opencup.vn - robtex.com

opencup.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:c5d6🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:345e🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.94Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.197.214🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkenneth.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c29🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkenneth.ns.cloudflare.com
A2803:f800:50::6ca2:c329🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkenneth.ns.cloudflare.com
A2a06:98c1:50::ac40:2329🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkenneth.ns.cloudflare.com
A108.162.195.41🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkenneth.ns.cloudflare.com
A162.159.44.41Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkenneth.ns.cloudflare.com
A172.64.35.41🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkenneth.ns.cloudflare.com
NStegan.ns.cloudflare.com
A2606:4700:50::adf5:3ae2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A2803:f800:50::6ca2:c0e2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtegan.ns.cloudflare.com
A2a06:98c1:50::ac40:20e2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtegan.ns.cloudflare.com
A108.162.192.226🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A172.64.32.226🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
A173.245.58.226🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtegan.ns.cloudflare.com
TXTgoogle-site-verification=474aFsRSVfVXS0iXaVaxKt-MDfYiDDr-bCmnRex1hEQ
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.52.94, 172.67.197.214
IPv62606:4700:3032::ac43:c5d6, 2606:4700:3035::6815:345e
SOAkenneth.ns.cloudflare.comdns@cloudflare.com serial=2395001849

vn

DNSSEC🔒 Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn 🔒
NSb.dns-servers.vn 🔒
NSc.dns-servers.vn 🔒
NSd.dns-servers.vn 🔒
NSe.dns-servers.vn 🔒
NSf.dns-servers.vn 🔒
NSg.dns-servers.vn 🔒
NSh.dns-servers.vn 🔒
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030540112
⚠️ On DNS blocklist: tif

Same first word

opencup.gov.it
opencup.org
opencup.com
opencup.net
opencup.vn
opencup.cn
opencup.it

Similar names

cuppone.com
opencpu.com
econpup.com
cuppone.ru
opencpu.org

DNS History

8 records (6 active, 2 former)

NSkenneth.ns.cloudflare.comtegan.ns.cloudflare.comA104.21.52.94172.67.197.2142606:4700:3032::ac43:c5d62606:4700:3035::6815:345e172.64.80.12606:4700:130:436c:6f75:6466:6c61:7265
●NSkenneth.ns.cloudflare.com2026-03-01 → 2026-03-24 · 2 obs
● 2026-03-01 00:20:20
● 2026-03-24 05:02:40
●NStegan.ns.cloudflare.com2026-03-01 → 2026-03-24 · 2 obs
● 2026-03-01 00:20:20
● 2026-03-24 05:02:40
●A104.21.52.942026-03-01 → 2026-03-24 · 5 obs
● 2026-03-01 00:20:20
● 2026-03-11 20:50:32
○ 2026-03-15 16:50:14
● 2026-03-23 11:52:46
● 2026-03-24 05:02:40
○A172.64.80.12026-03-15 → 2026-03-15 · 4 obs
○ 2026-03-11 20:50:32
● 2026-03-15 16:50:14
○ 2026-03-23 11:52:46
○ 2026-03-24 05:02:40
●A172.67.197.2142026-03-01 → 2026-03-24 · 5 obs
● 2026-03-01 00:20:20
● 2026-03-11 20:50:32
○ 2026-03-15 16:50:14
● 2026-03-23 11:52:46
● 2026-03-24 05:02:40
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-15 → 2026-03-15 · 4 obs
○ 2026-03-11 20:50:32
● 2026-03-15 16:50:14
○ 2026-03-23 11:52:46
○ 2026-03-24 05:02:40
●A2606:4700:3032::ac43:c5d62026-03-01 → 2026-03-24 · 5 obs
● 2026-03-01 00:20:20
● 2026-03-11 20:50:32
○ 2026-03-15 16:50:14
● 2026-03-23 11:52:46
● 2026-03-24 05:02:40
●A2606:4700:3035::6815:345e2026-03-01 → 2026-03-24 · 5 obs
● 2026-03-01 00:20:20
● 2026-03-11 20:50:32
○ 2026-03-15 16:50:14
● 2026-03-23 11:52:46
● 2026-03-24 05:02:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
opencup.vntegan.ns.cloudflare.com, kenneth.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.226

NS records: tegan.ns.cloudflare.com, kenneth.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opencup.vn (unsigned zone)

⏱️ Timing

Total: 1217ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.52.94, 172.67.197.214
AAAA22606:4700:3032::ac43:c5d6, 2606:4700:3035::6815:345e
NS2kenneth.ns.cloudflare.com, tegan.ns.cloudflare.com
TXT1google-site-verification=474aFsRSVfVXS0i
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kenneth.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

opencup.vn maps to four IP numbers: 2606:4700:3032::ac43:c5d6, 2606:4700:3035::6815:345e, 104.21.52.94 and 172.67.197.214.

other host names include tmimoveis.com.br, tower-rush-indian.com, www.brasilsports.org, ru.(0x7868616d73746572)45.desi and 3r-film.com; they share IP numbers with opencup.vn.

Name Servers

Two name servers kenneth.ns.cloudflare.com and tegan.ns.cloudflare.com handle the delegation for opencup.vn.

opencup.vn shares the same name server setup as other domains, for instance diamonddistributing.com, stjo.biz, cscominc.com, usteducation.net and semops.nl.

opencup.vn at least partially shares name servers with other domains, for instance pertuttimode.nl, ukgamingnews.com, beattyssports.com, istyboe.top and tinyshiny.net.

Six IP addresses per host:

kenneth.ns.cloudflare.com points to 2606:4700:58::a29f:2c29, 2803:f800:50::6ca2:c329, 2a06:98c1:50::ac40:2329, 108.162.195.41, 162.159.44.41 and 172.64.35.41; tegan.ns.cloudflare.com points to 2606:4700:50::adf5:3ae2, 2803:f800:50::6ca2:c0e2, 2a06:98c1:50::ac40:20e2, 108.162.192.226, 172.64.32.226 and 173.245.58.226