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82
Total
70
DNS
90
Email
84
Security
50
Network
100
Availability
Domaindoccheck.com
IPv41
IPv60
MX records1
StatusActive
Domain technical report

DocCheck

doccheck.com

Wissensplattform für Mediziner & HCPs – Medizin News ✓ medizinische Artikel ✓ Fortbildungen ✓ Profitiere von unserem Fachwissen für Ärztinnen & Ärzte

Generated: 2026-08-10T10:33:35-05:00 · Cached result

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IPv41
IPv60
MX1
NS3

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

3 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

1 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

206 day(s) remaining.

✓
Certificate lifetime10 / 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: www.doccheck.com

i
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 OK

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
195.82.66.204

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 doccheck-com.mail.protection.outlook.com.

TXT

1 record(s)
"v=spf1 include:spf.doccheck.com include:spf.protection.outlook.com -all"

NS

3 record(s)
ns.udag.org.
ns.udag.net.
ns.udag.de.

SOA

1 record(s)
ns.udag.de. hostmaster.united-domains.de. 2026043001 10800 3600 604800 3600

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.doccheck.com include:spf.protection.outlook.com -all

DMARC

Configured
v=DMARC1;p=none;pct=100;rua=mailto:dmarc@smtpeter.com

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7aQ29o6lMe5wU1lpZE4Tp27awuCc+MssPvoU3hX/bL3IbPLQ8aDhKdmLs1dx3MUC0fcYjLIdkhzzh6yQhO+zHNCkEXFgUeF4F0x3PlbwYiBuNO72Dflhf7U9mzvigwJHKH4VIlLTFowTTF3XqUNwaIa2fS4TTfrrxcNXxc3Z+fG2Pvo7arGP2iZF87XILIHBY1NllA0uUelanoni/6033bsH5SHep2fRYd4lKMx3d4z5WRISRVvwCfV+oRc2vzOFV2qK2M2VoWkC6gNCDpFQwEr1hE3tOpR1rl8FKzJPDro9eehE235L3rZSoWatTeqfwrfElEy1WXEyCCMD2WG+PQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
DocCheck
Description
Wissensplattform für Mediziner & HCPs – Medizin News ✓ medizinische Artikel ✓ Fortbildungen ✓ Profitiere von unserem Fachwissen für Ärztinnen & Ärzte
Final URL
https://www.doccheck.com/
HTTP status
206

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://www.doccheck.com/
Version
2
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Sectigo Limited
CN
*.doccheck.com
Valid from
2026-03-03T18:00:00-06:00
Valid until
2027-03-04T17:59:59-06:00
Days remaining
206
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

5 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
Referrer PolicyImplemented
✓
Permissions PolicyImplemented
—
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
195.82.66.204
85,69 ms
Cloudflare
1.1.1.1
195.82.66.204
106,31 ms
Quad9
9.9.9.9
195.82.66.204
42,96 ms
OpenDNS
208.67.222.222
195.82.66.204
33,76 ms
AdGuard
94.140.14.14
195.82.66.204
96,06 ms

IP, geolocation and ASNAssociated network information

195.82.66.204

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
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

doccheck-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 25.3 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4021.3 ms -

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