kub0.io - robtex.com

kub0.io

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:dcb8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:332c🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.44Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.184🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalbert.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b3a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A2803:f800:50::6ca2:c13a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalbert.ns.cloudflare.com
A2a06:98c1:50::ac40:213a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalbert.ns.cloudflare.com
A108.162.193.58🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A172.64.33.58🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A173.245.59.58🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
NSdiva.ns.cloudflare.com
A2606:4700:50::adf5:3a61🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A2803:f800:50::6ca2:c061🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdiva.ns.cloudflare.com
A2a06:98c1:50::ac40:2061🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdiva.ns.cloudflare.com
A108.162.192.97🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A172.64.32.97🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
A173.245.58.97🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdiva.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c17::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbl-in-f26.1e100.net
A64.233.180.27🇺🇸 Google64.233.180.0/24
PTRon-in-f27.1e100.net
PTRpe-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.26🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTgoogle-site-verification=l3DrPnbRXXs2kQTwEFA7ra-whsKIVH6FPNnM8Idd5RM
TXTv=spf1 include:_spf.google.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.51.44, 172.67.220.184
IPv6 hints2606:4700:3031::ac43:dcb8, 2606:4700:3034::6815:332c
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=9, name=cloudflare-ech.com
SOAalbert.ns.cloudflare.comdns@cloudflare.com serial=2401183556

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1776019611

Same first word

kub0.io
kub0.ai

Similar names

buk0.com

DNS History

11 records (11 active, 0 former)

NSalbert.ns.cloudflare.comdiva.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.51.44172.67.220.1842606:4700:3031::ac43:dcb82606:4700:3034::6815:332c
●NSalbert.ns.cloudflare.com2026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●NSdiva.ns.cloudflare.com2026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●MXalt1.aspmx.l.google.com2026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●MXalt2.aspmx.l.google.com2026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●MXalt3.aspmx.l.google.com2026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●MXalt4.aspmx.l.google.com2026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●MXaspmx.l.google.com2026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●A104.21.51.442026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●A172.67.220.1842026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●A2606:4700:3031::ac43:dcb82026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58
●A2606:4700:3034::6815:332c2026-04-01 → 2026-04-12 · 2 obs
● 2026-04-01 13:14:16
● 2026-04-12 19:11:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
kub0.iodiva.ns.cloudflare.com, albert.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.58

NS records: diva.ns.cloudflare.com, albert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kub0.io (unsigned zone)

⏱️ Timing

Total: 459ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.51.44, 172.67.220.184
AAAA22606:4700:3031::ac43:dcb8, 2606:4700:3034::6815:332c
NS2albert.ns.cloudflare.com, diva.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=l3DrPnbRXXs2kQT, v=spf1 include:_spf.google.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1albert.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

kub0.io refers to four IP numbers: 2606:4700:3031::ac43:dcb8, 2606:4700:3034::6815:332c, 104.21.51.44 and 172.67.220.184.

Other host names, for instance chejam.com, kyungin.org, ceilings.co.uk, bilecikolay.com and doubleup.org share IP numbers with kub0.io.

Name Servers

kub0.io's delegation uses two name servers: albert.ns.cloudflare.com and diva.ns.cloudflare.com.

kub0.io uses the same name server setup as other domains, such as kub0.ai, ishwarjha.com, innovationswitch.com, amlife2u.com and mindbullets.net.

kub0.io at least partially shares name servers with other domains, including novedades-agricolas.com, running-point.ch, rentmen.cn, propsure.com.pk and jahansyed.co.uk.

These name servers are often used with alexandra.ns.cloudflare.com and marissa.ns.cloudflare.com.

Host names with six IP numbers:

albert.ns.cloudflare.com points to 2606:4700:58::adf5:3b3a, 2803:f800:50::6ca2:c13a, 2a06:98c1:50::ac40:213a, 108.162.193.58, 172.64.33.58 and 173.245.59.58.

diva.ns.cloudflare.com points to 2606:4700:50::adf5:3a61, 2803:f800:50::6ca2:c061, 2a06:98c1:50::ac40:2061, 108.162.192.97, 172.64.32.97 and 173.245.58.97.

Mail Servers

kub0.io is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

kub0.io shares at least some mail servers with other domains, for example flashfutbal.sk, ns500731.ns500671.ns500671.ns500731.ns500742.ns500731.ns500731.ns500704.ns500731.ns500671.ns500671.ns500678.ns500291.tenderladiesbz.com, ns500731.ns500742.ns500704.ns500731.ns500731.ns500704.ns500678.ns500291.ns500688.ns500649.ns500649.lustychickser.com, ns500754.ns500742.ns500754.ns500671.ns500742.ns500688.ns500688.ns500671.ns500671.ns500678.ns500678.ns500291.ns500291.ns500291.ns500291.ns500291.ns500131.lustychickser.com and ns500737.ns500737.ns500737.ns500724.ns500724.ns500599.ns500737.ns500599.ns500737.ns500737.ns500669.www.yummyflingsfinder.com.

these mail servers are often used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to: 2607:f8b0:4004:c17::1a and 64.233.180.27.

alt1.aspmx.l.google.com points to: 2607:f8b0:4023:2801::1b and 192.178.128.26.

alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1b and 172.253.116.26.

alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.26.

alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1a and 173.194.76.26.