app4edu.com - dns.ninja

`app4edu.com`

DNSSEC	⚠️ Not signed
A	2a0e:acc0::d22^{🇨🇿 WEDOS-GLOBAL2a0e:acc0::/48}
		PTR	`domain-default.wedos.global`
A	185.8.237.22^{🇨🇿 WEDOS-GLOBAL185.8.237.0/24 WEDOS Global}
NS	`ns.wedos.net` ⭐
		A	2600:9000:a419:5a54:19f7:a614:36fd:2825^{🇺🇸 Amazon2600:9000:a400::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	2600:9000:a705:25bb:c632:5e5a:dd9c:1e46^{🇺🇸 Amazon2600:9000:a700::/43}
			PTR	`ad9dd12915aba1261.dualstack.awsglobalaccelerator.com`
		A	75.2.92.86^{🇺🇸 Amazon75.2.80.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
		A	99.83.142.9^{🇺🇸 Amazon99.83.128.0/20}
			PTR	`ad9dd12915aba1261.awsglobalaccelerator.com`
NS	`ns.wedos.com`
		A	2a0e:acc0:1::cafe:cafe:cafe^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
		A	45.138.106.0^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.com`
			PTR	`wedos-global-ns-6n17kbh1.wedos.com`
			PTR	`wedos-global-ns-71hgaw0d.wedos.com`
			PTR	`wedos-global-ns-a375snkv.wedos.com`
			PTR	`wedos-global-ns-pog01mcx.wedos.com`
NS	`ns.wedos.cz`
		A	2a0e:acc0:1::caff:caff:cafb^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:1::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	2a0e:acc0:2::c:1:c1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	45.138.106.1^{🇨🇿 WEDOS-GLOBAL45.138.106.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
		A	185.8.238.1^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.cz`
			PTR	`wedos-global-ns-6n17kbh1.wedos.cz`
			PTR	`wedos-global-ns-71hgaw0d.wedos.cz`
			PTR	`wedos-global-ns-a375snkv.wedos.cz`
			PTR	`wedos-global-ns-pog01mcx.wedos.cz`
			PTR	`ns.wedos.lu`
NS	`ns.wedos.eu`
		A	2a0e:acc0:2::b:1:b1^{🇨🇿 WEDOS-GLOBAL2a0e:acc0:2::/48}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
		A	185.8.238.0^{🇨🇿 WEDOS-GLOBAL185.8.238.0/24 WEDOS Global}
			PTR	`ns.wedos.eu`
			PTR	`wedos-global-ns-6n17kbh1.wedos.eu`
			PTR	`wedos-global-ns-71hgaw0d.wedos.eu`
			PTR	`wedos-global-ns-a375snkv.wedos.eu`
			PTR	`wedos-global-ns-pog01mcx.wedos.eu`
SOA	`ns.wedos.net`wedos@wedos.com 2026-05-01 #1

`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.net`nstld@verisign-grs.com serial=1785484777

Previously MX for

app4edu.com

Subdomains

app1.app4edu.com

app2.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

● 2015-05-29 05:53:04
○ 2015-10-21 07:37:22
○ 2026-07-31 08:20:02

○NSapp2.app4edu.com2015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 05:53:04
○ 2015-10-21 07:37:22
○ 2026-07-31 08:20:02

●NSns.wedos.com2026-05-12 → 2026-07-31 · 3 obs

○ 2026-03-27 16:45:42
● 2026-05-12 01:20:36
● 2026-07-31 08:20:02

●NSns.wedos.cz2026-05-12 → 2026-07-31 · 3 obs

○ 2026-03-27 16:45:42
● 2026-05-12 01:20:36
● 2026-07-31 08:20:02

●NSns.wedos.eu2026-05-12 → 2026-07-31 · 3 obs

○ 2026-03-27 16:45:42
● 2026-05-12 01:20:36
● 2026-07-31 08:20:02

●NSns.wedos.net2026-05-12 → 2026-07-31 · 3 obs

○ 2026-03-27 16:45:42
● 2026-05-12 01:20:36
● 2026-07-31 08:20:02

○NSns13.hoststud.com2018-01-06 → 2018-01-06 · 4 obs

○ 2016-11-28 05:13:12
● 2018-01-06 21:15:42
○ 2026-03-27 16:45:42
○ 2026-07-31 08:20:02

