Domain technical report
Making sure you're not a bot!
nbn-resolving.org
IPv41
IPv60
MX1
NS3
Analyze any domain
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68
Total
90
DNS
20
Email
65
Security
50
Network
100
Availability
Domainnbn-resolving.org
IPv41
IPv60
MX records1
StatusActive
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 chain15 / 15 pts · Dns
DS and DNSKEY detected.
CAA policy5 / 5 pts · Dns
Certificate authority restriction.
DNS propagation10 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
1 MX record(s).
SPF0 / 25 pts · Mail
SPF policy not found.
DMARC0 / 25 pts · Mail
DMARC policy not found.
DKIM0 / 20 pts · Mail
No tested DKIM selector responded.
MTA-STS0 / 5 pts · Mail
Mail transport policy.
TLS-RPT0 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate55 / 55 pts · Security
92 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers0 / 35 pts · Security
0 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: prodche-06.dnb.de
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)193.175.100.226
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
1 record(s)10 mail.dnb.de.
TXT
2 record(s)"HARICA-2cagk2QJeqYKgujTjGy" "HARICA-BwTxwyET1sSONOuKyrz"
NS
3 record(s)ns1.dnb.de. ns0.dnb.de. dns.globvill.de.
SOA
1 record(s)ns.dnb.de. hostmaster.dnb.de. 2026030384 60 3600 2419200 3600
CAA
3 record(s)0 issue "pki.dfn.de" 0 issue "sectigo.com" 0 issue "harica.gr"
DS
1 record(s)19247 8 2 9FA0D3CB60D7CC55EC3408C51609B4AF3B442CBC3C44F40EA9911434 9CEA890D
DNSKEY
2 record(s)257 3 8 AwEAAfVE231zT36I1sgamcQjZQwmPEuKi+UCpzA7FpH6iBzI8osMz8zS //d4iKzQixO/pjPwJwOAm2pj4mY2QHZzRBggCfMA2fZzXS9cD2qTRayz sBBzgYuZ1cYyGK/Kb4a9+x8rhXV2Cl5PhH/eyqLOwnOi0o7EvNrMfdOj BKFvRKPsGRPjsRJqt9d4n5i/7kbzGk/Wr3yeiJJYlGrClK8C5IDGyTCl acwnXE6+rfPvScx4/Ptl1W9MC00n+mQnFes3oo5kTfJXSsk/sRn5evJs JCt6eOy4LFQCkz36zx/+QcVsdEviw3HgM/pdTAvQOh5ieT0iXqG4/zIz 6IqnEjIpGtc= 256 3 8 AwEAAc3JXigaNu1EBU8qWQwfko3RVAW2fwuJsvWE4/Q8sShzs9F6EJEO ONy+WpAkX93jWvGSZSmrlSHEkhSFQkEHlAUUe1oq/rN4ml56UnP/DUDY hPr8JQwe3fL/XNYDmKiGybu4MhbIE/iFHmLjxoBD85vuVCuipneAxYsX a2SgAbMr
RRSIG
3 record(s)DNSKEY 8 2 60 20260829130511 20260730124742 19247 nbn-resolving.org. PqVs8jGEuIF/ofvnJBgMNcrMe636G8GeGyPGpVdbflL+7O51vv9Qaphy eVIj4qFB4RDGW+9CKX3XDU/M80+CpBUppua2CmG4ZvM7jrBMJMbZmSxq GYBEFPyiGdnPVSor0jvg7SJk9ixiCjLHWbdLAOZ5uOrhzvaFfeDuXguE oSRSUL8y9nq2UdTyeC9+BtWfr8WTpwZu5mO4QNhJbsune4acBP+MM2mv XOzDwoYfEelBysSs4zhjDkDT0LqHaaUv07OIj5iQRTTalE9bxhJjYwIo Do1PYpeLpBMyO9XA+Ghf6bKeJkA8q6ACo3IZhEosHTK+B3CMfMNer0wg LqXoow== DS 8 2 3600 20260830152406 20260809142406 44925 org. E2R22l/g90araNFVKviKqVi20DqeTzH/jTeGi6Zj+Ed2/9+K02A/OL7J f6ZuXuwnY+xWwVBl6aWvawp4bbYK7WsGYknXREfZat5/00b4SKKlN0Gy 69X9sYZm/WPdjdv3qyYERiL3OwHd7YYAVvA6hGb+ZO7n76hOtIbeRd5/ 19c= CAA 8 2 60 20260902014858 20260803014312 42828 nbn-resolving.org. UV5IsxOvGDw+WA8FXo15ysAyCokOcSZULEfUH+YSk7ZaYhpfaQTfXYRS XYkqBbBXMFYHt44PVi9cFFuZjD1Jd/tfZaCJ5X98T8zarXbftd7ms2Qp lMCD010Kjy9JyfHQynmFTHY+HQQGGAiXHUsnIzm1CHPLke0AmeWqXRmN n98=
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
Not configured—
Not configured
DMARC
Not configured—
Not configured
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Making sure you're not a bot!
Description
Final URL
https://nbn-resolving.org/
HTTP status
200
HTTP
Status
HTTP/2 200
Final URL
https://nbn-resolving.org/gui/urn
Version
3
Server
Apache
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
nbn-resolving.org
Valid from
2025-11-12T02:15:02-06:00
Valid until
2026-11-12T02:15:02-06:00
Days remaining
92
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
0 activeHSTSNot detected
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
X-Frame-OptionsNot detected
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8193.175.100.226
41,57 ms
Cloudflare
1.1.1.1193.175.100.226
231,30 ms
Quad9
9.9.9.9193.175.100.226
50,36 ms
OpenDNS
208.67.222.222193.175.100.226
266,49 ms
AdGuard
94.140.14.14193.175.100.226
606,58 ms
IP, geolocation and ASNAssociated network information
193.175.100.226
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
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
mail.dnb.de
Port 25: Closed/unreachable - 115.5 ms - Port 465: Closed/unreachable - 4151.9 ms - Port 587: Closed/unreachable - 4010.7 ms -