Domain technical report
It's FOSS
itsfoss.com
Help people use Linux since 2012. Discover new open source software, local AI tools with us. Stay updated with relavant news from the Linux world.
IPv42
IPv62
MX2
NS2
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81
Total
85
DNS
65
Email
81
Security
70
Network
100
Availability
Domainitsfoss.com
IPv42
IPv62
MX records2
StatusActive
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
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.
DMARC0 / 25 pts · Mail
DMARC policy not found.
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
71 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers16 / 35 pts · Security
4 of 9 evaluated headers detected.
PTR reverse DNS0 / 30 pts · Network
PTR not detected.
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)172.66.161.39 104.20.31.167
AAAA
2 record(s)2606:4700:10::6814:1fa7 2606:4700:10::ac42:a127
CNAME
0 record(s)—
Not configured
MX
2 record(s)10 mail.protonmail.ch. 20 mailsec.protonmail.ch.
TXT
5 record(s)"facebook-domain-verification=m676ccg6ag2qgrt6knrzw7c9c9fl1k" "brevo-code:bad6e935b8b8b686b28c8c2969d70aeb" "google-site-verification=1gCuweVjKngXvzjOhMic8VeJ4iQlhLnb7TAj6wdPg8M" "protonmail-verification=427bffb50b5dd01d5dbbc0f4e57d187b3da317d7" "v=spf1 include:_spf.protonmail.ch a mx include:_spf.mlsend.com ?all"
NS
2 record(s)kara.ns.cloudflare.com. alex.ns.cloudflare.com.
SOA
1 record(s)alex.ns.cloudflare.com. dns.cloudflare.com. 2411767903 10000 2400 604800 1800
CAA
10 record(s)0 issue "digicert.com; cansignhttpexchanges=yes" 0 issuewild "ssl.com" 0 issuewild "digicert.com; cansignhttpexchanges=yes" 0 issuewild "pki.goog; cansignhttpexchanges=yes" 0 issue "pki.goog; cansignhttpexchanges=yes" 0 issuewild "letsencrypt.org" 0 issuewild "comodoca.com" 0 issue "letsencrypt.org" 0 issue "ssl.com" 0 issue "comodoca.com"
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 include:_spf.protonmail.ch a mx include:_spf.mlsend.com ?all
DMARC
Not configured—
Not configured
DKIM
Selector mailk=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeMVIzrCa3T14JsNY0IRv5/2V1/v2itlviLQBwXsa7shBD6TrBkswsFUToPyMRWC9tbR/5ey0nRBH0ZVxp+lsmTxid2Y2z+FApQ6ra2VsXfbJP3HE6wAO0YTVEJt1TmeczhEd2Jiz/fcabIISgXEdSpTYJhb0ct0VJRxcg4c8c7wIDAQAB
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
It's FOSS
Description
Help people use Linux since 2012. Discover new open source software, local AI tools with us. Stay updated with relavant news from the Linux world.
Final URL
https://itsfoss.com/
HTTP status
200
HTTP
Status
HTTP/2 200
Final URL
https://itsfoss.com/
Version
3
Server
cloudflare
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Google Trust Services
CN
itsfoss.com
Valid from
2026-07-22T14:22:20-05:00
Valid until
2026-10-20T15:22:18-05:00
Days remaining
71
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
4 activeHSTSImplemented
Content Security PolicyImplemented
X-Content-Type-OptionsImplemented
X-Frame-OptionsNot detected
Referrer PolicyImplemented
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
8.8.8.8104.20.31.167, 172.66.161.39
87,30 ms
Cloudflare
1.1.1.1104.20.31.167, 172.66.161.39
38,79 ms
Quad9
9.9.9.9104.20.31.167, 172.66.161.39
38,45 ms
OpenDNS
208.67.222.222104.20.31.167, 172.66.161.39
43,18 ms
AdGuard
94.140.14.14104.20.31.167, 172.66.161.39
64,55 ms
IP, geolocation and ASNAssociated network information
172.66.161.39
No datasuccess
No
country
region
city
asn
organization
isp
104.20.31.167
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.protonmail.ch
Port 25: Closed/unreachable - 351 ms - Port 465: Closed/unreachable - 4135.5 ms - Port 587: Closed/unreachable - 4056 ms -