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74
Total
80
DNS
70
Email
77
Security
85
Network
60
Availability
Domainedupage.org
IPv41
IPv61
MX records1
StatusActive
Domain technical report

aSc EduPage

edupage.org

Generated: 2026-08-09T21:24:05-05:00 · Cached result

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IPv41
IPv61
MX1
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

1 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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 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.

!
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

164 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: edupage21.edupage.org

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/2 404

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
136.243.172.216

AAAA

1 record(s)
2a01:4f8:171:21d7::1

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
10 mail10.edupage.org.

TXT

3 record(s)
"cywetadns-domain-verification=7a94ca90919d0c3420f0b7e087dd9c2d"
"v=spf1 a mx include:_spf.google.com ip4:78.46.243.106 ip6:2a01:4f8:c17:1d5f::2 ip4:159.69.145.225 ip6:2a01:4f8:1c1c:6df6::1 ip4:159.69.158.181 ip6:2a01:4f8:1c1c:7876::1 ip4:65.21.145.3 ip6:2a01:4f9:c010:b343::1 ip4:168.119.227.39" " ip6:2a01:4f8:1c1c:a412::1 ip4:157.90.238.216 ip6:2a01:4f8:c2c:c48d::1 ip4:162.55.52.249 ip6:2a01:4f8:1c1e:7011::1 ip4:78.46.188.92 ip6:2a01:4f8:1c1c:ed24::1 -all"
"_globalsign-domain-verification=6cCrOkynGBzf1gT3WhY13gBseSqhAnHvEtpjM7qGeE"

NS

4 record(s)
ns.edupage8.org.
ns.edupage3.org.
ns.edupage4.org.
ns.edupage9.org.

SOA

1 record(s)
ns.edupage4.org. jan.asc.sk. 2026081003 7200 7200 1209600 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 mx include:_spf.google.com ip4:78.46.243.106 ip6:2a01:4f8:c17:1d5f::2 ip4:159.69.145.225 ip6:2a01:4f8:1c1c:6df6::1 ip4:159.69.158.181 ip6:2a01:4f8:1c1c:7876::1 ip4:65.21.145.3 ip6:2a01:4f9:c010:b343::1 ip4:168.119.227.39 ip6:2a01:4f8:1c1c:a412::1 ip4:157.90.238.216 ip6:2a01:4f8:c2c:c48d::1 ip4:162.55.52.249 ip6:2a01:4f8:1c1e:7011::1 ip4:78.46.188.92 ip6:2a01:4f8:1c1c:ed24::1 -all

DMARC

Configured
v=DMARC1; p=reject; pct=100; fo=1; rua=mailto:postmaster2@edupage.org; ruf=mailto:postmaster2@edupage.org

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
aSc EduPage
Description
Final URL
https://www.edupage.org/
HTTP status
200

HTTP

Status
HTTP/2 404
Final URL
https://edupage.org/
Version
3
Server
Apache
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Sectigo Limited
CN
*.edupage.org
Valid from
2026-07-06T19:00:00-05:00
Valid until
2027-01-21T17:59:59-06:00
Days remaining
164
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

3 active
—
HSTSNot detected
—
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
136.243.172.216
199,76 ms
Cloudflare
1.1.1.1
136.243.172.216
138,26 ms
Quad9
9.9.9.9
136.243.172.216
184,75 ms
OpenDNS
208.67.222.222
136.243.172.216
156,32 ms
AdGuard
94.140.14.14
136.243.172.216
332,26 ms

IP, geolocation and ASNAssociated network information

136.243.172.216

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

mail10.edupage.org

Port 25: Closed/unreachable - 116.8 ms - 
Port 465: Closed/unreachable - 233.4 ms - 
Port 587: Closed/unreachable - 118.3 ms - 220 mail10.edupage.org ESMTP Postfix

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