Destination URL: https://check.labs.greynoise.io/
Shortcut will be updated by GRC, if needed.

Manage your mail reputation with gmail here.

A "public suffix" is one under which Internet users can (or historically could) directly register names. Some examples of public suffixes are .com, .co.uk and pvt.k12.ma.us. The Public Suffix List is a list of all known public suffixes.

The Public Suffix List is an initiative of Mozilla, but is maintained as a community resource. It is available for use in any software, but was originally created to meet the needs of browser manufacturers. It allows browsers to, for example:

• Avoid privacy-damaging "supercookies" being set for high-level domain name suffixes
• Highlight the most important part of a domain name in the user interface
• Accurately sort history entries by site

Andrew "bunnie" Huang’s classic sourcing tool for non-Mandarin speakers navigating the Hua Qiang electronics market, with completely updated maps, locations, and new chapters by Naomi Wu.

A directory of on-demand manufacturers for your creative projects.

Each site listed has instant quotes / online ordering so you can upload your project files and immediately see how much it will cost and how long it will take to make.

"Do not use SMS as a second factor for authentication. SMS messages are not encrypted—a threat actor with access to a telecommunication provider’s network who intercepts these messages can read them. SMS MFA is not phishing-resistant and is therefore not strong authentication for accounts of highly targeted individuals."

After reading this article, be sure to play this "simple" push-blocks-around game on a non-Euclidean grid: https://sokyokuban.com/

Look up multiple RBLs at once

How to handle mail delivery issues to Google
Try also https://support.google.com/a/answer/81126

Also interesting: how the question and its correct answer relates to astronomy!

Ventoy is an open source tool to create bootable USB drive for ISO/WIM/IMG/VHD(x)/EFI files.
With ventoy, you don't need to format the disk over and over, you just need to copy the ISO/WIM/IMG/VHD(x)/EFI files to the USB drive and boot them directly.
You can copy many files at a time and ventoy will give you a boot menu to select them.
You can also browse ISO/WIM/IMG/VHD(x)/EFI files in local disks and boot them.
x86 Legacy BIOS, IA32 UEFI, x86_64 UEFI, ARM64 UEFI and MIPS64EL UEFI are supported in the same way.
Most types of OS supported (Windows/WinPE/Linux/ChromeOS/Unix/VMware/Xen...)

Includes support for SSL certs (even wildcards) via Let's Encrypt