`uldrich.cz`

DNSSEC	⚠️ Not signed
A	185.8.165.197^{🇨🇿 MASTER-AS185.8.164.0/23 CZ-VPSFREE-20121101}
		PTR	`mail.via-idea.com`
NS	`ns1.ignum.com` ⭐
		A	2a00:1e40:a:53::5^{🇸🇰 IGNUM-AS2a00:1e40:a::/48}
			PTR	`ns1-bra.core.webglobe.com`
		A	185.65.223.35^{🇸🇰 IGNUM-AS185.65.223.0/24}
			PTR	`ns1-bra.core.webglobe.com`
NS	`ns2.ignum.cz`
		A	2001:1ab0:7e1e:2::5^{🇨🇿 IGNUM-AS2001:1ab0::/32 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
		A	217.31.48.201^{🇨🇿 IGNUM-AS217.31.48.0/20 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
			PTR	`ns2-prg.core.webglobe.com`
MX	`mail.via-idea.cz` ⭐
		A	185.8.165.131^{🇨🇿 MASTER-AS185.8.164.0/23 CZ-VPSFREE-20121101}
			PTR	`mail.via-idea.cz`
SOA	`ns1.ignum.com`hostmaster@ignum.cz 2024-11-08 #1

`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=1775099839

Same first word

uldrich.com

uldrich.cz

uldrich.eu

DNS History

6 records (4 active, 2 former)

●NSns1.ignum.com2015-07-09 → 2026-04-02 · 2 obs

● 2015-07-09 05:12:02
● 2026-04-02 03:56:10

●NSns2.ignum.cz2015-07-09 → 2026-04-02 · 2 obs

● 2015-07-09 05:12:02
● 2026-04-02 03:56:10

○MXmail.rev.cz2015-07-09 → 2018-08-27 · 4 obs

● 2015-07-09 05:12:02
● 2018-08-27 11:28:02
○ 2026-03-26 12:18:24
○ 2026-04-02 03:56:10

●MXmail.via-idea.cz2026-03-26 → 2026-04-02 · 3 obs

○ 2018-08-27 11:28:02
● 2026-03-26 12:18:24
● 2026-04-02 03:56:10

●A185.8.165.1972016-06-26 → 2026-04-02 · 3 obs

○ 2016-02-14 06:00:44
● 2016-06-26 02:35:42
● 2026-04-02 03:56:10

○A81.2.209.1302015-07-09 → 2016-02-14 · 4 obs

● 2015-07-09 05:12:02
● 2016-02-14 06:00:44
○ 2016-06-26 02:35:42
○ 2026-04-02 03:56:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz	-
uldrich.cz	ns1.ignum.com, ns2.ignum.cz	2 records

✅ Authoritative Response

Server:185.65.223.35

NS records: ns1.ignum.com, ns2.ignum.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for uldrich.cz (unsigned zone)

⏱️ Timing

Total: 735ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.8.165.197`
NS	2	`ns1.ignum.com, ns2.ignum.cz`
MX	1	`mail.via-idea.cz (pri: 50)`
SOA	1	`ns1.ignum.com hostmaster.ignum.cz`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.ignum.cz, ns2.ignum.cz)

Analysis

IP Addresses

uldrich.cz resolves to a single IP address: 185.8.165.197.

Other host names including mail.via-idea.com, rozumne.cz, rozumni.cz, rozumne.eu and scream.cz share IP numbers with uldrich.cz.

Name Servers

uldrich.cz's delegation uses two name servers, ns1.ignum.com and ns2.ignum.cz.

uldrich.cz shares the same name server setup as other domains, for example akstanovsky.cz, drda.eu, 24crystal.cz, zakouti.cz and aspos.cz.

uldrich.cz at least partially shares name servers with other domains, including borann.cz, mytocz.eu, redenge.cz, nokiamania.cz and sfinvestment.cz.

These name servers are often used together with ns1.webcloud.cz.

Host names with two IPs:

ns1.ignum.com points to: 2a00:1e40:a:53::5 and 185.65.223.35

ns2.ignum.cz points to: 2001:1ab0:7e1e:2::5 and 217.31.48.201

Mail Servers

uldrich.cz is handled by a single mail server, mail.via-idea.cz.

uldrich.cz shares its mail server setup with other domains, including rozumne.cz, rozumni.cz, via-idea.com, rozumne.eu and scream.cz.

mail.via-idea.cz points to a single IP: 185.8.165.131.

uldrich.cz - robtex.com

uldrich.cz

cz