f1s0.com - robtex.com

f1s0.com

DNSSEC⚠️ Not signed
A2606:4700:3035::ac43:d848🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:180e🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.24.14Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.216.72🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelijah.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cfd🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelijah.ns.cloudflare.com
A2803:f800:50::6ca2:c3fd🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelijah.ns.cloudflare.com
A2a06:98c1:50::ac40:23fd🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelijah.ns.cloudflare.com
A108.162.195.253🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelijah.ns.cloudflare.com
A162.159.44.253Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelijah.ns.cloudflare.com
A172.64.35.253🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelijah.ns.cloudflare.com
NSjean.ns.cloudflare.com
A2606:4700:50::adf5:3a79🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjean.ns.cloudflare.com
A2803:f800:50::6ca2:c079🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjean.ns.cloudflare.com
A2a06:98c1:50::ac40:2079🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjean.ns.cloudflare.com
A108.162.192.121🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjean.ns.cloudflare.com
A172.64.32.121🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjean.ns.cloudflare.com
A173.245.58.121🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjean.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.24.14, 172.67.216.72
IPv6 hints2606:4700:3035::ac43:d848, 2606:4700:3036::6815:180e
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=12, name=cloudflare-ech.com
SOAelijah.ns.cloudflare.comdns@cloudflare.com serial=2410445708

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785244222

Same first word

f1s0.com

Similar names

sf01.cc
f10s.com
sf10.cn
sf10.com
fs01.com
10fs.com
fs01.net
fs10.dk
fs01.at
fs10.com
s1f0.com
f10s.co.jp
fs10.xyz
10fs.co.il
10sf.com
10sf.cc
fs10.de
sf01.de
fs01.cn

DNS History

9 records (6 active, 3 former)

20192020202120222023202420252026NSelijah.ns.cloudflare.comjean.ns.cloudflare.comns1.dns.comns2.dns.comA104.21.24.14172.67.216.722606:4700:3035::ac43:d8482606:4700:3036::6815:180e104.252.51.135
●NSelijah.ns.cloudflare.com2026-07-11 → 2026-07-28 · 3 obs
○ 2018-05-13 22:05:18
● 2026-07-11 20:55:40
● 2026-07-28 13:21:04
●NSjean.ns.cloudflare.com2026-07-11 → 2026-07-28 · 3 obs
○ 2018-05-13 22:05:18
● 2026-07-11 20:55:40
● 2026-07-28 13:21:04
○NSns1.dns.com2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 22:05:18
○ 2026-07-11 20:55:40
○ 2026-07-28 13:21:04
○NSns2.dns.com2018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 22:05:18
○ 2026-07-11 20:55:40
○ 2026-07-28 13:21:04
●A104.21.24.142026-07-11 → 2026-07-28 · 3 obs
○ 2018-05-13 22:05:18
● 2026-07-11 20:55:40
● 2026-07-28 13:21:04
○A104.252.51.1352018-05-13 → 2018-05-13 · 3 obs
● 2018-05-13 22:05:18
○ 2026-07-11 20:55:40
○ 2026-07-28 13:21:04
●A172.67.216.722026-07-11 → 2026-07-28 · 3 obs
○ 2018-05-13 22:05:18
● 2026-07-11 20:55:40
● 2026-07-28 13:21:04
●A2606:4700:3035::ac43:d8482026-07-11 → 2026-07-28 · 3 obs
○ 2018-05-13 22:05:18
● 2026-07-11 20:55:40
● 2026-07-28 13:21:04
●A2606:4700:3036::6815:180e2026-07-11 → 2026-07-28 · 3 obs
○ 2018-05-13 22:05:18
● 2026-07-11 20:55:40
● 2026-07-28 13:21:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...-
f1s0.comjean.ns.cloudflare.com, elijah.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.121

NS records: jean.ns.cloudflare.com, elijah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f1s0.com (unsigned zone)

⏱️ Timing

Total: 146ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.216.72, 104.21.24.14
AAAA22606:4700:3036::6815:180e, 2606:4700:3035::ac43:d848
NS2elijah.ns.cloudflare.com, jean.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1elijah.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (jean.ns.cloudflare.com, jean.ns.cloudflare.com, jean.ns.cloudflare.com...)

Analysis

IP Addresses

f1s0.com resolves to four IP addresses: 104.21.24.14, 172.67.216.72, 2606:4700:3035::ac43:d848 and 2606:4700:3036::6815:180e.

www.403340.com, caredirectapp.com, fr.sumpiuh.com and two other host names share IP numbers with f1s0.com.

Name Servers

Two name servers handle the delegation for f1s0.com: elijah.ns.cloudflare.com and jean.ns.cloudflare.com.

f1s0.com uses the same name servers as several other domains — among them 0d3b4f9b.com, 780322.com, mgm106.com and two more.

f1s0.com partially shares its NS delegation with several other domains, including zeuswin-pl.com, melhordolar.com.br, charmybride.com and two others.

These name servers regularly co-occur with the name servers coco.ns.cloudflare.com, dana.ns.cloudflare.com and magali.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

elijah.ns.cloudflare.com resolves to 108.162.195.253, 162.159.44.253 and 172.64.35.253 among others, with 3 other IP addresses in total.

jean.ns.cloudflare.com resolves to 108.162.192.121, 172.64.32.121 and 173.245.58.121 among others, with 3 other IP addresses in total.