tcpp.edu.vn - dns.ninja

tcpp.edu.vn

DNSSECπŸ”’ Signed (DS record present)
A2606:4700:3030::ac43:855fπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3031::6815:574πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.5.116Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.133.95πŸ‡ΊπŸ‡Έ Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSchad.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b52πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A2803:f800:50::6ca2:c152πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchad.ns.cloudflare.com
A2a06:98c1:50::ac40:2152πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRchad.ns.cloudflare.com
A108.162.193.82πŸ‡ΊπŸ‡Έ Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A172.64.33.82πŸ‡ΊπŸ‡Έ Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A173.245.59.82πŸ‡ΊπŸ‡Έ Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
NSdanica.ns.cloudflare.com
A2606:4700:50::a29f:26bbπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdanica.ns.cloudflare.com
A2803:f800:50::6ca2:c2bbπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdanica.ns.cloudflare.com
A2a06:98c1:50::ac40:22bbπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRdanica.ns.cloudflare.com
A108.162.194.187πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdanica.ns.cloudflare.com
A162.159.38.187Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdanica.ns.cloudflare.com
A172.64.34.187πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdanica.ns.cloudflare.com
MXmx1.larksuite.com ⭐
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx2.larksuite.com(5)
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx3.larksuite.com(10)
A18.139.153.173πŸ‡ΈπŸ‡¬ Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
A101.126.58.223πŸ‡¨πŸ‡³ VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,
A122.14.230.154πŸ‡¨πŸ‡³ CHINAMOBILE-CN122.14.224.0/20
TXTv=spf1 +include:spf.onlarksuite.com -all
TXTverification-code-site-App_lark=R3MMjkYm83F6S8Ta8kbs
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.5.116, 172.67.133.95
IPv6 hints2606:4700:3030::ac43:855f, 2606:4700:3031::6815:574
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=204, name=cloudflare-ech.com
SOAchad.ns.cloudflare.comdns@cloudflare.com serial=2406919439

edu.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=2018573704

Subdomains

Same first word

Similar names

DNS History

9 records (9 active, 0 former)

NSchad.ns.cloudflare.comdanica.ns.cloudflare.comMXmx1.larksuite.commx2.larksuite.commx3.larksuite.comA104.21.5.116172.67.133.952606:4700:3030::ac43:855f2606:4700:3031::6815:574
●NSchad.ns.cloudflare.com2026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54
●NSdanica.ns.cloudflare.com2026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54
●MXmx1.larksuite.com2026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54
●MXmx2.larksuite.com2026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54
●MXmx3.larksuite.com2026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54
●A104.21.5.1162026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54
●A172.67.133.952026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54
●A2606:4700:3030::ac43:855f2026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54
●A2606:4700:3031::6815:5742026-04-30 β†’ 2026-06-16 Β· 2 obs
● 2026-04-30 19:44:34
● 2026-06-16 10:59:54

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn, h.dns-servers.vn...-
tcpp.edu.vndanica.ns.cloudflare.com, chad.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.34.187

NS records: danica.ns.cloudflare.com, chad.ns.cloudflare.com

πŸ”’ DNSSEC Status

πŸ” Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1149ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2104.21.5.116, 172.67.133.95
AAAA22606:4700:3030::ac43:855f, 2606:4700:3031::6815:574
NS2chad.ns.cloudflare.com, danica.ns.cloudflare.com
MX3mx1.larksuite.com (pri: 1), mx3.larksuite.com (pri: 10)...
TXT2v=spf1 +include:spf.onlarksuite.com -all, verification-code-site-App_lark=R3MMjkYm
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1chad.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

tcpp.edu.vn has five child domains: mkpro.tcpp.edu.vn, media-mk.tcpp.edu.vn, ws-mk.tcpp.edu.vn, oj.tcpp.edu.vn and static-mk.tcpp.edu.vn.

IP Addresses

tcpp.edu.vn points to the four IP addresses 104.21.5.116, 172.67.133.95, 2606:4700:3030::ac43:855f and 2606:4700:3031::6815:574.

medicaltourismgreece.eu, feelipa.com, zchtgjtz.com plus two other host names have IP numbers in common with tcpp.edu.vn.

Name Servers

tcpp.edu.vn has two authoritative name servers β€” chad.ns.cloudflare.com and danica.ns.cloudflare.com.

The name server configuration of tcpp.edu.vn is shared with other domains, for instance maplestestdomain.com, heartsbox.com, pixmora.com and two others.

There is at least partial name server overlap between tcpp.edu.vn and other domains β€” aoalinks.com, vulcan-original.top, westerboe.no and two more among them.

The name servers adam.ns.cloudflare.com, cecelia.ns.cloudflare.com and monroe.ns.cloudflare.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

chad.ns.cloudflare.com points to 108.162.193.82, 172.64.33.82, 173.245.59.82 and 3 other IP addresses.

danica.ns.cloudflare.com points to 108.162.194.187, 162.159.38.187, 172.64.34.187 and 3 other IP addresses.

Mail Servers

Incoming mail for tcpp.edu.vn is delivered via three mail servers: mx1.larksuite.com, mx2.larksuite.com and mx3.larksuite.com.

At least some of the mail servers used by tcpp.edu.vn are shared with other domains: k(0x616e616c)coin.com, congnghe4.vn, g5v.net and two others among them.

Host names carrying three IP numbers:

mx3.larksuite.com resolves to 18.139.153.173, 101.126.58.223 and 122.14.230.154.

Host names resolving to a single IP address:

mx1.larksuite.com resolves to 18.139.153.173.

mx2.larksuite.com resolves to 18.139.153.173.

Three host names point to 18.139.153.173: mx3.larksuite.com, mx1.larksuite.com and mx2.larksuite.com.