.207

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
5 mx21.inbound.createsend.com.
5 mx20.inbound.createsend.com.

TXT

3 record(s)
"mailru-verification: 737217d61ecc9799"
"google-site-verification=X0_RocpvwGWVBoyvs1p37OELiZA5BVo4OZ9uX3w1sSA"
"v=spf1 ip4:103.28.42.0/24 ip4:27.126.146.0/24 ip4:146.88.28.0/24 ip4:163.47.180.0/22 ip4:203.55.21.0/24 ip4:204.75.142.0/24 ~all"

NS

5 record(s)
ns3.dnsmadeeasy.com.
ns0.dnsmadeeasy.com.
ns4.dnsmadeeasy.com.
ns2.dnsmadeeasy.com.
ns1.dnsmadeeasy.com.

SOA

1 record(s)
ns0.dnsmadeeasy.com. dns.dnsmadeeasy.com. 2008010366 43200 3600 1209600 180

CAA

1 record(s)
0 issue "digicert.com"

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 ip4:103.28.42.0/24 ip4:27.126.146.0/24 ip4:146.88.28.0/24 ip4:163.47.180.0/22 ip4:203.55.21.0/24 ip4:204.75.142.0/24 ~all

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
An error has occurred
Description
Final URL
https://createsend1.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://createsend1.com/
Version
3
Server
csw
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.createsend1.com
Valid from
2025-08-10T19:00:00-05:00
Valid until
2026-08-12T18:59:59-05:00
Days remaining
2
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

2 active
—
HSTSNot detected
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
—
X-Frame-OptionsNot detected
✓
Referrer PolicyImplemented
—
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
13.56.30.207, 52.8.34.0
61,20 ms
Cloudflare
1.1.1.1
13.56.30.207, 52.8.34.0
46,50 ms
Quad9
9.9.9.9
13.56.30.207, 52.8.34.0
50,59 ms
OpenDNS
208.67.222.222
13.56.30.207, 52.8.34.0
51,66 ms
AdGuard
94.140.14.14
13.56.30.207, 52.8.34.0
60,92 ms

IP, geolocation and ASNAssociated network information

52.8.34.0

No data
success
No
country
region
city
asn
organization
isp

13.56.30.207

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

mx21.inbound.createsend.com

Port 25: Closed/unreachable - 8.3 ms - 
Port 465: Closed/unreachable - 4027.1 ms - 
Port 587: Closed/unreachable - 51.6 ms - Connected to inbound.creatsend.com.

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