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Total

DNS

Email

Security

Network

100

Availability

Domainhaufe.de

IPv43

IPv60

MX records3

StatusActive

Domain technical report

Haufe. Intelligenz, die bewegt.

haufe.de

Haufe unterstützt Mitarbeiter und Unternehmen mit Wissen, Tools und Lösungen auch in herausfordernden Zeiten. Jetzt mehr erfahren.

Generated: 2026-08-09T18:36:51-05:00 · Cached result

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IPv43

IPv60

MX3

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

3 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 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

3 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-RPT5 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

216 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ec2-63-181-17-211.eu-central-1.compute.amazonaws.com

✓

IPv4 diversity35 / 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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

3 record(s)

63.181.17.211
63.181.45.9
18.185.43.11

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

3 record(s)

10 mail.haufe.de.
20 mail2.haufe.de.
30 mail3.haufe.de.

TXT

17 record(s)

"2020100620212333o94q3l2197yg8tdplyysp9otb11wlbft5eci1aw6ziszi35q"
"MS=ms97268259"
"MS=ms44163394"
"t4plp3qqby7frdvsbhwbdggy6xy60svt"
"bkDLsJ8NWESMhXDjENY0mkmt3BIkeDJ0sQ7FGhFiWreHNzXxGpMdiHWUO99qzqANRXD7Q6o4cTx3K3gJsdg7zA=="
"v=spf1 +mx include:adns.haufe.de ip4:185.150.244.238 ip4:20.52.209.98 ip4:217.31.84.77 ip4:217.31.86.164 ip4:217.31.84.34 ip4:84.17.184.240/28 ip4:18.196.4.250 ~all"
"google-site-verification=Aa2R1El1t-k-C6qr_cWQNe-5iBmiMC5hY27HnSFwEWA"
"MS=ms39507417"
"_rzlbwtvbgujhycf2q99hj9ars90vnux"
"202010150055291gjvab6gnx2orxwm5peqaa3cp3caw6rzeru9jptmfdkj0g6szx"
"google-site-verification=iAfZ6S74YtjPuII36z63xiTaG2XkUpyzvnzhvlVJ72s"
"00D24000000GyjS=1TBQF0000000Gxd"
"00D0Q0000008dSF=1TB9Z0000000Mer"
"_7mipv7pdul328juvn5kghd7wp9lruay"
"_gxwn9zy7bi7ond2xilvc3v0svqektj6"
"swisssign-check=srdB2VXwO0BGQsgAEB4geS4Ocr8"
"00D9V00000Q1EA2=1TB9V0000000WCn"

NS

2 record(s)

ns2.haufegroup.com.
ns1.haufegroup.de.

SOA

1 record(s)

ns1.haufegroup.de. dnsmanager.haufe-lexware.com. 1786103266 14400 1800 1209600 3600

CAA

0 record(s)

—

Not configured

DS

1 record(s)

56333 13 2 AAB2865DB848C9FABD1FDC346BBB8E9BDEE372E66DCC8D5D551FF5BA ECBECB81

DNSKEY

2 record(s)

256 3 13 fdLdWlBxLDwFYqn46fpq5kMvNJpwhkFRFqDpulRtuTecHSg6o+hmj88/ wwdm8UvCk5vwSHTPOu9JVRjqQ5aoCw==
257 3 13 ySSAi1YUkEf4z4O0EuQ37xeesm/IKBCz/XshS18Hcy1ohC9QYir3dUhg QVQw6FcgfvXY0F/caq54xJ7wQfHNjA==

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 +mx include:adns.haufe.de ip4:185.150.244.238 ip4:20.52.209.98 ip4:217.31.84.77 ip4:217.31.86.164 ip4:217.31.84.34 ip4:84.17.184.240/28 ip4:18.196.4.250 ~all

DMARC

Configured

v=DMARC1; p=quarantine; rua=mailto:dmarc+aggregated@reports.nicmanager.net;

DKIM

Selector k1

k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUoNyIR4Bn84LVcfZE20rmDeXQblIupNWBqLXM1Q+VieI/eZu/7k9/vOkLSaQQdml4Cv8lb3PcnluMVIhQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Haufe. Intelligenz, die bewegt.

Description

Haufe unterstützt Mitarbeiter und Unternehmen mit Wissen, Tools und Lösungen auch in herausfordernden Zeiten. Jetzt mehr erfahren.

Final URL

https://www.haufe.de:443/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.haufe.de:443/

Version

Server

nginx

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

haufe.de

Valid from

2026-02-11T18:00:00-06:00

Valid until

2027-03-13T17:59:59-06:00

Days remaining

216

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

3 active

—

HSTSNot detected

✓

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

18.185.43.11, 63.181.17.211, 63.181.45.9

56,85 ms

Cloudflare

1.1.1.1

18.185.43.11, 63.181.17.211, 63.181.45.9

54,08 ms

Quad9

9.9.9.9

18.185.43.11, 63.181.17.211, 63.181.45.9

85,93 ms

OpenDNS

208.67.222.222

18.185.43.11, 63.181.17.211, 63.181.45.9

55,18 ms

AdGuard

94.140.14.14

18.185.43.11, 63.181.17.211, 63.181.45.9

271,06 ms

IP, geolocation and ASNAssociated network information

63.181.17.211

Identified

success

Yes

country

Germany

country_code

region

Hessen

city

Frankfurt am Main

latitude

50.110859

longitude

8.6821259

asn

16509

organization

A100 ROW GmbH

isp

Amazon.com, Inc.

timezone

Europe/Berlin

63.181.45.9

Identified

success

Yes

country

Germany

country_code

region

Hessen

city

Frankfurt am Main

latitude

50.110859

longitude

8.6821259

asn

16509

organization

A100 ROW GmbH

isp

Amazon.com, Inc.

timezone

Europe/Berlin

18.185.43.11

Identified

success

Yes

country

Germany

country_code

region

Hessen

city

Frankfurt am Main

latitude

50.110859

longitude

8.6821259

asn

16509

organization

A100 ROW GmbH

isp

Amazon.com, Inc.

timezone

Europe/Berlin

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

mail.haufe.de

Port 25: Closed/unreachable - 9.6 ms - 
Port 465: Closed/unreachable - 4028.5 ms - 
Port 587: Closed/unreachable - 4009.5 ms -

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