4check.su - dns.ninja

4check.su

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:1497🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:c127🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.151Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.193.39🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScleo.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A2803:f800:50::6ca2:c159🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcleo.ns.cloudflare.com
A2a06:98c1:50::ac40:2159🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcleo.ns.cloudflare.com
A108.162.193.89🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A172.64.33.89🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A173.245.59.89🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
NSnola.ns.cloudflare.com
A2606:4700:50::adf5:3ad4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnola.ns.cloudflare.com
A2803:f800:50::6ca2:c0d4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnola.ns.cloudflare.com
A2a06:98c1:50::ac40:20d4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnola.ns.cloudflare.com
A108.162.192.212🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnola.ns.cloudflare.com
A172.64.32.212🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnola.ns.cloudflare.com
A173.245.58.212🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnola.ns.cloudflare.com
TXTgoogle-site-verification=y-M-zsuVhR2LFqnyMmKiF0c5JIyyTEs9sYkDJOULxTI
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.20.151, 172.67.193.39
IPv6 hints2606:4700:3032::6815:1497, 2606:4700:3033::ac43:c127
SOAcleo.ns.cloudflare.comdns@cloudflare.com serial=2408781764

su

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSc.tld-servers.ru
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=650210080
rank #933735 globally
rank #418 in the tld
⚠️ On DNS blocklist: spam-tlds

Same first word

4check.de
4check.me
4check.info
4check.eu
4check.website
4check.su
4check.com
4check.net

Similar names

check4.us
check4.info
check4.com
check4.de
check4.be

DNS History

14 records (6 active, 8 former)

NScleo.ns.cloudflare.comnola.ns.cloudflare.comcrystal.ns.cloudflare.comns1.expired.reg.runs2.expired.reg.ruzeus.ns.cloudflare.comA104.21.20.151172.67.193.392606:4700:3032::6815:14972606:4700:3033::ac43:c127104.21.21.196172.67.200.182606:4700:3032::6815:15c42606:4700:3035::ac43:c812
●NScleo.ns.cloudflare.com2026-07-17 → 2026-08-04 · 3 obs
○ 2026-06-14 04:36:50
● 2026-07-17 06:07:04
● 2026-08-04 02:53:06
○NScrystal.ns.cloudflare.com2026-03-09 → 2026-05-03 · 4 obs
● 2026-03-09 06:08:14
● 2026-05-03 01:14:54
○ 2026-06-14 04:36:50
○ 2026-08-04 02:53:06
●NSnola.ns.cloudflare.com2026-07-17 → 2026-08-04 · 3 obs
○ 2026-06-14 04:36:50
● 2026-07-17 06:07:04
● 2026-08-04 02:53:06
○NSns1.expired.reg.ru2026-06-14 → 2026-06-14 · 4 obs
○ 2026-05-03 01:14:54
● 2026-06-14 04:36:50
○ 2026-07-17 06:07:04
○ 2026-08-04 02:53:06
○NSns2.expired.reg.ru2026-06-14 → 2026-06-14 · 4 obs
○ 2026-05-03 01:14:54
● 2026-06-14 04:36:50
○ 2026-07-17 06:07:04
○ 2026-08-04 02:53:06
○NSzeus.ns.cloudflare.com2026-03-09 → 2026-05-03 · 4 obs
● 2026-03-09 06:08:14
● 2026-05-03 01:14:54
○ 2026-06-14 04:36:50
○ 2026-08-04 02:53:06
●A104.21.20.1512026-07-17 → 2026-08-04 · 3 obs
○ 2026-06-14 04:36:50
● 2026-07-17 06:07:04
● 2026-08-04 02:53:06
○A104.21.21.1962026-03-09 → 2026-05-03 · 4 obs
● 2026-03-09 06:08:14
● 2026-05-03 01:14:54
○ 2026-06-14 04:36:50
○ 2026-08-04 02:53:06
●A172.67.193.392026-07-17 → 2026-08-04 · 3 obs
○ 2026-06-14 04:36:50
● 2026-07-17 06:07:04
● 2026-08-04 02:53:06
○A172.67.200.182026-03-09 → 2026-05-03 · 4 obs
● 2026-03-09 06:08:14
● 2026-05-03 01:14:54
○ 2026-06-14 04:36:50
○ 2026-08-04 02:53:06
●A2606:4700:3032::6815:14972026-07-17 → 2026-08-04 · 3 obs
○ 2026-06-14 04:36:50
● 2026-07-17 06:07:04
● 2026-08-04 02:53:06
○A2606:4700:3032::6815:15c42026-03-09 → 2026-05-03 · 4 obs
● 2026-03-09 06:08:14
● 2026-05-03 01:14:54
○ 2026-06-14 04:36:50
○ 2026-08-04 02:53:06
●A2606:4700:3033::ac43:c1272026-07-17 → 2026-08-04 · 3 obs
○ 2026-06-14 04:36:50
● 2026-07-17 06:07:04
● 2026-08-04 02:53:06
○A2606:4700:3035::ac43:c8122026-03-09 → 2026-05-03 · 4 obs
● 2026-03-09 06:08:14
● 2026-05-03 01:14:54
○ 2026-06-14 04:36:50
○ 2026-08-04 02:53:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
sub.dns.ripn.net, e.dns.ripn.net, c.tld-servers.ru, a.dns.ripn.net...12 records
4check.sucleo.ns.cloudflare.com, nola.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.212

NS records: cleo.ns.cloudflare.com, nola.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4check.su (unsigned zone)

⏱️ Timing

Total: 594ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.193.39, 104.21.20.151
AAAA22606:4700:3032::6815:1497, 2606:4700:3033::ac43:c127
NS2cleo.ns.cloudflare.com, nola.ns.cloudflare.com
TXT1google-site-verification=y-M-zsuVhR2LFqn
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cleo.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (b.dns.ripn.net, b.dns.ripn.net, e.dns.ripn.net...)

Analysis

IP Addresses

4check.su directs to four IP numbers, which are 104.21.20.151, 172.67.193.39, 2606:4700:3032::6815:1497 and 2606:4700:3033::ac43:c127.

juniperfirebend.com, mail.foodbandits.nl, vn.com.se and two other host names share IP numbers with 4check.su.

Name Servers

4check.su has two authoritative name servers — cleo.ns.cloudflare.com and nola.ns.cloudflare.com.

4check.su uses the same name servers as several other domains — among them summerwind.jp, dsrm.org.au, lovejesus.xyz and two more.

At least some of 4check.su's name servers are shared with other domains, for example iaru-adguard.pro, niceclaws.top, tantegel.com and two more.

These name servers are often deployed together with the name servers hayes.ns.cloudflare.com, veda.ns.cloudflare.com, dalary.ns.cloudflare.com and bob.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

cleo.ns.cloudflare.com points to 108.162.193.89, 172.64.33.89, 173.245.59.89 and 3 other IP addresses.

nola.ns.cloudflare.com points to 108.162.192.212, 172.64.32.212, 173.245.58.212 and 3 other IP addresses.