Domain technical report
debian.net
debian.net
IPv43
IPv63
MX3
NS4
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66
Total
95
DNS
20
Email
65
Security
100
Network
60
Availability
Domaindebian.net
IPv43
IPv63
MX records3
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
3 IPv4 address(es) detected.
IPv6 (AAAA)10 / 10 pts · Dns
3 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
3 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
78 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: mirror-csail.debian.org
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 response0 / 40 pts · Availability
No successful HTTP response.
HTTPS final URL20 / 20 pts · Availability
Final URL uses HTTPS.
DNS and emailPublished records and email configuration
A
3 record(s)128.31.0.62 194.177.211.216 130.89.148.77
AAAA
3 record(s)2603:400a:ffff:bb8::801f:3e 2001:67c:2564:a119::77 2001:648:2ffc:deb:216:61ff:fe2b:6138
CNAME
0 record(s)—
Not configured
MX
3 record(s)10 mailly.debian.org. 10 muffat.debian.org. 10 mitropoulos.debian.org.
TXT
0 record(s)—
Not configured
NS
4 record(s)sec2.rcode0.net. sec1.rcode0.net. nsp.dnsnode.net. dns4.easydns.info.
SOA
1 record(s)denis.debian.org. hostmaster.debian.org. 2026080753 1800 600 1814400 600
CAA
0 record(s)—
Not configured
DS
1 record(s)54827 8 2 2FF98B3CA6136318F0907F364AD532C6BBB613F46D2626FA18C42D9A 1C8CC083
DNSKEY
5 record(s)257 3 8 AwEAAbk+pBpv/EryIOqW5cV41VagShC6OeWJyhJh+EdeeRJjnEDRNHTs v784xe05L3RPnXp7KEzNrl2/sX0td8ZOfeeDXl81p7867QBuVCWkQ1Wm 5LMa2MppgJhuGNyzM5awhvYfwy20bMPNl2OJTLvtjkzgo7I2HLHrIeXl qCZNYhm7qBdQl9elB/COoPqiu+rKLNqVyG5DxgO6a2euuKShODjzIpyq e+0V1af9w+wyxhg7uMMvNpqnZv0nNU//ZknEbvNAB0LN1MzR5bpaDaXs DggyD3qm2Esygw/Vzf4wO6FoLEHvZROOyZH854AogJAQcr+by79tdsy4 QtU5DrTHZ9M= 256 3 8 AwEAAaEPs3Y/6CTC2oZqhAwYBCXGdMd6I7+iHF7+MLyaRdH5TwyDTK8u pFmCHYgZX2hJ+H6gAzC6Dl81cxpDGR9M/Qh0p4CrocxPxxaxLWq9aWGe s1VzHy/h4POaqjMpRzFZ3AMfBrOJs9/cli1HL0qq0LXaP4ZOoaWu1aX8 a5zL3Z/VpckXtXp4lS4mB3dJDLUnA2gEstAJ35N5jpowhoKBDKWlZKXv 1h/RwGhXaG56MU5uvw1lusApzaD4beyFNAP2ow== 256 3 13 38OOBOtp1WlJ/Qsek77mOBDz3qfTrWndOIjoKoZpmk5khPMZRyaKnRp3 PNwnLKdZC+Xxat9TMxR0VXZTaMCOmw== 256 3 13 tAG5Nqoc57LdVYPWuhkEcoXSpHU6Behu2RJK1EPlA7aFdQ18FsD/f61z YH6Lw0xtlkFgsp3GQIQ78MWOhiwSIg== 257 3 13 j1RfY+F0BB+EtXZxKp6fQTPre2Nj8XpbfWRhZhfLsSBYSB+U5Q/b/Pv6 /61h3ngBhNOyv/jo2KtkvBpW3Ckerg==
RRSIG
