0ff.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`0ff.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d6c2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:5b57^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.87^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.194^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`peter.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c03^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c303^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`peter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2303^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`peter.ns.cloudflare.com`
		A	108.162.195.3^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peter.ns.cloudflare.com`
		A	162.159.44.3^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peter.ns.cloudflare.com`
		A	172.64.35.3^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`peter.ns.cloudflare.com`
NS	`susan.ns.cloudflare.com`
		A	2606:4700:50::a29f:26c7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`susan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`susan.ns.cloudflare.com`
		A	108.162.194.199^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	162.159.38.199^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
		A	172.64.34.199^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`susan.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`google-site-verification=0hY-9FcJ9YSCTHRJUWFnUvYWj7l7cNjtJuG-qnAcYQs`
TXT	`protonmail-verification=ec17f0598e6d55a0757deb3cbf45d65f637b946e`
TXT	`v=spf1 mx include:_spf.protonmail.ch ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.91.87, 172.67.214.194
		IPv6 hints	2606:4700:3031::ac43:d6c2, 2606:4700:3035::6815:5b57
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=198, name=cloudflare-ech.com
SOA	`peter.ns.cloudflare.com`dns@cloudflare.com serial=2417829026

`dev`

	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=1

🔒 HSTS Preload (+subdomains)

Subdomains

canary.0ff.dev

Same first word

0ff.casino

0ff.games

0ff.hu

0ff.work

0ff.best

0ff.fun

0ff.ph

0ff.top

0ff.site

0ff.freeboxos.fr

0ff.cc

0ff.at

0ff.day

0ff.foo

0ff.uk

0ff.club

0ff.news

0ff.dk

0ff.ir

0ff.tel

0ff.co

0ff.de

0ff.org

0ff.org.ph

0ff.in

0ff.ch

0ff.workers.dev

0ff.eu

0ff.ru

0ff.ai

0ff.pro

0ff.pages.dev

0ff.net

0ff.cn

0ff.app

0ff.pl

0ff.nl

0ff.asia

0ff.dev

0ff.no

0ff.ca

0ff.bet

Similar names

ff0.net.ph

ff0.io

f0f.com

f0f.fund

ff0.nl

f0f.ph

f0f.ru

ff0.pages.dev

ff0.net

ff0.it

f0f.top

f0f.workers.dev

f0f.org

ff0.fr

ff0.eu

ff0.com.cn

ff0.pro

f0f.xyz

f0f.cn

ff0.ir

ff0.ru

ff0.de

f0f.partners

ff0.us

ff0.app

ff0.dev

f0f.net

ff0.xyz

f0f.capital

f0f.mil.ph

f0f.ventures

f0f.pm

f0f.holdings

f0f.pages.dev

f0f.buzz

ff0.com

ff0.in

ff0.cn

ff0.workers.dev

ff0.jp

ff0.store

ff0.pp.ua

f0f.de

ff0.org

Previous names

0d4y.dev

0dai.dev

0day.dev

0dayops.dev

0db.dev

0decaf.dev

0dependencies.dev

0dg.dev

0diff.dev

0din.dev

0docs.dev

0doo.dev

0downtime.dev

0dr.dev

0dradek.dev

0e0.dev

0ex.dev

0fa.dev

0fake.dev

0fee.dev

Next names

0ff5cr1pt.dev

0foo.dev

0fra.dev

0func.dev

0fux.dev

0fuzimaru0.dev

0g0.dev

0g1.dev

0gasfee.dev

0gg.dev

0ghost0.dev

0glabs.dev

0ha.dev

0hero.dev

0hi.dev

0hq.dev

0hte.dev

0hub.dev

0humans.dev

0idea.dev

DNS History

8 records (8 active, 0 former)

