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Total

DNS

Email

Security

Network

100

Availability

Domaintamu.edu

IPv42

IPv60

MX records2

StatusActive

Domain technical report

Texas A&M University | Texas A&M University

tamu.edu

Texas A&M University (TAMU) opened in 1876 as the state's first public institution of higher learning. Today, we are a research powerhouse dedicated to educating the next generation of leaders.

Generated: 2026-08-08T19:26:18-05:00 · Cached result

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IPv42

IPv60

MX2

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 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

156 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: aff74224b277c7807.awsglobalaccelerator.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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

99.83.234.45
75.2.123.204

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

100 smtp-relay.tamu.edu.
10 tamu-relay.tamu.edu.

TXT

49 record(s)

"atlassian-domain-verification=9lGO5Gpkk8I6UlQhyksa2MfOqTSDtEH4TfMlShOboGL0xcaXzQVTGPauWDRfzZGu"
"airtable-verification=c246e76419d4d2ce05c793524f5ee632"
"FHikcf/HWK9SQK9BzqAFKtgbhKTtVF5ShZRTvIyN5OtiA6T3PHOmF4hgf549mDgKgm5B8ZREqAdfUURGiYYS0w=="
"cisco-ci-domain-verification=723bd037562b7191c5429ce9ae1d72f3c6c627bc287f00ff7f2daac9517c79b2"
"docusign=9db61bfc-aa28-48e4-a727-e03a8ac79225"
"smartsheet-site-validation=fPnaZcNcP6-o1OAunnOfSrxBT75EK8oF"
"dell-technologies-domain-verification=tamu.edu_9f94503e-13af-41de-af8b-6b36c1c1570c_1751813894"
"e2ma-verification=un7fb"
"sz5tnrqe22yljc95ectd7u3nauiwvkjnfjdp8ywsqypcghiutkk1hjmeum+rrmfczx7infnjusern2i2nbpwma=="
"e2ma-verification=pr1fb"
"google-site-verification=EZ_4EOX-DfqxHod6w4LxjeMhpxzqMF3dhO1hwY5Rc7A"
"airtable-verification=26efa5dfc74071e1ae2133b732f8baa2"
"atlassian-sending-domain-verification=317ff8dd-0c54-4dbc-84d7-b8a3f5673baa"
"60D4DE7783A5CA00C319E7CDADEE17BD"
"adobe-idp-site-verification=4d354aa550e6abf768c5a39cde7b8e04ba9b8fb3697b28763eb388555928565f"
"google-site-verification=gbLDbh-Q1KfBG2HlZvIUsuGLsaHEXnO_kW30uedj-nU"
"e2ma-verification=zo1fb"
"airtable-verification=237c5293eac75db5d9613ca0ad757aab"
"airtable-verification=7f9b76c535b86002ae3c7305518eabc9"
"yuke0bcsl3x1xn6/2o6sgwvfu+4yt7zhpiozq725tz+dcy7jmxqfjzdsq6tom0rjfyborf1ypg0ks9gilfz2tw=="
"pardot895011=13f5b334120286511406da291145230ad13c6451a0d0d7d73952914260674bf0"
"e2ma-verification=4hccb"
"e2ma-verification=eyhbb"
"pardot455902=49d87e510c5f876c55ae3d0126992ab87f26dbe5c152558c870392c320218609"
"ms=ms74999999"
"atlassian-sending-domain-verification=a9aa3b01-967b-4038-89b2-8e8a1357e04b"
"intersight=0f506fa5865ab1a5c372d06c9e142d59cbc742a950c76f546713d487bb1fc794"
"e2ma-verification=sa6fb"
"google-site-verification=0yJOyuO9ISYcj-5AZGV_GouXcnY5iyKQy7RM501MJxM"
"amazonses:5Enu9IrxeDKi8/YmjFymoqDfCvcfMHx9vAgPHur1bDQ="
"openai-domain-verification=dv-GRRdxrhcGwuMPv8xdumILtAO"
"00D41000000edFH=1TBQn00000008td"
"docusign=7be6060a-425c-4689-bae9-25f5497bb483"
"jamf-site-verification=8Vr2DObPXdvSL5-L8WvJdA"
"e2ma-verification=33ogb"
"zoho-verification=zb95960090.zmverify.zoho.com"
"v=spf1 include:spf0.tamu.edu include:spf1.tamu.edu include:spf2.tamu.edu include:spf3.tamu.edu include:spf4.tamu.edu include:spf5.tamu.edu include:spf6.tamu.edu include:spf7.tamu.edu include:spf8.tamu.edu -all"
"atlassian-domain-verification=SX81a26xZXI9jy8nyUrAmPa0DU2RKKr+7pXOgOHD3byqM1OTDmHWUDPjc3oTm3GB"
"e2ma-verification=wl6fb"
"tamu.azurewebsites.net"
"e2ma-verification=k45fb"
"mandrill_verify.h7er6raE5IiKhTEXjkM_CQ"
"google-site-verification=GBXS68BAiKd-p40xAQZxFUdvbMFGBXGfH7N-lSoQfH4"
"e2ma-verification=ta6fb"
"970A40D80414457DA14D32BB7D9AEC1B"
"quickbase-site-verification-7decf3b1e1b28fbc23e2fd9e78861481457c332d"
"e2ma-verification=wtybb"
"perplexity-ai-domain-verification-yn637n=2fMsNzRT0FF2rA3wzJKr67kmC"
"S3PTAINIC1D05FEZBAG78ZRL3L62TYT3Q9JX3WGF"

