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77
Total
85
DNS
90
Email
65
Security
100
Network
60
Availability
Domainmahidol.ac.th
IPv42
IPv62
MX records1
StatusActive
Domain technical report

Mahidol University

mahidol.ac.th

Mahidol University (MU), an autonomous research institution in Thailand, had its origin in the establishment of Siriraj Hospital in 1888. Mahidol is among Thailand’s most prestigious universities with highly competitive entrance examinations.

Generated: 2026-08-10T10:23:04-05:00 · Cached result

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IPv42
IPv62
MX1
NS6

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

6 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 propagation0 / 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

137 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

!
HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: a23-211-255-66.deploy.static.akamaitechnologies.com

✓
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)
23.211.255.66
23.211.255.33

AAAA

2 record(s)
2600:1407:7400:3d::17d4:6ef
2600:1407:7400:3d::17d4:6e8

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
5 smtp.google.com.

TXT

21 record(s)
"lqapdg9a3omfgvopapoeni3can"
"v=spf1 ip4:202.28.138.1 ip4:202.28.148.1 ip4:202.28.161.0/24 ip4:202.28.153.0/24 ip6:2001:3c8:2707:10a2::105 ip6:2001:3C8:1202:40A2::105 include:spf.protection.outlook.com include:_spf.google.com ~all"
"Foxit-domain-verification=148bfc7ce2d896afb623476fd0837360"
"oqsbl2q20fvnp0v5gcdn8m8rv7"
"scnqOoQkaTgznLv+CcZDEXo4nPFqS1RClYn2O3aExPBR/aq1rc9h3Gq2TkvCaSoMdK6xyR5cZoHc24EcWaiz/A=="
"adobe-idp-site-verification=a0d1f15c6af794c4eb3c9ff3d7abb56fd644c861c0c821a372d7cf463db3fb37"
"google-site-verification=XaSZ4e4rcs-sU4i4J9rtqxGAoFzLcd8x7I_Iph0nDlQ"
"M-WSkuQ7Jd1ZL_gUVUB0DBv6pQKnHkmNV_r9wGvwIds"
"google-site-verification=SOE1_v2ea7BKr9dOTTSKp4Gnw7O_ktdyYPQbmpDaOG4"
"7saje6n6uvc00o35nlk37u5p3j"
"Pajtpi5qX1Xs0LUtaX34lLPXQv85PpMBRBZFPiY-it4"
"7wX0LsqdbwvrFnNEn8qMCT7hodkeIb-dYtv-YdqyESE"
"google-site-verification=qulMXaQrM2p6u75zsO3PWEIJSQUnHG-nFSrCW9e8cYU"
"pjr06bpmf4bmt6s0q4yf15341f63hw8x"
"U2Kl0QcHUl3RbsE-PDZb0dxFTZP-ofdqSUBf-8E-IwM"
"cisco-ci-domain-verification=7f14c2e1cb1e32f5e839ef85a634b8dd5160f73e74c2a6df1d3b7070981a061"
"google-gws-recovery-domain-verification=56775438"
"uUnEfse82udZFX5Hi-IiBYEqRytMsX7tqxs7tWZSdSU"
"kpk24elvcgrbp65s5c2418m8si"
"MS=ms88050012"
"63MBB_FFZjIPCDgr1N7QenV1u-t6EDNODOJxMLYofy4"

NS

6 record(s)
a22-67.akam.net.
a5-67.akam.net.
a11-64.akam.net.
a8-64.akam.net.
a1-116.akam.net.
a10-64.akam.net.

