printf.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

printf.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:a8e0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:1b26🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.38Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.168.224🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSada.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a36🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRada.ns.cloudflare.com
A2803:f800:50::6ca2:c036🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRada.ns.cloudflare.com
A2a06:98c1:50::ac40:2036🇺🇸 Cloudflare2a06:98c1:50::/45
PTRada.ns.cloudflare.com
A108.162.192.54🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRada.ns.cloudflare.com
A172.64.32.54🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRada.ns.cloudflare.com
A173.245.58.54🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRada.ns.cloudflare.com
NSjonah.ns.cloudflare.com
A2606:4700:58::adf5:3bba🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjonah.ns.cloudflare.com
A2803:f800:50::6ca2:c1ba🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjonah.ns.cloudflare.com
A2a06:98c1:50::ac40:21ba🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjonah.ns.cloudflare.com
A108.162.193.186🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjonah.ns.cloudflare.com
A172.64.33.186🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjonah.ns.cloudflare.com
A173.245.59.186🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjonah.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.38, 172.67.168.224
IPv6 hints2606:4700:3031::ac43:a8e0, 2606:4700:3035::6815:1b26
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=200, name=cloudflare-ech.com
SOAada.ns.cloudflare.comdns@cloudflare.com serial=2415277651

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

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printf.no
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printf.fun
printf.cc
printf.de
printf.ai
printf.college
printf.com.cn
printf.app
printf.dev
printf.kr
printf.org
printf.mywire.org
printf.com.br
printf.ph
printf.dk
printf.us
printf.it
printf.pages.dev
printf.workers.dev
printf.eu.org
printf.co.in
printf.cloud
printf.io
printf.cn
printf.altervista.org
printf.win

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Next names

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println.dev

DNS History

6 records (6 active, 0 former)

NSada.ns.cloudflare.comjonah.ns.cloudflare.comA104.21.27.38172.67.168.2242606:4700:3031::ac43:a8e02606:4700:3035::6815:1b26
●NSada.ns.cloudflare.com2026-09-05 → 2026-10-03 · 2 obs
● 2026-09-05 12:27:14
● 2026-10-03 01:45:22
●NSjonah.ns.cloudflare.com2026-09-05 → 2026-10-03 · 2 obs
● 2026-09-05 12:27:14
● 2026-10-03 01:45:22
●A104.21.27.382026-09-05 → 2026-10-03 · 2 obs
● 2026-09-05 12:27:14
● 2026-10-03 01:45:22
●A172.67.168.2242026-09-05 → 2026-10-03 · 2 obs
● 2026-09-05 12:27:14
● 2026-10-03 01:45:22
●A2606:4700:3031::ac43:a8e02026-09-05 → 2026-10-03 · 2 obs
● 2026-09-05 12:27:14
● 2026-10-03 01:45:22
●A2606:4700:3035::6815:1b262026-09-05 → 2026-10-03 · 2 obs
● 2026-09-05 12:27:14
● 2026-10-03 01:45:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
printf.devada.ns.cloudflare.com, jonah.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.186

NS records: ada.ns.cloudflare.com, jonah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for printf.dev (unsigned zone)

⏱️ Timing

Total: 1055ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.168.224, 104.21.27.38
AAAA22606:4700:3031::ac43:a8e0, 2606:4700:3035::6815:1b26
NS2ada.ns.cloudflare.com, jonah.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ada.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

printf.dev points to the four IP addresses 104.21.27.38, 172.67.168.224, 2606:4700:3031::ac43:a8e0 and 2606:4700:3035::6815:1b26.

Among the host names that share IP numbers with printf.dev are haerma.nl, setarehmarket.com, cyclz.app and two others.

Name Servers

printf.dev is served by two delegated name servers, ada.ns.cloudflare.com and jonah.ns.cloudflare.com.

printf.dev has the same name server delegation as a number of other domains, such as lcavalcante.com, hirthic1517.workers.dev, magna-gaia.com and two more.

At least some of printf.dev's name servers are shared with other domains, for example keiba-dashboard-bgy.pages.dev, doctorfinal.my.id, ankaradak(0x616e616c)ci.com and two more.

It is common for these name servers to be used in conjunction with the name servers lina.ns.cloudflare.com, darwin.ns.cloudflare.com and rosalie.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

ada.ns.cloudflare.com carries IP addresses 108.162.192.54, 172.64.32.54 and 173.245.58.54, with 3 other addresses beyond those.

jonah.ns.cloudflare.com carries IP addresses 108.162.193.186, 172.64.33.186 and 173.245.59.186, with 3 other addresses beyond those.