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81
Total
70
DNS
90
Email
81
Security
50
Network
100
Availability
Domainsch.gr
IPv41
IPv60
MX records2
StatusActive
Domain technical report

Πανελλήνιο Σχολικό Δίκτυο – Το δίκτυο στην υπηρεσία της Εκπαίδευσης

sch.gr

Το δίκτυο στην υπηρεσία της Εκπαίδευσης

Generated: 2026-08-09T10:51:41-05:00 · Cached result

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IPv41
IPv60
MX2
NS5

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

5 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 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

150 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: www-portal2.att.sch.gr

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/1.1 200 OK

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
194.63.238.249

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mx.sch.gr.
20 mx2.sch.gr.

TXT

7 record(s)
"openai-domain-verification=dv-sBYkSQV3tgmh9BXn7fmzlshQ"
"v=spf1 a:mail21.sch.gr ip4:194.63.235.140/30 ip4:194.63.235.144/30 ip4:194.63.235.148 ip4:194.63.235.176/28 ip4:194.63.239.96/27 ip4:194.63.239.192/28 mx ~all"
"cisco-ci-domain-verification=2a08c0ead36caa69abc3e1ed6c9bf5dadd3cf76b194aa6adb0838a2ecbbe8705"
"cisco-ci-domain-verification=4bef071304bdb95b4e68f116e90d1da641a2f0e6b74d4096d7b5c23641d7758e"
"google-site-verification=RLuntOW0uqt7yeaNxSPlRPKEuKdTLf2gU27uNDibP98"
"HARICA-3x9pretyslH6ownEdJZ"
"google-site-verification=kKp5Rpx1msCaTxU052uQfLkAWjSzeqzjWdLBuX60238"

NS

5 record(s)
nic.sch.gr.
nic.thess.sch.gr.
nic.att.sch.gr.
sns1.grnet.gr.
sns0.grnet.gr.

SOA

1 record(s)
nic.sch.gr. hostmaster.sch.gr. 43420 3600 300 2419200 600

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:mail21.sch.gr ip4:194.63.235.140/30 ip4:194.63.235.144/30 ip4:194.63.235.148 ip4:194.63.235.176/28 ip4:194.63.239.96/27 ip4:194.63.239.192/28 mx ~all

DMARC

Configured
v=DMARC1; p=none; rua=mailto:postmaster@sch.gr

DKIM

Selector default
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDhV+uE08nKhl6Yv8ZqcKiGF8TfmuXYsCWVmRxkc7lvBrzx3ZHaDMaBnpE3HsLFTNnym5JkybidqlgqSfmUQveBBveaA1h29Jiyy24Ew1iidwavBrbZIeMEoU59RTS0zbcj+aVFGziSWw8YiZXhW8Iz3WuDBJDhrfJMzD/S+hAgRwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Πανελλήνιο Σχολικό Δίκτυο – Το δίκτυο στην υπηρεσία της Εκπαίδευσης
Description
Το δίκτυο στην υπηρεσία της Εκπαίδευσης
Final URL
https://www.sch.gr/
HTTP status
200

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://www.sch.gr/
Version
2
Server
Apache
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
sch.gr
Valid from
2026-01-07T03:30:20-06:00
Valid until
2027-01-07T03:30:20-06:00
Days remaining
150
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

4 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
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

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
194.63.238.249
256,75 ms
Cloudflare
1.1.1.1
194.63.238.249
198,10 ms
Quad9
9.9.9.9
194.63.238.249
496,54 ms
OpenDNS
208.67.222.222
194.63.238.249
1.049,65 ms
AdGuard
94.140.14.14
194.63.238.249
183,40 ms

IP, geolocation and ASNAssociated network information

194.63.238.249

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.sch.gr

Port 25: Closed/unreachable - 150.7 ms - 
Port 465: Closed/unreachable - 4170.5 ms - 
Port 587: Closed/unreachable - 4174.8 ms -

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