junopen.edu.vn - robtex.com
junopen.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:81dd🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::6815:1c1🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.1.193Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.129.221🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | reza.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3ad9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0d9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20d9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 108.162.192.217🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 172.64.32.217🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| A | 173.245.58.217🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | reza.ns.cloudflare.com | ||||||
| NS | rick.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b8b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c18b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:218b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 108.162.193.139🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 172.64.33.139🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| A | 173.245.59.139🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rick.ns.cloudflare.com | ||||||
| TXT | google-site-verification=IF5y_FAv6OmyMiXSVRXcl5e6ocRfQOUaWi2nnd8EzA4 | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.1.193, 172.67.129.221 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:81dd, 2606:4700:3031::6815:1c1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=203, name=cloudflare-ech.com | ||||||
| SOA | reza.ns.cloudflare.comdns@cloudflare.com serial=2400083166 | ||||||
edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564779 | ||||||
Subdomains
mail.junopen.edu.vn |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSreza.ns.cloudflare.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:25:30
●NSrick.ns.cloudflare.com2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:25:30
●A104.21.1.1932026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:25:30
●A172.67.129.2212026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:25:30
●A2606:4700:3030::ac43:81dd2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:25:30
●A2606:4700:3031::6815:1c12026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:25:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| junopen.edu.vn | rick.ns.cloudflare.com, reza.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.139
NS records: rick.ns.cloudflare.com, reza.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for junopen.edu.vn (unsigned zone)
⏱️ Timing
Total: 523ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.1.193, 172.67.129.221 |
| AAAA | 2 | 2606:4700:3030::ac43:81dd, 2606:4700:3031::6815:1c1 |
| NS | 2 | reza.ns.cloudflare.com, rick.ns.cloudflare.com |
| TXT | 1 | google-site-verification=IF5y_FAv6OmyMiX |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | reza.ns.cloudflare.com dns.cloudflare.co |
Analysis
Hierarchy
The parent of mail.junopen.edu.vn is junopen.edu.vn.
IP Addresses
junopen.edu.vn maps to four IP numbers: 2606:4700:3030::ac43:81dd, 2606:4700:3031::6815:1c1, 104.21.1.193 and 172.67.129.221.
Other host names such as thealbanian.co.uk, group-31.com, bijuga.com, carla-jazz.de and 89895.tw share IPs with junopen.edu.vn.
Name Servers
Two name servers reza.ns.cloudflare.com and rick.ns.cloudflare.com handle the delegation for junopen.edu.vn.
junopen.edu.vn shares the same name server setup as other domains, for example villatillsalu.se, cryptomamiya.com, virksomhedslokaler.dk, kontorpladser.com and akommo.com.
junopen.edu.vn at least partially shares name servers with other domains, for example souteze.info, firstfarmersholding.com, nivekassociates.com, realcontentwriting.com and 772ylc.com.
These name servers are commonly used with heather.ns.cloudflare.com and ruben.ns.cloudflare.com and frank.ns.cloudflare.com.
Host names with six IP numbers:
reza.ns.cloudflare.com points to 2606:4700:50::adf5:3ad9, 2803:f800:50::6ca2:c0d9, 2a06:98c1:50::ac40:20d9, 108.162.192.217, 172.64.32.217 and 173.245.58.217.
rick.ns.cloudflare.com points to 2606:4700:58::adf5:3b8b, 2803:f800:50::6ca2:c18b, 2a06:98c1:50::ac40:218b, 108.162.193.139, 172.64.33.139 and 173.245.59.139.