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86
Total
85
DNS
90
Email
88
Security
50
Network
100
Availability
Domaindenic.de
IPv41
IPv60
MX records4
StatusActive
Domain technical report

DENIC eG: DENIC – Registrierungsstelle für alle .de Domains

denic.de

Als Registry verwaltet DENIC alle .de-Domains und stellt sicher, dass sie jederzeit erreichbar sind.

Generated: 2026-08-09T09:45:47-05:00 · Cached result

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IPv41
IPv60
MX4
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 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

4 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

84 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers23 / 35 pts · Security

6 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: www.denic.de

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/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
81.91.170.12

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

4 record(s)
10 mxext4.mailbox.org.
10 mxext3.mailbox.org.
10 mxext1.mailbox.org.
10 mxext2.mailbox.org.

TXT

2 record(s)
"miro-verification=bdea18ce07c1ee63c109bb12411e1bc252cbd2c8"
"v=spf1 a mx ip4:81.91.161.53 ip4:81.91.161.54 ip6:2a02:568:102:211::1:16 ip6:2a02:568:102:211::1:17 include:mailbox.org ~all"

NS

4 record(s)
ns2.denic.de.
ns1.denic.de.
ns4.denic.net.
ns3.denic.de.

SOA

1 record(s)
ns1.denic.de. dns-operations.denic.de. 1785837681 10800 1800 3600000 1800

CAA

0 record(s)
—

Not configured

DS

1 record(s)
26155 8 2 078547BF937A225C9EFB2CAF7FAC11BD88671FCEDFAEEB55C9B19CB0 320BEFC9

DNSKEY

2 record(s)
257 3 8 AwEAAb/xrM2MD+xm84YNYby6TxkMaC6PtzF2bB9WBB7ux7iqzhViob4G KvQ6L7CkXjyAxfKbTzrdvXoAPpsAPW4pkThReDAVp3QxvUKrkBM8/uWR F3wpaUoPsAHm1dbcL9aiW3lqlLMZjDEwDfU6lxLcPg9d14fq4dc44FvP x6aYcymkgJoYvR6P1wECpxqlEAR2K1cvMtqCqvVESBQV/EUtWiALNuwR 2PbhwtBWJd+e8BdFI7OLkit4uYYux6Yu35uyGQ==
256 3 8 AwEAAdBHphkiV/H6Rfd4T0rj1owLOnV/s2APZtU7cyXKjc7cSPPbEEuN qGMofi1awLw1EiDp8o0ozJPLN41vhlZBVUQQE/1jqWsxX5aOQ0UCE1qe ieVhUevZFCBV7KZx9KM7wyRX7Vqp5kqTPfldJ3VsYwS2qIMsjzXL2dp8 Ulh/fGP1

