`off.dev`

DNSSEC	⚠️ Not signed
NS	`kim.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c07e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:207e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kim.ns.cloudflare.com`
		A	108.162.192.126^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	172.64.32.126^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
		A	173.245.58.126^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kim.ns.cloudflare.com`
NS	`walt.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b94^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`walt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c194^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`walt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2194^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`walt.ns.cloudflare.com`
		A	108.162.193.148^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`walt.ns.cloudflare.com`
		A	172.64.33.148^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`walt.ns.cloudflare.com`
		A	173.245.59.148^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`walt.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=FbRoFHayGlTSMfze`
TXT	`apple-domain=wB3VFzdqsHRHR402`
TXT	`v=spf1 redirect=icloud.com include:icloud.com ~all`
SOA	`kim.ns.cloudflare.com`dns@cloudflare.com serial=2402298615

`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)

Same first word

off.im

off.com.ar

off.net

off.md

off.world

off.co.il

off.gr

off.us

off.no

off.at

off.tv

off.media

off.am

off.mk

off.in

off.hu

off.ru

off.pl

off.info

off.ltd

off.es

off.gay

off.goog

off.ie

off.lol

off.earth

off.la

off.exchange

off.st

off.lease

off.com

off.pt

off.vc

off.org

off.com.tr

off.dk

off.casino

off.de

off.li

off.co.jp

off.ge

off.ovh

off.bz

off.co.kr

off.kr

off.fi

off.bet

off.team

off.theater

off.ae

off.cat

off.sh

off.computer

off.dev

off.com.ph

off.jp

off.co

off.ba

off.net.mk

off.guide

off.cc

off.com.tw

off.si

off.co.uk

off.se

off.ca

off.ro

off.lv

off.systems

off.plus

off.discount

off.ch

off.tw

off.com.ni

off.academy

Similar names

fof.su

fof.com.cn

fof.org.au

fof.tw

fof.com

fof.fi

ffo.no

fof.com.br

fof.co.in

ffo.ca

fof.am

ffo.jp

ffo.ch

ffo.eu

fof.cl

ffo.com

fof.pl

fof.at

fof.fund

ffo.ir

ffo.cz

fof.gg

fof.sh

fof.ca

ffo.de

fof.de

ffo.tel

ffo.net

fof.cz

fof.net

fof.ir

fof.be

fof.aero

fof.ie

ffo.se

fof.la

ffo.dk

ffo.com.cn

fof.ge

ffo.ru

ffo.be

fof.es

ffo.co.in

ffo.me

fof.name

ffo.fi

fof.se

fof.jp

fof.ch

ffo.us

fof.lv

fof.org.nz

fof.dk

fof.co

DNS History

6 records (4 active, 2 former)

●NSkim.ns.cloudflare.com2026-03-30 → 2026-04-23 · 2 obs

● 2026-03-30 00:26:28
● 2026-04-23 17:23:40

●NSwalt.ns.cloudflare.com2026-03-30 → 2026-04-23 · 2 obs

● 2026-03-30 00:26:28
● 2026-04-23 17:23:40

●MXmx01.mail.icloud.com2026-03-30 → 2026-04-23 · 3 obs

○ 2017-01-11 13:20:28
● 2026-03-30 00:26:28
● 2026-04-23 17:23:40

●MXmx02.mail.icloud.com2026-03-30 → 2026-04-23 · 3 obs

○ 2017-01-11 13:20:28
● 2026-03-30 00:26:28
● 2026-04-23 17:23:40

○MXyour-dns-needs-immediate-attention.dev2017-01-11 → 2017-01-11 · 3 obs

● 2017-01-11 13:20:28
○ 2026-03-30 00:26:28
○ 2026-04-23 17:23:40

○A127.0.53.532017-01-11 → 2017-01-11 · 3 obs

● 2017-01-11 13:20:28
○ 2026-03-30 00:26:28
○ 2026-04-23 17:23:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
off.dev	walt.ns.cloudflare.com, kim.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.126

NS records: walt.ns.cloudflare.com, kim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for off.dev (unsigned zone)

⏱️ Timing

Total: 574ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`kim.ns.cloudflare.com, walt.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`apple-domain=FbRoFHayGlTSMfze, apple-domain=wB3VFzdqsHRHR402...`
SOA	1	`kim.ns.cloudflare.com dns.cloudflare.com`

Analysis

Name Servers

off.dev is delegated to two name servers: kim.ns.cloudflare.com and walt.ns.cloudflare.com.

off.dev shares the same name server setup as other domains, for example 5rmt.com, songmingzhaopin.com, chziyan.com, sfbhpf.com and jjjmjhb.com.

off.dev at least partially shares name servers with other domains, for instance fngz.cn, nnteam.eu, gtoul.com, bet.loy4dgacor.com and vuuchq.shop.

These name servers are often used with casey.ns.cloudflare.com and leif.ns.cloudflare.com.

Host names with six IP numbers:

kim.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7e, 2803:f800:50::6ca2:c07e, 2a06:98c1:50::ac40:207e, 108.162.192.126, 172.64.32.126 and 173.245.58.126; walt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b94, 2803:f800:50::6ca2:c194, 2a06:98c1:50::ac40:2194, 108.162.193.148, 172.64.33.148 and 173.245.59.148.

Mail Servers

off.dev is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

off.dev shares the same mail server setup as other domains, for instance boamfa.com, jezalborough.com, altunigne.com, grohler.com and gamesia.cz.

off.dev shares at least partially some mail servers with other domains, for example toptur.org, nguyenquanghuy.info, optwell.me and danielwilliams.dk.