kobo.dev - dns.ninja

`kobo.dev`

DNSSEC	🔒 Signed (DS record present)
NS	`art.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b66^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c166^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`art.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2166^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`art.ns.cloudflare.com`
		A	108.162.193.102^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	172.64.33.102^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
		A	173.245.59.102^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`art.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
MX	`yipmail.co` ⭐ 🔒
		A	2604:2dc0:200:2493::2491^{🇺🇸 OVH2604:2dc0::/32}
		A	51.81.224.212^{🇺🇸 OVH51.81.128.0/17 Hosting route}
			PTR	`yipmail.co`
TXT	`v=spf1 mx -all`
SOA	`art.ns.cloudflare.com`dns@cloudflare.com serial=2409967692

`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

proxmox8.kobo.dev

dns.kobo.dev

Same first word

kobo.be

kobo.no

kobo.ie

kobo.at

kobo.me

kobo.vn

kobo.co.kr

kobo.my

kobo.mx

kobo.nl

kobo.co.in

kobo.com.pa

kobo.co.jp

kobo.com.tw

kobo.org

kobo.cz

kobo.com.mx

kobo.pl

kobo.it

kobo.name

kobo.dev

kobo.cloud

kobo.es

kobo.dk

kobo.in

kobo.jp

kobo.co

kobo.ru

kobo.net

kobo.ro

kobo.biz

kobo.cn

kobo.co.at

kobo.ca

kobo.promo

kobo.com

kobo.se

kobo.de

kobo.bg

kobo.cl

kobo.fr

kobo.kr

kobo.lt

kobo.gr

kobo.ch

kobo.pt

kobo.net.pl

kobo.co.nz

kobo.lv

kobo.co.uk

kobo.vg

kobo.com.ua

kobo.sg

kobo.hu

Similar names

book.od.ua

koob.co

book.creditcard

book.sumy.ua

book.to

koob.org

okbo.cn

koob.com

book.je

book.art.pl

obok.pl

okob.de

book.academy

boko.ca

book.gr

book.cards

boko.co.kr

boko.cz

obko.de

koob.at

book.org.uk

book.surgery

koob.kasserver.com

koob.uk

koob.no

oobk.ru

book.finance

ookb.com

book.me.it

book.se

koob.com.sa

book.limo

book.al

book.ninja

book.ba

koob.me

boko.si

boko.us

book.marketing

book.uz

book.hr

koob.fr

boko.es

book.support

book.su

book.mobi

obok.com

book.nu

boko.se

book.gov.ge

book.com.cn

book.ac

boko.main.jp

koob.be

book.direct

book.info

book.loans

boko.net

book.catering

book.travel

koob.tv

book.love

book.live

book.io

book.ms

koob.de

book.limited

book.ski

book.money

book.page

book.com.mx

boko.co.za

koob.com.tw

book.computer

koob.mobi

book.events

book.fr

book.biz

DNS History

3 records (3 active, 0 former)

●NSart.ns.cloudflare.com2026-08-09 → 2026-08-10 · 2 obs

● 2026-08-09 21:13:48
● 2026-08-10 18:31:52

●NSruth.ns.cloudflare.com2026-08-09 → 2026-08-10 · 2 obs

● 2026-08-09 21:13:48
● 2026-08-10 18:31:52

●MXyipmail.co2026-08-09 → 2026-08-10 · 2 obs

● 2026-08-09 21:13:48
● 2026-08-10 18:31:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
kobo.dev	ruth.ns.cloudflare.com, art.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.143

NS records: ruth.ns.cloudflare.com, art.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 473ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`art.ns.cloudflare.com, ruth.ns.cloudflare.com`
MX	1	`yipmail.co (pri: 10)`
TXT	1	`v=spf1 mx -all`
SOA	1	`art.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

The parent domain of proxmox8.kobo.dev and dns.kobo.dev is kobo.dev.

Name Servers

kobo.dev is delegated to two name servers: art.ns.cloudflare.com and ruth.ns.cloudflare.com.

kobo.dev has the same name server delegation as a number of other domains, such as radioemu.com, horvath-inc.com, ksabz.net and two more.

The name servers of kobo.dev overlap at least partially with those of other domains — among them tanchunyuan.com, notapop.com, gulfgatedodge.com and two more.

These name servers commonly appear alongside the name servers pat.ns.cloudflare.com and olof.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

art.ns.cloudflare.com resolves to 108.162.193.102, 172.64.33.102, 173.245.59.102 and 3 other IP addresses.

ruth.ns.cloudflare.com resolves to 108.162.192.143, 172.64.32.143, 173.245.58.143 and 3 other IP addresses.

Mail Servers

kobo.dev routes its mail through a single mail server, yipmail.co.

kobo.dev and domains like yipmail.co share an identical mail server configuration.

yipmail.co resolves to two IP numbers — 51.81.224.212 and 2604:2dc0:200:2493::2491.