Domain technical report
Comprehensive Cancer Information - NCI
cancer.gov
Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.
IPv41
IPv61
MX11
NS3
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87
Total
100
DNS
70
Email
77
Security
85
Network
100
Availability
Domaincancer.gov
IPv41
IPv61
MX records11
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
1 IPv4 address(es) detected.
IPv6 (AAAA)10 / 10 pts · Dns
1 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
11 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
32 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers12 / 35 pts · Security
3 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: gem-measures.org
IPv4 diversity20 / 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
1 record(s)129.43.254.39
AAAA
1 record(s)2607:f220:41d:21c1::812b:fe27
CNAME
0 record(s)—
Not configured
MX
11 record(s)10 nihcesxway.hub.nih.gov. 10 nihcesxway5.hub.nih.gov. 10 nihcesxwayst06.hub.nih.gov. 10 nihcesxway3.hub.nih.gov. 10 nihcesxway2.hub.nih.gov. 10 nihcesxway4.hub.nih.gov. 10 nihcesxwayst01.hub.nih.gov. 10 nihcesxwayst03.hub.nih.gov. 10 nihcesxwayst02.hub.nih.gov. 10 nihcesxwayst04.hub.nih.gov. 10 nihcesxwayst05.hub.nih.gov.
TXT
15 record(s)"v=spf1 include:nih.gov ~all" "google-site-verification=xtotja2khgp7lafpuwbTxpd0-GTHamG6B-n_BlJHaYY" "b26ec43103814a09b7d8d2814fef549c" "_fcy04k1qajtq6ael7l4pq0ymlwx3u81" "google-site-verification=7cgm_p1qmwNsajA-7lLR3dcxWTnuLGSnd_1w51qD2M4" "identrust_validate=W64ssWDA7S5UBEN3Lx/2gIfJalru4LeAcpUgqQByIiRY" "jrk6xg81sjswjytr4yyqkp6p0d8whjpl" "facebook-domain-verification=oc5eiigp252miw61og17pvqvsz4j0t" "a/MYD7ruuKvW/ln4j50WGOR3Ms9scfgPXKrR4FASC80qVun5eHuz/6s5Xxh/IsTAaDc5+wweHS9ti7aY/jevfA==" "google-site-verification=o1YqZG4UHZPWTywBLlIYz3wFyUsHtadoVCjtuW6liPw" "identrust_validate=KShTAADOwzz+em27pU3J9c6LpvdulIpNLU5CkFAc3LaE" "_th2y9nk16oxmsorot9619u4ivowe9s1" "_0puhfnxczqycfy4u4kmtp0ob01l6ym6" "vaikid9pftv61hpg5b1ll0o1au" "o7su2vah6j191i13g6ursf7cns"
NS
3 record(s)ns2.nih.gov. ns.nih.gov. ns3.nih.gov.
SOA
1 record(s)ns.nih.gov. hostmaster.nci.nih.gov. 640873 10800 1080 2592000 900
CAA
9 record(s)0 issuewild "letsencrypt.org" 0 issuewild "digicert.com" 0 issue "godaddy.com" 0 issue "entrust.net" 0 issue "sectigo.com" 0 issue "letsencrypt.org" 0 issue "digicert.com" 0 issue "amazon.com" 0 issue "identrust.com"
DS
1 record(s)18941 8 2 B2C71B3869DB86EACD0BEBABB18F6F5E6BC4CD01AE5B86D5122E1515 CBE2E6DE
DNSKEY
4 record(s)256 3 8 AwEAAcRxsSvZSV+myjGwdquSaFBf4zHLL5yEnO320wPLXeVoN5YMFo2D dM/2is3MeZBzT4EF0xlIXoUloSJPhTcidP0UAdIhTfY69k7iJpzhq3Zn R6+7GdYXjQ14tTzbjiXxcRHvADJXXXRx1yJmgHmI7D8ZhmRK6ExD4m/v AlMXwP7V 257 3 8 AwEAAbV4kDQ7mhAgcWtrrw1hj45Enq//skh/6GOxQkCEn4egyy4zN5UX yKe9s4AfF8CJvhX+UqPsj6E9h2KkGMdCYp/8BHF7vi+LEpk/PD8iyjDC 5+N+oAGlh+hjAdrh2vFCnevVcpuo6j7N7IJ7ymPiONp+tlG2vAoKl+AP orrpf9hOvZtHGnTreO8T8artIJ5m6hNVzeegF+QnKZNO+xrC71T2fHhj t/zohsbLJbLiJhsnKkBVEjRTZwMdLVq9jHS6NQaTal5n5SfT5gGxemmF 35hyiSpZDTG+9KX3aA8tM3hiitU6XR+NAbTG0zuLaNwFPpuamFgYCGPQ u6sqLxYwn/8= 256 3 8 AwEAAcyKcu6COxApafgNGyC42sRLQWmHrRVYWHvXXsWvcWFEtK6bUx1B +GesRNzkiHevU0SMt50loudUnRzBKF1vY4tsTjx+XQ1VrR02IRDTr7mF G4iUc4iMuIxO4IyzCZdpvVcXQXLD0jsBl5X5uNmGWMIVdoYBfECHOZrF YFeQJalL 257 3 8 AwEAAb0F0tDlvO1XF5o0EkXm8r2pu5q8rmaFEMy+eWlqQDWoExo2HTit SPq54s3UkOvU3DsrJVOW+a2PAJ6ps+NQFoygW0EjftXSoB/oxv/7anA+ HasrIIXEmMbSondsQBN8xcVKyWnMVNn5wF/L0nebM6kKUDdaTsV77Cm7 N21t2re4FpPrnX+Ob35PF4QvgshrtVE0LTs0xG0Se3IZuMsZmWmIEedu 9yEbY3sX+cY1/yRIhNUjXK53NaJDXkiTa+U0chxa81mNPX2xbv51mo8Y L7wY+LuCZOUYsVKQSBrbwD1xk4IHt2CERh+Yb/83xtTiy9uUgcsL9C0+ k65014TCxxM=
RRSIG
5 record(s)SOA 8 2 7200 20260814223013 20260808213013 54648 cancer.gov. TTQvFW9nKznc3wNyeldErKlFGsKnUE4AyHBOoBcUeyqsdBlAiu6NBWSl wS+K3SPpKVM33l5TtJyEoS0fvCt9yHgvOpS2gdzlTWBEbw3OzuaFaP4A gPg2qo3bjUHAOLhXQcv4BGBQYC/fiRi5NqnytgmM60KgX5Ba5Rx6oDuT xbI= TXT 8 2 7200 20260814045058 20260808045016 54648 cancer.gov. YV9Lr0FmzHjjXaZWsBHcIVkVxMXEwgEEoKgc4r9HukS9hWDkhtgKqk12 kyuK2aQ9PG6ANZ+OpNAzZvOlYBh4kzx91fBkcLBldh0qVjSSmNx6fLDn vCaQ0l82RFcOn0kKYYaZYwr30frftJHox3RUkPOJydST+kddekNbcMce oaE= MX 8 2 7200 20260814050947 20260808043456 54648 cancer.gov. IdPxwN1/0CysFCB+lRjBwSfkz8mntrgJ9gOEonSCH0z5ib25WE+rTwZ1 b5yvSkXlMsVOo1ytu8eR4d2gBABJrcUS1SxgtLNoA6WGOAQSlXjW3OZ6 59R+NvQQ/0ZVgJcMojZQji10qLmONjyGlVLSrvzdvma1gXE4TaeWQ5Ms Yc0= DS 13 2 3600 20260810012515 20260807232515 35496 gov. 22wlEZwAs3QKu2fWksQohG4IrnW0JjQx6KG1uz8pa2GfQdC8ISQVQ4A+ CcoXbXx8VBdSjypv+UnPjFLGmtklMg== CAA 8 2 7200 20260814065915 20260808062926 54648 cancer.gov. FaK2piwPOE/8HZw0A4HvnlWGuZSzbBv42y2LIST/sdaQ2nvw0QiIZLsX ZvextXPjG/jNucIraWMnCK2YrTUFhNE0e6izkvOqTaBv2wX/tbBB0Hkd R0IuIb7HoynIrP2Lh9sHobeW6OftaYWJsjpKzv2J9QyBeU6JvqBpg6EL Y4M=
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:nih.gov ~all
DMARC
Configuredv=DMARC1; p=reject; rua=mailto:8idhoybh@ag.us.dmarcian.com,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:8idhoybh@fr.us.dmarcian.com; fo=1;
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Comprehensive Cancer Information - NCI
Description
Accurate, up-to-date, comprehensive cancer information from the U.S. government's principal agency for cancer research.
Final URL
https://www.cancer.gov/
HTTP status
206
HTTP
Status
HTTP/2 200
Final URL
https://www.cancer.gov/
Version
3
Server
nginx
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
DigiCert Inc
CN
*.cancer.gov
Valid from
2026-02-23T18:00:00-06:00
Valid until
2026-09-10T18:59:59-05:00
Days remaining
32
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES256-GCM-SHA384
Security headers
3 activeHSTSImplemented
Content Security PolicyNot detected
X-Content-Type-OptionsImplemented
X-Frame-OptionsImplemented
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
8.8.8.8129.43.254.39
40,68 ms
Cloudflare
1.1.1.1129.43.254.39
53,23 ms
Quad9
9.9.9.9129.43.254.39
78,10 ms
OpenDNS
208.67.222.222129.43.254.39
106,31 ms
AdGuard
94.140.14.14129.43.254.39
467,09 ms
IP, geolocation and ASNAssociated network information
129.43.254.39
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
nihcesxway.hub.nih.gov
Port 25: Closed/unreachable - 1.2 ms - Port 465: Closed/unreachable - 4021.2 ms - Port 587: Closed/unreachable - 4020.1 ms -