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81
Total
90
DNS
90
Email
73
Security
20
Network
100
Availability
Domainblackboard.com
IPv41
IPv60
MX records1
StatusActive
Domain technical report

AI-Powered LMS for Transformational Teaching & Learning | Blackboard

blackboard.com

Discover Blackboard's AI-powered LMS designed for higher education, businesses, and government - enabling personalized learning, accessibility, and better outcomes worldwide. Contact us!

Generated: 2026-08-09T17:43:41-05:00 · Cached result

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IPv41
IPv60
MX1
NS4

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

4 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

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

60 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

i
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)
20.85.72.68

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 blackboard-com.mail.protection.outlook.com.

TXT

12 record(s)
"atlassian-domain-verification=sL0SeJrvzBUml3o/s27o80sReunbCTKElGcidHph2tiTaZ0nMg7YECa/wuQooaq/"
"rightscale-4938059c848a09deb829"
"google-site-verification=fTocuU2OdTBoe0z0NgNx_LFAThArXIONtFHyO--shKk"
"mixpanel-domain-verify=92235a82-8728-4950-9851-57c4eecd4342"
"wiz-domain-verification=f2232774b0adf1fc08b8c0f3fd5cb5f261d73c37f381e65ec1d6b4c26b9b6a0b"
"google-site-verification=h4SDO4a-PJNaavz2JFzCHiOqtvcVJG-r2SSOSwVnZcw"
"MS=ms40613892"
"v=spf1 include:_netblocks.blackboard.com include:mh.blackboard.com include:spf.protection.outlook.com include:eskerondemand.com include:49675397.spf08.hubspotemail.net include:_spf.salesforce.com include:service-now.com -all"
"pfXrSz+R3xXW/7frt70I2B9I5Ji3XNr+ndfiptWw0SwRIwJT1lzgMyka1en34swjl1jIwlBlvCnBBnb4zI+5bA=="
"docu-45723426-bedd-41e0-a6f0-664931fc3806"
"ca3-48cd68e33ded47618c454c158fa7dcaf"
"anthropic-domain-verification-48rh2p=nzud9NjNPq281qzpTWE5ucyiZ"

NS

4 record(s)
ns-337.awsdns-42.com.
ns-719.awsdns-25.net.
ns-1321.awsdns-37.org.
ns-1824.awsdns-36.co.uk.

SOA

1 record(s)
ns-719.awsdns-25.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

9 record(s)
128 issuewild "amazon.com"
128 issuewild "digicert.com"
128 issue "pki.goog"
128 iodef "mailto:dnstech@blackboard.com"
128 issue "sectigo.com"
128 issue "amazon.com"
128 issue "digicert.com"
128 issue "letsencrypt.org"
128 issuewild "sectigo.com"

DS

1 record(s)
48240 13 2 A3A017ADFEAB57E6010D12ABAE5B0F6DAC374BEC7060C10A9B154CA3 70A4601B

DNSKEY

3 record(s)
257 3 13 N8I/6i6TKAUvylZrMFRbYFXrqjBuAiYklpFxVm4T8OBNp9xKDgBeKq9O 8Ol/XtyZG0BLbJi91fc06qdetyPh+A==
256 3 13 1QydKMO/lDUDmMEc+OPZsh1dD/0/nDXsUDTkDXKEBy3Z7PDbIIH2KIcq ZGovWg/M/iP33b3DK31+5hOpHw55hQ==
256 3 13 DO186YJRu5Hc7yS1HipnxRAduYJDJQW0ujtjyv3JFinxhYejGPSFJQoC VjGTPOhwr11IV/NJctw6jER51V8kDQ==

RRSIG

3 record(s)
NS 13 2 172800 20260811234330 20260809214330 52461 blackboard.com. jsWlhJd/4OkshmfV3/T4JXD98YSe4rh8QwCdX9dbhccrfnesCcIy+69p ZnuRddd7IOIOpk//9VxcwxWMU8ws3g==
TXT 13 2 300 20260809234830 20260809214330 52461 blackboard.com. /LRTFZm72TIupMFKeby9XwHp/g2VC8D9/34b8e8pN9B9G2W00V/L0O0Q SUCG8C1xKHwhEVqgmkmtUY9ABE263Q==
DS 13 2 86400 20260813030450 20260806015450 41446 com. L7+GigDKbhTUlEQw5Y38IELdixTrLzbFtbC+zkUMbrJRjtQUVYuoKEx/ ySYziPK1k86Ip6KnhXqZc+9cimI08w==

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

Configured
v=spf1 include:_netblocks.blackboard.com include:mh.blackboard.com include:spf.protection.outlook.com include:eskerondemand.com include:49675397.spf08.hubspotemail.net include:_spf.salesforce.com include:service-now.com -all

DMARC

Configured
v=DMARC1;p=reject;rua=mailto:mkxlz6lr@ag.dmarcian.com;ruf=mailto:mkxlz6lr@fr.dmarcian.com;sp=reject

DKIM

Selector selector1
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtN6F7Eacqn/+LW9ziUE95F03ESMnwbFYAKyASQZtTYpscr2u2MfviCLpg+u67ndi73wQgOrP5FXkDQOyOrbtOEf075Oo3UjdU5gVk4ZDluMBtk0iFm0NuoYVemLK82dqsAROTFPj3d9w6I2Xcz1Btw3gnpDXva/Vm67PU5F+J7dz5EXlBFsgXAdsnfj1jaqTzlKZCxyn+mpTMkMQ3A6whe34PtxgrmOawtUt8w+R2oaOCrg/J8jpxpaffEi6xxvhwBnlugPeaGsaknDXv3LGTWvgGfVANg8ONkSpbPXLQOPh0vLVgGSqq5/1eOy2+kVYwJAgbpigijB+hMRUqYjEgQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
AI-Powered LMS for Transformational Teaching & Learning | Blackboard
Description
Discover Blackboard's AI-powered LMS designed for higher education, businesses, and government - enabling personalized learning, accessibility, and better outcomes worldwide. Contact us!
Final URL
https://www.blackboard.com/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.blackboard.com/
Version
3
Server
Heroku
X-Powered-By
Next.js

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.blackboardanalytics.com
Valid from
2026-03-23T19:00:00-05:00
Valid until
2026-10-08T18:59:59-05:00
Days remaining
60
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES256-GCM-SHA384

Security headers

2 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
—
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
20.85.72.68
79,91 ms
Cloudflare
1.1.1.1
20.85.72.68
52,67 ms
Quad9
9.9.9.9
20.85.72.68
51,42 ms
OpenDNS
208.67.222.222
20.85.72.68
82,33 ms
AdGuard
94.140.14.14
20.85.72.68
70,11 ms

IP, geolocation and ASNAssociated network information

20.85.72.68

Identified
success
Yes
country
United States
country_code
US
region
Virginia
city
Chase City
latitude
36.7993418
longitude
-78.4585771
asn
8075
organization
Microsoft Corporation
isp
Microsoft Corporation
timezone
America/New_York

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

blackboard-com.mail.protection.outlook.com

Port 25: Closed/unreachable - 35.3 ms - 
Port 465: Closed/unreachable - 4003.4 ms - 
Port 587: Closed/unreachable - 4054.6 ms -

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