●NSpeter.ns.cloudflare.com2026-07-08 → 2026-10-25 · 2 obs

● 2026-07-08 04:02:16
● 2026-10-25 02:15:38

●NSsusan.ns.cloudflare.com2026-07-08 → 2026-10-25 · 2 obs

● 2026-07-08 04:02:16
● 2026-10-25 02:15:38

●MXmail.protonmail.ch2026-07-08 → 2026-10-25 · 4 obs

● 2026-07-08 04:02:16
○ 2026-07-28 05:32:52
● 2026-08-22 11:04:10
● 2026-10-25 02:15:38

●MXmailsec.protonmail.ch2026-07-08 → 2026-10-25 · 4 obs

● 2026-07-08 04:02:16
○ 2026-07-28 05:32:52
● 2026-08-22 11:04:10
● 2026-10-25 02:15:38

●A104.21.91.872026-07-08 → 2026-10-25 · 4 obs

● 2026-07-08 04:02:16
○ 2026-07-28 05:32:52
● 2026-08-22 11:04:10
● 2026-10-25 02:15:38

●A172.67.214.1942026-07-08 → 2026-10-25 · 4 obs

● 2026-07-08 04:02:16
○ 2026-07-28 05:32:52
● 2026-08-22 11:04:10
● 2026-10-25 02:15:38

●A2606:4700:3031::ac43:d6c22026-07-08 → 2026-10-25 · 4 obs

● 2026-07-08 04:02:16
○ 2026-07-28 05:32:52
● 2026-08-22 11:04:10
● 2026-10-25 02:15:38

●A2606:4700:3035::6815:5b572026-07-08 → 2026-10-25 · 4 obs

● 2026-07-08 04:02:16
○ 2026-07-28 05:32:52
● 2026-08-22 11:04:10
● 2026-10-25 02:15:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
0ff.dev	peter.ns.cloudflare.com, susan.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.3

NS records: peter.ns.cloudflare.com, susan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 0ff.dev (unsigned zone)

⏱️ Timing

Total: 1006ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.91.87, 172.67.214.194`
AAAA	2	`2606:4700:3035::6815:5b57, 2606:4700:3031::ac43:d6c2`
NS	2	`peter.ns.cloudflare.com, susan.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	3	`google-site-verification=0hY-9FcJ9YSCTHR, protonmail-verification=ec17f0598e6d55a0...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`peter.ns.cloudflare.com dns.cloudflare.c`

Analysis

Hierarchy

canary.0ff.dev is a subdomain of 0ff.dev.

IP Addresses

0ff.dev points to the four IP addresses 104.21.91.87, 172.67.214.194, 2606:4700:3031::ac43:d6c2 and 2606:4700:3035::6815:5b57.

Among the host names that share IP numbers with 0ff.dev are cosvlog.com, safedryerteam.com, hellogodapps.com and two others.

Name Servers

0ff.dev is delegated to two name servers: peter.ns.cloudflare.com and susan.ns.cloudflare.com.

0ff.dev has the same name server delegation as a number of other domains, such as tukasburger.workers.dev, cheapemail-api-docs.pages.dev, idrissii4766300.workers.dev and two more.

The name servers of 0ff.dev overlap at least partially with those of other domains — among them beton-lisse.be, meshwar-map.pages.dev, rukshanfernando0416.workers.dev and two more.

These name servers commonly co-occur with the name servers denver.ns.cloudflare.com, leonard.ns.cloudflare.com, magnolia.ns.cloudflare.com and ridge.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

peter.ns.cloudflare.com resolves to 108.162.195.3, 162.159.44.3, 172.64.35.3 and 3 other IP addresses.

susan.ns.cloudflare.com resolves to 108.162.194.199, 162.159.38.199, 172.64.34.199 and 3 other IP addresses.

Mail Servers

The MX records for 0ff.dev point to two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

0ff.dev has the same mail server arrangement as a number of other domains, for example spirittai.com, rebelgoat.net, bijiecloud.com and two more.

0ff.dev shares at least some of its mail servers with other domains — for example njbasecamp.com, v-pijkeren.nl, lhnl.dk and two more.

Both mail.protonmail.ch and mailsec.protonmail.ch point to three IP numbers: mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128, while mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129.