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86
Total
70
DNS
90
Email
80
Security
100
Network
100
Availability
Domainzeiss.de
IPv42
IPv62
MX records2
StatusActive
Domain technical report

Mit Lösungen die Zukunft gestalten | ZEISS

zeiss.de

ZEISS ist ein weltweit führendes Technologieunternehmen der optischen und optoelektronischen Industrie. 

Generated: 2026-08-12T10:29:33-05:00 · Cached result

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IPv42
IPv62
MX2
NS6

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

6 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 propagation0 / 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

24 day(s) remaining.

i
Certificate lifetime6 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: a23-64-114-219.deploy.static.akamaitechnologies.com

✓
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 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

2 record(s)
23.64.114.219
23.64.114.212

AAAA

2 record(s)
2600:1407:7400:81::173e:b695
2600:1407:7400:81::173e:b686

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mx-in01.eu.retarus.com.
10 mx-in02.eu.retarus.com.

TXT

1 record(s)
"v=spf1 include:spf-mx.zeiss.com ip4:194.175.223.0/24 ip4:94.199.88.0/22 ip4:82.135.18.0/23 ip4:62.245.148.0/26 ip4:62.134.45.32/28 ip4:217.111.120.0/27 ip4:194.8.120.224/27 -all"

NS

6 record(s)
a7-64.akam.net.
a13-66.akam.net.
a26-67.akam.net.
a8-64.akam.net.
a18-66.akam.net.
a1-232.akam.net.

SOA

1 record(s)
a1-232.akam.net. hostmaster.zeiss.com. 2018063054 10800 3600 1209600 900

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

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 include:spf-mx.zeiss.com ip4:194.175.223.0/24 ip4:94.199.88.0/22 ip4:82.135.18.0/23 ip4:62.245.148.0/26 ip4:62.134.45.32/28 ip4:217.111.120.0/27 ip4:194.8.120.224/27 -all

DMARC

Configured
v=DMARC1;p=reject;sp=reject;aspf=s;adkim=s

DKIM

Selector x
v=DKIM1;p=

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Mit Lösungen die Zukunft gestalten | ZEISS
Description
ZEISS ist ein weltweit führendes Technologieunternehmen der optischen und optoelektronischen Industrie. 
Final URL
https://www.zeiss.de/corporate/home.html
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.zeiss.de/corporate/home.html
Version
3
Server
AkamaiGHost
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
zeiss.com.ar
Valid from
2026-06-08T00:50:05-05:00
Valid until
2026-09-06T00:50:04-05:00
Days remaining
24
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

5 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
—
Referrer PolicyNot detected
—
Permissions PolicyNot detected
✓
Cross-Origin-Opener-PolicyImplemented
✓
Cross-Origin-Embedder-PolicyImplemented
—
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
23.64.114.212, 23.64.114.219
154,86 ms
Cloudflare
1.1.1.1
23.48.99.10, 23.48.99.9
92,89 ms
Quad9
9.9.9.9
23.55.236.133, 23.55.236.138
158,81 ms
OpenDNS
208.67.222.222
23.64.114.212, 23.64.114.219
238,13 ms
AdGuard
94.140.14.14
23.48.224.14, 23.48.224.9
359,71 ms

IP, geolocation and ASNAssociated network information

23.64.114.219

No data
success
No
country
region
city
asn
organization
isp

23.64.114.212

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.216.212
reverse
country
United States
country_code
US
region
Ohio
city
Columbus
latitude
39.9586885
longitude
-82.9986903
isp
Amazon.com, Inc.
organization
Anthropic, PBC
asn
16509
timezone
America/New_York
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

mx-in01.eu.retarus.com

Port 25: Closed/unreachable - 1.2 ms - 
Port 465: Closed/unreachable - 4018.8 ms - 
Port 587: Closed/unreachable - 4020.7 ms -

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