proai.vn - robtex.com
proai.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | harmony.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2692🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harmony.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c292🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | harmony.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2292🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | harmony.ns.cloudflare.com | ||||||
| A | 108.162.194.146🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harmony.ns.cloudflare.com | ||||||
| A | 162.159.38.146Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harmony.ns.cloudflare.com | ||||||
| A | 172.64.34.146🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | harmony.ns.cloudflare.com | ||||||
| NS | koa.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cf2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3f2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23f2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 108.162.195.242🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 162.159.44.242Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| A | 172.64.35.242🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | koa.ns.cloudflare.com | ||||||
| MX | pro66.emailserver.vn ⭐ | ||||||
| A | 103.15.48.66🇻🇳 ODS-AS-VN103.15.48.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | pro66.emailserver.vn | ||||||
| TXT | v=spf1 mx include:emailserver.vn include:spf.protection.outlook.com -all | ||||||
| SOA | harmony.ns.cloudflare.comdns@cloudflare.com serial=2403953720 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030768630 | ||||||
Subdomains
page.proai.vn |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
●NSharmony.ns.cloudflare.com2026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:16:36
●NSkoa.ns.cloudflare.com2026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:16:36
●MXpro66.emailserver.vn2026-05-13 → 2026-05-13 · 2 obs
● 2026-05-13 15:16:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| proai.vn | koa.ns.cloudflare.com, harmony.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.242
NS records: koa.ns.cloudflare.com, harmony.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for proai.vn (unsigned zone)
⏱️ Timing
Total: 482ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | harmony.ns.cloudflare.com, koa.ns.cloudflare.com |
| MX | 1 | pro66.emailserver.vn (pri: 0) |
| TXT | 1 | v=spf1 mx include:emailserver.vn include |
| SOA | 1 | harmony.ns.cloudflare.com dns.cloudflare |
Analysis
Hierarchy
The parent of page.proai.vn is proai.vn.
Name Servers
Two name servers harmony.ns.cloudflare.com and koa.ns.cloudflare.com handle the delegation for proai.vn.
proai.vn shares the same name server setup as other domains, for instance techsag.com, dimensionsa.cl, dimen.cl, universalcollege.org and pershina-to.ru.
proai.vn at least partially shares name servers with other domains, for instance nbellocam.me, lifetravel.com, ywboston.org, yugechudian.com and lloydfrance.fr.
These name servers are commonly used alongside vick.ns.cloudflare.com, terin.ns.cloudflare.com and buck.ns.cloudflare.com.
Six IP addresses per host:
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; koa.ns.cloudflare.com points to 2606:4700:58::a29f:2cf2, 2803:f800:50::6ca2:c3f2, 2a06:98c1:50::ac40:23f2, 108.162.195.242, 162.159.44.242 and 172.64.35.242
Mail Servers
proai.vn is handled by a single mail server, pro66.emailserver.vn.
proai.vn uses the same mail server setup as other domains, for instance 24hcare.com.vn, gdservice.com.vn, gatatuongvy.vn, skoda-binhduong.vn and quangdieu.vn.
proai.vn shares at least some mail servers with other domains, including tvcvietnam.vn and asiatech.com.vn.
The host name pro66.emailserver.vn points to IP 103.15.48.66.