substackforms.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`substackforms.com`

DNSSEC	⚠️ Not signed
NS	`valentin.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cce^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`valentin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`valentin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`valentin.ns.cloudflare.com`
		A	108.162.195.206^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`valentin.ns.cloudflare.com`
		A	162.159.44.206^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`valentin.ns.cloudflare.com`
		A	172.64.35.206^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`valentin.ns.cloudflare.com`
NS	`zelda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zelda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zelda.ns.cloudflare.com`
		A	108.162.192.242^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	172.64.32.242^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
		A	173.245.58.242^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zelda.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁸⁶⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹³⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`valentin.ns.cloudflare.com`dns@cloudflare.com serial=2413785482

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1789454213

Same first word

substackforms.com

Previous names

Next names

DNS History

5 records (5 active, 0 former)

●NSvalentin.ns.cloudflare.com2026-09-09 → 2026-09-15 · 2 obs

● 2026-09-09 04:16:00
● 2026-09-15 06:58:04

●NSzelda.ns.cloudflare.com2026-09-09 → 2026-09-15 · 2 obs

● 2026-09-09 04:16:00
● 2026-09-15 06:58:04

●MXroute1.mx.cloudflare.net2026-09-09 → 2026-09-15 · 2 obs

● 2026-09-09 04:16:00
● 2026-09-15 06:58:04

●MXroute2.mx.cloudflare.net2026-09-09 → 2026-09-15 · 2 obs

● 2026-09-09 04:16:00
● 2026-09-15 06:58:04

●MXroute3.mx.cloudflare.net2026-09-09 → 2026-09-15 · 2 obs

● 2026-09-09 04:16:00
● 2026-09-15 06:58:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
substackforms.com	zelda.ns.cloudflare.com, valentin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:173.245.58.242

NS records: zelda.ns.cloudflare.com, valentin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for substackforms.com (unsigned zone)

⏱️ Timing

Total: 1078ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`valentin.ns.cloudflare.com, zelda.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 77), route3.mx.cloudflare.net (pri: 86)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`valentin.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

substackforms.com is delegated to two name servers: valentin.ns.cloudflare.com and zelda.ns.cloudflare.com.

substackforms.com has the same name server delegation as a number of other domains, such as wp2md.com, ctwyk.pages.dev, facilitate-relief-x5n.pages.dev and two more.

At least some of substackforms.com's name servers are shared with other domains, for example cloud-stack-48n.pages.dev, gun-drilling.com, ktlkmwvrzynd.pages.dev and two more.

These name servers tend to be deployed in combination with the name servers heidi.ns.cloudflare.com and meadow.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

valentin.ns.cloudflare.com resolves to 108.162.195.206, 162.159.44.206, 172.64.35.206 and 3 other IP addresses.

zelda.ns.cloudflare.com resolves to 108.162.192.242, 172.64.32.242, 173.245.58.242 and 3 other IP addresses.

Mail Servers

The MX records for substackforms.com list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

substackforms.com shares at least some of its mail servers with other domains — for example tripnepal.ai, mediagen.asia, mytek.net.au and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.