rav.edu.vn - robtex.com

rav.edu.vn

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2046🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b844🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.70Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.184.68🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScoby.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b5c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A2803:f800:50::6ca2:c15c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcoby.ns.cloudflare.com
A2a06:98c1:50::ac40:215c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcoby.ns.cloudflare.com
A108.162.193.92🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A172.64.33.92🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
A173.245.59.92🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcoby.ns.cloudflare.com
NSkiki.ns.cloudflare.com
A2606:4700:50::adf5:3ab4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkiki.ns.cloudflare.com
A2803:f800:50::6ca2:c0b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkiki.ns.cloudflare.com
A2a06:98c1:50::ac40:20b4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkiki.ns.cloudflare.com
A108.162.192.180🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkiki.ns.cloudflare.com
A172.64.32.180🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkiki.ns.cloudflare.com
A173.245.58.180🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkiki.ns.cloudflare.com
MXmx2.zone.vn ⭐
A125.253.117.115🇻🇳 ODS-AS-VN125.253.117.0/24 ODSJSC-VN
PTRcontactvn.com
MXmx1.zone.vn(10)
A125.253.117.115🇻🇳 ODS-AS-VN125.253.117.0/24 ODSJSC-VN
PTRcontactvn.com
TXTv=spf1 ip4:125.253.117.115 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.70, 172.67.184.68
IPv6 hints2606:4700:3031::6815:2046, 2606:4700:3036::ac43:b844
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=169, name=cloudflare-ech.com
SOAcoby.ns.cloudflare.comdns@cloudflare.com serial=2402979728

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=2018565502

Same first word

rav.cz
rav.vic.gov.au
rav.org.tr
rav.fr
rav.co.jp
rav.ovh
rav.co.za
rav.org.za
rav.co
rav.de
rav.me
rav.com.vn
rav.lu
rav.hu
rav.fi
rav.cc
rav.ru
rav.it
rav.gallery
rav.com.mx
rav.edu.vn
rav.nu
rav.com.pl
rav.be
rav.es
rav.su
rav.eu
rav.tel
rav.jp
rav.net
rav.uk
rav.ro
rav.ch
rav.eti.br
rav.org.au
rav.biz
rav.cloud
rav.com
rav.to
rav.us
rav.is
rav.cl
rav.at
rav.se
rav.ca
rav.pl
rav.no
rav.org.rs
rav.cn
rav.nl
rav.od.ua

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var.tv
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vra.net
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var.cx
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vra.me
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rva.nsupdate.info

DNS History

8 records (8 active, 0 former)

NScoby.ns.cloudflare.comkiki.ns.cloudflare.comMXmx1.zone.vnmx2.zone.vnA104.21.32.70172.67.184.682606:4700:3031::6815:20462606:4700:3036::ac43:b844
●NScoby.ns.cloudflare.com2026-04-30 → 2026-05-13 · 2 obs
● 2026-04-30 23:39:58
● 2026-05-13 01:37:54
●NSkiki.ns.cloudflare.com2026-04-30 → 2026-05-13 · 2 obs
● 2026-04-30 23:39:58
● 2026-05-13 01:37:54
●MXmx1.zone.vn2026-04-30 → 2026-05-13 · 2 obs
● 2026-04-30 23:39:58
● 2026-05-13 01:37:54
●MXmx2.zone.vn2026-04-30 → 2026-05-13 · 2 obs
● 2026-04-30 23:39:58
● 2026-05-13 01:37:54
●A104.21.32.702026-04-30 → 2026-05-13 · 2 obs
● 2026-04-30 23:39:58
● 2026-05-13 01:37:54
●A172.67.184.682026-04-30 → 2026-05-13 · 2 obs
● 2026-04-30 23:39:58
● 2026-05-13 01:37:54
●A2606:4700:3031::6815:20462026-04-30 → 2026-05-13 · 2 obs
● 2026-04-30 23:39:58
● 2026-05-13 01:37:54
●A2606:4700:3036::ac43:b8442026-04-30 → 2026-05-13 · 2 obs
● 2026-04-30 23:39:58
● 2026-05-13 01:37:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
rav.edu.vncoby.ns.cloudflare.com, kiki.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.92

NS records: coby.ns.cloudflare.com, kiki.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 895ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.32.70, 172.67.184.68
AAAA22606:4700:3036::ac43:b844, 2606:4700:3031::6815:2046
NS2coby.ns.cloudflare.com, kiki.ns.cloudflare.com
MX2mx1.zone.vn (pri: 10), mx2.zone.vn (pri: 5)
TXT1v=spf1 ip4:125.253.117.115 ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1coby.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

rav.edu.vn points to four IP numbers: 2606:4700:3031::6815:2046, 2606:4700:3036::ac43:b844, 104.21.32.70 and 172.67.184.68.

Other host names including inventing.id, ausfile.com, keystonechicago.com, imaticalospalacios.com.cdn.cloudflare.net and www.projedata.shop share IP numbers with rav.edu.vn.

Name Servers

rav.edu.vn's delegation uses two name servers, coby.ns.cloudflare.com and kiki.ns.cloudflare.com.

rav.edu.vn shares the same name server setup as other domains, for example mattcones.com, europeancompanyformations.com, investorguaranteeclaim.com, ltbaygolf.com and alexandrademenkova.com.

rav.edu.vn at least partially shares name servers with other domains, including indeorindia.com, fortgg.com, strapengine.com, allensflorida.com and idsnext.space.

These name servers are often used together with walt.ns.cloudflare.com.

Host names with six IP numbers:

coby.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5c, 2803:f800:50::6ca2:c15c, 2a06:98c1:50::ac40:215c, 108.162.193.92, 172.64.33.92 and 173.245.59.92.

kiki.ns.cloudflare.com points to: 2606:4700:50::adf5:3ab4, 2803:f800:50::6ca2:c0b4, 2a06:98c1:50::ac40:20b4, 108.162.192.180, 172.64.32.180 and 173.245.58.180.

Mail Servers

rav.edu.vn is handled by two mail servers: mx1.zone.vn and mx2.zone.vn.

rav.edu.vn uses the same mail server setup as other domains, for example annamexim.com and vietfarmexim.com.

Host names with a single IP:

- mx1.zone.vn points to 125.253.117.115

- mx2.zone.vn points to 125.253.117.115

Host names that point to 125.253.117.115: mx1.zone.vn and mx2.zone.vn