4sf.link - robtex.com

4sf.link

DNSSEC🔒 Signed (DS record present)
NSdns1.p01.nsone.net ⭐
A2620:4d:4000:6259:7:1:0:1🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns1.p01.nsone.net
A198.51.44.1🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns1.p01.nsone.net
NSdns2.p01.nsone.net
A2a00:edc0:6259:7:1::2🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns2.p01.nsone.net
A198.51.45.1🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns2.p01.nsone.net
NSdns3.p01.nsone.net
A2620:4d:4000:6259:7:1:0:3🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48
PTRdns3.p01.nsone.net
A198.51.44.65🇺🇸 NSONE198.51.44.0/24 198.51.44.0
PTRdns3.p01.nsone.net
NSdns4.p01.nsone.net
A2a00:edc0:6259:7:1::4🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2
PTRdns4.p01.nsone.net
A198.51.45.65🇺🇸 NSONE198.51.45.0/24 198.51.45.0
PTRdns4.p01.nsone.net
TXTv=spf1 -all
SOAdns1.p01.nsone.nethostmaster@nsone.net serial=1685626219

link

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1774821201

Same first word

4sf.ru
4sf.link
4sf.cc
4sf.eu
4sf.si
4sf.net
4sf.xyz

Similar names

sf4.jp
4fs.me
s4f.at
4fs.dance
s4f.com
4fs.org
s4f.co
4fs.es
s4f.eu
f4s.in
4fs.nl
s4f.org
fs4.com
f4s.sk
f4s.org.uk
s4f.cz
fs4.us
fs4.de
f4s.de
s4f.com.tr
sf4.de
fs4.lol
fs4.at
s4f.net
f4s.com
4fs.tech
s4f.se
sf4.es
4fs.com.br
4fs.com
sf4.it
sf4.com
4fs.pl
4fs.no
4fs.co.za
s4f.ru
f4s.ca
sf4.net
f4s.cn
4fs.net
sf4.biz
f4s.ru
f4s.org
s4f.de
4fs.us
f4s.eu
s4f.fr
4fs.com.au
f4s.ch
4fs.cc
f4s.net
f4s.fr
fs4.net
4fs.de
s4f.vn
sf4.ru
fs4.cn
s4f.solutions
4fs.co.uk

DNS History

4 records (4 active, 0 former)

NSdns1.p01.nsone.netdns2.p01.nsone.netdns3.p01.nsone.netdns4.p01.nsone.net
●NSdns1.p01.nsone.net2026-02-17 → 2026-03-29 · 2 obs
● 2026-02-17 21:19:22
● 2026-03-29 21:56:34
●NSdns2.p01.nsone.net2026-02-17 → 2026-03-29 · 2 obs
● 2026-02-17 21:19:22
● 2026-03-29 21:56:34
●NSdns3.p01.nsone.net2026-02-17 → 2026-03-29 · 2 obs
● 2026-02-17 21:19:22
● 2026-03-29 21:56:34
●NSdns4.p01.nsone.net2026-02-17 → 2026-03-29 · 2 obs
● 2026-02-17 21:19:22
● 2026-03-29 21:56:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
linkns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info-
4sf.linkdns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p01.nsone.net-

✅ Authoritative Response

Server:198.51.45.1

NS records: dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, dns1.p01.nsone.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 348ms | Queries: -

📄 Records

TypeCountSample Data
NS4dns3.p01.nsone.net, dns2.p01.nsone.net...
TXT1v=spf1 -all
SOA1dns1.p01.nsone.net hostmaster.nsone.net

Analysis

Name Servers

4sf.link is delegated to four name servers: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net.

4sf.link at least partially shares name servers with other domains, for instance live-now.app, invegasustenna2.com, virtualtravel.tours, contsulta.com and darzalexmoa.ca.

These name servers are commonly used alongside ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, ns01.jnjdns.com, ns02.jnjdns.com, ns03.jnjdns.com, ns04.jnjdns.com, connect1.squarespacedns.com and connect2.squarespacedns.com.

Host names with two IP numbers: dns1.p01.nsone.net points to 2620:4d:4000:6259:7:1:0:1 and 198.51.44.1; dns2.p01.nsone.net points to 2a00:edc0:6259:7:1::2 and 198.51.45.1; dns3.p01.nsone.net points to 2620:4d:4000:6259:7:1:0:3 and 198.51.44.65; dns4.p01.nsone.net points to 2a00:edc0:6259:7:1::4 and 198.51.45.65.