fcs.com.vn - robtex.com

fcs.com.vn

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:4665🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:ded7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.70.101Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.222.215🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSace.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c41🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRace.ns.cloudflare.com
A2803:f800:50::6ca2:c341🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRace.ns.cloudflare.com
A2a06:98c1:50::ac40:2341🇺🇸 Cloudflare2a06:98c1:50::/45
PTRace.ns.cloudflare.com
A108.162.195.65🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRace.ns.cloudflare.com
A162.159.44.65Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRace.ns.cloudflare.com
A172.64.35.65🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRace.ns.cloudflare.com
NSbetty.ns.cloudflare.com
A2606:4700:50::adf5:3a4b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbetty.ns.cloudflare.com
A2803:f800:50::6ca2:c04b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbetty.ns.cloudflare.com
A2a06:98c1:50::ac40:204b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbetty.ns.cloudflare.com
A108.162.192.75🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbetty.ns.cloudflare.com
A172.64.32.75🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbetty.ns.cloudflare.com
A173.245.58.75🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbetty.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.70.101, 172.67.222.215
IPv6 hints2606:4700:3031::6815:4665, 2606:4700:3033::ac43:ded7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com
SOAace.ns.cloudflare.comdns@cloudflare.com serial=2410112253

com.vn

DNSSEC⚠️ Not signed
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn ⚠️ Not in parent delegation
NSb.dns-servers.vn ⚠️ Not in parent delegation
NSc.dns-servers.vn ⚠️ Not in parent delegation
NSd.dns-servers.vn ⚠️ Not in parent delegation
NSe.dns-servers.vn ⚠️ Not in parent delegation
NSf.dns-servers.vn ⚠️ Not in parent delegation
NSg.dns-servers.vn ⚠️ Not in parent delegation
NSh.dns-servers.vn ⚠️ Not in parent delegation
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2022840862

Same first word

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fcs.k12.in.us
fcs.com.br
fcs.org.pl
fcs.ee
fcs.aero
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fcs.vn
fcs.nl

Similar names

sfc.us
sfc.cn
sfc.co
cfs.de
sfc.org.sa
fsc.org.nz
fsc.net
cfs.sg
scf.plus
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csf.ge
cfs.direct
fsc.bz
scf.com.tw
csf.org.cn
cfs.ae
sfc.at
cfs.or.kr
sfc.hk
scf.de
sfc.com.hk
cfs.readthedocs.io
scf.org.sg
csf.by
csf.or.jp
csf.lu
cfs.ca
sfc.bz
cfs.co
csf.bc.ca
sfc.ru
csf.tools
fsc.com.ua
sfc.red
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csf.md
sfc.pt
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cfs.org.sg
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cfs.ee
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scf.co.za
fsc.kz
fsc.gov.ae
cfs.it
scf.net
csf.io
cfs.financial
cfs.info
csf.ne.jp
cfs.jpn.com
scf.k12.wi.us
cfs.com.ph
cfs.works
scf.church
fsc.org.ua
scf.dk
fsc.vn
scf.es
fsc.in
fsc.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSace.ns.cloudflare.combetty.ns.cloudflare.comns-master.inet.vnns1.inet.vnns2.inet.vnA104.21.70.101172.67.222.2152606:4700:3031::6815:46652606:4700:3033::ac43:ded7210.245.89.17042.112.31.10
●NSace.ns.cloudflare.com2026-08-07 → 2026-08-08 · 3 obs
○ 2026-04-23 04:06:16
● 2026-08-07 09:11:04
● 2026-08-08 08:37:12
●NSbetty.ns.cloudflare.com2026-08-07 → 2026-08-08 · 3 obs
○ 2026-04-23 04:06:16
● 2026-08-07 09:11:04
● 2026-08-08 08:37:12
○NSns-master.inet.vn2015-10-01 → 2017-01-17 · 4 obs
● 2015-10-01 08:16:34
● 2017-01-17 18:58:00
○ 2026-04-23 04:06:16
○ 2026-08-08 08:37:12
○NSns1.inet.vn2015-10-01 → 2017-01-17 · 4 obs
● 2015-10-01 08:16:34
● 2017-01-17 18:58:00
○ 2026-04-23 04:06:16
○ 2026-08-08 08:37:12
○NSns2.inet.vn2015-10-01 → 2017-01-17 · 4 obs
● 2015-10-01 08:16:34
● 2017-01-17 18:58:00
○ 2026-04-23 04:06:16
○ 2026-08-08 08:37:12
●A104.21.70.1012026-08-07 → 2026-08-08 · 3 obs
○ 2026-04-23 04:06:16
● 2026-08-07 09:11:04
● 2026-08-08 08:37:12
●A172.67.222.2152026-08-07 → 2026-08-08 · 3 obs
○ 2026-04-23 04:06:16
● 2026-08-07 09:11:04
● 2026-08-08 08:37:12
○A210.245.89.1702016-04-11 → 2017-01-17 · 5 obs
○ 2016-03-08 02:36:32
● 2016-04-11 17:17:00
● 2017-01-17 18:58:00
○ 2026-04-23 04:06:16
○ 2026-08-08 08:37:12
●A2606:4700:3031::6815:46652026-08-07 → 2026-08-08 · 3 obs
○ 2026-04-23 04:06:16
● 2026-08-07 09:11:04
● 2026-08-08 08:37:12
●A2606:4700:3033::ac43:ded72026-08-07 → 2026-08-08 · 3 obs
○ 2026-04-23 04:06:16
● 2026-08-07 09:11:04
● 2026-08-08 08:37:12
○A42.112.31.102015-06-29 → 2016-03-08 · 4 obs
● 2015-06-29 17:37:10
● 2016-03-08 02:36:32
○ 2016-04-11 17:17:00
○ 2026-08-08 08:37:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
fcs.com.vnace.ns.cloudflare.com, betty.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.75

NS records: ace.ns.cloudflare.com, betty.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fcs.com.vn (unsigned zone)

⏱️ Timing

Total: 2041ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.222.215, 104.21.70.101
AAAA22606:4700:3033::ac43:ded7, 2606:4700:3031::6815:4665
NS2ace.ns.cloudflare.com, betty.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ace.ns.cloudflare.com dns.cloudflare.com

Analysis

IP Addresses

fcs.com.vn has four IP addresses: 104.21.70.101, 172.67.222.215, 2606:4700:3031::6815:4665 and 2606:4700:3033::ac43:ded7.

Additional host names — crackerbarreladasettlement.com, knowkulture.com, anyticket.it and two others — share IP numbers with fcs.com.vn.

Name Servers

fcs.com.vn has two authoritative name servers — ace.ns.cloudflare.com and betty.ns.cloudflare.com.

fcs.com.vn shares its name server setup with other domains, including go88vn.lat, bdccstaking.io, decrypt.co.com and two others.

fcs.com.vn partially shares its NS delegation with several other domains, including 4455nu.com, goldalles.com, fpachicago.com and two others.

These name servers regularly co-occur with the name servers piotr.ns.cloudflare.com, anastasia.ns.cloudflare.com and colette.ns.cloudflare.com.

Host names with 6 IP numbers:

ace.ns.cloudflare.com points to 108.162.195.65, 162.159.44.65, 172.64.35.65 and 3 other IP addresses.

betty.ns.cloudflare.com points to 108.162.192.75, 172.64.32.75, 173.245.58.75 and 3 other IP addresses.