tcpp.edu.vn - dns.ninja

tcpp.edu.vn

DNSSEC🔒 Signed (DS record present)
A2606:4700:3031::6815:574🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:855f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.116Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.95🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSchad.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b52🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A2803:f800:50::6ca2:c152🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchad.ns.cloudflare.com
A2a06:98c1:50::ac40:2152🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchad.ns.cloudflare.com
A108.162.193.82🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A172.64.33.82🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchad.ns.cloudflare.com
A173.245.59.82🇺🇸 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:26bb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdanica.ns.cloudflare.com
A2803:f800:50::6ca2:c2bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdanica.ns.cloudflare.com
A2a06:98c1:50::ac40:22bb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdanica.ns.cloudflare.com
A108.162.194.187🇺🇸 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
A172.64.34.187🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdanica.ns.cloudflare.com
MXmx1.larksuite.com ⭐
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx2.larksuite.com(5)
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
MXmx3.larksuite.com(10)
A18.139.153.173🇸🇬 Amazon18.138.0.0/15 EC2 SIN prefix
PTRec2-18-139-153-173.ap-southeast-1.compute.amazonaws.com
A101.126.58.223🇨🇳 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,
A122.14.230.154🇨🇳 CHINAMOBILE-CN122.14.224.0/20
TXTv=spf1 +include:spf.onlarksuite.com -all
TXTverification-code-site-App_lark=R3MMjkYm83F6S8Ta8kbs
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.116, 172.67.133.95
IPv6 hints2606:4700:3031::6815:574, 2606:4700:3035::ac43:855f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=65, name=cloudflare-ech.com
SOAchad.ns.cloudflare.comdns@cloudflare.com serial=2411066645

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=2018585184

Subdomains

mkpro.tcpp.edu.vn
media-mk.tcpp.edu.vn
ws-mk.tcpp.edu.vn
oj.tcpp.edu.vn
static-mk.tcpp.edu.vn

Same first word

tcpp.de
tcpp.com.tw
tcpp.org
tcpp.cn
tcpp.biz
tcpp.uk
tcpp.work
tcpp.fr
tcpp.com
tcpp.us
tcpp.edu.vn
tcpp.com.hk

Similar names

cppt.cz
pctp.ru
tppc.info
pptc.net
tpcp.org
ctpp.de
pptc.nl
tpcp.co.uk
ptcp.jp
cptp.org.py
pcpt.cc
tppc.com.tw
cptp.org
ctpp.com.br
pptc.co.jp
tpcp.kr
ptpc.pt
ptpc.de
pptc.de
cppt.eu
pptc.co.uk
pptc.co.th
ppct.us
tpcp.jp
pptc.org
tppc.org
cppt.net
ptpc.org
ptcp.de
pctp.blogspot.com
pctp.org
ctpp.fr
pptc.gc.ca
ppct.net
cptp.ca
cppt.org.uk
tppc.org.uk
pcpt.com
ptpc.pl
ptcp.org
pcpt.cn
ppct.biz
tppc.nl
tppc.com.au
ctpp.co.uk
pctp.de
ppct.fi
pptc.gov.ge
ptpc.cn
ptpc.us
ptpc.com
cppt.cc
cppt.fr
cppt.info
tppc.com.vn
cptp.info
pcpt.altervista.org
ctpp.ru
ppct.org
cppt.org
cptp.de
pcpt.org
cptp.eu
ptpc.co.jp
pptc.go.th
pctp.org.uy
ppct.world
ptpc.net
pctp.com.pl
cptp.org.cn
cptp.cn
pctp.net
cptp.ch
ppct.in
ctpp.com
pptc.ink
ppct.ca
cptp.at
ptcp.com
pptc.eu
pcpt.de
tppc.de
cppt.com
cptp.ru
pptc.biz
pctp.com
pptc.org.nz
pptc.nyc
tpcp.cn
ptpc.info
pctp.pl
tpcp.net
tppc.ca
ppct.cc
ctpp.cz
ppct.com
ptpc.ru
ppct.cn
ptpc.sakura.ne.jp
pptc.ac.th
tppc.us
ptcp.co.uk
cptp.pt
pptc.cc
pptc.com
pcpt.fr
ctpp.com.ua
ptcp.net
ppct.de
pcpt.nl
cptp.com

DNS History

10 records (9 active, 1 former)

NSchad.ns.cloudflare.comdanica.ns.cloudflare.comMXmx1.larksuite.commx2.larksuite.commx3.larksuite.comA104.21.5.116172.67.133.952606:4700:3031::6815:5742606:4700:3035::ac43:855f2606:4700:3030::ac43:855f
●NSchad.ns.cloudflare.com2026-04-30 → 2026-08-04 · 2 obs
● 2026-04-30 19:44:34
● 2026-08-04 11:04:52
●NSdanica.ns.cloudflare.com2026-04-30 → 2026-08-04 · 2 obs
● 2026-04-30 19:44:34
● 2026-08-04 11:04:52
●MXmx1.larksuite.com2026-04-30 → 2026-08-04 · 2 obs
● 2026-04-30 19:44:34
● 2026-08-04 11:04:52
●MXmx2.larksuite.com2026-04-30 → 2026-08-04 · 2 obs
● 2026-04-30 19:44:34
● 2026-08-04 11:04:52
●MXmx3.larksuite.com2026-04-30 → 2026-08-04 · 2 obs
● 2026-04-30 19:44:34
● 2026-08-04 11:04:52
●A104.21.5.1162026-04-30 → 2026-08-04 · 2 obs
● 2026-04-30 19:44:34
● 2026-08-04 11:04:52
●A172.67.133.952026-04-30 → 2026-08-04 · 2 obs
● 2026-04-30 19:44:34
● 2026-08-04 11:04:52
○A2606:4700:3030::ac43:855f2026-04-30 → 2026-04-30 · 3 obs
● 2026-04-30 19:44:34
○ 2026-07-21 06:55:22
○ 2026-08-04 11:04:52
●A2606:4700:3031::6815:5742026-04-30 → 2026-08-04 · 2 obs
● 2026-04-30 19:44:34
● 2026-08-04 11:04:52
●A2606:4700:3035::ac43:855f2026-07-21 → 2026-08-04 · 3 obs
○ 2026-04-30 19:44:34
● 2026-07-21 06:55:22
● 2026-08-04 11:04:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...16 records
tcpp.edu.vnchad.ns.cloudflare.com, danica.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.82

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 859ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.133.95, 104.21.5.116
AAAA22606:4700:3035::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

📌 Glue Records Collected

Total: 16

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

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, 2606:4700:3031::6815:574 and 2606:4700:3035::ac43:855f.

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

Name Servers

tcpp.edu.vn has two authoritative name servers — chad.ns.cloudflare.com and danica.ns.cloudflare.com.

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

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

The name servers adam.ns.cloudflare.com, cecelia.ns.cloudflare.com and betty.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.