Domain technical report
DuckDuckGo - Protection. Privacy. Peace of mind.
duckduckgo.com
The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.
IPv41
IPv60
MX1
NS8
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79
Total
65
DNS
95
Email
88
Security
20
Network
100
Availability
Domainduckduckgo.com
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
8 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 propagation0 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
1 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-RPT5 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate55 / 55 pts · Security
103 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers23 / 35 pts · Security
6 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 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)40.89.244.232
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
1 record(s)0 duckduckgo-com.mail.protection.outlook.com.
TXT
12 record(s)"openai-domain-verification=dv-OKbsaUeVbNte6OPtWDpdt4Xr" "slack-domain-verification=oDt8KTPHJdkpcJOZ6J8W8cyJLsEfrJULCQiQ1YbP" "bw=IOlfo6xQJX+xewM7+IiPqOSIPtLXKrWoS2RXCTPMmQZc" "cursor-domain-verification-nxwg1m=QRyFwelq3dM8RzBmvRla2boHy" "stripe-verification=e508f445dbb94b1ae51f7b48901897714b661f5298da43bb66b224973c8290d4" "apple-domain-verification=XeKEoqnRNUfkUc5l" "ZOOM_verify_QSjXtfOfRHiY0O9gD5E4Ug" "OSSRH-87525" "mistral-domain-verification=1b914b8749d84fc51987d1cd2b9f86b38617aa4d" "anthropic-domain-verification-c7d48c=mGBhXlQHsvOc64IFwZsaKKVoQ" "v=spf1 include:mail.duckduckgo.com include:spf.mailer.duckduckgo.com include:spf.protection.outlook.com include:duck.com include:mail.zendesk.com -all" "MS=ms71454350"
NS
8 record(s)dns4.p05.nsone.net. dns1.p05.nsone.net. ns01.quack-dns.com. ns02.quack-dns.com. dns2.p05.nsone.net. ns04.quack-dns.com. ns03.quack-dns.com. dns3.p05.nsone.net.
SOA
1 record(s)dns1.p05.nsone.net. hostmaster.nsone.net. 1655203370 7200 7200 1209600 14400
CAA
2 record(s)0 issue "digicert.com" 0 issue "letsencrypt.org"
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:mail.duckduckgo.com include:spf.mailer.duckduckgo.com include:spf.protection.outlook.com include:duck.com include:mail.zendesk.com -all
DMARC
Configuredv=DMARC1; p=reject; pct=100; rua=mailto:n1um42s6@ag.dmarcian.com
DKIM
Selector selector1v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTrhQCCe7t99hqP5B7xjx9X7p6xSjRTO5x/EM3MHi3I9j5k1tzFzEX52DeO2joxy+3TSJbPwpHjGhkf1FUtlaJIpWbAKDdT29sddqR/ywrZXBj7C56ziinLaEN2kTro6aelCAK8jBuRpvMegmJXHtj5+VT3k9LreWhjap6X7ZMkQIDAQAB;
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
DuckDuckGo - Protection. Privacy. Peace of mind.
Description
The Internet privacy company that empowers you to seamlessly take control of your personal information online, without any tradeoffs.
Final URL
https://duckduckgo.com/
HTTP status
200
HTTP
Status
HTTP/2 200
Final URL
https://duckduckgo.com/
Version
3
Server
nginx
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
DigiCert Inc
CN
*.duckduckgo.com
Valid from
2026-05-04T19:00:00-05:00
Valid until
2026-11-19T17:59:59-06:00
Days remaining
103
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
6 activeHSTSImplemented
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
ReviewDifferences detected
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.840.89.244.232
51,62 ms
Cloudflare
1.1.1.140.89.244.232
24,54 ms
Quad9
9.9.9.940.89.244.232
25,74 ms
OpenDNS
208.67.222.22240.89.244.232
36,18 ms
AdGuard
94.140.14.1452.149.246.39
66,97 ms
IP, geolocation and ASNAssociated network information
40.89.244.232
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
duckduckgo-com.mail.protection.outlook.com
Port 25: Closed/unreachable - 24 ms - Port 465: Closed/unreachable - 4044.5 ms - Port 587: Closed/unreachable - 4021 ms -