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Total

DNS

Email

Security

Network

100

Availability

Domaintk.de

IPv41

IPv60

MX records2

StatusActive

Domain technical report

Ihre Krankenversicherung: Techniker Krankenkasse - Die Techniker

tk.de

Innovative Leistungen, voller Krankenversicherungsschutz, persönliche Beratung. Entdecken Sie Ihre Vorteile bei der Techniker.

Generated: 2026-08-10T00:01:41-05:00 · Cached result

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IPv41

IPv60

MX2

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

2 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

75 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/1.1 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

193.22.182.160

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mail2.tk.de.
10 mail1.tk.de.

TXT

15 record(s)

"MS=5273D5ED3BCE235595E2D527CB3AC7E48DE6F140"
"apple-domain-verification=JXwETNz9i1NLxyuk"
"google-site-verification=rD6oe54Yfnzrzk0hGEjb_uAHfvCWqqn6A9YLq7DCYkA"
"protonmail-verification=f929d948cee9c3be361d9f379ad8980d9d476a10"
"google-site-verification=sxlSg6N2a3XdS4mQgpsx6btFHCaik75zXbMHZCgvajU"
"atlassian-domain-verification=WW1JyR10xqSD4OFWPzh0OYRgDoyRpePcyaQN3P3N3HMQ6ePTRtyl9CEXkaRrKtbd"
"teamviewer-sso-verification=f01df7c732f14f76b4410e8b4288d269"
"r/CbeFty0ygpDb+0sPymCHV45LteVSrVsVv5R34XRx66An1KuvXcfUyehjQcqltjKgHOp/EswB5kn1+n3QR1Iw=="
"v=spf1 mx ip4:193.22.181.142 ip4:193.22.181.143 ip4:193.22.181.155 ip4:193.201.168.38/32 ip4:193.201.168.170/31 ip4:77.73.253.114 ip4:77.73.253.115 ip4:46.28.184.125 ip4:85.199.138.66 ip4:178.77.125.109 ip4:85.237.86.64 ip4:213.61.228.132 ip4:85.237.85.48" " ip4:87.230.106.226 ip4:84.246.127.43 ip6:2a01:488:42:1000:57e6:6ae2::/96 include:_spf.general.transactional-mail-a.com include:agenturserver.de include:spf.qb-feedback.com include:spf.mailjet.com include:performind.com include:spf.protection.outlook.com " "-all"
"google-site-verification=7TES_fWzkmeB7bdZaN1cN2f6oy5uKoECyvGAKbWUeHA"
"D-TRUST=HE2IKWF23RJ4TGYZOHU3E9E"
"D-TRUST=OCZOHYLKCFESKHH33O2KB58"
"mindmanager-verification=ae77e4efc3d1e69d6e14f7f826f171412d38895fb3d804aaa46e233bbf70249a"
"x2c4w4lhzl9x87n426hyjfjj7zfldtqy"
"workplace-domain-verification=X121blMOg4syjtT1mlc2zRU01Fmf78"

NS

4 record(s)

d.ns14.net.
a.ns14.net.
c.ns14.net.
b.ns14.net.

SOA

1 record(s)

a.ns14.net. hostmaster.versatel.de. 2026072800 86400 28800 3600000 86400

SPF

Configured

v=spf1 mx ip4:193.22.181.142 ip4:193.22.181.143 ip4:193.22.181.155 ip4:193.201.168.38/32 ip4:193.201.168.170/31 ip4:77.73.253.114 ip4:77.73.253.115 ip4:46.28.184.125 ip4:85.199.138.66 ip4:178.77.125.109 ip4:85.237.86.64 ip4:213.61.228.132 ip4:85.237.85.48 ip4:87.230.106.226 ip4:84.246.127.43 ip6:2a01:488:42:1000:57e6:6ae2::/96 include:_spf.general.transactional-mail-a.com include:agenturserver.de include:spf.qb-feedback.com include:spf.mailjet.com include:performind.com include:spf.protection.outlook.com -all

DMARC

Configured

v=DMARC1; p=quarantine; pct=100; rua=mailto:dmarc@tk.de; sp=none

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC/HJgmp+B+tStFiJvtkaGSwF0xEb4waincOy3j5CjAEjlJH9qTZU4er3RimQ12XEgpP+VKBS/wMxG+J119wyMbNnvh+U8rUhzI9uu5towjg+8qBgdWU8v6StNBC+TEV7FyePchTHzmTK/u2jgqmFrAVZyHGJ4gVIv1BSJlUGOaZwIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Ihre Krankenversicherung: Techniker Krankenkasse - Die Techniker

Description

Innovative Leistungen, voller Krankenversicherungsschutz, persönliche Beratung. Entdecken Sie Ihre Vorteile bei der Techniker.

Final URL

https://www.tk.de/techniker

HTTP status

200

HTTP

Status

HTTP/1.1 200

Final URL

https://www.tk.de/techniker

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

www.tk.de

Valid from

2026-04-08T19:00:00-05:00

Valid until

2026-10-24T18:59:59-05:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES256-GCM-SHA384

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

—

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

193.22.182.160

87,36 ms

Cloudflare

1.1.1.1

193.22.182.160

45,96 ms

Quad9

9.9.9.9

193.22.182.160

50,30 ms

OpenDNS

208.67.222.222

193.22.182.160

64,67 ms

AdGuard

94.140.14.14

193.22.182.160

67,38 ms

IP, geolocation and ASNAssociated network information

193.22.182.160

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

mail2.tk.de

Port 25: Closed/unreachable - 0.6 ms - 
Port 465: Closed/unreachable - 4020.3 ms - 
Port 587: Closed/unreachable - 4020.4 ms -

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