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83
Total
100
DNS
70
Email
69
Security
70
Network
100
Availability
Domainhedgedoc.org
IPv42
IPv62
MX records1
StatusActive
Domain technical report

HedgeDoc - Ideas grow better together

hedgedoc.org

HedgeDoc (formerly known as CodiMD) is an open-source, web-based, self-hosted, collaborative markdown editor.

Generated: 2026-08-12T06:31:26-05:00 · Cached result

IPv42
IPv62
MX1
NS2

DiagnosticsMain findings and recommendations

IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

Name server redundancy20 / 20 pts · Dns

2 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 policy5 / 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

49 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 DNS0 / 30 pts · Network

PTR not detected.

IPv4 diversity35 / 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 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

2 record(s)
104.21.88.65
172.67.173.160

AAAA

2 record(s)
2606:4700:3030::6815:5841
2606:4700:3031::ac43:ada0

CNAME

0 record(s)

Not configured

MX

1 record(s)
5 nue1.hedgedoc.cloud.

TXT

1 record(s)
"v=spf1 mx ~all"

NS

2 record(s)
henry.ns.cloudflare.com.
marge.ns.cloudflare.com.

SOA

1 record(s)
henry.ns.cloudflare.com. dns.cloudflare.com. 2411265010 10000 2400 604800 1800

CAA

10 record(s)
0 issuewild "ssl.com"
0 issue "letsencrypt.org"
0 issue "pki.goog; cansignhttpexchanges=yes"
0 issuewild "letsencrypt.org"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuewild "comodoca.com"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issue "comodoca.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issue "ssl.com"

DS

1 record(s)
2371 13 2 0D1F9645853A2A99348947038E3E3A7A01F07FA15FB1120CC889468D 7764C228

DNSKEY

2 record(s)
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==
257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==

RRSIG

4 record(s)
NS 13 2 86400 20260813123120 20260811103120 34505 hedgedoc.org. 2Vfvw5VmhEpsKMWmlQGd/NJ/06Su/RucUXWz2V6gmgAOjtXk7d2SzjtB gaMIZY4pBLLkhBwdaQWAKQDW+BSQXg==
TXT 13 2 86400 20260813123120 20260811103120 34505 hedgedoc.org. tWwASuDURRZg0AyeiXfTCFLtfLuXXgSfKAXQwPGqka02y6PPu1xdgzfa cj+t0GWyza0jLcqqNJElscq7Roj9MQ==
DS 8 2 3600 20260830152406 20260809142406 44925 org. D07pKcXcFT+o9tF1oPr0MUiAIOCKAlcRK5pqBSUy3rZwwhQ06hGvWWkO xIugHkqWtHx5/q/jcLtu4JTZY9+ABSl+5DCZdij3DuFB9wnVnC0HMJAe qDciZ3NcuZdW30LuOsuIzN0+1lodAdN3ytW3D6PG09sPhkK/H4/jX+Eq 22I=
CAA 13 2 3600 20260813123120 20260811103120 34505 hedgedoc.org. VlqS2TV+lJ36fYbS9AhHHW1eMgq+nlvLGjFKwTsm73iM+6GRkZ4u5Qaz GpXwM3rmCVexffar/0i6+2dmL9kTzw==

NSEC

1 record(s)
\000.hedgedoc.org. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

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 ~all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:postmaster@hedgedoc.cloud

DKIM

Not found

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
HedgeDoc - Ideas grow better together
Description
HedgeDoc (formerly known as CodiMD) is an open-source, web-based, self-hosted, collaborative markdown editor.
Final URL
https://hedgedoc.org/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://hedgedoc.org/
Version
3
Server
cloudflare
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Google Trust Services
CN
hedgedoc.org
Valid from
2026-07-02T22:48:07-05:00
Valid until
2026-09-30T23:46:31-05:00
Days remaining
49
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

1 active
HSTSImplemented
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
X-Frame-OptionsNot detected
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
104.21.88.65, 172.67.173.160
96,94 ms
Cloudflare
1.1.1.1
104.21.88.65, 172.67.173.160
59,98 ms
Quad9
9.9.9.9
104.21.88.65, 172.67.173.160
33,14 ms
OpenDNS
208.67.222.222
104.21.88.65, 172.67.173.160
74,05 ms
AdGuard
94.140.14.14
104.21.88.65, 172.67.173.160
591,79 ms

IP, geolocation and ASNAssociated network information

104.21.88.65

No data
success
No
country
region
city
asn
organization
isp

172.67.173.160

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.216.212
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

nue1.hedgedoc.cloud

Port 25: Closed/unreachable - 37.9 ms - 
Port 465: Closed/unreachable - 119 ms - 
Port 587: Closed/unreachable - 151.7 ms - 220 nue1.hedgedoc.cloud ESMTP Postcow

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