stems.edu.vn - robtex.com

stems.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:3d59🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:cffb🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.89Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.207.251🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSterry.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A2803:f800:50::6ca2:c1ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRterry.ns.cloudflare.com
A2a06:98c1:50::ac40:21ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRterry.ns.cloudflare.com
A108.162.193.237🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A172.64.33.237🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
A173.245.59.237🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRterry.ns.cloudflare.com
NStia.ns.cloudflare.com
A2606:4700:50::adf5:3ae5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A2803:f800:50::6ca2:c0e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtia.ns.cloudflare.com
A2a06:98c1:50::ac40:20e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtia.ns.cloudflare.com
A108.162.192.229🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A172.64.32.229🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
A173.245.58.229🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtia.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.89, 172.67.207.251
IPv6 hints2606:4700:3034::6815:3d59, 2606:4700:3036::ac43:cffb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=109, name=cloudflare-ech.com
SOAterry.ns.cloudflare.comdns@cloudflare.com serial=2402899635

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=2018565093

Same first word

stems.online
stems.co
stems.group
stems.edu.vn
stems.ca
stems.ie
stems.us
stems.net
stems.me
stems.com.au
stems.academy
stems.shop
stems.be
stems.tips
stems.com
stems.es
stems.app
stems.cn
stems.community

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DNS History

6 records (6 active, 0 former)

NSterry.ns.cloudflare.comtia.ns.cloudflare.comA104.21.61.89172.67.207.2512606:4700:3034::6815:3d592606:4700:3036::ac43:cffb
●NSterry.ns.cloudflare.com2026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:40:54
● 2026-05-11 13:05:18
●NStia.ns.cloudflare.com2026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:40:54
● 2026-05-11 13:05:18
●A104.21.61.892026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:40:54
● 2026-05-11 13:05:18
●A172.67.207.2512026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:40:54
● 2026-05-11 13:05:18
●A2606:4700:3034::6815:3d592026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:40:54
● 2026-05-11 13:05:18
●A2606:4700:3036::ac43:cffb2026-04-30 → 2026-05-11 · 2 obs
● 2026-04-30 19:40:54
● 2026-05-11 13:05:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...-
stems.edu.vnterry.ns.cloudflare.com, tia.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.237

NS records: terry.ns.cloudflare.com, tia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stems.edu.vn (unsigned zone)

⏱️ Timing

Total: 1062ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.61.89, 172.67.207.251
AAAA22606:4700:3034::6815:3d59, 2606:4700:3036::ac43:cffb
NS2terry.ns.cloudflare.com, tia.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1terry.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

stems.edu.vn maps to four IP numbers: 2606:4700:3034::6815:3d59, 2606:4700:3036::ac43:cffb, 104.21.61.89 and 172.67.207.251.

Other host names, for instance paymentposhmark.com, czxlcy.com, baso3.basooo4.workers.dev, xdbcy.com and bright-22step.digital share IP numbers with stems.edu.vn.

Name Servers

Two name servers terry.ns.cloudflare.com and tia.ns.cloudflare.com are delegated to stems.edu.vn.

stems.edu.vn uses the same name server configuration as other domains, such as bcmalhas.com.br, niffindia.com, randomfox.ca, davereichertforcongress.com and papermd.com.

stems.edu.vn at least partially shares name servers with other domains such as exkute.com, zhaohuaxinli.com, teiealduee.fit, mlpt.com and stillriverloom.xyz.

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

Host names with six IP numbers: Host name terry.ns.cloudflare.com points to 2606:4700:58::adf5:3bed, 2803:f800:50::6ca2:c1ed, 2a06:98c1:50::ac40:21ed, 108.162.193.237, 172.64.33.237 and 173.245.59.237; host name tia.ns.cloudflare.com points to 2606:4700:50::adf5:3ae5, 2803:f800:50::6ca2:c0e5, 2a06:98c1:50::ac40:20e5, 108.162.192.229, 172.64.32.229 and 173.245.58.229.