Domain technical report
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american.edu
IPv42
IPv60
MX1
NS3
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75
Total
70
DNS
90
Email
92
Security
35
Network
60
Availability
Domainamerican.edu
IPv42
IPv60
MX records1
StatusActive
DiagnosticsMain findings and recommendations
IPv4 (A)30 / 30 pts · Dns
2 IPv4 address(es) detected.
IPv6 (AAAA)0 / 10 pts · Dns
0 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 chain0 / 15 pts · Dns
Both DS and DNSKEY are required.
CAA policy0 / 5 pts · Dns
Certificate authority restriction.
DNS propagation10 / 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-RPT0 / 5 pts · Mail
TLS reporting policy.
Valid TLS certificate55 / 55 pts · Security
28 day(s) remaining.
Certificate lifetime6 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers31 / 35 pts · Security
8 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 connectivity0 / 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
2 record(s)104.20.42.212 172.66.167.252
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
1 record(s)0 american-edu.mail.protection.outlook.com.
TXT
22 record(s)"icln8ljp743s7hkfgsnuobbfmq" "anthropic-domain-verification-p53d6g=1wKGEtYR4me5T7X2M1pd6LIUI" "apple-domain-verification=NcGd7OpQUgrvPrkQ" "v=spf1 include:7l3pg1rug3.powerspf.com ~all" "perplexity-ai-domain-verification-pv1rhn=kzRgtmnMDvVu5hFUGxucxi61i" "google-site-verification=2rEpZ9hLvWO-J3DI1aObOfEpNo3VtC0SBVADc_C-UIo" "airtable-verification=6924fd85564c50d9a25725353a4c9682" "brevo-code:3af1014a7748b08a36c8531ca16ab418" "f44e8155aae75a57a5e3b1522b0f20ea95a2e1095f256f0d5548f3f73f5562ec" "iContact1685219" "SFMC-mTdkVW6Jm5qcUiCDf79OfKH3YKhhRt7SJ1i5niAZ" "google-site-verification=XSpTxqQA_OLHPnxU7tT1ZYU2FG7B0GvNnJSbcJvoMdU" "SFMC-HNDOFJWwnQSkX8idTb3DywEcU2kO_r8nlJWDF_D8" "IvBHcy93qusUpxOAEbsczNOF40HDNML4pZ1BtXp4SzM=" "adobe-idp-site-verification=baf204150188636b9331cc3a937e5d2e2c36fe1df8dde06e3cb3134a0169eeaa" "243db705d2797c89d171ff91829e38d65b0723245c25fe3232ea5efbffa34e3d" "A832B74B421BEFBB6B89C85C67F57A85" "facebook-domain-verification=agrfpzdse416nhfb77c8ly8aoulf7w" "_globalsign-domain-verification=0_tOnfEm3Hw1uLFBUj9C3hbA0CL74LEkkJElWKLAGg" "apple-domain-verification=8JgP0AJr2J1XkOjK" "e2ma-verification=re7fb" "J2rqMH9vlhkNTyiqVAFjwzp2sp2RLDiGir3YYo2UhK4="
NS
3 record(s)ns03.american.edu. ns02.american.edu. ns01.american.edu.
SOA
1 record(s)ns01.american.edu. hostmaster.american.edu. 2013078318 14400 3600 2419200 1
CAA
0 record(s)—
Not configured
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:7l3pg1rug3.powerspf.com ~all
DMARC
Configuredv=DMARC1; p=quarantine; rua=mailto:479v60wbtx@rua.powerdmarc.com; ruf=mailto:479v60wbtx@ruf.powerdmarc.com; fo=1; t=n;
DKIM
Selector selector2v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCaxsB7hphepUbPsvBFTVJVDmFMPtbXMuh0/kqk/oCCqHlIopNFuK+HnJ3aGAieJRO0mIsXiRzsHglz4ZQSHca1yBx+JNeX6i3rDct2eCpRbqHhGMoI0O68ei91JXAKE7mHM/Q4HHeEM3viK23PFq62vqFmz7NBgzfm7Wkt33bJlQIDAQAB;
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Just a moment...
Description
Final URL
https://american.edu/
HTTP status
403
HTTP
Status
HTTP/2 403
Final URL
https://american.edu/
Version
3
Server
cloudflare
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Internet2
CN
www.american.edu
Valid from
2025-08-05T19:00:00-05:00
Valid until
2026-09-06T18:59:59-05:00
Days remaining
28
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
8 activeHSTSNot detected
Content Security PolicyImplemented
X-Content-Type-OptionsImplemented
X-Frame-OptionsImplemented
Referrer PolicyImplemented
Permissions PolicyImplemented
Cross-Origin-Opener-PolicyImplemented
Cross-Origin-Embedder-PolicyImplemented
Cross-Origin-Resource-PolicyImplemented
DNS propagationComparison across public resolvers
Public resolver comparison
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8104.20.42.212, 172.66.167.252
34,74 ms
Cloudflare
1.1.1.1104.20.42.212, 172.66.167.252
82,52 ms
Quad9
9.9.9.9104.20.42.212, 172.66.167.252
101,86 ms
OpenDNS
208.67.222.222104.20.42.212, 172.66.167.252
51,50 ms
AdGuard
94.140.14.14104.20.42.212, 172.66.167.252
66,88 ms
IP, geolocation and ASNAssociated network information
104.20.42.212
No datasuccess
No
country
region
city
asn
organization
isp
172.66.167.252
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
american-edu.mail.protection.outlook.com
Port 25: Closed/unreachable - 20.1 ms - Port 465: Closed/unreachable - 4020.7 ms - Port 587: Closed/unreachable - 4002.9 ms -