7 record(s)NS 8 2 28800 20260918001057 20260808232327 10870 debian.net. ltoCfmHxYaHLVWm2amnNn4TzkcggfWoeQLXvSvLTeutl39fAjNJ9H2oZ xMXwSvFJP5OI2md/W+i6OvWSOBzrn0oCDP7+CsgZsfAY87rQwt+W0Tm6 hTVctvQzAi0arvr6jP5P4kmgrsR2iow1lXM6U0OULtSHn+1TwEYVAvHX rtNwK5UgdoB62Cy4X6NsB3xiiTEOgSvKu48chQLwqsEncgBlfP5rWvAs bD/VTEkapNtLH/2Tb6OZeEsx5N54qMkR NS 13 2 28800 20260918001057 20260808232327 55660 debian.net. Ds1Yd091WEm+ITR3poKI8ws4sE5XlhT4sEQUvaG4CGY3xLD3xZROzwvz TfW3erYwLj8nl4/vQ3m24uPEaAMsJA== NS 13 2 28800 20260918001057 20260808232327 45381 debian.net. NF4EtmrAg8qQwvVMBeDi5siAtmk1B0/C/I8u4HwUOrVRe/q2NRrfZQ2h Etg/tAg2rFHflLFajQ03nAIgiEI5MA== AAAA 13 2 300 20260916175605 20260807171235 45381 debian.net. D41c6wO7wWC/zuRRlACnBxKutZB5rsevMtl60O6x9mX/sZoYCXOx/6FN RHNAO/Dm9F4ISN5AfQciXZ6INc+Ilw== AAAA 8 2 300 20260916175605 20260807171235 10870 debian.net. IMBUKjJmx9WO2DSYwqZ9pPQIgJvvlP97P7b1voowg094ELj7vwc3gJIj v39X3Zi8+80zEANR3nLSVjvAKyWL/elCiwdU7YPTZR8SVQeWqy/viZis f/JibzuTuHzJPF2MaEDaNQiI9YNi31Oo0bJV5aHyqtbe0+fQrPbSrkXd xGeJn9GsfhkXpfRYiV8bQCAXNiNcgT2qb8+6TTBvcR3br+yNopS1Ivc4 rJLboQTRAvt286sxJ2KmmbCgofenp01T AAAA 13 2 300 20260916175605 20260807171235 55660 debian.net. /44Uj0Xhal/+QbhMvmzpvc9mGwkQZlbUF8QLIVmnXQ/eFljLo6PgD1Ko i+Rgy3IIQq1Dz9QUjA0W7GpiYBgdkg== DS 13 2 86400 20260813034448 20260806023448 7272 net. VLCz1ypfB+bGJmZ3X+6rdt0QkBls4Xz8DyvIHZtsyH+VrbGj21llSrgZ TITcePg2wgWNCVqVvOIy7lYGkXxyRg==
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
No dataTitle
Description
Final URL
https://debian.net/
HTTP status
HTTP
Status
Final URL
https://debian.net/
Version
0
Server
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Let's Encrypt
CN
debian.org
Valid from
2026-07-29T19:27:40-05:00
Valid until
2026-10-27T19:27:39-05:00
Days remaining
78
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
8.8.8.8128.31.0.62, 130.89.148.77, 194.177.211.216
76,06 ms
Cloudflare
1.1.1.1128.31.0.62, 130.89.148.77, 194.177.211.216
45,99 ms
Quad9
9.9.9.9128.31.0.62, 130.89.148.77, 194.177.211.216
41,32 ms
OpenDNS
208.67.222.222128.31.0.62, 130.89.148.77, 194.177.211.216
30,95 ms
AdGuard
94.140.14.14128.31.0.62, 130.89.148.77, 194.177.211.216
45,07 ms
IP, geolocation and ASNAssociated network information
128.31.0.62
No datasuccess
No
country
region
city
asn
organization
isp
194.177.211.216
No datasuccess
No
country
region
city
asn
organization
isp
130.89.148.77
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
mailly.debian.org
Port 25: Closed/unreachable - 9.1 ms - Port 465: Closed/unreachable - 144.7 ms - Port 587: Closed/unreachable - 108.2 ms -