RRSIG

8 record(s)
A 8 2 3600 20260818100121 20260804083121 29355 denic.de. r9V1T9U171cAV6yTtHVPSPZdEnwjT6mjFMEgUwCVCojeux9+4DvoYH3f m8my17L0vTv10Ze3qlOFO6ntKnxTtbhdAcwt5JLNdFTUv+SH8qBiMkcY Wys99YAZUo7fQV0rrgrDjOqw6CVc2BW7UGWfK/C4e501BWAOndfybtIs zS4=
NS 8 2 86400 20260818100121 20260804083121 29355 denic.de. VbqaiRE/SfbWh5M7+CLtNR/Ba9U9Tp6xK2bwKubXms1KCtI5Jp3WPiXT hZsXY1ncAQRvMIi/GLslRAJDu5DY7r/7x0KqMBuJQk7uqYP6JFyOs728 RhA8bA0meCQnNq615e9JgckyXHxGEeic+uuhHy9E+ow4o24SXzeG6/xw piw=
SOA 8 2 3600 20260818100121 20260804083121 29355 denic.de. ev6YElxsWumOlfL1mTSctQORZwAj53GPCpUL9J+UV1TfX0//qNxI/Y9/ VtMo5gxjVmN6CxLl0xq9DTIjb/OnJnXuKfP8pK6ZUZGQkxYCJWA/B5+r 7cEKIe4uw0V7ahCVdyGqFQwv2voUZv1uY2pW8dtYKzxxTC0LiVMaRT// RrU=
TXT 8 2 3600 20260818100121 20260804083121 29355 denic.de. l/GIhe+F/bVPgrCd0KJQyE79LoJ62LDVUY7uB8mwjAeqSxBRAl2U9nQV KA/MSSFh0K6EVLPqABwLFDyqlf9joTyAqIBzcbk+n32/VQTT5K3MF+vW egOg6t8mpeUE1IcTZY91N8agOuDMUqOtd4iwgcOMl6HL0KEsqH+t6fWM HX8=
DNSKEY 8 2 3600 20260818100121 20260804083121 26155 denic.de. eoj0t9k2U8VaKMXWw9N4OlayQZQZz30nswbdZvh47NLNOVGvyfVgopsC UmuauSb5RKXziAoBvS9HPXjtJ7LI33ZUv+dlv77tUTZdMPTabtMw33pI H8VoJcU0IytqtFZkNwIcSYswhDZSp9gOW59wRSJfVCuTmYoBjhOGn120 TVO8Cv8cg1DS+pXtBkMxrGa5bSlMW9/SeudxN91N2sNGoIO7Waac04jr 9e8/seyeiXop8VSxQoFeqAlqgA3HrtNd
MX 8 2 3600 20260818100121 20260804083121 29355 denic.de. am38nB2Sot7jkUyM88xiFub0rT6KVWgdC0FbD4NAyigQYPSfP0aR9S+k 4yT8uNMeHXUQzzExugxuApVU1NrGOXLi+ChJK758b7Rqo4AsP80xJOwY OKmalwEncRAfX0KGpU9SxxlEt9UV0OAOwsqSStXnHnrrcRR4hMC6yvl2 SpU=
DS 8 2 86400 20260817120903 20260803103903 32911 de. rskIH2OlynuQr4QM35t/Y776Y6NPYuhF1xxE6HQxzfBiG/Pj15nZyXGE NcwYTuTZkAGRA7UXoCbWsEPe+z9FTpgw8ZpdC6/UsmeqmlcwCjfbTpA8 thEv5mAHwJBkLY6Z2HRj9D4CUSW4fWnXJeMZj6oBaKPziiE29a6eL2KL T40=
NSEC3PARAM 8 2 1800 20260818100121 20260804083121 29355 denic.de. r19NeR+SkUayM72/SdJdXCEMG2ee9UdgexHiQIhRMeM+hTq4OpAMB2rV iFwe6N24DgOXS3hQZtdm/ojkhX2pG55VZRRKFNA/3b8u5aLxok3rwNDp 0qM/VDE/jbPHePRkqmHo684ivkd37M/A7HTYRWsexQw99KfBBKG2k6DK hHA=

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 a mx ip4:81.91.161.53 ip4:81.91.161.54 ip6:2a02:568:102:211::1:16 ip6:2a02:568:102:211::1:17 include:mailbox.org ~all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:dmarcrep@denic.de; rf=afrf; sp=reject; fo=0; ri=86400; adkim=r; aspf=r; pct=100

DKIM

Selector mail
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAq6WAzg6LBh0B6eETsztxulCJNz7biMTWHsAJ4e1INlt5zSziMuUHFPM66xNvaY+sbIuXRq42W1giTOMTiGxrHUdBP0zGW1hYUaJLXd0nRXStBsZeGgeqwghcu/iN0B38aqQLK9XFZBbYqhGiQAVOJqwFgEMpHdfzje2Oo7IF9FCavk3fYP8sQqRTMoJah+1gMVa4SJoVQZICI9o1W/2nDWNB/0kqYVG8lZxY5EAzEgE4gneprnmb9GPZzAU3SOu69QfHeamU0KwM4PSUZ+a4eBMUHIMpsvGkpfyNUf8s9ctp0kRtwokdAm4H2uL9vEuBU2RS49TdTzD4qEH3JKmEWwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
DENIC eG: DENIC – Registrierungsstelle für alle .de Domains
Description
Als Registry verwaltet DENIC alle .de-Domains und stellt sicher, dass sie jederzeit erreichbar sind.
Final URL
https://www.denic.de/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.denic.de/
Version
3
Server
BigIP
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
denic.de
Valid from
2026-08-04T02:44:38-05:00
Valid until
2026-11-02T01:44:37-06:00
Days remaining
84
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

6 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
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
81.91.170.12
323,17 ms
Cloudflare
1.1.1.1
81.91.170.12
141,12 ms
Quad9
9.9.9.9
81.91.170.12
147,14 ms
OpenDNS
208.67.222.222
81.91.170.12
148,21 ms
AdGuard
94.140.14.14
81.91.170.12
111,47 ms

IP, geolocation and ASNAssociated network information

81.91.170.12

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

mxext4.mailbox.org

Port 25: Closed/unreachable - 8.1 ms - 
Port 465: Closed/unreachable - 4008.5 ms - 
Port 587: Closed/unreachable - 4028 ms -

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