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Total

DNS

Email

Security

Network

100

Availability

Domainlamar.edu

IPv42

IPv60

MX records1

StatusActive

Domain technical report

Lamar University is a Nationally-Ranked College in Texas - Lamar University

lamar.edu

Lamar University is one of the fastest growing universities in Texas. Lamar University offers more than 100 programs, from bachelor’s to doctoral degrees.

Generated: 2026-08-11T01:57:15-05:00 · Cached result

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IPv42

IPv60

MX1

NS3

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 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

95 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: montageeventcenter.com

✓

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 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

2 record(s)

140.158.64.248
147.26.255.248

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 lamar-edu.mail.protection.outlook.com.

TXT

11 record(s)

"google-gws-recovery-domain-verification=73650867"
"jamf-site-verification=qZRKvWk5X_1vHzx05GiY1A"
"atlassian-domain-verification=XjYX1Kh8aGOzZz1ufbbxxPhMawainzVoJrNTaYACLNtSd3vu0jjP3XYADVCkDKhG"
"v=spf1  ip4:140.158.60.0/24 ip4:140.158.64.0/23 ip4:147.26.255.0/24 ip4:140.158.4.0/24 include:spf.protection.outlook.com -all"
"smartsheet-site-validation=gLxLFcYbSxfz3HvsDr_m1eqrDL8d68S5"
"182CF473E8F31B466015C361A47E73C0"
"MS=47058CE6F6D9B1081E9F611D3D71F4F6133D836B"
"43F42DE2FF4ED2798DAB265E78512B55"
"google-site-verification=M2l_5VYUJpxgSzT6kx6rKKYm9YgFaARUOpdh4gx33Ak"
"apple-domain-verification=0ctYfGptDF62Rtbz"
"adobe-idp-site-verification=cc2bbc98-bdfa-4ddc-8c99-a2fde1694682"

NS

3 record(s)

GERI.ANGELO.edu.
DNS2.lamar.edu.
DNS1.lamar.edu.

SOA

1 record(s)

DNS1.lamar.edu. system.DNS1.lamar.edu. 2026080501 300 300 1209600 300

CAA

13 record(s)

0 issuewild "sectigo.com"
0 issue "amazon.com"
0 issue "usertrust.com"
0 issue "sectigo.com"
0 issue "awstrust.com"
0 issue "pki.goog"
0 issue "emsign.com"
0 issuemail "sectigo.com"
0 issuemail "emsign.com"
0 issue "amazonaws.com"
0 iodef "mailto:infosecurity@lamar.edu"
0 issuewild "emsign.com"
0 issue "amazontrust.com"

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

Configured

v=spf1  ip4:140.158.60.0/24 ip4:140.158.64.0/23 ip4:147.26.255.0/24 ip4:140.158.4.0/24 include:spf.protection.outlook.com -all

DMARC

Configured

v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:abuse@lamar.edu; ruf=mailto:abuse@lamar.edu; rf=afrf;

DKIM

Selector selector2

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDwIp17Q38pw3Zxml2QbeCtjM9O1vNs80ze0ewnPCiVGkF6dJqxILE2rpziqfn3krrUycwFGTGQaUsLtSnXuxXoCDjY8QvcB6o8W2xIjexjI2CwLpooMAxN5PS2ZzE3slnyOaNFD2eNDCnABE/sXi8trtTiE4x0nxW9Wuoj4C3JhQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Lamar University is a Nationally-Ranked College in Texas - Lamar University

Description

Lamar University is one of the fastest growing universities in Texas. Lamar University offers more than 100 programs, from bachelor’s to doctoral degrees.

Final URL

https://www.lamar.edu/

HTTP status

206

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.lamar.edu/

Version

Server

Apache

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Internet2

www.lamar.edu

Valid from

2026-04-29T19:00:00-05:00

Valid until

2026-11-14T17:59:59-06:00

Days remaining

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES256-GCM-SHA384

Security headers

1 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

✓

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

140.158.64.248, 147.26.255.248

58,76 ms

Cloudflare

1.1.1.1

140.158.64.248, 147.26.255.248

622,45 ms

Quad9

9.9.9.9

140.158.64.248, 147.26.255.248

148,39 ms

OpenDNS

208.67.222.222

140.158.64.248, 147.26.255.248

147,79 ms

AdGuard

94.140.14.14

140.158.64.248, 147.26.255.248

186,90 ms

IP, geolocation and ASNAssociated network information

140.158.64.248

No data

success

country

region

city

asn

organization

isp

147.26.255.248

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

lamar-edu.mail.protection.outlook.com

Port 25: Closed/unreachable - 41.4 ms - 
Port 465: Closed/unreachable - 4037.6 ms - 
Port 587: Closed/unreachable - 4008.4 ms -

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