postflow.app - dns.ninja

`postflow.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:25f4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d86f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.244^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.111^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`koa.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cf2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`koa.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`koa.ns.cloudflare.com`
		A	108.162.195.242^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	162.159.44.242^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
		A	172.64.35.242^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`koa.ns.cloudflare.com`
NS	`marlowe.ns.cloudflare.com`
		A	2606:4700:50::a29f:26d4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marlowe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2d4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marlowe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22d4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marlowe.ns.cloudflare.com`
		A	108.162.194.212^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marlowe.ns.cloudflare.com`
		A	162.159.38.212^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marlowe.ns.cloudflare.com`
		A	172.64.34.212^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marlowe.ns.cloudflare.com`
MX	`mx2.zoho.eu` ⭐
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx3.zoho.eu`⁽²⁰⁾
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx.zoho.eu`⁽⁵⁰⁾
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
TXT	`google-site-verification=1K73emx9lrkRLziDuwZt_JAVb_74DyWGGe8h5KRx5is`
TXT	`google-site-verification=hsomEYdJTh0cwPvTvpzyVlEjmAcAterPOMuYLpqtb4s`
TXT	`v=spf1 include:zoho.eu ~all`
TXT	`zoho-verification=zb25425471.zmverify.zoho.eu`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.244, 172.67.216.111
		IPv6 hints	2606:4700:3034::6815:25f4, 2606:4700:3036::ac43:d86f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com
SOA	`koa.ns.cloudflare.com`dns@cloudflare.com serial=2411156482

`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

postflow.de

postflow.tv

postflow.space

postflow.xyz

postflow.app

Similar names

flowstop.co

postwolf.de

wolfpost.com

spotflow.co

wolfpost.de

fwptools.com

flowtops.cn

spotflow.dev

spotflow.com

flowspot.com

flowpost.io

flowstop.co.uk

flowtops.com

DNS History

11 records (9 active, 2 former)

●NSkoa.ns.cloudflare.com2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 15:17:48
● 2026-08-07 22:05:42

●NSmarlowe.ns.cloudflare.com2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 15:17:48
● 2026-08-07 22:05:42

●MXmx.zoho.eu2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 15:17:48
● 2026-08-07 22:05:42

●MXmx2.zoho.eu2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 15:17:48
● 2026-08-07 22:05:42

●MXmx3.zoho.eu2026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 15:17:48
● 2026-08-07 22:05:42

●A104.21.37.2442026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 15:17:48
● 2026-08-07 22:05:42

●A172.67.216.1112026-02-16 → 2026-08-07 · 2 obs

● 2026-02-16 15:17:48
● 2026-08-07 22:05:42

○A2606:4700:3032::6815:25f42026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 15:17:48
○ 2026-07-08 11:31:08
○ 2026-08-07 22:05:42

●A2606:4700:3034::6815:25f42026-07-08 → 2026-08-07 · 3 obs

○ 2026-02-16 15:17:48
● 2026-07-08 11:31:08
● 2026-08-07 22:05:42

○A2606:4700:3035::ac43:d86f2026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 15:17:48
○ 2026-07-08 11:31:08
○ 2026-08-07 22:05:42

●A2606:4700:3036::ac43:d86f2026-07-08 → 2026-08-07 · 3 obs

○ 2026-02-16 15:17:48
● 2026-07-08 11:31:08
● 2026-08-07 22:05:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	10 records
postflow.app	marlowe.ns.cloudflare.com, koa.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.212

NS records: marlowe.ns.cloudflare.com, koa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postflow.app (unsigned zone)

⏱️ Timing

Total: 577ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.216.111, 104.21.37.244`
AAAA	2	`2606:4700:3036::ac43:d86f, 2606:4700:3034::6815:25f4`
NS	2	`koa.ns.cloudflare.com, marlowe.ns.cloudflare.com`
MX	3	`mx.zoho.eu (pri: 10), mx2.zoho.eu (pri: 20)...`
TXT	4	`google-site-verification=1K73emx9lrkRLzi, google-site-verification=hsomEYdJTh0cwPv...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`koa.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

postflow.app points to the four IP addresses 104.21.37.244, 172.67.216.111, 2606:4700:3034::6815:25f4 and 2606:4700:3036::ac43:d86f.

contactoscristianos.com.mx, twkmanufacturing.com, jet234-c.biz and two other host names share IP numbers with postflow.app.

Name Servers

postflow.app is delegated to two name servers: koa.ns.cloudflare.com and marlowe.ns.cloudflare.com.

postflow.app uses the same name servers as several other domains — among them aviator-game-real-india.com, 365dots.com, alysson-btds.workers.dev and two more.

At least some of postflow.app's name servers are shared with other domains, for example applestorm.com, unico.email, rhos.cl and two more.

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

Hostnames that resolve to 6 IP addresses:

koa.ns.cloudflare.com resolves to 108.162.195.242, 162.159.44.242, 172.64.35.242 and 3 other IP addresses.

marlowe.ns.cloudflare.com resolves to 108.162.194.212, 162.159.38.212, 172.64.34.212 and 3 other IP addresses.

Mail Servers

The MX records for postflow.app list three mail servers: mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu.

postflow.app has at least partial mail server overlap with other domains such as midjump.com, abrevity.com, thedaytradingroom.com and two more.

mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu each resolve to a single IP address: 185.230.214.166.

The host names mx2.zoho.eu, mx3.zoho.eu and mx.zoho.eu each resolve to 185.230.214.166.