reliablepenguin.com

HTML metadata

Technology

Server

Sucuri

Registration

Registrar

Tucows Domains Inc.

Created

2003-03-20

Expires

2027-03-20 303 days left

Updated

2026-02-19

Name servers

• ns-1417.awsdns-49.org
• ns-1538.awsdns-00.co.uk
• ns-161.awsdns-20.com
• ns-515.awsdns-00.net

DNS records live

NS

• ns-1417.awsdns-49.org
• ns-1538.awsdns-00.co.uk
• ns-161.awsdns-20.com
• ns-515.awsdns-00.net

MX

• 10 reliablepenguin-com.p10.mxthunder.com
• 20 reliablepenguin-com.p20.mxthunder.net
• 30 reliablepenguin-com.p30.mxthunder.net
• 40 reliablepenguin-com.p40.mxthunder.net

TXT

Show 4 TXT records

• hr7jvogbj9h4vf6e9176k88acg
• k4j7vfuu6s45c7dtenbcs6vds9
• bf82lf7ct7b42qj5aq3lejae7c
• cjJKQv0CmC7ps1FFJevtfijaGEQZx3yOcUZj2CiefbI

Verified for

• Brevo
• Google

Email authentication strong

SPF

v=spf1 include:%{l}.%{o}._spf.reliablepenguin.com include:spf.zoho.com include:transmail.net include:_spf.smtp.com -all

strict (-all)

DMARC

v=DMARC1; p=reject

policy: reject (enforced)

DKIM

• default: v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDNPg4SgmxeAVs99tmU6LBQQB6/BIbQ5AYQ9Zcp0ffpNF1/uIgy9a8g4IWuQX9FLGQTZJgfs7ywnLwZ2…
• smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://reliablepenguin.com/

present

• strict-transport-security
• content-security-policy
• x-frame-options
• x-content-type-options

findings

• missing Referrer Policy
• missing Permissions Policy