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89
Total
80
DNS
90
Email
84
Security
100
Network
100
Availability
Domainngrok.com
IPv45
IPv65
MX records5
StatusActive
Domain technical report

ngrok: deliver your apps, APIs, and AI on local and prod

ngrok.com

ngrok is developer infrastructure that routes and secures traffic to your apps, APIs, and AI models, wherever they run. Start on localhost, ship to prod.

Generated: 2026-08-10T06:56:46-05:00 · Cached result

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IPv45
IPv65
MX5
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

5 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

5 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

51 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: ec2-3-146-191-207.us-east-2.compute.amazonaws.com

✓
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

5 record(s)
3.146.191.207
3.132.12.59
3.129.163.177
3.142.203.218
3.151.74.4

AAAA

5 record(s)
2600:1f16:d83:1201:4ccb:2ed6:4a93:be0a
2600:1f16:d83:1202:438c:84b3:40aa:97fd
2600:1f16:d83:1201:c953:41f3:3c38:19e5
2600:1f16:d83:1200:6a2d:ad69:7777:82e8
2600:1f16:d83:1202:1c20:375c:78fe:3781

CNAME

0 record(s)
—

Not configured

MX

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

TXT

15 record(s)
"MS=ms54638992"
"m5lbtxv1wb9mmqn8gb77l0fzqw4574s9"
"v=spf1 include:_spf.google.com include:mailgun.org include:_spf.salesforce.com include:mail.zendesk.com -all"
"hubspot-domain-verification=MTRjYTdiYzAtYmMxOS00ODYwLWIxMTQtMTE4NDQyMmU2OThl"
"segment-site-verification=7ovxCnLsFAO7peWlZAapBteMUioR56oX"
"stripe-verification=4ae5785d7d47bb67658101049e139e565355fdbe0b74c80f8b10d1b68ed07397"
"sinch-domain-verification=68b65413-731f-4609-8031-0da08dec78be"
"MS=4E68497F7FE0C52FFF9AA21759F98DA9C7851559"
"google-site-verification=ovDe-z_kNvjU3KOAl35kjVW3OtBZc9HVvz7fXlrZZdA"
"google-site-verification=NuaXoaJOg65EEby46q68Tk2MjKJbImfQvgF8ZWWIyFc"
"google-site-verification=EqI946zEUkMi7c2lszohdzuH3WjS6gqFweBukIRk1hk"
"postman-domain-verification=4804e876c6d1fe01133ac3ca13ead25cb5583892a095b6daa04f89daa865bb2f053797f99bb93df00a008d9c9a4374e09551f86b7cf50625e3932dba31101a9d"
"anthropic-domain-verification-rsnnnx=j1KXArx1t88aeN8QRyoGFIPG1"
"apple-domain-verification=nWajJXKaTl4E15Wp"
"zapier-domain-verification-challenge=688083e7-4e0a-46d1-bb3b-afba59813e07"

NS

4 record(s)
ns-1191.awsdns-20.org.
ns-985.awsdns-59.net.
ns-299.awsdns-37.com.
ns-1552.awsdns-02.co.uk.

SOA

1 record(s)
ns-1552.awsdns-02.co.uk. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

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 include:_spf.google.com include:mailgun.org include:_spf.salesforce.com include:mail.zendesk.com -all

DMARC

Configured
v=DMARC1; p=reject; sp=reject; pct=100; fo=1; adkim=r; aspf=r; rua=mailto:dmarc-reports@ngrok.com; ruf=mailto:dmarc-reports@ngrok.com; ri=86400

DKIM

Selector google
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC+oojvnEcNNpi+m2GtvT+94ZyoJv1EjWD9uuFNBbDBvJZzA+5ooaauW8nnX9bI2ImilfFy2fUc3mpHJlaZIySeAR0TWRKja5wd4Gh6JEsJUyNzN2RUAD/S6zNWyGb9FQWmII9Pxle5aF2xwy2s1jTDU1bcOFw8OC9QCCc5T7tVEQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
ngrok: deliver your apps, APIs, and AI on local and prod
Description
ngrok is developer infrastructure that routes and secures traffic to your apps, APIs, and AI models, wherever they run. Start on localhost, ship to prod.
Final URL
https://ngrok.com/
HTTP status
200

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
ngrok.com
Valid from
2026-07-02T11:16:58-05:00
Valid until
2026-09-30T11:16:57-05:00
Days remaining
51
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

5 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
—
X-Frame-OptionsNot detected
✓
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
3.129.163.177, 3.132.12.59, 3.142.203.218, 3.146.191.207, 3.151.74.4
46,12 ms
Cloudflare
1.1.1.1
3.129.163.177, 3.132.12.59, 3.142.203.218, 3.146.191.207, 3.151.74.4
18,91 ms
Quad9
9.9.9.9
3.129.163.177, 3.132.12.59, 3.142.203.218, 3.146.191.207, 3.151.74.4
52,37 ms
OpenDNS
208.67.222.222
3.129.163.177, 3.132.12.59, 3.142.203.218, 3.146.191.207, 3.151.74.4
75,83 ms
AdGuard
94.140.14.14
3.129.163.177, 3.132.12.59, 3.142.203.218, 3.146.191.207, 3.151.74.4
129,53 ms

IP, geolocation and ASNAssociated network information

3.146.191.207

No data
success
No
country
region
city
asn
organization
isp

3.132.12.59

No data
success
No
country
region
city
asn
organization
isp

3.129.163.177

No data
success
No
country
region
city
asn
organization
isp

3.142.203.218

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

alt3.aspmx.l.google.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4011 ms - 
Port 587: Closed/unreachable - 4020.9 ms -

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