NS

3 record(s)

ns2.tamu.edu.
ns1.tamu.edu.
ns3.tamu.edu.

SOA

1 record(s)

csce-info-grid.net.tamu.edu. infoblox.tamu.edu. 12357425 14400 1440 2419200 900

CAA

0 record(s)

—

Not configured

DS

6 record(s)

14692 8 2 085BC98E3160AF3155668E9FCD9618D18D711199B0A684AAC4D4EF7F 4C2D8507
28135 8 1 A25B58CBCB9420F0F914E1C1063906C4A1C6F576
43804 8 2 4D9FC6EDC1D337820DF573C155FBE6314B3BC7DB89D027A4C9A58B6C E4F5EBC8
43741 8 1 6BCF67CAC96AC638DCBE70F8512469301B96ECB7
43741 8 2 6E2D5103838D8F3F51B61524E9F40181745231E78E73F1115297073F 353B3239
28135 8 2 DE57C3B57EEC6D4C7C35C287887A38E29BF5071CF928C4B31313AEA5 4A620361

DNSKEY

4 record(s)

256 3 8 AwEAAbbjLlTxoEyda/msEVa3oRwPymCrhPlfnJH9vGg24XIAVQphBG5R 8UvCa5iJ0Ex0N5UV8tx5aARPhXRFZ3zNekygWWThZUt+8qF9CO0lK1GU UnAYbXm9qWwgKsJysD7/mh+/ATPAEkkkMBQvESp4iJOZUJq4VZ1ZcqHl PNIc+oNayXzEhKhrcDDTJoGHCkCtBsmAMgZbvZ5VrdUWug51+n2C0DoZ 4/7e+x1N17ZZZ75t5MR0ItEkMHE+cgN1nTDkUvGb9THRh4Sqm9qXDbwp n/g+dXsWxYnTZCSI1IBzod3dht0iMPVp8eehdt07roK6UFc8RhVxfih5 ch58MxtGNls=
256 3 8 AwEAAejDSkd0DBgFcIeZCh1g8AVCJGCOJsmOEeTu3vXAeX0i/CU378GW UzWc9QJ2CkyfyVBnG2XCBtBEG5N4WcbM+w+FTLwLK3099GJAOK18vJnb o5sMQ12d5IVM8UETu3N6Q297X2Ooq9kDxIsNzscYIJbQ7D+vy9Q7cprs peOLL8mPU4gHjs+SAV4adf6o8x0y4MkiaCZAjaZP6mOcqgKFM/9n6N3v htGscv3ceO9SLwNLoy/o0MIJ+KYAkFAncvjPitP6ie9pg0Y3se3Cvz5g ISIp2pRLpL49v8nwnFrJXkTD/pEeVCuRaPTMd1MRsapM2NyW8LbxOdM/ V3mUlkXI86M=
256 3 8 AwEAAdU/y+ZQ4FkOqT2SMWJisSJe+zvtMd770zvwCFvaXkF8MzLFvEj/ 6RgmUvCzjPurJWBuhx3iS7TqaCu1py6arw84jUHhnaFULoa2BV52YOXZ QpGz6cTk3QQfsSSKPYu+T19ZsnmH6PiYLttZKVvO6O+8efc681EHj19D mltcfJkmYhoESAt59p/DIQ7e2XP+19426vvUw7c+B9TQ0ArcYgd0eQU4 VFVuyAI+SSW4Wt4GcmSpwL3Zm3yxYDhEfxaVMiyJ48AqhFaDQGL3Dhbs z4bZnw1Nanv0P7diX+c/ifrR3A/gvVZ7o3IU8O2HTvFjYkiYCriidlEN oUClEStimmM=
