iselab.edu.vn - robtex.com
iselab.edu.vn
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=2018565500 | ||||||
Subdomains
Same first word
Similar names
DNS History
16 records (9 active, 7 former)
●NSaspen.ns.cloudflare.com2026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
●NSclint.ns.cloudflare.com2026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
○NSdns1.hcm.fpt.vn2015-06-16 → 2016-04-18 · 4 obs
● 2016-04-18 20:44:04
○ 2017-01-05 09:59:46
○ 2026-05-12 20:18:58
○NSdns13.fpt.vn2015-06-16 → 2016-04-18 · 4 obs
● 2016-04-18 20:44:04
○ 2017-01-05 09:59:46
○ 2026-05-12 20:18:58
○NSdns14.fpt.vn2015-06-16 → 2016-04-18 · 4 obs
● 2016-04-18 20:44:04
○ 2017-01-05 09:59:46
○ 2026-05-12 20:18:58
○NSdns2.hcm.fpt.vn2015-06-16 → 2016-04-18 · 4 obs
● 2016-04-18 20:44:04
○ 2017-01-05 09:59:46
○ 2026-05-12 20:18:58
○MXmail.iselab.edu.vn2015-06-16 → 2016-04-18 · 4 obs
● 2016-04-18 20:44:04
○ 2017-01-05 09:59:46
○ 2026-05-12 20:18:58
●MXmx.zoho.com2026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
●MXmx2.zoho.com2026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
●MXmx3.zoho.com2026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
●A104.21.81.1642026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
●A172.67.145.72026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
○A203.119.8.1072017-01-05 → 2017-01-05 · 4 obs
● 2017-01-05 09:59:46
○ 2018-06-05 15:22:28
○ 2026-05-12 20:18:58
○A203.162.44.442015-06-16 → 2016-04-18 · 4 obs
● 2016-04-18 20:44:04
○ 2017-01-05 09:59:46
○ 2026-05-12 20:18:58
●A2606:4700:3030::ac43:91072026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
●A2606:4700:3033::6815:51a42026-04-30 → 2026-05-12 · 3 obs
● 2026-04-30 20:13:30
● 2026-05-12 20:18:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| iselab.edu.vn | clint.ns.cloudflare.com, aspen.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.109
NS records: clint.ns.cloudflare.com, aspen.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for iselab.edu.vn (unsigned zone)
⏱️ Timing
Total: 1574ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.145.7, 104.21.81.164 |
| AAAA | 2 | 2606:4700:3033::6815:51a4, 2606:4700:3030::ac43:9107 |
| NS | 2 | aspen.ns.cloudflare.com, clint.ns.cloudflare.com |
| MX | 3 | mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)... |
| TXT | 3 | v=spf1 include:zohomail.com ~all, zoho-verification=GM583FNFVV.zmverify.zo... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | aspen.ns.cloudflare.com dns.cloudflare.c |
Analysis
Hierarchy
iselab.edu.vn is a parent of lab1.iselab.edu.vn and www.iselab.edu.vn.
IP Addresses
iselab.edu.vn resolves to four IP numbers: 2606:4700:3030::ac43:9107, 2606:4700:3033::6815:51a4, 104.21.81.164 and 172.67.145.7.
Other host names such as hnzuohui.com, boards.fireden.net, thelabs.com.au, cleverservis.ru and hskffby.com share IPs with iselab.edu.vn.
Name Servers
iselab.edu.vn is delegated to two name servers: aspen.ns.cloudflare.com and clint.ns.cloudflare.com.
iselab.edu.vn shares the same name server setup as miprimerbitcoin.io, qiprime.com, 3sk.us, dakotastories.org and jadwalliga.com.
iselab.edu.vn at least partially shares name servers with other domains, for instance simeumw.com, coffeetown.store, home-et-bain.com, bbrjogo.com and 2ultimate.com.
These name servers are commonly used together with nash.ns.cloudflare.com, gordon.ns.cloudflare.com and wally.ns.cloudflare.com.
Host names with six IP numbers:
aspen.ns.cloudflare.com points to 2606:4700:50::a29f:266d, 2803:f800:50::6ca2:c26d, 2a06:98c1:50::ac40:226d, 108.162.194.109, 162.159.38.109 and 172.64.34.109.
clint.ns.cloudflare.com points to 2606:4700:58::adf5:3b5a, 2803:f800:50::6ca2:c15a, 2a06:98c1:50::ac40:215a, 108.162.193.90, 172.64.33.90 and 173.245.59.90.
Mail Servers
Three mail servers handle iselab.edu.vn: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.
iselab.edu.vn shares at least partially some mail servers with other domains, including mddata.net, construccionesyproyectosltda.com, cafedutheatre.nl, naurois.net and gem-environmental.com.
Two-IP host names: mx.zoho.com points to 136.143.191.44 and 204.141.33.44.
One-IP host names: mx2.zoho.com points to 204.141.33.44 and mx3.zoho.com points to 136.143.191.44.
Hosts pointing to 136.143.191.44: mx.zoho.com and mx3.zoho.com.
Hosts pointing to 204.141.33.44: mx.zoho.com and mx2.zoho.com.