sub4sub.io - robtex.com

sub4sub.io

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2928🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:8e55🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.40Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.142.85🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmonika.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2638🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A2803:f800:50::6ca2:c238🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmonika.ns.cloudflare.com
A2a06:98c1:50::ac40:2238🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmonika.ns.cloudflare.com
A108.162.194.56🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A162.159.38.56Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
A172.64.34.56🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmonika.ns.cloudflare.com
NSrommy.ns.cloudflare.com
A2606:4700:58::a29f:2c14🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrommy.ns.cloudflare.com
A2803:f800:50::6ca2:c314🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrommy.ns.cloudflare.com
A2a06:98c1:50::ac40:2314🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrommy.ns.cloudflare.com
A108.162.195.20🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrommy.ns.cloudflare.com
A162.159.44.20Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrommy.ns.cloudflare.com
A172.64.35.20🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrommy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.40, 172.67.142.85
IPv6 hints2606:4700:3031::6815:2928, 2606:4700:3033::ac43:8e55
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=96, name=cloudflare-ech.com
SOAmonika.ns.cloudflare.comdns@cloudflare.com serial=2401980741

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1778599251

Same first word

sub4sub.io
sub4sub.com
sub4sub.us
sub4sub.net

DNS History

17 records (6 active, 11 former)

2020202120222023202420252026NSmonika.ns.cloudflare.comrommy.ns.cloudflare.comadel.ns.cloudflare.comsimon.ns.cloudflare.comMXmx.yandex.netA104.21.41.40172.67.142.852606:4700:3031::6815:29282606:4700:3033::ac43:8e55104.21.94.175104.27.182.33104.27.183.33172.67.138.2122606:4700:30::681b:b6212606:4700:30::681b:b7212606:4700:3030::ac43:8ad42606:4700:3035::6815:5eaf
○NSadel.ns.cloudflare.com2019-12-19 → 2021-10-22 · 4 obs
● 2019-12-19 17:59:28
● 2021-10-22 07:31:48
○ 2026-04-01 07:39:28
○ 2026-05-12 15:57:02
●NSmonika.ns.cloudflare.com2026-05-01 → 2026-05-12 · 3 obs
○ 2026-04-01 07:39:28
● 2026-05-01 06:40:18
● 2026-05-12 15:57:02
●NSrommy.ns.cloudflare.com2026-05-01 → 2026-05-12 · 3 obs
○ 2026-04-01 07:39:28
● 2026-05-01 06:40:18
● 2026-05-12 15:57:02
○NSsimon.ns.cloudflare.com2019-12-19 → 2021-10-22 · 4 obs
● 2019-12-19 17:59:28
● 2021-10-22 07:31:48
○ 2026-04-01 07:39:28
○ 2026-05-12 15:57:02
○MXmx.yandex.net2021-10-22 → 2021-10-22 · 3 obs
● 2021-10-22 07:31:48
○ 2026-04-01 07:39:28
○ 2026-05-12 15:57:02
●A104.21.41.402026-05-01 → 2026-05-12 · 3 obs
○ 2026-04-01 07:39:28
● 2026-05-01 06:40:18
● 2026-05-12 15:57:02
○A104.21.94.1752021-10-22 → 2021-10-22 · 4 obs
○ 2019-12-19 17:59:28
● 2021-10-22 07:31:48
○ 2026-04-01 07:39:28
○ 2026-05-12 15:57:02
○A104.27.182.332019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 17:59:28
○ 2021-10-22 07:31:48
○ 2026-05-12 15:57:02
○A104.27.183.332019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 17:59:28
○ 2021-10-22 07:31:48
○ 2026-05-12 15:57:02
○A172.67.138.2122021-10-22 → 2021-10-22 · 4 obs
○ 2019-12-19 17:59:28
● 2021-10-22 07:31:48
○ 2026-04-01 07:39:28
○ 2026-05-12 15:57:02
●A172.67.142.852026-05-01 → 2026-05-12 · 3 obs
○ 2026-04-01 07:39:28
● 2026-05-01 06:40:18
● 2026-05-12 15:57:02
○A2606:4700:30::681b:b6212019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 17:59:28
○ 2021-10-22 07:31:48
○ 2026-05-12 15:57:02
○A2606:4700:30::681b:b7212019-12-19 → 2019-12-19 · 3 obs
● 2019-12-19 17:59:28
○ 2021-10-22 07:31:48
○ 2026-05-12 15:57:02
○A2606:4700:3030::ac43:8ad42021-10-22 → 2021-10-22 · 4 obs
○ 2019-12-19 17:59:28
● 2021-10-22 07:31:48
○ 2026-04-01 07:39:28
○ 2026-05-12 15:57:02
●A2606:4700:3031::6815:29282026-05-01 → 2026-05-12 · 3 obs
○ 2026-04-01 07:39:28
● 2026-05-01 06:40:18
● 2026-05-12 15:57:02
●A2606:4700:3033::ac43:8e552026-05-01 → 2026-05-12 · 3 obs
○ 2026-04-01 07:39:28
● 2026-05-01 06:40:18
● 2026-05-12 15:57:02
○A2606:4700:3035::6815:5eaf2021-10-22 → 2021-10-22 · 4 obs
○ 2019-12-19 17:59:28
● 2021-10-22 07:31:48
○ 2026-04-01 07:39:28
○ 2026-05-12 15:57:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io-
sub4sub.iorommy.ns.cloudflare.com, monika.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.20

NS records: rommy.ns.cloudflare.com, monika.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sub4sub.io (unsigned zone)

⏱️ Timing

Total: 1044ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.142.85, 104.21.41.40
AAAA22606:4700:3033::ac43:8e55, 2606:4700:3031::6815:2928
NS2monika.ns.cloudflare.com, rommy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1monika.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

sub4sub.io points to four IP numbers: 2606:4700:3031::6815:2928, 2606:4700:3033::ac43:8e55, 104.21.41.40 and 172.67.142.85.

Other host names, for instance nokaxunetiaconsulting.pics, mail.frigosoft.ru, arbab.org, tscdvbe.com and possu-kasino.fi share IP numbers with sub4sub.io.

Name Servers

sub4sub.io is delegated to two name servers: monika.ns.cloudflare.com and rommy.ns.cloudflare.com.

sub4sub.io uses the same name server setup as other domains, for instance x88nhacai.com, 1789.mobi, 99win.study, 88vv.tech and s8s889.com.

sub4sub.io shares name servers with other domains at least partially, for instance xuyibo.org, 6h4nf.lol, akht03.com, sin-a.com and dailynewstodayupdate.com.

These name servers are commonly used with nova.ns.cloudflare.com, hasslo.ns.cloudflare.com, sandra.ns.cloudflare.com and isabel.ns.cloudflare.com.

Host names with six IP numbers: monika.ns.cloudflare.com points to 2606:4700:50::a29f:2638, 2803:f800:50::6ca2:c238, 2a06:98c1:50::ac40:2238, 108.162.194.56, 162.159.38.56 and 172.64.34.56; rommy.ns.cloudflare.com points to 2606:4700:58::a29f:2c14, 2803:f800:50::6ca2:c314, 2a06:98c1:50::ac40:2314, 108.162.195.20, 162.159.44.20 and 172.64.35.20.