257 3 8 AwEAAdrwhZW+9m3TLzrhV2vVRth6p6AuTPX0sXHwIq3mv+hx1FDlaYaB 6fJnAgJg6t7sbVqbDgDkwt4cDKvnprmt9BrH6NPoaLmuLmHvheDgCk+B 4gM+hizUn0O3ydVyxhUSRUo0vdEiQHhsoXPBa4hCAVtGDH9iBCG3ZmMf sABZvFrGt0OccyDf+XdHh1cynzfCT7Si+73ivCT+LST8iVYcglCDn6g/ HZ1nNFaoKPFgPkpwKcOhmm5r0xTZH3KMZpW/H5+0F13JyWvr1xVBgu9L +dHK4yENSiIAeU4nU9mXh0f/RZ4JN4RRiuLpMzLUd0fwKAjAqEoxPCAv relbklpnhMU=

RRSIG

4 record(s)

TXT 8 2 3600 20260812212842 20260808211212 17821 tamu.edu. U/hUt6Nq2CECBBtjSJHG6C3LLKqbkcNlAuq3CwSCttsQdGIToiWA4y6b j8aj6r1vKEKaW+mSPAMajpg5aXzELNnOjIkw4ZxEZaym5oABuuh3lDRL 7sZxcTRCBgSLshJSaYG7rzYKQZPdWUcnw/31usxm4lo3HxPc/E3VtZvK tFfdt3z9K1R51aHd97jv3Y8eUoiUh27UhDm6qi5n/iNCz02pM4WFdb77 IYdKL1QqyEnO84R7stt30cw25RxWYnmtcmT8Ss5FEYSs8fsTL0zu25yk ORgDL1zlsKYdxDQcviZWrf7i3rpphCz6pe9/hK9ol+POHU8HbGjX/nxe dQoLiw==
MX 8 2 3600 20260812211713 20260808211256 17821 tamu.edu. YbQYm8Yf1APj7n44EtalbHw3Jud5j0y1vGV0vb3ruXcnJMVIhbYEw0GD iO5qg+p6hQkXj1lcHCUVWsK0qM/dN/ad7IpiYKP6Glnu3a0T+sRrumE6 bGdsQ1ojkIbUA02h7jMxwerDSSsH4YJd4Yf42ciS/ki74KrLuI0phs2J RDhUki5dxz2XVbY9f8HsdLwe+ojOyaTcEjW2+3yrcm6t3M2CV+zBFz2L a0aAEV4ZKe/HZjGnDYJMldoIp3KEG60YXlKw4fMd+CNJ8CsSB8IMB2jT 5knSqGEFfxhmmsyab5q2TmPb3+q+X197EM8mvcUQYD3pc49Kgs9XT9Lc YLMwpw==
DS 13 2 86400 20260814033305 20260807022305 6705 edu. xZ4pNGNKkWlX5m7GZplUx9LnVl/1MW3Eo75yFOCIO9Ly1zYyENZ7AeP7 VJc8BUIpHki8In5qlyk5vzKONj0oWg==
NS 8 2 3600 20260812212842 20260808211212 17821 tamu.edu. NlbP21h6Dc3VxnjrNVEtvfOifOYZC4RZ/1UFvo/DWwy5FjGN22blHdZE nF4dhGhzUkF5GFjb1azrZTnz76EAo6T8fNF7HasSOuJOJu7VJN8nm42C P4i1Nfp0elPjXI3dhWJy9Ziex5+8WmTgcWktZw56u8+GX5xvxde6Xv0b XZ/lZV27xW/Yej80SC8Smzd4O+7knrES5V6XCqVGDdTrT7dM8sAOIZSM EE5GCuWX9RvSriYn8MaC2YjRRNSZ43p9TsikPTZLLv6hSNAaDmt67zoM /V6GDMLwo12uUTtdw7qORn9Wc9ibIYMcw7CIiROhXzuhRBamYUNCgXIW xAoCzg==

