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Total

DNS

Email

Security

Network

Availability

Domainapp.google

IPv40

IPv60

MX records1

StatusActive

Domain technical report

app.google

Generated: 2026-08-08T21:22:57-05:00 · Cached result

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IPv40

IPv60

MX1

NS4

DiagnosticsMain findings and recommendations

IPv4 (A)0 / 30 pts · Dns

0 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 policy5 / 5 pts · Dns

Certificate authority restriction.

DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

SPF0 / 25 pts · Mail

SPF policy not found.

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 certificate0 / 55 pts · Security

No valid certificate was retrieved.

Certificate lifetime0 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity0 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

DNS resolution0 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

0 record(s)

—

Not configured

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 smtp.google.com.

TXT

1 record(s)

"google-site-verification=IANSwhd1Hi0T7AWCjJ48KuWnW3CibtlHVWibC6TXs60"

NS

4 record(s)

ns2.zdns.google.
ns1.zdns.google.
ns3.zdns.google.
ns4.zdns.google.

SOA

1 record(s)

ns1.zdns.google. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300

CAA

1 record(s)

0 issue "pki.goog"

DS

0 record(s)

—

Not configured

DNSKEY

2 record(s)

257 3 8 AwEAAei9bqLhUssr62ac+sSeryS55R6ZZtPboEubCFptrV84og9fp+dM vOBBtYpqrjQ9cCYkwJxgQnOitQSt1ZaLuppT/vGqVBM17BEHbUy2BIu+ Lw1tCz8ZLub4S7RSwOHB1r6R+90YoLlFsfpuN8ijWVBjr6cG/wXVx358 9Y2G35IC4kzr2kJKTusVO/9ZBqXN6KF12YtOJJXGi8ANPk2jKNqth4bQ GTXMT/CWPNHCgMFpvZKEZ8HyvBL9zQjCVKA8aBC/YvDtD9I1HzSzoRV/ RDO7hLWuXOiAjcoMUxRamYnu7YS6llXXP02gbsXAm0MiQDMMXbPRRxAQ J9mtbvDlNEE=
256 3 8 AwEAAYUEF510Sq0Q0u1B45W0Vuaa4kRvZlK83mJfpWoMMlxLOQ0B4jRE FWh+3P5Xjo1NPjNMVloNG9bDtd3NpjjXVD0qEY4ZrLaRzqXFdE2UouM1 fVCk0LrRuyhSxfWynTh/eYATTWeNbuJr3dV7BweTAqefXAsA2cxa4GOt OdZdUoab

RRSIG

4 record(s)

DNSKEY 8 2 300 20260828234824 20260806234824 27202 app.google. plEf84wiRvWvJ0E1vXIh+dH1HSxWIMAXXa82seAgQoDoZSoGgSyhQQhX Ap4Y4AycUWmNE4Bvo5wHj0s/BvyIHSl7Hw47pu/HEG62wE2jQq/bl+1P hArTS2Gj2EOg+hmqz/ElU/t8M513N3apzk0qDGoxzxFK0+1Ot7UYqmaw y5I59NDKoT62OrR2hZEaee/xWSs8rWXV6LgsRkfncZg+P6giCOB/ikH1 MfcEeHa9m5iQCL7lWqovK2LRagviJ31Iq9eIw9eCs4e9tj8/4/rF5Kxy nZ/oUK3QAT6OODlUJ6WBevNXI8TgmEq11Mj4GOx8TbT4PXDWcaHpTo2F RvAHVA==
SOA 8 2 21600 20260828234824 20260806234824 7105 app.google. aE2yjWJ7BPSmpcFhS4tGF5CjJbPTtKAQltfYtEEwG43Evt4f/qk5SOBy Dd/vmo7hZtKLhQBQ4Dvew7CUTkAPomQRVBEg2QJ5JtU50JV/XBU2e01J w29gLPXv+skGOGp7UKvtisoRwO+rwL4+yYJybHRHCaHXW5MAvIH7Yktp CbQ=
MX 8 2 300 20260828234824 20260806234824 7105 app.google. ElnE9ac5kKoL4NmfrVMmxoZHZjRsZPrGOnapLrucVa2tPls0Vb0mMAmw 3Eaeb027lZzhddeTAsI+SBDTY4zC79XjhOkci29BWpwe3Dq+UYrvtUwR hYqARin1YrE1c61GAlrQuv/LlkMrsCUQjPo5ypSHU2DPA0YJnFQPsMF9 Nq8=
NS 8 2 21600 20260828234824 20260806234824 7105 app.google. Wc7Qa6/j84ZVoOrluoYNCs3ZxGOZZdSN7HVVpiko0epcVdkA/weyeNSn lHz5nw20Jq7Tyf8SRyOoIeXG0VFQqRud+/rnAKuxlIBiSX/VtkASfS8d N+ZUOI7cWvWxSLkBrW8X/0TmlX6FpYrnmf8nIGSjs4hR9h9Gr15WC4C2 CbU=

NSEC

1 record(s)

*.app.google. NS SOA MX TXT RRSIG NSEC DNSKEY CDS CAA

NSEC3

0 record(s)

Final URL

https://app.google/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Unavailable

Available

Issuer

Valid from

Valid until

Days remaining

Protocol

Cipher

Security headers

0 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

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

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

63,25 ms

Cloudflare

1.1.1.1

123,21 ms

Quad9

9.9.9.9

102,05 ms

OpenDNS

208.67.222.222

100,76 ms

AdGuard

94.140.14.14

161,86 ms

IP, geolocation and ASNAssociated network information

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

smtp.google.com

Port 25: Closed/unreachable - 22.3 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f1a6e113si5319624fac.79 - gsmtp
Port 465: Closed/unreachable - 4001.5 ms - 
Port 587: Closed/unreachable - 4020.7 ms -

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