Domain technical report
Just a moment...
frankfurt.de
IPv41
IPv60
MX2
NS2
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71
Total
75
DNS
70
Email
96
Security
20
Network
60
Availability
Domainfrankfurt.de
IPv41
IPv60
MX records2
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
2 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 policy5 / 5 pts · Dns
Certificate authority restriction.
DNS propagation10 / 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.
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
46 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers31 / 35 pts · Security
8 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
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 response0 / 40 pts · Availability
HTTP/2 403
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
1 record(s)162.159.141.253
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
2 record(s)100 a160lmx0011.stadt-frankfurt.de. 100 a160lmx0010.stadt-frankfurt.de.
TXT
5 record(s)"cisco-ci-domain-verification=126d4b99952b3a70f98770b96561c29d09f183e6c03abfbca934a9fd6dff01bc" "swisssign-check=ccxO09j6KZ-eYEABNo9ZhW-ZyDw" "google-site-verification=ZA0wozyEdjsFVr7bULgq6gbgaNBFbr0sRTwCSyxR1f8" "v=spf1 mx -all" "facebook-domain-verification=fsuqt0jr7yw2z8qe559v3moytmri4q"
NS
2 record(s)ns.stadt-frankfurt.de. ns2.stadt-frankfurt.de.
SOA
1 record(s)ns.stadt-frankfurt.de. hostmaster.stadt-frankfurt.de. 2026072202 28800 7200 604800 86400
CAA
5 record(s)0 issuewild "swisssign.com" 0 issue "swisssign.com" 0 issuewild "pki.goog" 0 issue "symantec.com" 0 issue "pki.goog"
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
Configuredv=spf1 mx -all
DMARC
Configuredv=DMARC1;p=none;rua=mailto:dmarc-reports@stadt-frankfurt.de;ruf=mailto:dmarc-reports@stadt-frankfurt.de;
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Just a moment...
Description
Final URL
https://frankfurt.de/
HTTP status
403
HTTP
Status
HTTP/2 403
Final URL
https://frankfurt.de/
Version
3
Server
cloudflare
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Google Trust Services
CN
frankfurt.de
Valid from
2026-06-28T04:16:48-05:00
Valid until
2026-09-26T05:16:20-05:00
Days remaining
46
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
8 activeHSTSNot detected
Content Security PolicyImplemented
X-Content-Type-OptionsImplemented
X-Frame-OptionsImplemented
Referrer PolicyImplemented
Permissions PolicyImplemented
Cross-Origin-Opener-PolicyImplemented
Cross-Origin-Embedder-PolicyImplemented
Cross-Origin-Resource-PolicyImplemented
DNS propagationComparison across public resolvers
Public resolver comparison
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8162.159.141.253
172,53 ms
Cloudflare
1.1.1.1162.159.141.253
295,84 ms
Quad9
9.9.9.9162.159.141.253
146,55 ms
OpenDNS
208.67.222.222162.159.141.253
164,17 ms
AdGuard
94.140.14.14162.159.141.253
198,37 ms
IP, geolocation and ASNAssociated network information
162.159.141.253
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
a160lmx0011.stadt-frankfurt.de
Port 25: Closed/unreachable - 141.3 ms - Port 465: Closed/unreachable - 106.5 ms - Port 587: Closed/unreachable - 4019.7 ms -