`rcon.cz`

DNSSEC	🔒 Signed (DS record present)
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.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`
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`
MX	`28439624fb279ac4.mx2.emailprofi.seznam.cz` ⭐
		A	2a02:598:2::1146^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
		A	77.75.77.146^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx2.emailprofi.seznam.cz`
MX	`28439624fb279ac4.mx1.emailprofi.seznam.cz`⁽²⁰⁾
		A	2a02:598:2::1056^{🇨🇿 SEZNAM-CZ2a02:598:2::/48}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
		A	77.75.77.56^{🇨🇿 SEZNAM-CZ77.75.76.0/23 SEZNAM - III}
			PTR	`wildcard.mx1.emailprofi.seznam.cz`
SOA	`ns.wedos.com`wedos@wedos.com 2026-04-09 #2

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1781563637

Same first word

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DNS History

14 records (8 active, 6 former)

●NSns.wedos.com2026-06-13 → 2026-06-15 · 3 obs

○ 2021-01-14 18:36:24
● 2026-06-13 06:39:30
● 2026-06-15 22:53:34

●NSns.wedos.cz2026-06-13 → 2026-06-15 · 3 obs

○ 2021-01-14 18:36:24
● 2026-06-13 06:39:30
● 2026-06-15 22:53:34

●NSns.wedos.eu2026-06-13 → 2026-06-15 · 3 obs

○ 2021-01-14 18:36:24
● 2026-06-13 06:39:30
● 2026-06-15 22:53:34

●NSns.wedos.net2026-06-13 → 2026-06-15 · 3 obs

○ 2021-01-14 18:36:24
● 2026-06-13 06:39:30
● 2026-06-15 22:53:34

○NSns1.ignum.com2015-06-16 → 2021-01-14 · 4 obs

● 2015-06-16 16:56:46
● 2021-01-14 18:36:24
○ 2026-06-13 06:39:30
○ 2026-06-15 22:53:34

○NSns2.ignum.cz2015-06-16 → 2021-01-14 · 4 obs

● 2015-06-16 16:56:46
● 2021-01-14 18:36:24
○ 2026-06-13 06:39:30
○ 2026-06-15 22:53:34

●MX28439624fb279ac4.mx1.emailprofi.seznam.cz2026-06-13 → 2026-06-15 · 3 obs

○ 2021-01-14 18:36:24
● 2026-06-13 06:39:30
● 2026-06-15 22:53:34

●MX28439624fb279ac4.mx2.emailprofi.seznam.cz2026-06-13 → 2026-06-15 · 3 obs

○ 2021-01-14 18:36:24
● 2026-06-13 06:39:30
● 2026-06-15 22:53:34

○MXmail12.ignum.cz2015-06-16 → 2021-01-14 · 4 obs

● 2015-06-16 16:56:46
● 2021-01-14 18:36:24
○ 2026-06-13 06:39:30
○ 2026-06-15 22:53:34

○MXmail2.ignum.cz2015-06-16 → 2021-01-14 · 4 obs

● 2015-06-16 16:56:46
● 2021-01-14 18:36:24
○ 2026-06-13 06:39:30
○ 2026-06-15 22:53:34

●A185.8.237.222026-06-13 → 2026-06-15 · 3 obs

○ 2021-01-14 18:36:24
● 2026-06-13 06:39:30
● 2026-06-15 22:53:34

●A2a0e:acc0::d222026-06-13 → 2026-06-15 · 3 obs

○ 2021-01-14 18:36:24
● 2026-06-13 06:39:30
● 2026-06-15 22:53:34

○A81.31.47.122016-12-26 → 2021-01-14 · 5 obs

○ 2016-07-30 10:07:02
● 2016-12-26 02:39:18
● 2021-01-14 18:36:24
○ 2026-06-13 06:39:30
○ 2026-06-15 22:53:34

○A89.185.245.1972015-06-16 → 2016-07-30 · 4 obs

● 2015-06-16 16:56:46
● 2016-07-30 10:07:02
○ 2016-12-26 02:39:18
○ 2026-06-15 22:53:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
rcon.cz	ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net	4 records

✅ Authoritative Response

Server:45.138.106.1

NS records: ns.wedos.cz, ns.wedos.eu, ns.wedos.com, ns.wedos.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1054ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.8.237.22`
AAAA	1	`2a0e:acc0::d22`
NS	4	`ns.wedos.eu, ns.wedos.com...`
MX	2	`28439624fb279ac4.mx1.emailprofi.seznam.c, 28439624fb279ac4.mx2.emailprofi.seznam.c`
SOA	1	`ns.wedos.com wedos.wedos.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns.wedos.cz, ns.wedos.cz, ns.wedos.cz...)

Analysis

IP Addresses

rcon.cz has two IP addresses: 185.8.237.22 and 2a0e:acc0::d22

Additional host names — www.logopediehrou.cz, tedos.cz, mx-1.spub.cz and two others — share IP numbers with rcon.cz.

Name Servers

rcon.cz has four authoritative name servers: ns.wedos.com, ns.wedos.cz, ns.wedos.eu and ns.wedos.net.

The name servers of rcon.cz overlap at least partially with those of other domains — among them raspi.cz, dragonball.cz, abundia.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 resolves to 45.138.106.0 and 2a0e:acc0:1::cafe:cafe:cafe.

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