vuc.vn - robtex.com

vuc.vn

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8a8c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2e79🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.46.121Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.138.140🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjack.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b79🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A2803:f800:50::6ca2:c179🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjack.ns.cloudflare.com
A2a06:98c1:50::ac40:2179🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjack.ns.cloudflare.com
A108.162.193.121🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A172.64.33.121🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A173.245.59.121🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
NSsarah.ns.cloudflare.com
A2606:4700:50::a29f:26da🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsarah.ns.cloudflare.com
A2803:f800:50::6ca2:c2da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsarah.ns.cloudflare.com
A2a06:98c1:50::ac40:22da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsarah.ns.cloudflare.com
A108.162.194.218🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsarah.ns.cloudflare.com
A162.159.38.218Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsarah.ns.cloudflare.com
A172.64.34.218🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsarah.ns.cloudflare.com
MXmail.vuc.vn ⭐
A2606:4700:3032::ac43:8a8c🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2606:4700:3037::6815:2e79🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A104.21.46.121Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.67.138.140🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
TXTv=spf1 a mx ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.46.121, 172.67.138.140
IPv6 hints2606:4700:3032::ac43:8a8c, 2606:4700:3037::6815:2e79
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com
SOAjack.ns.cloudflare.comdns@cloudflare.com serial=2401783071

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=2030704307

Subdomains

mail.vuc.vn

Same first word

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vuc.no

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uvc.cz
ucv.nl
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cuv.pl
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ucv.at
ucv.de

DNS History

7 records (7 active, 0 former)

NSjack.ns.cloudflare.comsarah.ns.cloudflare.comMXmail.vuc.vnA104.21.46.121172.67.138.1402606:4700:3032::ac43:8a8c2606:4700:3037::6815:2e79
●NSjack.ns.cloudflare.com2026-04-20 → 2026-04-26 · 2 obs
● 2026-04-20 08:50:50
● 2026-04-26 07:01:30
●NSsarah.ns.cloudflare.com2026-04-20 → 2026-04-26 · 2 obs
● 2026-04-20 08:50:50
● 2026-04-26 07:01:30
●MXmail.vuc.vn2026-04-20 → 2026-04-26 · 2 obs
● 2026-04-20 08:50:50
● 2026-04-26 07:01:30
●A104.21.46.1212026-04-20 → 2026-04-26 · 2 obs
● 2026-04-20 08:50:50
● 2026-04-26 07:01:30
●A172.67.138.1402026-04-20 → 2026-04-26 · 2 obs
● 2026-04-20 08:50:50
● 2026-04-26 07:01:30
●A2606:4700:3032::ac43:8a8c2026-04-20 → 2026-04-26 · 2 obs
● 2026-04-20 08:50:50
● 2026-04-26 07:01:30
●A2606:4700:3037::6815:2e792026-04-20 → 2026-04-26 · 2 obs
● 2026-04-20 08:50:50
● 2026-04-26 07:01:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...16 records
vuc.vnsarah.ns.cloudflare.com, jack.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.218

NS records: sarah.ns.cloudflare.com, jack.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vuc.vn (unsigned zone)

⏱️ Timing

Total: 1406ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.46.121, 172.67.138.140
AAAA22606:4700:3032::ac43:8a8c, 2606:4700:3037::6815:2e79
NS2jack.ns.cloudflare.com, sarah.ns.cloudflare.com
MX1mail.vuc.vn (pri: 10)
TXT1v=spf1 a mx ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jack.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (c.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...)

Analysis

Hierarchy

The parent of mail.vuc.vn is vuc.vn.

IP Addresses

vuc.vn maps to four IP numbers: 2606:4700:3032::ac43:8a8c, 2606:4700:3037::6815:2e79, 104.21.46.121 and 172.67.138.140.

Other host names, for instance chotam.net, focusmoduleenterprise.sbs, cetpapers.com, zimmermann-konstanz.de and seochecker.info share IP numbers with vuc.vn.

Name Servers

Two name servers jack.ns.cloudflare.com and sarah.ns.cloudflare.com handle delegation for vuc.vn.

vuc.vn uses the same name server setup as other domains, for example iquifib.org, xn--80aaeaihoi3cjs9f.xn--p1ai, litterio.com, ekatgid.ru and versicolores.ca.

vuc.vn partially shares name servers with other domains; examples include mgcdnxyz.cfd, guilhermegarcia.com.br, pokernox.com, montour-falls.com and nzg.co.uk.

these name servers are commonly used with the name servers sid.ns.cloudflare.com.

Host names with six IP numbers: jack.ns.cloudflare.com points to: 2606:4700:58::adf5:3b79, 2803:f800:50::6ca2:c179, 2a06:98c1:50::ac40:2179, 108.162.193.121, 172.64.33.121 and 173.245.59.121; sarah.ns.cloudflare.com points to: 2606:4700:50::a29f:26da, 2803:f800:50::6ca2:c2da, 2a06:98c1:50::ac40:22da, 108.162.194.218, 162.159.38.218 and 172.64.34.218.

Mail Servers

vuc.vn is handled by a single mail server, mail.vuc.vn.

Host mail.vuc.vn resolves to four IP numbers: 2606:4700:3032::ac43:8a8c, 2606:4700:3037::6815:2e79, 104.21.46.121 and 172.67.138.140.