NSEC

1 record(s)

019bltn12-109.tamu.edu. A NS SOA MX TXT RRSIG NSEC DNSKEY

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:spf0.tamu.edu include:spf1.tamu.edu include:spf2.tamu.edu include:spf3.tamu.edu include:spf4.tamu.edu include:spf5.tamu.edu include:spf6.tamu.edu include:spf7.tamu.edu include:spf8.tamu.edu -all

DMARC

Configured

v=DMARC1;p=quarantine;sp=none;fo=1;rua=mailto:dmarc@tamu.edu,mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc@tamu.edu,mailto:dmarc_ruf@emaildefense.proofpoint.com

DKIM

Selector google

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmvu6oITPaqv9NJrF/tfQlpuG011zELBRlv1SEukxUxGTecP+UXchiBI5j0W5Bi8gteNJniTYjsAWvvGoSs4s7cyA8yE6FzPgVNeO4OFN83A2ChPt0bn87H46sOy3v1gNTt17kKnpaljJ3/hxrdHJm09nTxk3nigy8leL9vMC//b90x4C9+igZ4dYS/QhByX8pXz/rpQFcakxSxxnSzpBcByY7cyYFeU8CsJ1lJw7KilBpGkAKZaqwlLa/nAXw/CBcaHvydN1H0QSRr0Zf9TbrXc6KFXeLCh6f5BIur6IJ6gkW1uD6G9WYm0+ozJC4xQtQfIs7EvQ81vcXmy6ofGqpwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Texas A&M University | Texas A&M University

Description

Texas A&M University (TAMU) opened in 1876 as the state's first public institution of higher learning. Today, we are a research powerhouse dedicated to educating the next generation of leaders.

Final URL

https://www.tamu.edu:443/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://www.tamu.edu:443/

Version

Server

AmazonS3

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

prod.www-site.cloud.tamu.edu

Valid from

2025-12-13T18:00:00-06:00

Valid until

2027-01-12T17:59:59-06:00

Days remaining

156

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

—

X-Frame-OptionsNot detected

✓

Referrer PolicyImplemented

—

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

75.2.123.204, 99.83.234.45

89,16 ms

Cloudflare

1.1.1.1

75.2.123.204, 99.83.234.45

79,65 ms

Quad9

9.9.9.9

75.2.123.204, 99.83.234.45

83,81 ms

OpenDNS

208.67.222.222

75.2.123.204, 99.83.234.45

83,48 ms

AdGuard

94.140.14.14

75.2.123.204, 99.83.234.45

125,81 ms

IP, geolocation and ASNAssociated network information

99.83.234.45

No data

success

country

region

city

asn

organization

isp

75.2.123.204

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

smtp-relay.tamu.edu

Port 25: Closed/unreachable - 28.6 ms - 
Port 465: Closed/unreachable - 69.6 ms - 
Port 587: Closed/unreachable - 69.9 ms -

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