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Total

DNS

Email

Security

Network

Availability

Domaindune.com

IPv42

IPv62

MX records5

StatusActive

Domain technical report

Just a moment...

dune.com

Generated: 2026-08-10T23:05:57-05:00 · 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 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

62 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers31 / 35 pts · Security

8 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 response0 / 40 pts · Availability

HTTP/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

172.66.155.28
104.20.25.149

AAAA

2 record(s)

2606:4700:10::ac42:9b1c
2606:4700:10::6814:1995

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

1 aspmx.l.google.com.
10 alt4.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.

TXT

7 record(s)

"cdn.webflow.com"
"v=spf1 include:_spf.google.com include:amazonses.com include:mail.zendesk.com include:141496265.spf10.hubspotemail.net include:spf.xledger.net -all"
"google-site-verification=Bvit7apEvaXSqivEi53-4dpny7DO8rsjFebmPzAqO48"
"f8740ce3-d8e9-4a26-a4cf-0678e5698231=4b152c4f44a6add43a266469c8c96693c26794924c3e0b477e0800ac16ee68a5"
"TAILSCALE-csQXArp8Mb5EuUqPkDex"
"google-site-verification=C0726i12C-tmbAJThprgNe1D_NfpK8R16PtyVkqhbxo"
"google-site-verification=hLGND9mObmHo3j-b8-Yklen8wgCDtAvxYc9PfTI9yx4"

NS

2 record(s)

lara.ns.cloudflare.com.
craig.ns.cloudflare.com.

SOA

1 record(s)

craig.ns.cloudflare.com. dns.cloudflare.com. 2411514547 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

1 record(s)

2371 13 2 ACBBCBB55096FD9F20DF2575B7A1BEA53458F8DC80076E004847C9D7 1FE677C8

DNSKEY

2 record(s)

257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

4 record(s)

DNSKEY 13 2 3600 20261005150722 20260805150722 2371 dune.com. DnUw0mOTUsLZyaU6k68zcN742JZekY89Lo6jhnswnpoY2eo3TOkTOa0r I+i8zrlDKg12WLKyHEA5D39rTUbGMw==
TXT 13 2 60 20260812050547 20260810030547 34505 dune.com. taFthm9tDvjyfROL6lMfIKZXgfO06+rI7mzWWaKftUIKm5u9fUiJmye/ DU6TX0Vpc/eODpj03ZPyuVqKiZPUkQ==
NS 13 2 86400 20260812035249 20260810015249 34505 dune.com. NFZksCq46VLlyoM4whg5bR1k/8MuQ36MI2vV8iwqk/zyrbfcEMqQvJ/j L7RqoyUjO1PUTTwBfxnHOZrp7B5h1A==
DS 13 2 86400 20260817025426 20260810014426 41446 com. wXKBP0nz3Mj0M6T5A6UR/nQBuzstVwe27VhVVtdA1B/vueI3OdY6TZW3 CcUlnBHTvNLIfoEsXY2UY2Z6XfRbTQ==

NSEC

1 record(s)

\000.dune.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:amazonses.com include:mail.zendesk.com include:141496265.spf10.hubspotemail.net include:spf.xledger.net -all

DMARC

Configured

v=DMARC1;p=reject;ruf=mailto:dmarc-reports@dune.com

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmVj+WaJU0QTzalenPDkCmoaT+nFS0pF7Ck+KGA8JOrtvFwNCV5+QIBr9XbDciNw1weBeBJAdrCoaO26auLQBmlDMIL79overf+PEDGZb4dTvsqdX1MBgsEUx092sZga3j8RiOrKjCz6K7i3hEq4q5MWajV2WnJlyNtaIbdOtI9g54bfzi8XBIItxRLb5c7O3+8KgE8wsjWZrfKA4L7fRZzAl3+NmYlmhZSTmpzZh5B8NaiHoJ6Jy3UBv22aNp6PX6DGpzvOPuFStCSHK7qv3F5bb0+QW7xs28HUwcdlb66ChAdVS8KUQwnttUnovqYZ73kDfHIvVYmHvqBZ2S5MdyQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Just a moment...

Description

Final URL

https://dune.com/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://dune.com/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

dune.com

Valid from

2026-07-14T14:29:13-05:00

Valid until

2026-10-12T15:29:11-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

8 active

—

HSTSNot detected

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

✓

Permissions PolicyImplemented

✓

Cross-Origin-Opener-PolicyImplemented

✓

Cross-Origin-Embedder-PolicyImplemented

✓

Cross-Origin-Resource-PolicyImplemented

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

104.20.25.149, 172.66.155.28

53,73 ms

Cloudflare

1.1.1.1

104.20.25.149, 172.66.155.28

19,34 ms

Quad9

9.9.9.9

104.20.25.149, 172.66.155.28

26,53 ms

OpenDNS

208.67.222.222

104.20.25.149, 172.66.155.28

45,70 ms

AdGuard

94.140.14.14

104.20.25.149, 172.66.155.28

77,62 ms

IP, geolocation and ASNAssociated network information

172.66.155.28

No data

success

country

region

city

asn

organization

isp

104.20.25.149

No data

success

country

region

city

asn

organization

isp

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

aspmx.l.google.com

Port 25: Closed/unreachable - 22.1 ms - 220 mx.google.com ESMTP 006d021491bc7-6b0a017e641si319450eaf.55 - gsmtp
Port 465: Closed/unreachable - 4019 ms - 
Port 587: Closed/unreachable - 4006.9 ms -

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