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Total

DNS

Email

Security

Network

100

Availability

Domaindermnetnz.org

IPv43

IPv63

MX records5

StatusActive

Domain technical report

DermNet

dermnetnz.org

Welcome to DermNet, the world's leading free dermatology resource. Scroll through evidence-based information on dermatological diseases (skin conditions), procedures, and treatments.

Generated: 2026-08-10T00:15:54-05:00 · Cached result

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IPv43

IPv63

MX5

NS2

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

3 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

3 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 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

5 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

59 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

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

3 record(s)

104.26.4.146
172.67.71.14
104.26.5.146

AAAA

3 record(s)

2606:4700:20::ac43:470e
2606:4700:20::681a:492
2606:4700:20::681a:592

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

10 alt4.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
1 aspmx.l.google.com.

TXT

2 record(s)

"v=spf1 include:_spf.mlsend.com a mx ip4:70.32.85.226 include:_spf.google.com  ~all"
"google-site-verification=2RMJGJmDGcQFetQ5IjDnw8frmb4jntrIQIO8TmLK--M"

NS

2 record(s)

lady.ns.cloudflare.com.
jim.ns.cloudflare.com.

SOA

1 record(s)

jim.ns.cloudflare.com. dns.cloudflare.com. 2409188133 10000 2400 604800 1800

SPF

Configured

v=spf1 include:_spf.mlsend.com a mx ip4:70.32.85.226 include:_spf.google.com  ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc@dermnet.org

DKIM

Selector s1

k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtlzZfpJ8NLL28nVYSZUWr2hMUKziz1goyyQbnykIygAd9CNu/k6pjNlSZ0D5hwFdysh+zceSzv1TyGpoVKgrOEg3E6+gjCC0GHS8a+SSAOnWdsx21RMyMZHRSL8WlZoHxP55eeTLgWLoBbEPwqkHRJ53bIrMDnw0+l2E5iXely/Syv33hE47Tg3Zoily6YdkWVMXG0MzzaHFDbZbkgqwIN5e5imgJesv/49Cnqcd1go/8nK5t1z1H5Jy6C5w70hoJUj4FjmeZZlDQ04KiZJ8Q6HVfgGig67fVXwYbS9PqG5r257jLxGcXJiENUgNmiau1zAErc6fgHvoflZW9VSeSwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

DermNet

Description

Welcome to DermNet, the world's leading free dermatology resource. Scroll through evidence-based information on dermatological diseases (skin conditions), procedures, and treatments.

Final URL

https://dermnetnz.org/

HTTP status

200

HTTP

Status

HTTP/2 200

Final URL

https://dermnetnz.org/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Google Trust Services

dermnetnz.org

Valid from

2026-07-10T10:53:41-05:00

Valid until

2026-10-08T11:53:35-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

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

104.26.4.146, 104.26.5.146, 172.67.71.14

48,46 ms

Cloudflare

1.1.1.1

104.26.4.146, 104.26.5.146, 172.67.71.14

32,02 ms

Quad9

9.9.9.9

104.26.4.146, 104.26.5.146, 172.67.71.14

39,03 ms

OpenDNS

208.67.222.222

104.26.4.146, 104.26.5.146, 172.67.71.14

65,44 ms

AdGuard

94.140.14.14

104.26.4.146, 104.26.5.146, 172.67.71.14

104,10 ms

IP, geolocation and ASNAssociated network information

104.26.4.146

No data

success

country

region

city

asn

organization

isp

172.67.71.14

No data

success

country

region

city

asn

organization

isp

104.26.5.146

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

alt4.aspmx.l.google.com

Port 25: Closed/unreachable - 1.3 ms - 
Port 465: Closed/unreachable - 4020.7 ms - 
Port 587: Closed/unreachable - 4005.9 ms -

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