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89
Total
100
DNS
90
Email
77
Security
70
Network
100
Availability
Domainonesignal.com
IPv42
IPv62
MX records5
StatusActive
Domain technical report

Customer Engagement Platform for Email, Push… - OneSignal

onesignal.com

The world's leader for mobile push notifications, web push, SMS, email and in-app messaging. Trusted by 2 million+ businesses to send 12 billion+ messages per…

Generated: 2026-08-10T13:03:52-05:00 · Cached result

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IPv42
IPv62
MX5
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 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 policy5 / 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

31 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers12 / 35 pts · Security

3 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

2 record(s)
104.17.111.223
104.16.160.145

AAAA

2 record(s)
2606:4700::6810:a091
2606:4700::6811:6fdf

CNAME

0 record(s)
—

Not configured

MX

5 record(s)
1 aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.

TXT

8 record(s)
"anthropic-domain-verification-k5t6pn=lsC27lGHqKpiTRFWnvJeLSXRY"
"google-site-verification=qitpgMqKs98-OLQzyM4zF8er917Lb9bZOqtTK3zyWm0"
"v=spf1 include:_spf.google.com include:_spf.salesforce.com include:mktomail.com include:_spf.sendergen.com ~all"
"google-site-verification=ec5fD3h6tTmwxiZ3eWf33qoWz74gL4QRzWKA_BwGEwQ"
"google-site-verification=Hq-wazHrRqgmvaPYhMGOQ5Wu9_F7q29KtO2_XZFBnao"
"google-site-verification=pllKmUS3w9kTdUlvl4BhMMAhQR8NJpRHpE2zU46bUwU"
"google-site-verification=yLfPcFr56Lg5lnFCxjVpl1FV4wCzCyfhLk0i3VBlgJE"
"miro-verification=f1dfeb470361b0d434d09126d0befa76e3f33e79"

NS

2 record(s)
vin.ns.cloudflare.com.
gail.ns.cloudflare.com.

SOA

1 record(s)
gail.ns.cloudflare.com. dns.cloudflare.com. 2411692785 10000 2400 604800 1800

CAA

11 record(s)
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issue "letsencrypt.org"
0 issue "comodoca.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issue "ssl.com"
0 issuewild "letsencrypt.org"
0 issuewild "ssl.com"
0 iodef "mailto:security@onesignal.com"

DS

1 record(s)
2371 13 2 23435F712B2C7C1B5020F034E2460658CD6D66DA81C28D889A284358 AF6D7EB6

DNSKEY

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

RRSIG

6 record(s)
DNSKEY 13 2 3600 20261007163800 20260807163800 2371 onesignal.com. CkkUTvcWSnaFEqbAgREx21ZYZhY291c7yKEuI3whGqaI/r2oO+Ttr8mt UgC3Ycz8UPHu8yubdGKHNxfWlsj9bA==
MX 13 2 300 20260811190343 20260809170343 34505 onesignal.com. 9cR1K6SEAy6crD9GGatOPFnmesdbTAcMGe3TUd+sICBAFVJDbA/E8jMX WWt2pI1YtfIAxVlTEdqu0Ih8tS4Ctw==
NS 13 2 86400 20260811173100 20260809153100 34505 onesignal.com. ZbqpT/cGgOedwvwAPz8nNtb6gacGeDH/wBLR4GDqCyvPyOVUArzGysOA PbBALbK1jLSCZvwkxG+cILXkE0xo3w==
AAAA 13 2 300 20260811185859 20260809165859 34505 onesignal.com. IOyoEXYZ/SUTHhD6lz5sJbwik2+PsZEL6nvbsYX2QPZyweU3DrVnC5Ud WFnZ9Fup+rDr9fWGVXJrAC10zxxk8A==
A 13 2 300 20260811185859 20260809165859 34505 onesignal.com. NpLuK48SFgmWvOsO5n23JQXe1WsGjwtpvxA75/pkaf/m808AQy9ysfkh 4QfmyDOjLVstEvVTzYIrEHRfXWzqmw==
DS 13 2 86400 20260815011629 20260808000629 41446 com. 0lYGEDCTEYq7eI2JDI3uVRs3wJyZSyiUKd5FzxjsAdg4pK6s56yZfaRD 6az8ApPpOu/nzV9GCefXPUHaj62pug==

NSEC

1 record(s)
\000.onesignal.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 include:_spf.google.com include:_spf.salesforce.com include:mktomail.com include:_spf.sendergen.com ~all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:mailauth-reports@onesignal.com,mailto:crxgophv@ag.dmarcian.com; ruf=mailto:crxgophv@fr.dmarcian.com;

DKIM

Selector google
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwaFTs4Az9xqxLWhBnvoMSXyaYuaW0JUJox6TIOxnXiF9+NvNDR5PiMIwP+fhlE3a/JWFpPljWNWcGb1OE6I6ukFm2uTI6rKBbHEvWaDabeL8lnPrZ5wDyjg+OE82XhGP32VkpdCoyIS6DKF5k62VRS5DA7Hd7T+YsklHAB8cqEJjgkWUvE9uaLpmkB1prOhOOjOwDjobqsd2S0it49+LPCV1D24+5K3naEV18n1g5ES47dZ3bjsBqwzrv3b7sfgK3qmXHM7kkkcuvBMEt4GcGcGOnNBLE1puA1cFHCJGVa4bPuxUBRkzAiURDmU6F2mtScZpTEAB1fUGo3V7v7ht0wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Customer Engagement Platform for Email, Push… - OneSignal
Description
The world's leader for mobile push notifications, web push, SMS, email and in-app messaging. Trusted by 2 million+ businesses to send 12 billion+ messages per…
Final URL
https://onesignal.com/
HTTP status
200

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Google Trust Services
CN
onesignal.com
Valid from
2026-06-13T11:06:41-05:00
Valid until
2026-09-11T12:06:32-05:00
Days remaining
31
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

3 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
✓
X-Frame-OptionsImplemented
✓
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
104.16.160.145, 104.17.111.223
46,69 ms
Cloudflare
1.1.1.1
104.16.160.145, 104.17.111.223
18,53 ms
Quad9
9.9.9.9
104.16.160.145, 104.17.111.223
23,89 ms
OpenDNS
208.67.222.222
104.16.160.145, 104.17.111.223
30,16 ms
AdGuard
94.140.14.14
104.16.160.145, 104.17.111.223
58,15 ms

IP, geolocation and ASNAssociated network information

104.17.111.223

No data
success
No
country
region
city
asn
organization
isp

104.16.160.145

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

aspmx.l.google.com

Port 25: Closed/unreachable - 23.5 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f1a6e113si8836888fac.79 - gsmtp
Port 465: Closed/unreachable - 4016.7 ms - 
Port 587: Closed/unreachable - 4021 ms -

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