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80
Total
85
DNS
70
Email
81
Security
50
Network
100
Availability
Domainpolytechnique.fr
IPv41
IPv60
MX records2
StatusActive
Domain technical report

École polytechnique, école d'ingénieur

polytechnique.fr

L'École polytechnique est une école d'ingénieur qui associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique.

Generated: 2026-08-11T04:17:46-05:00 · Cached result

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IPv41
IPv60
MX2
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 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 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.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

178 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: drupal.polytechnique.fr

i
IPv4 diversity20 / 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

1 record(s)
129.104.30.29

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mx-b.polytechnique.fr.
10 mx-a.polytechnique.fr.

TXT

5 record(s)
"MS=ms73317296"
"v=spf1 mx ip4:129.104.30.11 ip4:129.104.30.12 ip4:129.104.30.128/28 ip4:129.104.0.0/24 include:_spf.salesforce.com include:spf.protection.outlook.com ?all"
"google-site-verification=PweeHgOqAJqmpj_Rm1FawgAA-WKuD5LTuwGnAMchkP0"
"ZOOM_verify_VW1GDtnRTGa6Iydcn9vABQ"
"00D09000008ZmOV=1TBa200000000RR"

NS

4 record(s)
picaros.polytechnique.fr.
milou.polytechnique.fr.
rackham.polytechnique.fr.
ns2.nic.fr.

SOA

1 record(s)
milou.polytechnique.fr. hostmaster.polytechnique.fr. 2026072745 7200 3600 604800 3600

CAA

0 record(s)
—

Not configured

DS

1 record(s)
33909 13 2 54A21B296B5E79E937F181EE7EB89ABCDDF4424532C73AA457268C79 42193F74

DNSKEY

2 record(s)
256 3 13 EB3DIWZCFI98Xm9ztYSZaS14bCxGUCduZXX/4SBrhtYtl/EcRvNlE5to koS3O+AbK6tJfayPJH+LEL8mfUN2Yw==
257 3 13 ym1oKBUg6vAnHBy5/Xnphg5JUZd6rS+9WrpeZ1hk309xplO1SqnbkgYm pTWTCUDyJ5VpmutV7k8SoKNZrvztDQ==

RRSIG

7 record(s)
DNSKEY 13 2 3600 20260824091547 20260810081547 33909 polytechnique.fr. bqQEotbuyTN2oNHLiRnw/M5g6PCBon1rEOwvfqjnMjCcb40els5nf38a DtRluV+BRc7ZiIKlhR7T7Np6DCV+vQ==
DS 13 2 3600 20260909085155 20260810082220 26934 fr. z/Jw8irykXmz6UrduEYwAdiqHrQR07X/iX90+8kSTgwgZt2XDHIGxo/9 Quwo0c+dSF6j3m2YJ4jwisNLoxKt7A==
NS 13 2 86400 20260818145634 20260804140953 46318 polytechnique.fr. ZYNChhhEN8BZrCJ4V+50rIoTUVn/8BsKhk5fHGkDeCTuKfuHzZ8S3e+a 2qcX9czmXpGiivvss8KcEKIXrh2hYA==
A 13 2 86400 20260818145634 20260804140953 46318 polytechnique.fr. 1HoKtSFXcF9QqKKLzcG5KaeuimfktYzohRmK9qVVlZb9xovJI41VyHlx ouTyP+XSfEgoSFwkMAnNY3GPot7FYw==
MX 13 2 86400 20260818145634 20260804140953 46318 polytechnique.fr. xFo7Gdd3zThOFxylC1GN/Up5QSYcEbk4ZUw2O0JGKk3H6F54oZ5UQKvV uq6xnmCPBRKuGNHOM31ap+U6f7pb/w==
TXT 13 2 86400 20260823032422 20260809025141 46318 polytechnique.fr. Vb74zvXJwL6Dk1Dfo6ZLJf74szh8ZWzxmalQCanCmtLUp9ZpKDuB5HXP H8RpNXnwPKjALwJul6x2YK/N5Bnu5w==
SOA 13 2 86400 20260825080523 20260811070523 46318 polytechnique.fr. PQtwtHRJeEyvJK5sBgbIcr6ajUMvxyPwmyuqUUUjoAtfOO6x/1fFHQJR GakjKJhcjI+cWYjEOo84MDaAE4wVsA==

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 mx ip4:129.104.30.11 ip4:129.104.30.12 ip4:129.104.30.128/28 ip4:129.104.0.0/24 include:_spf.salesforce.com include:spf.protection.outlook.com ?all

DMARC

Configured
v=DMARC1; p=none; pct=100; rua=mailto:dmarc-rua@polytechnique.fr; adkim=s; aspf=s;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
École polytechnique, école d'ingénieur
Description
L'École polytechnique est une école d'ingénieur qui associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique.
Final URL
https://www.polytechnique.edu/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.polytechnique.edu/
Version
3
Server
sysdsi/6.6.6
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
www.polytechnique.fr
Valid from
2026-07-21T08:03:13-05:00
Valid until
2027-02-05T07:03:12-06:00
Days remaining
178
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

4 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
✓
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
129.104.30.29
171,13 ms
Cloudflare
1.1.1.1
129.104.30.29
227,80 ms
Quad9
9.9.9.9
129.104.30.29
49,83 ms
OpenDNS
208.67.222.222
129.104.30.29
133,15 ms
AdGuard
94.140.14.14
129.104.30.29
151,48 ms

IP, geolocation and ASNAssociated network information

129.104.30.29

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

mx-b.polytechnique.fr

Port 25: Closed/unreachable - 104.9 ms - 
Port 465: Closed/unreachable - 237.7 ms - 
Port 587: Closed/unreachable - 117.7 ms -

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