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Total

DNS

Email

Security

Network

100

Availability

Domainaub.edu.lb

IPv41

IPv60

MX records1

StatusActive

Domain technical report

American University of Beirut | AUB

aub.edu.lb

American University of Beirut provides world-class research and higher education to more than 8000 students, founded in 1866 to encourages freedom of thought and expression. Apply to AUB

Generated: 2026-08-10T21:05:55-05:00 · Cached result

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IPv41

IPv60

MX1

NS5

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

5 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

179 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 DNS0 / 30 pts · Network

PTR not detected.

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/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

40.127.138.74

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 aub-edu-lb.mail.protection.outlook.com.

TXT

9 record(s)

"google-site-verification=9MsV81Hg7gw2Sgc4tNSXaQktR2FWaGTUeYxZtLBb3Lk"
"google-site-verification=fwk46Yls3T43Nu3xZ677JWvPpfeSfaYF_cesWhonw-Y"
"google-site-verification=NIoCNLajkOt8Tm9mZfAcX2oYc9oWtCG3yxwLDiJXmeU"
"openai-domain-verification=dv-DWZ0HxSw0kUap6jjuTBsOiGk"
"ciscocidomainverification=421e71e3fc1322e159b9b2f1506ee2b6e8d9e3b38b975a6c68409d591b5f4c0f"
"mentimeter-7517212d-53b0-454a-a51a-58de590aaad4"
"v=spf1 +ip4:193.188.128.10/32 +ip4:193.188.128.39/32 " "+ip4:193.188.128.41/32 +ip4:193.188.128.50/32 " "+ip4:54.240.35.57/32 +ip4:193.188.129.5/32 " "+ip4:193.188.128.69/32 " "include:zcsend.net include:_spf.salesforce.com +include:spf.protection.outlook.com include:spf.symplicity.com ~all"
"apple-domain-verification=6gAxqrh5UO8G0TgM"
"HARICA-Jck6FQFsbhgljuf8FV3"

NS

5 record(s)

lava.aub.edu.lb.
magma.aub.edu.lb.
zeina.aub.edu.lb.
rose.aub.edu.lb.
ash.northeurope.cloudapp.azure.com.

SOA

1 record(s)

zeina.aub.edu.lb. postmaster.aub.edu.lb. 2026071600 86400 3600 2592000 86400

CAA

0 record(s)

—

Not configured

DS

0 record(s)

—

Not configured

DNSKEY

0 record(s)

—

Not configured

RRSIG

1 record(s)

NSEC 14 3 86400 20260825014038 20260811001038 31332 edu.lb. sytxDKJvTZA5wzOV9Lasr+V06V+zrWkvEEfiDUE+Lo4XX2qYptbtNKxV iUnRezQSnJBDPOrpRpeWJji7ssdLzKrVXZagDqwX5qE6smDNLYzac/9N o8AMo7AIQN4T96d/

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 +ip4:193.188.128.10/32 +ip4:193.188.128.39/32 +ip4:193.188.128.41/32 +ip4:193.188.128.50/32 +ip4:54.240.35.57/32 +ip4:193.188.129.5/32 +ip4:193.188.128.69/32 include:zcsend.net include:_spf.salesforce.com +include:spf.protection.outlook.com include:spf.symplicity.com ~all

DMARC

Configured

v=DMARC1; p=none; pct=100; rua=mailto:dmarc@aub.edu.lb,mailto:dmarc-reports@aub.edu.lb; fo=1

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDxYN2pMm65xtR/eHFr2QQyWvJkCTE/bB8nefoLpp4ssjaIzQ+QuuKvRI0I2vQptvAKpoRdwPMVGjhp8K4Cu7DEIpNQDOn6sqIkYWksF/0F3cS8GWGjtSWGdKr+7kFDmuSEg/LUdDez7KyZ2r2GReZPUrw7tGvIetUJj+KWLSlzhQIDAQAB; n=1024,1450845024,1466656224

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

American University of Beirut | AUB

Description

American University of Beirut provides world-class research and higher education to more than 8000 students, founded in 1866 to encourages freedom of thought and expression. Apply to AUB

Final URL

https://aub.edu.lb/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://aub.edu.lb/

Version

Server

Microsoft-IIS/8.5

X-Powered-By

ASP.NET

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Hellenic Academic and Research Institutions CA

*.aub.edu.lb

Valid from

2026-07-22T18:39:43-05:00

Valid until

2027-02-06T17:39:42-06:00

Days remaining

179

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES256-SHA384

Security headers

3 active

—

HSTSNot detected

✓

Content Security PolicyImplemented

✓

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

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

40.127.138.74

211,95 ms

Cloudflare

1.1.1.1

40.127.138.74

615,78 ms

Quad9

9.9.9.9

40.127.138.74

23,17 ms

OpenDNS

208.67.222.222

40.127.138.74

671,46 ms

AdGuard

94.140.14.14

40.127.138.74

47,28 ms

IP, geolocation and ASNAssociated network information

40.127.138.74

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

aub-edu-lb.mail.protection.outlook.com

Port 25: Closed/unreachable - 35.8 ms - 
Port 465: Closed/unreachable - 4044.7 ms - 
Port 587: Closed/unreachable - 4017.9 ms -

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