○NSns14.hoststud.com2018-01-06 → 2018-01-06 · 4 obs

○ 2016-11-28 05:13:12
● 2018-01-06 21:15:42
○ 2026-03-27 16:45:42
○ 2026-07-31 08:20:02

○NSns17.hostguy.com2016-01-19 → 2016-01-19 · 4 obs

○ 2015-10-21 07:37:22
● 2016-01-19 01:46:06
○ 2016-04-19 23:10:06
○ 2026-07-31 08:20:02

○NSns18.hostguy.com2016-01-19 → 2016-01-19 · 4 obs

○ 2015-10-21 07:37:22
● 2016-01-19 01:46:06
○ 2016-04-19 23:10:06
○ 2026-07-31 08:20:02

○NSns3.wooservers.com2015-10-21 → 2015-10-21 · 4 obs

○ 2015-05-29 05:53:04
● 2015-10-21 07:37:22
○ 2016-01-19 01:46:06
○ 2026-07-31 08:20:02

○NSns4.wooservers.com2015-10-21 → 2015-10-21 · 4 obs

○ 2015-05-29 05:53:04
● 2015-10-21 07:37:22
○ 2016-01-19 01:46:06
○ 2026-07-31 08:20:02

○NSns71.hostguy.com2016-04-19 → 2016-11-28 · 5 obs

○ 2016-01-19 01:46:06
● 2016-04-19 23:10:06
● 2016-11-28 05:13:12
○ 2018-01-06 21:15:42
○ 2026-07-31 08:20:02

○NSns72.hostguy.com2016-04-19 → 2016-11-28 · 5 obs

○ 2016-01-19 01:46:06
● 2016-04-19 23:10:06
● 2016-11-28 05:13:12
○ 2018-01-06 21:15:42
○ 2026-07-31 08:20:02

○MXapp4edu.com2015-05-29 → 2018-01-06 · 4 obs

● 2015-05-29 05:53:04
● 2018-01-06 21:15:42
○ 2026-03-27 16:45:42
○ 2026-07-31 08:20:02

○A103.231.41.1272015-05-29 → 2015-05-29 · 3 obs

● 2015-05-29 05:53:04
○ 2015-10-21 07:37:22
○ 2026-07-31 08:20:02

○A104.156.51.2392016-01-19 → 2016-01-19 · 4 obs

○ 2015-10-21 07:37:22
● 2016-01-19 01:46:06
○ 2016-04-19 23:10:06
○ 2026-07-31 08:20:02

○A148.251.83.1342016-04-19 → 2016-11-28 · 5 obs

○ 2016-01-19 01:46:06
● 2016-04-19 23:10:06
● 2016-11-28 05:13:12
○ 2018-01-06 21:15:42
○ 2026-07-31 08:20:02

●A185.8.237.222026-05-12 → 2026-07-31 · 3 obs

○ 2026-03-27 16:45:42
● 2026-05-12 01:20:36
● 2026-07-31 08:20:02

○A23.229.74.2312015-10-21 → 2015-10-21 · 4 obs

○ 2015-05-29 05:53:04
● 2015-10-21 07:37:22
○ 2016-01-19 01:46:06
○ 2026-07-31 08:20:02

●A2a0e:acc0::d222026-05-12 → 2026-07-31 · 3 obs

○ 2026-03-27 16:45:42
● 2026-05-12 01:20:36
● 2026-07-31 08:20:02

○A88.99.193.1712018-01-06 → 2018-01-06 · 4 obs

○ 2016-11-28 05:13:12
● 2018-01-06 21:15:42
○ 2026-03-27 16:45:42
○ 2026-07-31 08:20:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net...	-
app4edu.com	ns.wedos.net, ns.wedos.cz, ns.wedos.eu, ns.wedos.com	2 records

✅ Authoritative Response

Server:75.2.92.86

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: 433ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.8.237.22`
AAAA	1	`2a0e:acc0::d22`
NS	4	`ns.wedos.cz, ns.wedos.eu...`
SOA	1	`ns.wedos.net wedos.wedos.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.wedos.com, ns.wedos.com)

Analysis

Hierarchy

app4edu.com is the parent domain of app1.app4edu.com and app2.app4edu.com.

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 directs traffic to 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.

ns.wedos.eu directs traffic to 185.8.238.0 and 2a0e:acc0:2::b:1:b1.