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89
Total
95
DNS
100
Email
73
Security
70
Network
100
Availability
Domainperl.org
IPv44
IPv64
MX records2
StatusActive
Domain technical report

The Perl Programming Language - www.perl.org

perl.org

The Perl Programming Language at Perl.org. Links and other helpful resources for new and experienced Perl programmers.

Generated: 2026-08-08T18:47:36-05:00 · Cached result

JSONCSVPDFVisit site
IPv44
IPv64
MX2
NS6

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

4 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

6 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.

✓
DKIM20 / 20 pts · Mail

A DKIM selector was verified.

✓
MTA-STS5 / 5 pts · Mail

Mail transport policy.

✓
TLS-RPT5 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

19 day(s) remaining.

i
Certificate lifetime6 / 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 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

4 record(s)
151.101.193.55
151.101.1.55
151.101.129.55
151.101.65.55

AAAA

4 record(s)
2a04:4e42:400::311
2a04:4e42::311
2a04:4e42:200::311
2a04:4e42:600::311

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
4 mx1.mailchannels.net.
4 mx2.mailchannels.net.

TXT

4 record(s)
"_globalsign-domain-verification=B57sRQpmte4G4w-gavZbVNmmNsMxGp5kcL19UP2599"
"_globalsign-domain-verification=mVYWxIl-2ab_B1yPPFxEmDCLrBcl6ucouXJOU_P0_C"
"v=spf1 include:develooper.com ~all"
"google-site-verification=Nf5wLg9C9JrZTa91Ve-_Nj9M8tuRJ6G_RWfsTHyQUuQ"

NS

6 record(s)
anyns.pch.net.
ns1.us.bitnames.com.
ns2.eu.bitnames.com.
ns1.eu.bitnames.com.
ns3.us.bitnames.com.
ns2.us.bitnames.com.

SOA

1 record(s)
ns1.us.bitnames.com. dnsoper.bitnames.com. 2026051408 1800 900 2419200 900

CAA

0 record(s)
—

Not configured

DS

1 record(s)
47374 13 2 80E540F62935BE23E223D8A5FA7E38221DDE993210A5147668BB0D2F 03B6CA4C

DNSKEY

2 record(s)
257 3 13 fb6qhJuLFhHkB2OE1Q8aNUw06bVy/D2Tv//yeAfhNRV9iMPkzq+Duupq 1XE8Yuc9AptpatO87HcPzQ4CS1TBtA==
256 3 13 1KrNSRbqhshQ9hJKntvOuxhu1IhOuZ/187wCW5nXro9LlMuvRiDW/C/j agNDUq/GMGuXxoCCrv4PIIqDh52NNA==

RRSIG

3 record(s)
NS 13 2 28800 20260819202543 20260803195859 38458 perl.org. 0+op2JBGzD64Wpn9pgLzoOBG4XgsdIebCMvkGUB0VC6ASlVo4TCUBScv f5N2sUSyrD2yhGjBVzbYLOR5A6IkFg==
TXT 13 2 3600 20260819202543 20260803195859 38458 perl.org. ij0uIQjreHkB3D8e8TSaRFst0K4sOefnm1OYPfd33ulD1CTRMlJB1a/L GECp2JqK82HDyDfSswKzpi8dv+o+dw==
DS 8 2 3600 20260822152352 20260801142352 44925 org. Zk5/4PUC0AC/KM+2QnQqes2GDShtxl2cjWqn3LLmAugEeZ1fHgVot7+H 9iV5rGVJL9N3viYgzClimztg5TnO9Jg34qVyS+6QcESmADigJScwQS9t cMfAcePdsfPeH4X2IIgTCjUoLNNsxlHxmc55GCGbJFue0Xm69BaBNKBB Atk=

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 include:develooper.com ~all

DMARC

Configured
v=DMARC1; p=none; pct=100; rua=mailto:4649a710@in.mailhardener.com; sp=none; aspf=r; ruf=mailto:4649a710@in.mailhardener.com

DKIM

Selector mail
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwrEKITNt0jvHzsZ9I45IATOBbujZi85R3utoAJ7JJWc6giRoPc/HHXhFsXmqPQlOsoUspfuO6LnCB5bCj0Fd+43G00RaX3nMP9a94fpOz2UMdaMHLUjEyFdsJ7Zhxq5xQOA4LT/RK+ZEJcaiAIvW+eAF65BLRQKJYJDYLUjDBbPk4JlxF/uVSETK8cPixT6L8asbLvu6+QmqCGqa0I65n+OmylpR78y1/4zI0zt43LYVedVQPTPNRUSoCwk4uAeZY6ZUUHM3HVrR3WWvsCFj2FGWcJs7SZM4Sbilevq96BAEXh5HHUHjo3N8E4WhtSiySfPZgqr0l4kFE/WCa3zX8wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
The Perl Programming Language - www.perl.org
Description
The Perl Programming Language at Perl.org. Links and other helpful resources for new and experienced Perl programmers.
Final URL
https://www.perl.org/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.perl.org/
Version
3
Server
Combust/Plack (Perl)
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Certainly
CN
www.perl.org
Valid from
2026-07-28T19:33:07-05:00
Valid until
2026-08-27T19:33:06-05:00
Days remaining
19
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

3 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
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
151.101.1.55, 151.101.129.55, 151.101.193.55, 151.101.65.55
47,37 ms
Cloudflare
1.1.1.1
151.101.1.55, 151.101.129.55, 151.101.193.55, 151.101.65.55
335,10 ms
Quad9
9.9.9.9
151.101.1.55, 151.101.129.55, 151.101.193.55, 151.101.65.55
183,35 ms
OpenDNS
208.67.222.222
151.101.1.55, 151.101.129.55, 151.101.193.55, 151.101.65.55
101,85 ms
AdGuard
94.140.14.14
151.101.1.55, 151.101.129.55, 151.101.193.55, 151.101.65.55
224,00 ms

IP, geolocation and ASNAssociated network information

151.101.193.55

No data
success
No
country
region
city
asn
organization
isp

151.101.1.55

No data
success
No
country
region
city
asn
organization
isp

151.101.129.55

No data
success
No
country
region
city
asn
organization
isp

151.101.65.55

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

mx1.mailchannels.net

Port 25: Closed/unreachable - 21.7 ms - 
Port 465: Closed/unreachable - 4020.4 ms - 
Port 587: Closed/unreachable - 4012.9 ms -

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