`p.wpsa.substack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:4400::ac40:9638^{🇺🇸 Cloudflare2606:4700:4400::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:440b::6812:25c8^{🇺🇸 Cloudflare2606:4700:440b::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.37.200^{Cloudflare104.18.37.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.150.56^{🇺🇸 Cloudflare172.64.150.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.18.37.200, 172.64.150.56
		IPv6	2606:4700:4400::ac40:9638, 2606:4700:440b::6812:25c8

`wpsa.substack.com`

DNSSEC	⚠️ Not signed
A	2606:4700:4400::ac40:9638^{🇺🇸 Cloudflare2606:4700:4400::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:440b::6812:25c8^{🇺🇸 Cloudflare2606:4700:440b::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.18.37.200^{Cloudflare104.18.37.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.150.56^{🇺🇸 Cloudflare172.64.150.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.18.37.200, 172.64.150.56
		IPv6	2606:4700:4400::ac40:9638, 2606:4700:440b::6812:25c8

Subdomains

html.p.wpsa.substack.com

Same first word

p.akamai.net

p.xyz

p.biz

p.beer

p.td

p.im

p.qh.cn

p.house

p.ws

p.cn

p.hu

p.nf

p.world

p.cymru

p.industries

p.kiev.ua

p.fm

p.cx

p.rw

p.hr

p.tj

p.co.zw

p.top

p.to

p.gy

p.kg

p.tv

p.jl.cn

p.hn

p.org.nz

p.st

p.co.kr

p.lublin.pl

p.finance

p.domains

p.sc

p.mk

p.blogspot.com

p.nx.cn

p.cm

p.gold

p.am

p.hn.cn

p.foundation

p.sb

p.gs

p.fr

p.gl

p.pe

p.ke

p.azurewebsites.net

p.at

p.uk

p.mw

p.ai

p.dog

p.cash

p.lease

p.bydgoszcz.pl

p.kz

p.io

p.network

p.gd.cn

p.je

p.link

p.org.cn

p.cl

p.ua

p.is

p.sh

p.digital

p.wtf

p.guide

p.mba

p.cz

p.s3.amazonaws.com

p.credit

p.my

p.tl

p.ac

p.co

p.pl

p.events

p.gen.nz

p.gp

p.cg

p.ie

p.wedding

p.media

p.vu

p.tt

p.shopware.store

p.ar

p.cool

p.lu

p.akamaiedge.net

p.zone

p.ms

p.uy

p.cc

p.org.ee

p.zip

p.dk

p.id

p.pw

p.asia

p.cr

p.fish

p.fo

p.vg

p.rip

p.de

p.af

p.tips

p.farm

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...	-
substack.com	lee.ns.cloudflare.com, ali.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.59

NS records: lee.ns.cloudflare.com, ali.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for substack.com (unsigned zone)

⏱️ Timing

Total: 291ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.64.150.56, 104.18.37.200`
AAAA	2	`2606:4700:440b::6812:25c8, 2606:4700:4400::ac40:9638`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (lee.ns.cloudflare.com, lee.ns.cloudflare.com, lee.ns.cloudflare.com...)

Analysis

Hierarchy

p.wpsa.substack.com is a parent of html.p.wpsa.substack.com.

IP Addresses

p.wpsa.substack.com points to four IP numbers: 2606:4700:4400::ac40:9638, 2606:4700:440b::6812:25c8, 104.18.37.200 and 172.64.150.56.

Other host names, for instance officialhelpcare.substack.com, tytnetwork.substack.com, html.tuxnerd.substack.com, newsreviews.substack.com and bornfree.substack.com share IP numbers with p.wpsa.substack.com.

p.wpsa.substack.com - robtex.com