Domain technical report
Access Denied
cisa.gov
IPv41
IPv62
MX2
NS3
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77
Total
85
DNS
90
Email
69
Security
85
Network
60
Availability
Domaincisa.gov
IPv41
IPv62
MX records2
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
1 IPv4 address(es) detected.
IPv6 (AAAA)10 / 10 pts · Dns
2 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 policy0 / 5 pts · Dns
Certificate authority restriction.
DNS propagation0 / 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.
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
183 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers4 / 35 pts · Security
1 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: a23-210-150-135.deploy.static.akamaitechnologies.com
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 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)23.210.150.135
AAAA
2 record(s)2600:1407:3c00:168f::3ff9 2600:1407:3c00:1684::3ff9
CNAME
0 record(s)—
Not configured
MX
2 record(s)10 mxa-00376703.gslb.gpphosted.com. 10 mxb-00376703.gslb.gpphosted.com.
TXT
15 record(s)"openai-domain-verification=dv-9sool2N0pERxBxulfzX1UsNx" "_rr8gice4wv589e4uxop5zqhh6gbqh32" "censys-domain-verification=oCKV9OzJ1EtsMPZGDfdkccVF2WRuGqmhhozTHjaNAsvH" "google-site-verification=wsLVyeZYgv0NLikdmfm2m3XPP-986Ylo8XxUkrjIOvA" "pL0QIhJMs23KMmvUBrrneOoXtAFoIQ" "adobe-idp-site-verification=edfd88b4c2bdf65395c78b55da3580466eefa9aa874d5bcfb853692813e80515" "MS=ms36056523" "_tufdw17aa2wht723upz8w56htpvpgkw" "_e01yoinuk3n6xrtnc8q3m9bdjyihdd7" "censys-domain-verification=kSZxqevdrY_nf9ogHWhuUq2O39C9Lkj-pSfnrCzSOVxO" "f188eb27-a746-4aa8-b160-eb68b0aab05d" "MS=ms41452370" "v=spf1 include:spf.dhs.gov include:spf.protection.outlook.com include:spf-00376703.gpphosted.com -all" "google-site-verification=BNRBfY90BM54Mf_pgL4Eg07IkwbGvq5nsdZCOYadDlM" "MS=ms53160703"
NS
3 record(s)blue.foundationdns.net. blue.foundationdns.org. blue.foundationdns.com.
SOA
1 record(s)blue.foundationdns.com. dns.cloudflare.com. 2411605738 10000 2400 604800 1800
CAA
0 record(s)—
Not configured
DS
1 record(s)2371 13 2 5F15E517D7A353D755D9D3F8548A3475CE88A738E62B766F5E33CFC4 163AB934
DNSKEY
2 record(s)256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA== 257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
RRSIG
0 record(s)—
Not configured
NSEC
1 record(s)\000.cisa.gov. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA
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.dhs.gov include:spf.protection.outlook.com include:spf-00376703.gpphosted.com -all
DMARC
Configuredv=DMARC1; p=reject; pct=100; rua=mailto:DMARC@hq.dhs.gov, mailto:reports@dmarc.cyber.dhs.gov
DKIM
Selector selector1v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv32BRAJaAOsxAp31ZqQwd7RYfbYowvb3F7lq8WQEyasI6w7Gm0bxPW57TFM04fM5flf1PYyCDSa3ckQzSQLYmMx9HiXYJYF1Dpk9PnjTarbdR9mm9fc7iBXT2pTFNJw+SRMH3NRrbkefv8GqqLdJotgCl2vWoyRlfKCANCFq5Bbq4qaztXqU/cHRurG8ZVSF7ZrhY4EBKvpzAyIisrf2g2Gky+vO4LTMrgZeNnA/OyHmWmvlUC58e06jBLSysYyh19O4MiU5eUhuT7MYTLWz6fIOl4PaT9HkmM0rH/fgcGSYc8ajCsrvxYA8LgoWR9IzYq5vYzDWLxSo/J0c+6pVWQIDAQAB;
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Access Denied
Description
Final URL
https://cisa.gov/
HTTP status
403
HTTP
Status
HTTP/2 403
Final URL
https://cisa.gov/
Version
3
Server
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
DigiCert Inc
CN
www.homelandsecurity.gov
Valid from
2026-07-24T19:00:00-05:00
Valid until
2027-02-08T17:59:59-06:00
Days remaining
183
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
1 activeHSTSImplemented
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
ReviewDifferences detected
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.823.210.150.135
52,13 ms
Cloudflare
1.1.1.123.210.150.135
19,46 ms
Quad9
9.9.9.923.210.150.135
43,37 ms
OpenDNS
208.67.222.22223.210.150.135
28,63 ms
AdGuard
94.140.14.1423.207.5.105
44,45 ms
IP, geolocation and ASNAssociated network information
23.210.150.135
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
mxa-00376703.gslb.gpphosted.com
Port 25: Closed/unreachable - 28.6 ms - Port 465: Closed/unreachable - 4046.6 ms - Port 587: Closed/unreachable - 4020 ms -