🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`printf.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:8280^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:354^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.84^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.128^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`eric.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c170^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eric.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2170^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eric.ns.cloudflare.com`
		A	108.162.193.112^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	172.64.33.112^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	173.245.59.112^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
NS	`molly.ns.cloudflare.com`
		A	2606:4700:50::adf5:3acd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`molly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0cd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`molly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20cd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`molly.ns.cloudflare.com`
		A	108.162.192.205^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`molly.ns.cloudflare.com`
		A	172.64.32.205^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`molly.ns.cloudflare.com`
		A	173.245.58.205^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`molly.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`⁽²⁸⁾
		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`⁽⁴⁵⁾
		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`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.84, 172.67.130.128
		IPv6 hints	2606:4700:3031::ac43:8280, 2606:4700:3034::6815:354
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOA	`eric.ns.cloudflare.com`dns@cloudflare.com serial=2414276548

`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

printf.no

printf.net

printf.fun

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printf.com.cn

printf.app

printf.dev

printf.kr

printf.org

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printf.com.br

printf.ph

printf.dk

printf.us

printf.it

printf.workers.dev

printf.eu.org

printf.co.in

printf.cloud

printf.io

printf.cn

printf.altervista.org

printf.win

printf.ru

printf.eu

printf.news

printf.nl

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Previous names

Next names

DNS History

13 records (9 active, 4 former)

●NSeric.ns.cloudflare.com2026-09-06 → 2026-09-15 · 2 obs

● 2026-09-06 03:05:06
● 2026-09-15 23:02:50

●NSmolly.ns.cloudflare.com2026-09-06 → 2026-09-15 · 2 obs

● 2026-09-06 03:05:06
● 2026-09-15 23:02:50

●MXroute1.mx.cloudflare.net2026-09-06 → 2026-09-15 · 2 obs

● 2026-09-06 03:05:06
● 2026-09-15 23:02:50

●MXroute2.mx.cloudflare.net2026-09-06 → 2026-09-15 · 2 obs

● 2026-09-06 03:05:06
● 2026-09-15 23:02:50

●MXroute3.mx.cloudflare.net2026-09-06 → 2026-09-15 · 2 obs

● 2026-09-06 03:05:06
● 2026-09-15 23:02:50

●A104.21.3.842026-09-08 → 2026-09-15 · 3 obs

○ 2026-09-06 03:05:06
● 2026-09-08 15:49:50
● 2026-09-15 23:02:50

●A172.67.130.1282026-09-08 → 2026-09-15 · 3 obs

○ 2026-09-06 03:05:06
● 2026-09-08 15:49:50
● 2026-09-15 23:02:50

○A188.114.96.02026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 03:05:06
○ 2026-09-08 15:49:50
○ 2026-09-15 23:02:50

○A188.114.97.02026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 03:05:06
○ 2026-09-08 15:49:50
○ 2026-09-15 23:02:50

●A2606:4700:3031::ac43:82802026-09-08 → 2026-09-15 · 3 obs

○ 2026-09-06 03:05:06
● 2026-09-08 15:49:50
● 2026-09-15 23:02:50

●A2606:4700:3034::6815:3542026-09-08 → 2026-09-15 · 3 obs

○ 2026-09-06 03:05:06
● 2026-09-08 15:49:50
● 2026-09-15 23:02:50

○A2a06:98c1:3120::2026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 03:05:06
○ 2026-09-08 15:49:50
○ 2026-09-15 23:02:50

○A2a06:98c1:3121::2026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 03:05:06
○ 2026-09-08 15:49:50
○ 2026-09-15 23:02:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
printf.app	molly.ns.cloudflare.com, eric.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.112

NS records: molly.ns.cloudflare.com, eric.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for printf.app (unsigned zone)

⏱️ Timing

Total: 2325ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.84, 172.67.130.128`
AAAA	2	`2606:4700:3031::ac43:8280, 2606:4700:3034::6815:354`
NS	2	`eric.ns.cloudflare.com, molly.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 1), route3.mx.cloudflare.net (pri: 28)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`eric.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

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

Analysis

IP Addresses

printf.app points to the four IP addresses 104.21.3.84, 172.67.130.128, 2606:4700:3031::ac43:8280 and 2606:4700:3034::6815:354.

Additional host names — zgxafsh.cn, pzav.net, tonka.uk and two others — share IP numbers with printf.app.

Name Servers

The NS records for printf.app delegate to eric.ns.cloudflare.com and molly.ns.cloudflare.com.

printf.app shares its name server setup with other domains, including centrehorizonsaguenay.com, intavio.de, operatorarc.com and two others.

There is at least partial name server overlap between printf.app and other domains — mic-haelriv-er.workers.dev, ultra.support, atllld.com.tn and two more among them.

The name servers roman.ns.cloudflare.com, wilson.ns.cloudflare.com and sydney.ns.cloudflare.com are often found in combination with these name servers.

Host names with 6 IP numbers:

eric.ns.cloudflare.com maps to 108.162.193.112, 172.64.33.112, 173.245.59.112 and 3 additional IP addresses.

molly.ns.cloudflare.com maps to 108.162.192.205, 172.64.32.205, 173.245.58.205 and 3 additional IP addresses.

Mail Servers

Incoming mail for printf.app is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

printf.app shares mail servers — at least in part — with other domains, including jmantheitguy.us, fleury.foo, evarodinis.com and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

printf.app - robtex.com

printf.app

app

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`printf.app`

`app`