spec.edu.vn - robtex.com

spec.edu.vn

DNSSEC⚠️ Not signed
A210.245.52.119🇻🇳 FPT-AS-AP210.245.52.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTR210-245-52-fiber-net-static-ip.fpt.vn
NSjoan.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3aad🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A2803:f800:50::6ca2:c0ad🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjoan.ns.cloudflare.com
A2a06:98c1:50::ac40:20ad🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjoan.ns.cloudflare.com
A108.162.192.173🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A172.64.32.173🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
A173.245.58.173🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjoan.ns.cloudflare.com
NSwoz.ns.cloudflare.com
A2606:4700:58::adf5:3b96🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A2803:f800:50::6ca2:c196🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwoz.ns.cloudflare.com
A2a06:98c1:50::ac40:2196🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwoz.ns.cloudflare.com
A108.162.193.150🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A172.64.33.150🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A173.245.59.150🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
SOAjoan.ns.cloudflare.comdns@cloudflare.com serial=2401620061

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=2018564895

Subdomains

ftp.spec.edu.vn
www.spec.edu.vn

Same first word

spec.news
spec.help
spec.bar
spec.ee
spec.academy
spec.dk
spec.fm
spec.technology
spec.com.tw
spec.pl
spec.co
spec.pro
spec.in
spec.systems
spec.org.vn
spec.fi
spec.si
spec.co.in
spec.edu.in
spec.engineering
spec.waw.pl
spec.education
spec.co.za
spec.ltd
spec.construction
spec.ninja
spec.krakow.pl
spec.nl
spec.guru
spec.info
spec.ir
spec.md
spec.eng.br
spec.house
spec.lv
spec.com
spec.org.sg
spec.uz
spec.direct
spec.co.th
spec.solutions
spec.name
spec.be
spec.com.ng
spec.finance
spec.services
spec.com.pk
spec.com.br
spec.university
spec.ht
spec.expert
spec.coop
spec.net.au
spec.cl
spec.net
spec.me
spec.ws
spec.gg
spec.tv
spec.com.au
spec.co.uk
spec.ch
spec.jp.net
spec.agency
spec.org.nz
spec.ab.ca
spec.tips
spec.equipment
spec.lt
spec.com.ru
spec.edu.vn
spec.su
spec.vn.ua
spec.vn
spec.at
spec.org
spec.land
spec.es
spec.ru
spec.cc
spec.se
spec.ed.jp
spec.biz
spec.center
spec.qc.ca
spec.to
spec.bc.ca
spec.cat
spec.training

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sepc.org.es
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cspe.hu
pcse.pl
scpe.com
psec.net
ecps.eu
pcse.net
psec.se
cpse.com
cpse.pt
csep.org
ecsp.nl
epsc.be
ceps.cat
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scep.cn
spce.cl
ceps.ch
psec.edu.hk
escp.de
sepc.org.au
sepc.com
secp.es
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pesc.net
cpes.org.uk

DNS History

3 records (3 active, 0 former)

NSjoan.ns.cloudflare.comwoz.ns.cloudflare.comA210.245.52.119
●NSjoan.ns.cloudflare.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 02:20:06
● 2026-05-10 21:58:48
●NSwoz.ns.cloudflare.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 02:20:06
● 2026-05-10 21:58:48
●A210.245.52.1192026-05-01 → 2026-05-10 · 2 obs
● 2026-05-01 02:20:06
● 2026-05-10 21:58:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
spec.edu.vnwoz.ns.cloudflare.com, joan.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.150

NS records: woz.ns.cloudflare.com, joan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 995ms | Queries: -

📄 Records

TypeCountSample Data
A1210.245.52.119
NS2joan.ns.cloudflare.com, woz.ns.cloudflare.com
SOA1joan.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

spec.edu.vn is a parent of ftp.spec.edu.vn and www.spec.edu.vn.

IP Addresses

spec.edu.vn resolves to one IP number: 210.245.52.119.

Other host names for instance tuvantuyensinh.huce.edu.vn and iic.huce.edu.vn share IP numbers with spec.edu.vn.

Name Servers

spec.edu.vn's delegation uses two name servers: joan.ns.cloudflare.com and woz.ns.cloudflare.com.

spec.edu.vn uses the same name server setup as other domains, such as dahibetgirisi.com, cardcorp.co.uk, izumi.edu.vn, memart.vn and nsfw(0x6e756465)s.com.

spec.edu.vn at least partially shares name servers with other domains, including appslens.com, sorklabs.com, elevonpalace.co.uk, 2dm.dk and bearvideo.ru.

These name servers are often used with khalid.ns.cloudflare.com and cameron.ns.cloudflare.com.

Host names with six IP numbers:

joan.ns.cloudflare.com points to 2606:4700:50::adf5:3aad, 2803:f800:50::6ca2:c0ad, 2a06:98c1:50::ac40:20ad, 108.162.192.173, 172.64.32.173 and 173.245.58.173.

woz.ns.cloudflare.com points to 2606:4700:58::adf5:3b96, 2803:f800:50::6ca2:c196, 2a06:98c1:50::ac40:2196, 108.162.193.150, 172.64.33.150 and 173.245.59.150.