study247.vn - robtex.com

study247.vn

DNSSEC⚠️ Not signed
A42.96.53.12🇻🇳 CMC-142.96.53.0/24 CMCTELECOM-VN
NSchase.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c9c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A2803:f800:50::6ca2:c39c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRchase.ns.cloudflare.com
A2a06:98c1:50::ac40:239c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRchase.ns.cloudflare.com
A108.162.195.156🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A162.159.44.156Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
A172.64.35.156🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRchase.ns.cloudflare.com
NSharmony.ns.cloudflare.com
A2606:4700:50::a29f:2692🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharmony.ns.cloudflare.com
A2803:f800:50::6ca2:c292🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRharmony.ns.cloudflare.com
A2a06:98c1:50::ac40:2292🇺🇸 Cloudflare2a06:98c1:50::/45
PTRharmony.ns.cloudflare.com
A108.162.194.146🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharmony.ns.cloudflare.com
A162.159.38.146Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharmony.ns.cloudflare.com
A172.64.34.146🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRharmony.ns.cloudflare.com
SOAchase.ns.cloudflare.comdns@cloudflare.com serial=2401544619

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=2030655032

Previously MX for

study247.vn

Same first word

study247.com
study247.online
study247.vn
study247.co.uk

DNS History

9 records (3 active, 6 former)

20192020202120222023202420252026NSchase.ns.cloudflare.comharmony.ns.cloudflare.comns1.zonedns.vnns2.zonedns.vnns3.zonedns.vnMXmail.study247.vnstudy247.vnA42.96.53.1227.118.30.8
●NSchase.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs
○ 2018-09-04 05:58:52
● 2026-04-10 04:09:00
● 2026-04-13 07:55:20
●NSharmony.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs
○ 2018-09-04 05:58:52
● 2026-04-10 04:09:00
● 2026-04-13 07:55:20
○NSns1.zonedns.vn2018-09-04 → 2018-09-04 · 3 obs
● 2018-09-04 05:58:52
○ 2026-04-10 04:09:00
○ 2026-04-13 07:55:20
○NSns2.zonedns.vn2018-09-04 → 2018-09-04 · 3 obs
● 2018-09-04 05:58:52
○ 2026-04-10 04:09:00
○ 2026-04-13 07:55:20
○NSns3.zonedns.vn2018-09-04 → 2018-09-04 · 3 obs
● 2018-09-04 05:58:52
○ 2026-04-10 04:09:00
○ 2026-04-13 07:55:20
○MXmail.study247.vn2018-09-04 → 2018-09-04 · 3 obs
● 2018-09-04 05:58:52
○ 2026-04-10 04:09:00
○ 2026-04-13 07:55:20
○MXstudy247.vn2018-09-04 → 2018-09-04 · 3 obs
● 2018-09-04 05:58:52
○ 2026-04-10 04:09:00
○ 2026-04-13 07:55:20
○A27.118.30.82018-09-04 → 2018-09-04 · 3 obs
● 2018-09-04 05:58:52
○ 2026-04-10 04:09:00
○ 2026-04-13 07:55:20
●A42.96.53.122026-04-10 → 2026-04-13 · 3 obs
○ 2018-09-04 05:58:52
● 2026-04-10 04:09:00
● 2026-04-13 07:55:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...16 records
study247.vnchase.ns.cloudflare.com, harmony.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.156

NS records: chase.ns.cloudflare.com, harmony.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study247.vn (unsigned zone)

⏱️ Timing

Total: 607ms | Queries: -

📄 Records

TypeCountSample Data
A142.96.53.12
NS2chase.ns.cloudflare.com, harmony.ns.cloudflare.com
SOA1chase.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 16

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

Analysis

IP Addresses

study247.vn points to a single IP: 42.96.53.12.

Other host names, for instance clevai.edu.vn, clev.ai and k8s-lb.clev.ai share IP numbers with study247.vn.

Name Servers

Two name servers chase.ns.cloudflare.com and harmony.ns.cloudflare.com handle delegation for study247.vn.

study247.vn uses the same name server setup as other domains, for example slotsmgm.com, huc99th.com, 777pg.com, slotmgm.com and unperba.ac.id.

study247.vn partially shares name servers with other domains; examples include westerngardennursery.com, shebeia.com, henrythejedi.com, oishiroma.com and greatinternetranking.com.

These name servers are commonly used with the name servers vick.ns.cloudflare.com, karsyn.ns.cloudflare.com, terin.ns.cloudflare.com, luciana.ns.cloudflare.com and joyce.ns.cloudflare.com.

Host names with six IP numbers: chase.ns.cloudflare.com points to: 2606:4700:58::a29f:2c9c, 2803:f800:50::6ca2:c39c, 2a06:98c1:50::ac40:239c, 108.162.195.156, 162.159.44.156 and 172.64.35.156; harmony.ns.cloudflare.com points to: 2606:4700:50::a29f:2692, 2803:f800:50::6ca2:c292, 2a06:98c1:50::ac40:2292, 108.162.194.146, 162.159.38.146 and 172.64.34.146.