SOA

1 record(s)
a1-116.akam.net. dircopit.mahidol.ac.th. 2025112196 3600 600 604800 300

CAA

0 record(s)
—

Not configured

DS

1 record(s)
20223 13 2 6B823E2735A20F41F7FF1DAED5582B9BADC764190325C1455C00735C 153A8A38

DNSKEY

3 record(s)
256 3 13 GLHr7bICHu4ZTAm6CuoZxy5zYAsMpAEYxd1GmtcDv6l/C7a3Yqp4o5CE gwllNIcdJdoEIXHkZq1gHJ6RSS6bqA==
257 3 13 jrEGwi+CMpdg0rtVwsfMEYYRutuSKV3GsGLE3fTqlSvCAq4HacQgGUV1 Rw2XNW5qLaWRg5g5j8pWnsKXTiadmg==
256 3 13 vcajXErHLHO5ub3/ZwQ5TdHVJaAdc+Lqn/wHq/sfmle58Gto1A6v2cO7 28HoJsm4bEfpUHwSEmpWH/qcJhb4Zw==

RRSIG

3 record(s)
SOA 13 3 300 20260812182502 20260809172502 22455 mahidol.ac.th. JxFkMMjWus0inXgiv1PZmsWkM9Qiu01l605lGkGYHuef7SfmzJ6G9xLx ZPEK/WnGPYRFgMTFCfmXeiG49bEj7g==
NS 13 3 300 20260812182502 20260809172502 22455 mahidol.ac.th. CTyyhQRPVM2PUnaEoARn7MpHD6xwin+XrYyDKdK2+CwbwyLntQJqlw5v RB66VpBnqaQiKWK1qKauopfM52ZV4g==
DS 8 3 7200 20260824020355 20260809022002 19308 ac.th. RpWRZTJJPFXAQxvCmPGf7yWTcCp6f9MQNhHhxGBpYo/o0kR0YkCFFJ+T g7bjrUDkLWDzlxzvOV245oZkfXI2bqnMB9xnuoPpwlozbfZ4BWk8eONV 374XPahW4FVbAOJuYvUMQU79XXDVS6jMRd3x2Eg+Xt9Lv8uU/yOjYPjN N/k=

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 ip4:202.28.138.1 ip4:202.28.148.1 ip4:202.28.161.0/24 ip4:202.28.153.0/24 ip6:2001:3c8:2707:10a2::105 ip6:2001:3C8:1202:40A2::105 include:spf.protection.outlook.com include:_spf.google.com ~all

DMARC

Configured
v=DMARC1; p=reject; sp=none; rua=mailto:noc@mahidol.ac.th; ruf=mailto:noc@mahidol.ac.th; rf=afrf; pct=100; ri=86400;

DKIM

Selector google
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCb4Kp10HqUU5SyePWvbRxweeZ1ZMsEvC+Eac+6iyqKWPUn2nve+f5qqMqxEPcb7oRSj2R+6VlOq2SJcKhV2cT2xx5rjZv5vld4Y46VvpOQBlmMr8721qfKREcyBrf1fJwLEmYjGMwirGdPnrsER0jHpGsCzJ91IniqtUe/clguCwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Mahidol University
Description
Mahidol University (MU), an autonomous research institution in Thailand, had its origin in the establishment of Siriraj Hospital in 1888. Mahidol is among Thailand’s most prestigious universities with highly competitive entrance examinations.
Final URL
https://mahidol.ac.th/
HTTP status
206

HTTP

Status
HTTP/2 403
Final URL
https://mahidol.ac.th/
Version
3
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
*.mahidol.ac.th
Valid from
2025-12-25T18:00:00-06:00
Valid until
2026-12-25T17:59:59-06:00
Days remaining
137
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

0 active
—
HSTSNot detected
—
Content Security PolicyNot detected
—
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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
23.211.255.33, 23.211.255.66
53,13 ms
Cloudflare
1.1.1.1
23.216.5.136, 23.216.5.151
391,06 ms
Quad9
9.9.9.9
23.55.236.138, 23.55.236.141
62,33 ms
OpenDNS
208.67.222.222
23.211.255.33, 23.211.255.66
204,25 ms
AdGuard
94.140.14.14
23.49.251.200, 23.49.251.202
82,29 ms

IP, geolocation and ASNAssociated network information

23.211.255.66

No data
success
No
country
region
city
asn
organization
isp

23.211.255.33

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

smtp.google.com

Port 25: Closed/unreachable - 53.5 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f206df83si8548191fac.257 - gsmtp
Port 465: Closed/unreachable - 4020.2 ms - 
Port 587: Closed/unreachable - 4013.9 ms -

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