kbo.dev - dns.ninja

`kbo.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3032::ac43:b238^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:11c5^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.17.197^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.178.56^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`gina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a75^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c075^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2075^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gina.ns.cloudflare.com`
		A	108.162.192.117^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	172.64.32.117^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
		A	173.245.58.117^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gina.ns.cloudflare.com`
NS	`josh.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b7e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c17e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`josh.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:217e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`josh.ns.cloudflare.com`
		A	108.162.193.126^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	172.64.33.126^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.ns.cloudflare.com`
		A	173.245.59.126^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`josh.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}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		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}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=PuqN48oWR9yrEHJA`
TXT	`v=spf1 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.17.197, 172.67.178.56
		IPv6 hints	2606:4700:3032::ac43:b238, 2606:4700:3036::6815:11c5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=75, name=cloudflare-ech.com
SOA	`gina.ns.cloudflare.com`dns@cloudflare.com serial=2410991270

`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)

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DNS History

26 records (8 active, 18 former)

●NSgina.ns.cloudflare.com2026-03-24 → 2026-08-11 · 3 obs

○ 2020-01-20 11:41:38
● 2026-03-24 10:41:24
● 2026-08-11 14:13:38

●NSjosh.ns.cloudflare.com2026-03-24 → 2026-08-11 · 3 obs

○ 2020-01-20 11:41:38
● 2026-03-24 10:41:24
● 2026-08-11 14:13:38

○NSlucy.ns.cloudflare.com2020-01-20 → 2020-01-20 · 3 obs

● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

○MXalt1.aspmx.l.google.com2020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

○MXalt2.aspmx.l.google.com2020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

○MXalt3.aspmx.l.google.com2020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

○MXalt4.aspmx.l.google.com2020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

○MXaspmx.l.google.com2020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

●MXmx01.mail.icloud.com2026-03-24 → 2026-08-11 · 3 obs

○ 2020-01-20 11:41:38
● 2026-03-24 10:41:24
● 2026-08-11 14:13:38

●MXmx02.mail.icloud.com2026-03-24 → 2026-08-11 · 3 obs

○ 2020-01-20 11:41:38
● 2026-03-24 10:41:24
● 2026-08-11 14:13:38

○MXyour-dns-needs-immediate-attention.dev2016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 19:47:38
○ 2020-01-20 11:41:38
○ 2026-08-11 14:13:38

●A104.21.17.1972026-03-24 → 2026-08-11 · 11 obs

○ 2020-01-20 11:41:38
● 2026-03-24 10:41:24
● 2026-03-27 16:44:10
○ 2026-04-01 00:28:56
● 2026-04-02 09:50:26
● 2026-04-19 06:16:20
○ 2026-04-26 14:05:28
● 2026-04-30 01:25:50
○ 2026-07-11 23:09:52
● 2026-08-11 14:13:34
● 2026-08-11 14:13:38

○A104.28.2.2372020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

○A104.28.3.2372020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

○A127.0.53.532016-12-19 → 2016-12-19 · 3 obs

● 2016-12-19 19:47:38
○ 2020-01-20 11:41:38
○ 2026-08-11 14:13:38

●A172.67.178.562026-03-24 → 2026-08-11 · 11 obs

○A188.114.96.02026-04-01 → 2026-07-11 · 10 obs

○ 2026-03-24 10:41:24
○ 2026-03-27 16:44:10
● 2026-04-01 00:28:56
○ 2026-04-02 09:50:26
○ 2026-04-19 06:16:20
● 2026-04-26 14:05:28
○ 2026-04-30 01:25:50
● 2026-07-11 23:09:52
○ 2026-08-11 14:13:34
○ 2026-08-11 14:13:38

○A188.114.97.02026-04-01 → 2026-07-11 · 10 obs

○A2606:4700:3030::ac43:b2382026-03-24 → 2026-04-30 · 10 obs

●A2606:4700:3032::ac43:b2382026-08-11 → 2026-08-11 · 3 obs

○ 2026-07-11 23:09:52
● 2026-08-11 14:13:34
● 2026-08-11 14:13:38

○A2606:4700:3035::6815:11c52026-03-24 → 2026-04-30 · 10 obs

○A2606:4700:3035::681c:2ed2020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

●A2606:4700:3036::6815:11c52026-08-11 → 2026-08-11 · 3 obs

○ 2026-07-11 23:09:52
● 2026-08-11 14:13:34
● 2026-08-11 14:13:38

○A2606:4700:3037::681c:3ed2020-01-20 → 2020-01-20 · 4 obs

○ 2016-12-19 19:47:38
● 2020-01-20 11:41:38
○ 2026-03-24 10:41:24
○ 2026-08-11 14:13:38

○A2a06:98c1:3120::2026-04-01 → 2026-07-11 · 10 obs

○A2a06:98c1:3121::2026-04-01 → 2026-07-11 · 10 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...	-
kbo.dev	gina.ns.cloudflare.com, josh.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.126

NS records: gina.ns.cloudflare.com, josh.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 584ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.17.197, 172.67.178.56`
AAAA	2	`2606:4700:3032::ac43:b238, 2606:4700:3036::6815:11c5`
NS	2	`gina.ns.cloudflare.com, josh.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`apple-domain=PuqN48oWR9yrEHJA, v=spf1 include:icloud.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`gina.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

kbo.dev points to the four IP addresses 104.21.17.197, 172.67.178.56, 2606:4700:3032::ac43:b238 and 2606:4700:3036::6815:11c5.

www.fenglaoneibiedenshengzha.bond, ko.knowyourinside.com, levitcalcados.com plus two other host names have IP numbers in common with kbo.dev.

Name Servers

Two name servers handle the delegation for kbo.dev: gina.ns.cloudflare.com and josh.ns.cloudflare.com.

The name server configuration of kbo.dev is shared with other domains, for instance 360work.net, vintagegungrips.net, thenbuy.com and two others.

The name servers of kbo.dev overlap at least partially with those of other domains — among them tech-ja.com, coworkingsalamanca.es, lightoltra.pro and two more.

These name servers commonly co-occur with the name servers jim.ns.cloudflare.com, pablo.ns.cloudflare.com, cass.ns.cloudflare.com and tanner.ns.cloudflare.com.

Hosts with 6 IP addresses each:

gina.ns.cloudflare.com resolves to 108.162.192.117, 172.64.32.117 and 173.245.58.117 among others, with 3 other IP addresses in total.

josh.ns.cloudflare.com resolves to 108.162.193.126, 172.64.33.126 and 173.245.59.126 among others, with 3 other IP addresses in total.

Mail Servers

kbo.dev uses two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.

The mail server setup of kbo.dev matches that of other domains such as oldsalt.org, pension.my, hardin.me and two others.

The mail servers for kbo.dev overlap at least partially with those of other domains, including orgonitt.net and nmashaal.com.

Hosts with 6 IP addresses each:

mx01.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31 and 17.57.152.5 among others, with 3 other IP addresses in total.

mx02.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31 and 17.57.152.5 among others, with 3 other IP addresses in total.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.42.251.62 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.56.9.31 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.152.5 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.154.33 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.155.25 IP addresses.

mx01.mail.icloud.com along with mx02.mail.icloud.com each resolve to 17.57.156.30 IP addresses.