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74
Total
70
DNS
90
Email
69
Security
85
Network
60
Availability
Domaingia.edu
IPv41
IPv62
MX records2
StatusActive
Domain technical report

Gemological Institute Of America | All About Gemstones - GIA

gia.edu

Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

Generated: 2026-08-09T17:13:04-05:00 · Cached result

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IPv41
IPv62
MX2
NS6

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 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 chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 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

102 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: a23-210-137-78.deploy.static.akamaitechnologies.com

i
IPv4 diversity20 / 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

1 record(s)
23.210.137.78

AAAA

2 record(s)
2600:1407:3c00:1492::2c77
2600:1407:3c00:148f::2c77

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mxa-00127701.gslb.pphosted.com.
10 mxb-00127701.gslb.pphosted.com.

TXT

11 record(s)
"MS=ms33414916"
"smartsheet-site-validation=GlkUtr7ydk7mQC7XbNRSNK0NuLYybi_8"
"docusign=b867577e-7848-4bd3-b365-46b9ce4014c3"
"v=spf1 a include:%{ir}.%{v}.%{d}.spf.has.pphosted.com" " include:mktomail.com -all"
"postman-domain-verification=02114280cdaeaf803bb81fc21e32a4ab8b05a020007c2c88c3f401d6a3bd3bc3b6447528ec1a0ef7b0652fc1e4dcb3acf2d8caf955563d9accf90d37fafbe9ba"
"atlassian-domain-verification=TkcZNJZrXCA8buUr3oaZC33u/RmcRSq2PL1FylaEahtTa6kA3saopcSEH1RwvBu5"
"airtable-verification=0b50d699b96d5b7fda1df03e262511a0"
"google-site-verification=tBnD6zl-M-MHYj59WNxn23xaYrlqY_YUW3ZY4hucPzE"
"pROAb2qF6Ql71IEuXsffaJvXSznZRf7xNkxVfOd9Ux6a8I28w0HBtrGKqTomtt4mYCIcIqfmufCoVcHsRxQQGQ=="
"anthropic-domain-verification-ym2mmy=e5JC1CijSzGBJgM1fClo46KjU"
"iMSPOPt4x0b28CLfu3j6am9VKDfryuZaa1tpTmNHBi0="

NS

6 record(s)
a11-67.akam.net.
a3-65.akam.net.
a6-66.akam.net.
a24-64.akam.net.
a1-7.akam.net.
a10-66.akam.net.

SOA

1 record(s)
a1-7.akam.net. admin.gia.edu. 1560527680 3600 600 1209600 3600

CAA

0 record(s)
—

Not configured

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 a include:%{ir}.%{v}.%{d}.spf.has.pphosted.com include:mktomail.com -all

DMARC

Configured
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

DKIM

Selector m1
v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCpj1O+47KjuFIyILzhY/T+G4OdTAx6e1uhDnkHZeAsPPo4l/KiH3kxupGVaoBfV41IVnr8r0GytZccGIlGpMdftuMWBH63plnvbwpObU3A3SQRkaXCP4eMDxqQ+jPMfqjWy+o4JT++7DBDDhmlE2fOKwXMGv1JIRz28wVe01jTtwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Gemological Institute Of America | All About Gemstones - GIA
Description
Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Final URL
https://www.gia.edu/
HTTP status
200

HTTP

Status
HTTP/2 403
Final URL
https://www.gia.edu/
Version
3
Server
AkamaiGHost
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
DigiCert Inc
CN
www.gia.edu
Valid from
2026-05-04T19:00:00-05:00
Valid until
2026-11-19T17:59:59-06:00
Days remaining
102
Protocol
TLSv1.3
Cipher
TLS_AES_256_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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
23.210.137.78
82,28 ms
Cloudflare
1.1.1.1
23.10.223.110
29,06 ms
Quad9
9.9.9.9
23.199.168.176
162,11 ms
OpenDNS
208.67.222.222
23.210.137.78
54,28 ms
AdGuard
94.140.14.14
72.247.69.166
68,99 ms

IP, geolocation and ASNAssociated network information

23.210.137.78

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

mxa-00127701.gslb.pphosted.com

Port 25: Closed/unreachable - 28.7 ms - 
Port 465: Closed/unreachable - 21.6 ms - 
Port 587: Closed/unreachable - 21.8 ms -

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