`advantech-dmp.com`

DNSSEC	⚠️ Not signed
A	2001:1568::14^{🇨🇿 WEB4U2001:1568::/33}
		PTR	`php7.web4u.cz`
A	81.91.86.14^{🇨🇿 WEB4U81.91.80.0/21}
NS	`ns2.web4u.cz` ⭐
		A	2a02:a40:100:28ff::12^{🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s.}
			PTR	`ns2.web4u.cz`
		A	85.207.53.12^{🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block}
			PTR	`ns2.web4u.cz`
NS	`ns.web4u.cz`
		A	2001:1568:fd::241^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`ns.web4u.cz`
		A	185.14.224.241^{🇨🇿 WEB4U185.14.224.0/23}
			PTR	`ns.web4u.cz`
MX	`mx.web4u.cz` ⭐
		A	2001:1568::7012^{🇨🇿 WEB4U2001:1568::/33}
			PTR	`mx.web4u.cz`
		A	81.91.87.12^{🇨🇿 WEB4U81.91.80.0/21}
			PTR	`mx.web4u.cz`
SOA	`ns.web4u.cz`admin@web4u.cz 2020-07-28 #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=1774518757

Same first word

advantech-dmp.com

DNS History

5 records (5 active, 0 former)

●NSns.web4u.cz2026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 00:12:24
● 2026-03-26 10:02:10

●NSns2.web4u.cz2026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 00:12:24
● 2026-03-26 10:02:10

●MXmx.web4u.cz2026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 00:12:24
● 2026-03-26 10:02:10

●A2001:1568::142026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 00:12:24
● 2026-03-26 10:02:10

●A81.91.86.142026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 00:12:24
● 2026-03-26 10:02:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
advantech-dmp.com	ns.web4u.cz, ns2.web4u.cz	-

✅ Authoritative Response

Server:85.207.53.12

NS records: ns.web4u.cz, ns2.web4u.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for advantech-dmp.com (unsigned zone)

⏱️ Timing

Total: 728ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`81.91.86.14`
AAAA	1	`2001:1568::14`
NS	2	`ns.web4u.cz, ns2.web4u.cz`
MX	1	`mx.web4u.cz (pri: 10)`
SOA	1	`ns.web4u.cz admin.web4u.cz`

Analysis

IP Addresses

The entity advantech-dmp.com points to two IP numbers: 2001:1568::14 and 81.91.86.14.

For instance, other host names trikolka.com, taratechpv.com, vs200.server4u.cz, bystricko.net and hadri.cz share IP numbers with advantech-dmp.com.

Name Servers

advantech-dmp.com is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.

advantech-dmp.com uses the same name server setup as other domains such as systembaker.com, elancar.cz, brnenskaobalovna.org, sambi.cz and gmf.cz.

Host names with two IP numbers:

ns2.web4u.cz points to 2a02:a40:100:28ff::12 and 85.207.53.12; ns.web4u.cz points to 2001:1568:fd::241 and 185.14.224.241.

Mail Servers

advantech-dmp.com is handled by a single mail server, mx.web4u.cz.

advantech-dmp.com shares the same mail server setup as other domains, for instance bluelake.cz, cochci.com, drevoart.cz, erbisystems.cz and braglia.cz.

advantech-dmp.com shares some mail servers with other domains to some extent, for instance bef.cz and isosklo.cz.

mx.web4u.cz resolves to two IPs: 2001:1568::7012 and 81.91.87.12.

advantech-dmp.com - robtex.com