`ddmcheb.cz`

DNSSEC	⚠️ Not signed
A	88.86.118.82^{🇨🇿 SuperNetwork88.86.96.0/19 s.r.o.}
		PTR	`unn-88-86-118-82.superhosting.cz`
NS	`ns1.one.cz` ⭐
		A	2001:470:6f:864::1^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns1.one.cz`
		A	46.149.113.151^{🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o.}
			PTR	`ns1.one.cz`
NS	`ns2.one.cz`
		A	193.85.20.140^{🇨🇿 TMOBILE-CZ193.85.0.0/16 T-Mobile Czech Republic a.s.}
			PTR	`ns2.one.cz`
NS	`ns3.one.cz`
		A	2001:470:6f:30f::1:1^{🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA}
			PTR	`ns3.one.cz`
		A	46.149.113.187^{🇨🇿 ALFSERVIS-AS46.149.112.0/20 Route object 1 AlfServis s.r.o.}
			PTR	`ns3.one.cz`
MX	`ddmcheb-cz.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::f^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00507.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::9^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr04cu00801.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.8^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du0pr03cu00100.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com ip4:88.86.118.81 -all`
SOA	`ns1.one.cz`one@one.cz 2024-02-08 #84

`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=1778375834

Same first word

ddmcheb.cz

DNS History

7 records (5 active, 2 former)

●NSns1.one.cz2015-08-20 → 2026-05-10 · 2 obs

● 2015-08-20 14:29:06
● 2026-05-10 01:27:04

●NSns2.one.cz2015-08-20 → 2026-05-10 · 2 obs

● 2015-08-20 14:29:06
● 2026-05-10 01:27:04

●NSns3.one.cz2026-03-08 → 2026-05-10 · 3 obs

○ 2015-08-20 14:29:06
● 2026-03-08 00:05:44
● 2026-05-10 01:27:04

●MXddmcheb-cz.mail.protection.outlook.com2026-03-08 → 2026-05-10 · 3 obs

○ 2020-01-06 11:12:16
● 2026-03-08 00:05:44
● 2026-05-10 01:27:04

○MXpanda.bk.cz2015-08-20 → 2020-01-06 · 4 obs

● 2015-08-20 14:29:06
● 2020-01-06 11:12:16
○ 2026-03-08 00:05:44
○ 2026-05-10 01:27:04

○A46.149.113.1452015-08-20 → 2020-01-06 · 4 obs

● 2015-08-20 14:29:06
● 2020-01-06 11:12:16
○ 2026-03-08 00:05:44
○ 2026-05-10 01:27:04

●A88.86.118.822026-03-08 → 2026-05-10 · 3 obs

○ 2020-01-06 11:12:16
● 2026-03-08 00:05:44
● 2026-05-10 01:27:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
ddmcheb.cz	ns1.one.cz, ns2.one.cz, ns3.one.cz	5 records

✅ Authoritative Response

Server:46.149.113.151

NS records: ns1.one.cz, ns2.one.cz, ns3.one.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ddmcheb.cz (unsigned zone)

⏱️ Timing

Total: 954ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`88.86.118.82`
NS	3	`ns1.one.cz, ns2.one.cz...`
MX	1	`ddmcheb-cz.mail.protection.outlook.com (`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.one.cz one.one.cz`

📌 Glue Records Collected

Total: 5

Out-of-bailiwick: 5 (ns1.one.cz, ns2.one.cz, ns3.one.cz...)

Analysis

IP Addresses

ddmcheb.cz points to a single IP address: 88.86.118.82.

Other host names such as www.ddm.vys.cz, ddmbilina.cz, ddmchocen.cz, svczabreh.cz and ddmtyniste.cz share IP numbers with ddmcheb.cz.

Name Servers

ddmcheb.cz is delegated to three name servers: ns1.one.cz, ns2.one.cz and ns3.one.cz.

At least part of the name servers for ddmcheb.cz are shared with other domains, for instance edifact.cz, 113.149.46.in-addr.arpa, zumba-obleceni.cz, rkc.cz and ft.cz.