4sim.st - robtex.com
4sim.st
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::ac43:bf60🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:546a🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.84.106Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.191.96🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | donna.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a97🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c097🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2097🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 108.162.192.151🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 172.64.32.151🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| A | 173.245.58.151🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | donna.ns.cloudflare.com | ||||||
| NS | karl.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3bbe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21be🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 108.162.193.190🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 172.64.33.190🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 173.245.59.190🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.84.106, 172.67.191.96 | ||||||
| IPv6 hints | 2606:4700:3035::ac43:bf60, 2606:4700:3036::6815:546a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com | ||||||
| SOA | donna.ns.cloudflare.comdns@cloudflare.com serial=2402364221 | ||||||
st
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.bahnhof.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | dns-st.bahnhof.net ⚠️ Not in parent delegation | ||||||
| NS | southeast-2.dns-au.st | ||||||
| NS | west-2.dns-us.st | ||||||
| SOA | ns1.bahnhof.nethostmaster@nic.st serial=2511376548 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdonna.ns.cloudflare.com2026-04-17 → 2026-05-11 · 2 obs
● 2026-05-11 05:42:22
●NSkarl.ns.cloudflare.com2026-04-17 → 2026-05-11 · 2 obs
● 2026-05-11 05:42:22
●A104.21.84.1062026-04-17 → 2026-05-11 · 2 obs
● 2026-05-11 05:42:22
●A172.67.191.962026-04-17 → 2026-05-11 · 2 obs
● 2026-05-11 05:42:22
●A2606:4700:3035::ac43:bf602026-04-17 → 2026-05-11 · 2 obs
● 2026-05-11 05:42:22
●A2606:4700:3036::6815:546a2026-04-17 → 2026-05-11 · 2 obs
● 2026-05-11 05:42:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| st | southeast-2.dns-au.st, dns-st.bahnhof.net, ns1.bahnhof.net, west-2.dns-us.st | 8 records |
| 4sim.st | donna.ns.cloudflare.com, karl.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.151
NS records: donna.ns.cloudflare.com, karl.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for st (unsigned zone)
⏱️ Timing
Total: 360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.191.96, 104.21.84.106 |
| AAAA | 2 | 2606:4700:3036::6815:546a, 2606:4700:3035::ac43:bf60 |
| NS | 2 | donna.ns.cloudflare.com, karl.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | donna.ns.cloudflare.com dns.cloudflare.c |
📌 Glue Records Collected
Total: 8
In-bailiwick: 4 (southeast-2.dns-au.st, southeast-2.dns-au.st, west-2.dns-us.st...)
Out-of-bailiwick: 4 (dns-st.bahnhof.net, dns-st.bahnhof.net, ns1.bahnhof.net...)
Analysis
IP Addresses
4sim.st maps to four IP numbers: 2606:4700:3035::ac43:bf60, 2606:4700:3036::6815:546a, 104.21.84.106 and 172.67.191.96.
other host names include rsvvpp.icu, pocari4dsel.live, www.boom.(0x706f726e), www.lilbachr.com and psyliga.com; they share IP numbers with 4sim.st.
Name Servers
Two name servers donna.ns.cloudflare.com and karl.ns.cloudflare.com handle the delegation for 4sim.st.
4sim.st shares the same name server setup as other domains, for instance blatantlyupmarlin.cfd, explicitlyfreshmouse.shop, noticeablysweetsculpin.icu, monthlycleanlamprey.shop and noticeablyhotfox.shop.
4sim.st at least partially shares name servers with other domains, for instance maacfaridabad.com, azarim.org.il, kudzuartzone.org, audestin.com and littlemore.me.uk.
These name servers are commonly used with moura.ns.cloudflare.com, nash.ns.cloudflare.com, pablo.ns.cloudflare.com, bayan.ns.cloudflare.com, tori.ns.cloudflare.com and april.ns.cloudflare.com.
Six IP addresses per host:
donna.ns.cloudflare.com points to 2606:4700:50::adf5:3a97, 2803:f800:50::6ca2:c097, 2a06:98c1:50::ac40:2097, 108.162.192.151, 172.64.32.151 and 173.245.58.151; karl.ns.cloudflare.com points to 2606:4700:58::adf5:3bbe, 2803:f800:50::6ca2:c1be, 2a06:98c1:50::ac40:21be, 108.162.193.190, 172.64.33.190 and 173.245.59.190