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Total

DNS

Email

Security

Network

Availability

Domaintdg.ch

IPv42

IPv62

MX records5

StatusActive

Domain technical report

tdg.ch

Generated: 2026-08-10T11:56:48-05:00 · 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 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

40 day(s) remaining.

✓

Certificate lifetime10 / 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 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

No successful HTTP response.

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

104.18.1.23
104.18.0.23

AAAA

2 record(s)

2606:4700::6812:117
2606:4700::6812:17

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

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

TXT

9 record(s)

"google-site-verification=GmaBxgnyzH_5yiWYSGrqTYr5XtL3CUQgvqfZRf3tKXg"
"ca3-c3002e8a50414111b39237c526e7b21e"
"docusign=301f137a-7e92-44b6-9ee5-f03e69924951"
"ZOOM_verify_QULwIJH7INapMLfhk9l5mi"
"google-site-verification=nhPtUYPqJaB5CL3Pr_Jr5YeaUCELhf9fBW2_j90NrF4"
"v=spf1 include:spf.tdg.ch.eu-i5xs0ljo.e1.dspf.app -all"
"miro-verification=845bda1ec8ccc9b317c419337dea3505f78009e5"
"google-site-verification=IfZHQboyZOKDoYQvPfGZh7G_0e3ea9NJDb-GAYfxZ1k"
"google-site-verification=6nq6DxinTfmmrs3c1oZapBJduP6t9Qmw4OEn-oa_f7w"

NS

2 record(s)

becky.ns.cloudflare.com.
porter.ns.cloudflare.com.

SOA

1 record(s)

becky.ns.cloudflare.com. dns.cloudflare.com. 2411531679 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

1 record(s)

NSEC 13 2 900 20260831045041 20260805093210 48631 ch. tgy+iXp0PVy+H6fWU8vLwSy2mK/jhx0XmJSmet5Oo9Gu0VLJ8YlCYjlb fXt324J55uit4Gq4MRdhS//bYBnF3A==

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.tdg.ch.eu-i5xs0ljo.e1.dspf.app -all

DMARC

Configured

v=DMARC1; p=quarantine; rua=mailto:i5xs0ljo@rua.eu.dmarcmanager.app; ruf=mailto:i5xs0ljo@ruf.eu.dmarcmanager.app; fo=1

DKIM

Selector google

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC8KrR2RU5mheS5yfvoYDFyjxUw6ABBPZ4aUM3QCcWGcTwk5MaQf1d99GIro61ZTpcLHg9Aad7GAuQAKZAWXKKbVP01FEhrGaU+Wz6J6RjcvdE1u0hHPieY5pOkK9UqCYRhSLcdt3Ip3sK6uy2i6u2FNtivRcTrGaZwnoKE1K4ekQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

No data

Title

Description

Final URL

https://tdg.ch/

HTTP status

HTTP

Status

Final URL

https://www.tdg.ch/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

tdg.ch

Valid from

2026-06-21T15:16:27-05:00

Valid until

2026-09-19T16:16:14-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

104.18.0.23, 104.18.1.23

99,70 ms

Cloudflare

1.1.1.1

104.18.0.23, 104.18.1.23

172,90 ms

Quad9

9.9.9.9

104.18.0.23, 104.18.1.23

54,86 ms

OpenDNS

208.67.222.222

104.18.0.23, 104.18.1.23

39,69 ms

AdGuard

94.140.14.14

104.18.0.23, 104.18.1.23

87,06 ms

IP, geolocation and ASNAssociated network information

104.18.1.23

No data

success

country

region

city

asn

organization

isp

104.18.0.23

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

alt1.aspmx.l.google.com

Port 25: Closed/unreachable - 0.8 ms - 
Port 465: Closed/unreachable - 4020.6 ms - 
Port 587: Closed/unreachable - 4021.3 ms -

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