substack.app - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`substack.app`

DNSSEC	⚠️ Not signed
A	207.207.210.23
A	207.207.210.36
A	207.207.210.50
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2414602371

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

substack.live

substack.es

substack.pl

substack.center

substack.win

substack.us

substack.link

substack.uz

substack.cloud

substack.eu

substack.space

substack.world

substack.blog

substack.co

substack.ai

substack.xyz

substack.ca

substack.fi

substack.ms

substack.kr

substack.shop

substack.site

substack.doctor

substack.pages.dev

substack.ru

substack.life

substack.coach

substack.ph

substack.at

substack.com.br

substack.ch

substack.quebec

substack.workers.dev

substack.info

substack.bio

substack.cash

substack.nl

substack.uk

substack.godaddy

substack.ir

substack.tech

substack.click

substack.digital

substack.it

substack.com

substack.work

substack.no

substack.today

substack.com.ph

substack.cc

substack.net

substack.asia

substack.new

substack.app

Similar names

Previous names

Next names

DNS History

12 records (7 active, 5 former)

●NScuritiba.ns.porkbun.com2026-09-12 → 2026-09-12 · 3 obs

○ 2026-08-28 10:42:40
● 2026-09-12 07:48:52
● 2026-09-12 15:48:14

●NSfortaleza.ns.porkbun.com2026-09-12 → 2026-09-12 · 3 obs

○ 2026-08-28 10:42:40
● 2026-09-12 07:48:52
● 2026-09-12 15:48:14

●NSmaceio.ns.porkbun.com2026-09-12 → 2026-09-12 · 3 obs

○ 2026-08-28 10:42:40
● 2026-09-12 07:48:52
● 2026-09-12 15:48:14

○NSns1.afternic.com2026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 10:42:40
○ 2026-09-12 07:48:52
○ 2026-09-12 15:48:14

○NSns2.afternic.com2026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 10:42:40
○ 2026-09-12 07:48:52
○ 2026-09-12 15:48:14

●NSsalvador.ns.porkbun.com2026-09-12 → 2026-09-12 · 3 obs

○ 2026-08-28 10:42:40
● 2026-09-12 07:48:52
● 2026-09-12 15:48:14

○NSverification-bmc2vjbuq2ehge9dogakmf.ns101.verify.hn2026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 10:42:40
○ 2026-09-12 07:48:52
○ 2026-09-12 15:48:14

○A13.248.169.482026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 10:42:40
○ 2026-09-12 07:48:52
○ 2026-09-12 15:48:14

●A207.207.210.232026-09-12 → 2026-09-12 · 3 obs

○ 2026-08-28 10:42:40
● 2026-09-12 07:48:52
● 2026-09-12 15:48:14

●A207.207.210.362026-09-12 → 2026-09-12 · 3 obs

○ 2026-08-28 10:42:40
● 2026-09-12 07:48:52
● 2026-09-12 15:48:14

●A207.207.210.502026-09-12 → 2026-09-12 · 3 obs

○ 2026-08-28 10:42:40
● 2026-09-12 07:48:52
● 2026-09-12 15:48:14

○A76.223.54.1462026-08-28 → 2026-08-28 · 3 obs

● 2026-08-28 10:42:40
○ 2026-09-12 07:48:52
○ 2026-09-12 15:48:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
substack.app	salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com, curitiba.ns.porkbun.com	-

✅ Authoritative Response

Server:173.245.58.37

NS records: salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com, curitiba.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for substack.app (unsigned zone)

⏱️ Timing

Total: 810ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`207.207.210.36, 207.207.210.50...`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

Analysis

IP Addresses

substack.app resolves to three IP addresses: 207.207.210.23, 207.207.210.36 and 207.207.210.50.

Additional host names — auwright.net, sepankbang.com, frolfcoursenearme.com and two others — share IP numbers with substack.app.

Name Servers

substack.app has four authoritative name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

substack.app shares at least some of its name servers with other domains, including pssbleevents.com, oqwzi.fit, coveryourdead.com and two others.

The host names curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com each resolve to two IP addresses: curitiba.ns.porkbun.com resolves to 173.245.58.37 and 2400:cb00:2049:1::adf5:3a25; fortaleza.ns.porkbun.com resolves to 162.159.8.140 and 2400:cb00:2049:1::a29f:88c; maceio.ns.porkbun.com resolves to 162.159.11.180 and 2400:cb00:2049:1::a29f:bb4; salvador.ns.porkbun.com resolves to 162.159.10.150 and 2400:cb00:2049:1::a29f:a96.