app4edu.com - robtex.com
app4edu.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784452717 | ||||||
Previously MX for
app4edu.com |
Same first word
app4edu.com |
DNS History
22 records (6 active, 16 former)
○NSapp1.app4edu.com2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-21 07:37:22
○ 2026-07-19 09:20:14
○NSapp2.app4edu.com2015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-21 07:37:22
○ 2026-07-19 09:20:14
●NSns.wedos.com2026-05-12 → 2026-07-19 · 3 obs
● 2026-05-12 01:20:36
● 2026-07-19 09:20:14
●NSns.wedos.cz2026-05-12 → 2026-07-19 · 3 obs
● 2026-05-12 01:20:36
● 2026-07-19 09:20:14
●NSns.wedos.eu2026-05-12 → 2026-07-19 · 3 obs
● 2026-05-12 01:20:36
● 2026-07-19 09:20:14
●NSns.wedos.net2026-05-12 → 2026-07-19 · 3 obs
● 2026-05-12 01:20:36
● 2026-07-19 09:20:14
○NSns13.hoststud.com2018-01-06 → 2018-01-06 · 4 obs
● 2018-01-06 21:15:42
○ 2026-03-27 16:45:42
○ 2026-07-19 09:20:14
○NSns14.hoststud.com2018-01-06 → 2018-01-06 · 4 obs
● 2018-01-06 21:15:42
○ 2026-03-27 16:45:42
○ 2026-07-19 09:20:14
○NSns17.hostguy.com2016-01-19 → 2016-01-19 · 4 obs
● 2016-01-19 01:46:06
○ 2016-04-19 23:10:06
○ 2026-07-19 09:20:14
○NSns18.hostguy.com2016-01-19 → 2016-01-19 · 4 obs
● 2016-01-19 01:46:06
○ 2016-04-19 23:10:06
○ 2026-07-19 09:20:14
○NSns3.wooservers.com2015-10-21 → 2015-10-21 · 4 obs
● 2015-10-21 07:37:22
○ 2016-01-19 01:46:06
○ 2026-07-19 09:20:14
○NSns4.wooservers.com2015-10-21 → 2015-10-21 · 4 obs
● 2015-10-21 07:37:22
○ 2016-01-19 01:46:06
○ 2026-07-19 09:20:14
○NSns71.hostguy.com2016-04-19 → 2016-11-28 · 5 obs
● 2016-04-19 23:10:06
● 2016-11-28 05:13:12
○ 2018-01-06 21:15:42
○ 2026-07-19 09:20:14
○NSns72.hostguy.com2016-04-19 → 2016-11-28 · 5 obs
● 2016-04-19 23:10:06
● 2016-11-28 05:13:12
○ 2018-01-06 21:15:42
○ 2026-07-19 09:20:14
○MXapp4edu.com2015-05-29 → 2018-01-06 · 4 obs
● 2018-01-06 21:15:42
○ 2026-03-27 16:45:42
○ 2026-07-19 09:20:14
○A103.231.41.1272015-05-29 → 2015-05-29 · 3 obs
○ 2015-10-21 07:37:22
○ 2026-07-19 09:20:14
○A104.156.51.2392016-01-19 → 2016-01-19 · 4 obs
● 2016-01-19 01:46:06
○ 2016-04-19 23:10:06
○ 2026-07-19 09:20:14
○A148.251.83.1342016-04-19 → 2016-11-28 · 5 obs
● 2016-04-19 23:10:06
● 2016-11-28 05:13:12
○ 2018-01-06 21:15:42
○ 2026-07-19 09:20:14
●A185.8.237.222026-05-12 → 2026-07-19 · 3 obs
● 2026-05-12 01:20:36
● 2026-07-19 09:20:14
○A23.229.74.2312015-10-21 → 2015-10-21 · 4 obs
● 2015-10-21 07:37:22
○ 2016-01-19 01:46:06
○ 2026-07-19 09:20:14
●A2a0e:acc0::d222026-05-12 → 2026-07-19 · 3 obs
● 2026-05-12 01:20:36
● 2026-07-19 09:20:14
○A88.99.193.1712018-01-06 → 2018-01-06 · 4 obs
● 2018-01-06 21:15:42
○ 2026-03-27 16:45:42
○ 2026-07-19 09:20:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| app4edu.com | ns.wedos.net, ns.wedos.cz, ns.wedos.eu, ns.wedos.com | 2 records |
✅ Authoritative Response
Server:185.8.238.1
NS records: ns.wedos.net, ns.wedos.cz, ns.wedos.eu, ns.wedos.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for app4edu.com (unsigned zone)
⏱️ Timing
Total: 675ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.8.237.22 |
| AAAA | 1 | 2a0e:acc0::d22 |
| NS | 4 | ns.wedos.com, ns.wedos.net... |
| SOA | 1 | ns.wedos.net wedos.wedos.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.wedos.com, ns.wedos.com)
Analysis
IP Addresses
app4edu.com has two IP addresses: 185.8.237.22 and 2a0e:acc0::d22
Additional host names — symbian.cz, mail.foliatech.cz, fakit.cz and two others — share IP numbers with app4edu.com.
Name Servers
app4edu.com has four authoritative name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.
The name servers of app4edu.com overlap at least partially with those of other domains — among them qprof.cz, unitedislands.cz, inzercenemovitosti.cz and two more.
Host names resolving to four IP addresses:
ns.wedos.cz resolves to 45.138.106.1, 185.8.238.1, 2a0e:acc0:1::caff:caff:cafb and 2a0e:acc0:2::c:1:c1.
ns.wedos.net resolves to 75.2.92.86, 99.83.142.9, 2600:9000:a419:5a54:19f7:a614:36fd:2825 and 2600:9000:a705:25bb:c632:5e5a:dd9c:1e46.
Host names with two IP numbers:
ns.wedos.com has two IP addresses: 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.
ns.wedos.eu has two IP addresses: 185.8.238.0 and 2a0e:acc0:2::b:1:b1.