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Total

DNS

Email

Security

Network

Availability

Domainacademia.edu

IPv44

IPv60

MX records3

StatusActive

Domain technical report

Just a moment...

academia.edu

Generated: 2026-08-08T17:48:10-05:00 · Cached result

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IPv44

IPv60

MX3

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 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 propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

3 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

80 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers31 / 35 pts · Security

8 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: server-108-156-184-35.cmh68.r.cloudfront.net

✓

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 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

4 record(s)

108.156.184.35
108.156.184.49
108.156.184.123
108.156.184.56

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

3 record(s)

10 aspmx.l.google.com.
30 aspmx3.googlemail.com.
20 alt1.aspmx.l.google.com.

TXT

14 record(s)

"google-site-verification=bbNdRV9xC7b5gnrehK88Rxa8TNdYzkZnMyQstWkWw3Q"
"anthropic-domain-verification-00km9h=iGSlgcFVwjf1nqm3iNj3rMriY"
"MS=03606EEC74485EE7659A765B95BA63F7E2F590A1"
"google-site-verification=AdyiRTpxOqZiU8Jd0w8PahsA3_b_OcJgWzn0nfsDMmY"
"google-site-verification=irss24p48-LJzw7pzMnohWNsA1xgoE9NQ8vq-qcle48"
"v=spf1 mx include:_spf.google.com include:servers.mcsv.net include:mail.zendesk.com -all"
"google-site-verification=lpjzdQ-e9XKCo3NmQ3bCXpbD1MaufmV0_gd7ObUNAUc"
"ZOOM_verify_Rxzrf9pJxjR7JvgdFlk0Yd"
"apple-domain-verification=1RjRckbT2g6y1YmT"
"google-site-verification=4vfGw0yCsksCUdAMWjGuiIkUYiEmO6WBOjBvNxLISgo"
"google-site-verification=kUYM5LxN1rlEczyxiwp63widgRuH_IC-P7kRDzFH5TE"
"google-site-verification=Ry_M11GJFUeZIFqvxYBpOdnlFv5wJER_unuoE3eOJKQ"
"activeprospect-domain-verification=wIllccKTAz1V+rR5HMpvCQ=="
"google-site-verification=ZMCHHISWOhk6ndz2l3_k1lILJ4ZbG5eO73VyiIDz-co"

NS

4 record(s)

ns-1850.awsdns-39.co.uk.
ns-629.awsdns-14.net.
ns-1484.awsdns-57.org.
ns-225.awsdns-28.com.

SOA

1 record(s)

ns-1484.awsdns-57.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400

CAA

3 record(s)

0 issue "letsencrypt.org"
0 issue "amazon.com"
0 issue "pki.goog"

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 mx include:_spf.google.com include:servers.mcsv.net include:mail.zendesk.com -all

DMARC

Configured

v=DMARC1; p=quarantine; ruf=mailto:e2a4c-8143@ruf.dmarc.emailanalyst.com,mailto:yuri+dmarc.aedufr@academia.edu; rua=mailto:e2a4c-8143@rua.dmarc.emailanalyst.com,mailto:1sjkpqdg@ag.dmarcian.com; fo=1; adkim=s; aspf=s

DKIM

Selector default

v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDeUTjLaGEnb0CAOWqfioXmk+aHsBfb0s7Pzp1leBN4VumVM7Ntfx5yc4BuZx2WR1qeeX9PhqVb0htObZ5olEfnz7JFMYzYHVsGPH7FexQOul1ShiaV2/Cw7zC9zG0rYHlC+8s7XHhtE2ASpcyLhrLl4NhB3jLL19jG8ht+o6aeuQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Just a moment...

Description

Final URL

https://www.academia.edu/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://www.academia.edu/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Amazon

*.academia.edu

Valid from

2026-04-12T19:00:00-05:00

Valid until

2026-10-27T18:59:59-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

8 active

—

HSTSNot detected

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

✓

Permissions PolicyImplemented

✓

Cross-Origin-Opener-PolicyImplemented

✓

Cross-Origin-Embedder-PolicyImplemented

✓

Cross-Origin-Resource-PolicyImplemented

DNS propagationComparison across public resolvers

Public resolver comparison

Review

Differences detected

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

99.84.203.10, 99.84.203.122, 99.84.203.19, 99.84.203.45

90,67 ms

Cloudflare

1.1.1.1

3.162.174.28, 3.162.174.7, 3.162.174.84, 3.162.174.92

51,73 ms

Quad9

9.9.9.9

3.162.174.28, 3.162.174.7, 3.162.174.84, 3.162.174.92

58,51 ms

OpenDNS

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

aspmx.l.google.com

Port 25: Closed/unreachable - 21.7 ms - 220 mx.google.com ESMTP 46e09a7af769-7f35b567332si4962384a34.27 - gsmtp
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4021.2 ms -

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