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85
Total
95
DNS
90
Email
96
Security
70
Network
60
Availability
Domainbiodiversitylibrary.org
IPv42
IPv62
MX records2
StatusActive
Domain technical report

Just a moment...

biodiversitylibrary.org

Generated: 2026-08-10T03:18:20-05:00 · Cached result

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IPv42
IPv62
MX2
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

2 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

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

38 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
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 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

2 record(s)
104.20.24.203
172.66.154.106

AAAA

2 record(s)
2606:4700:10::6814:18cb
2606:4700:10::ac42:9a6a

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 us-smtp-inbound-2.mimecast.com.
10 us-smtp-inbound-1.mimecast.com.

TXT

5 record(s)
"0ed1fe018ad2e8230a739b474a8f0e54246d3c6dca"
"google-site-verification=X5Hb3k-ZfTIjv_F7YbvmSirtub7heroGYTVuV6wKp7w"
"atlassian-sending-domain-verification=d4e5ade8-d6b9-4f5e-b085-be4d6144ce75"
"v=spf1 include:us._netblocks.mimecast.com include:lists.clir.org include:ccsend.com include:spf.constantcontact.com -all"
"MS=ms42814296"

NS

2 record(s)
agustin.ns.cloudflare.com.
autumn.ns.cloudflare.com.

SOA

1 record(s)
agustin.ns.cloudflare.com. dns.cloudflare.com. 2411422964 10000 2400 604800 1800

CAA

0 record(s)
—

Not configured

DS

1 record(s)
2371 13 2 849AAB45990B258B630E071E59B4475E5340ADB99C2743C19CA83A85 BDF05D55

DNSKEY

2 record(s)
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

5 record(s)
DNSKEY 13 2 3600 20260916152843 20260717152843 2371 biodiversitylibrary.org. d/CYdmk4KIoE0/Zxx5Sx8b5CjLOA0lYpzaTdi0e6dctsJ5hedOJzyb04 ErzdJ5n9o1Ts7if7JRIs6hUIjKffQw==
SOA 13 2 1800 20260811091815 20260809071815 34505 biodiversitylibrary.org. cUo7Uv2+iAWuFlz1Ny4QA9wkleEHfC6VqOpyaF77UpWO5OI+cdrhouO7 xkJ8zm+62suCIHHhqvvRbUm7a9PBsA==
NS 13 2 86400 20260811091815 20260809071815 34505 biodiversitylibrary.org. SOcL40+7kU+i/jN+Z4Sa7ENBZ11tlg5KluFCKnBD7J/WkYt8X8z7Bd7A rJvqsQAWk988XYUu0rjFptgl6G417w==
A 13 2 300 20260811091815 20260809071815 34505 biodiversitylibrary.org. Y3tyi9M7wK2Y1Tt9uyg/8R+OOGGaHcSXPW4z4m+O0CgF+f0AK1nIrru7 skhT76x/vNqvVdzVXE7ke0HKswlPHA==
DS 8 2 3600 20260830152406 20260809142406 44925 org. kYXCGN7NLYSpRG7/Uv4+ST5+2DbjGALD5Z/XaZ844x0gqX98Q0g5pNic 2IigOKZr2TcCnbACa6UTnEEJZoVyVq9wl6KvPLDlJZrWEfPlcEjTEggj zZvSyI/hw7MoEy2qywB48l9DEWUbv64RZzq4Vv3uBtc0jiMHaH1dfdkB WIw=

NSEC

1 record(s)
\000.biodiversitylibrary.org. 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

Configured
v=spf1 include:us._netblocks.mimecast.com include:lists.clir.org include:ccsend.com include:spf.constantcontact.com -all

DMARC

Configured
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:8eb83ae1db2441fbb42248badb38f3d3@dmarc-reports.cloudflare.net

DKIM

Selector google
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkpvheVG2YrPGi00VNZJrSCpieJ6vFJxsgB9+2GexQD3QRk/kP7t6VP/NcDeH4CSruJFlw3+V9i4eNySzsX8NiuoFDmirDynEn/lng5uajmy/KR8Idob1dUyEJU6kOzt+gb8tEfL8aS/hL6pyFKthScSwHQiJ6TGzI/Effsc4LhE1R45/vP7wMlYRK3JGKZjgf52xnFVX17BsSQ9pA6fRdKCzFsi+pewzr85zc6U5KoXxVTJiQOpxU8oCsqd/3iNwiPFEDbTN72FbHcGH4AS3ZK4bmTQ3crcae3BjsHmQyMl3+K7iedAXzeicI/nuqYexeoa3fUmygu6vN7yol9djlQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Just a moment...
Description
Final URL
https://biodiversitylibrary.org/
HTTP status
403

HTTP

Status
HTTP/2 403
Final URL
https://biodiversitylibrary.org/
Version
3
Server
cloudflare
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
biodiversitylibrary.org
Valid from
2026-06-19T03:41:49-05:00
Valid until
2026-09-17T03:41:48-05:00
Days remaining
38
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

8 active
—
HSTSNot 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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
104.20.24.203, 172.66.154.106
124,45 ms
Cloudflare
1.1.1.1
104.20.24.203, 172.66.154.106
44,52 ms
Quad9
9.9.9.9
104.20.24.203, 172.66.154.106
45,12 ms
OpenDNS
208.67.222.222
104.20.24.203, 172.66.154.106
54,85 ms
AdGuard
94.140.14.14
104.20.24.203, 172.66.154.106
44,42 ms

IP, geolocation and ASNAssociated network information

104.20.24.203

No data
success
No
country
region
city
asn
organization
isp

172.66.154.106

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
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

us-smtp-inbound-2.mimecast.com

Port 25: Closed/unreachable - 1 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 28.3 ms - 220 us-smtp-inbound-1.mimecast.com ESMTP; Mon, 10 Aug 2026 04:18:20 -0400

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