4check.su - robtex.com
4check.su
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:15c4🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:c812🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.21.196Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.200.18🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | crystal.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26ca🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | crystal.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2ca🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | crystal.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22ca🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | crystal.ns.cloudflare.com | ||||||
| A | 108.162.194.202🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | crystal.ns.cloudflare.com | ||||||
| A | 162.159.38.202Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | crystal.ns.cloudflare.com | ||||||
| A | 172.64.34.202🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | crystal.ns.cloudflare.com | ||||||
| NS | zeus.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bf9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zeus.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zeus.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21f9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zeus.ns.cloudflare.com | ||||||
| A | 108.162.193.249🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zeus.ns.cloudflare.com | ||||||
| A | 172.64.33.249🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zeus.ns.cloudflare.com | ||||||
| A | 173.245.59.249🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zeus.ns.cloudflare.com | ||||||
| TXT | google-site-verification=LuRH7zUjf-QCkE-x26_NGmDab2QqxAnjLYb9ESxn26o | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.21.196, 172.67.200.18 | ||||||
| IPv6 | 2606:4700:3032::6815:15c4, 2606:4700:3035::ac43:c812 | ||||||
| SOA | crystal.ns.cloudflare.comdns@cloudflare.com serial=2396808369 | ||||||
su
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.ripn.net ⭐ | ||||||
| NS | b.dns.ripn.net | ||||||
| NS | d.dns.ripn.net | ||||||
| NS | e.dns.ripn.net | ||||||
| NS | f.dns.ripn.net | ||||||
| SOA | a.dns.ripn.nethostmaster@ripn.net serial=650208487 | ||||||
rank #229 in the tld
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NScrystal.ns.cloudflare.com2026-03-09 → 2026-03-24 · 2 obs
● 2026-03-24 17:43:24
●NSzeus.ns.cloudflare.com2026-03-09 → 2026-03-24 · 2 obs
● 2026-03-24 17:43:24
●A104.21.21.1962026-03-09 → 2026-03-24 · 2 obs
● 2026-03-24 17:43:24
●A172.67.200.182026-03-09 → 2026-03-24 · 2 obs
● 2026-03-24 17:43:24
●A2606:4700:3032::6815:15c42026-03-09 → 2026-03-24 · 2 obs
● 2026-03-24 17:43:24
●A2606:4700:3035::ac43:c8122026-03-09 → 2026-03-24 · 2 obs
● 2026-03-24 17:43:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| su | d.dns.ripn.net, f.dns.ripn.net, b.dns.ripn.net, a.dns.ripn.net... | - |
| 4check.su | zeus.ns.cloudflare.com, crystal.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.249
NS records: zeus.ns.cloudflare.com, crystal.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 4check.su (unsigned zone)
⏱️ Timing
Total: 786ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.200.18, 104.21.21.196 |
| AAAA | 2 | 2606:4700:3035::ac43:c812, 2606:4700:3032::6815:15c4 |
| NS | 2 | crystal.ns.cloudflare.com, zeus.ns.cloudflare.com |
| TXT | 1 | google-site-verification=LuRH7zUjf-QCkE- |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | crystal.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
Four IP numbers are pointed to by 4check.su: 2606:4700:3032::6815:15c4, 2606:4700:3035::ac43:c812, 104.21.21.196 and 172.67.200.18.
other host names including fastiv-rada.gov.ua, seller.red, southjordancondoinsurance.com, 4youink.cn and ynpc.net share IP numbers with 4check.su.
Name Servers
4check.su is delegated to two name servers crystal.ns.cloudflare.com and zeus.ns.cloudflare.com.
4check.su shares the same name server setup as other domains, for instance eamvision.com, prozonei.cc, briansclubcc.com, thefragens.com and xleet.ru.
4check.su at least partially shares name servers with other domains, for instance ae888linkvao.it.com, istanbul-ilaclama.com, merrilldevelopment.net, yxuhd.ink and algebrasoft.com.
These name servers are commonly used with thaddeus.ns.cloudflare.com, apollo.ns.cloudflare.com and megan.ns.cloudflare.com.
Host names with six IP numbers:
Host name crystal.ns.cloudflare.com points to: 2606:4700:50::a29f:26ca, 2803:f800:50::6ca2:c2ca, 2a06:98c1:50::ac40:22ca, 108.162.194.202, 162.159.38.202 and 172.64.34.202.
Host name zeus.ns.cloudflare.com points to: 2606:4700:58::adf5:3bf9, 2803:f800:50::6ca2:c1f9, 2a06:98c1:50::ac40:21f9, 108.162.193.249, 172.64.33.249 and 173.245.59.249.