`zagrebsecurityforum.com`

DNSSEC	⚠️ Not signed
A	213.186.16.203^{🇭🇷 Omonia213.186.16.0/23 OMONIA DOO}
		PTR	`ns1.institut.hr`
NS	`ns1.institut.hr` ⭐
		A	213.186.16.203^{🇭🇷 Omonia213.186.16.0/23 OMONIA DOO}
			PTR	`ns1.institut.hr`
NS	`ns2.institut.hr`
		A	213.186.16.204^{🇭🇷 Omonia213.186.16.0/23 OMONIA DOO}
			PTR	`post.institut.hr`
MX	`post.institut.hr` ⭐
		A	213.186.16.204^{🇭🇷 Omonia213.186.16.0/23 OMONIA DOO}
			PTR	`post.institut.hr`
MX	`mail.zagrebsecurityforum.com`⁽¹⁰⁾
		A	213.186.16.204^{🇭🇷 Omonia213.186.16.0/23 OMONIA DOO}
			PTR	`post.institut.hr`
TXT	`google-site-verification=Gbv4nJ7o22yrsVjVJF8LmNv_6qZV0CZOKck66XN7-5g`
TXT	`cisco-ci-domain-verification=470563d06a53d99020b74fcfd5bd9cc430fd84622cf494d1...`
TXT	`v=spf1 a mx ip4:213.186.16.203 ip4:213.186.16.204 include:post.institut.hr in...`
SOA	`ns1.institut.hr`info@institut.hr serial=20151131

`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=1778371487

Subdomains

mail.zagrebsecurityforum.com

Same first word

zagrebsecurityforum.com

DNS History

5 records (5 active, 0 former)

●NSns1.institut.hr2016-12-19 → 2026-05-10 · 2 obs

● 2016-12-19 14:21:20
● 2026-05-10 00:30:50

●NSns2.institut.hr2016-12-19 → 2026-05-10 · 2 obs

● 2016-12-19 14:21:20
● 2026-05-10 00:30:50

●MXmail.zagrebsecurityforum.com2016-12-19 → 2026-05-10 · 2 obs

● 2016-12-19 14:21:20
● 2026-05-10 00:30:50

●MXpost.institut.hr2026-02-17 → 2026-05-10 · 3 obs

○ 2016-12-19 14:21:20
● 2026-02-17 04:13:04
● 2026-05-10 00:30:50

●A213.186.16.2032016-12-19 → 2026-05-10 · 2 obs

● 2016-12-19 14:21:20
● 2026-05-10 00:30:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
zagrebsecurityforum.com	ns1.institut.hr, ns2.institut.hr	-

✅ Authoritative Response

Server:213.186.16.203

NS records: ns1.institut.hr, ns2.institut.hr

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zagrebsecurityforum.com (unsigned zone)

⏱️ Timing

Total: 882ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.186.16.203`
NS	2	`ns1.institut.hr, ns2.institut.hr`
MX	2	`post.institut.hr (pri: 5), mail.zagrebsecurityforum.com (pri: 10)`
TXT	3	`cisco-ci-domain-verification=470563d06a5, v=spf1 a mx ip4:213.186.16.203 ip4:213.1...`
SOA	1	`ns1.institut.hr info.institut.hr`

Analysis

Hierarchy

zagrebsecurityforum.com is the parent of mail.zagrebsecurityforum.com.

IP Addresses

zagrebsecurityforum.com points to a single IP number: 213.186.16.203.

other host names for instance usj.hr, travabled.institut.hr, primjena.com, panpek.institut.hr and ns1.institut.hr share IP numbers with zagrebsecurityforum.com.

Name Servers

zagrebsecurityforum.com is delegated to two name servers: ns1.institut.hr and ns2.institut.hr.

zagrebsecurityforum.com shares the same name server setup as other domains, for example primjena.com, nsf-journal.hr, institut.hr, institut.com.hr and usj.hr.

Host names with one IP number:

The host ns1.institut.hr points to 213.186.16.203 and the host ns2.institut.hr points to 213.186.16.204.

Mail Servers

zagrebsecurityforum.com is handled by two mail servers: mail.zagrebsecurityforum.com and post.institut.hr.

zagrebsecurityforum.com shares the same mail server setup as other domains, for example mail.zagrebsecurityforum.com.

zagrebsecurityforum.com shares mail servers with other domains at least partially, including post.primjena.com, mail.usj.hr, primjena.com, mail.nsf-journal.hr and post.institut.hr.

Host names with a single IP number:

mail.zagrebsecurityforum.com points to 213.186.16.204 and post.institut.hr points to 213.186.16.204.

Host names that point to 213.186.16.204: mail.zagrebsecurityforum.com and post.institut.hr.

zagrebsecurityforum.com - robtex.com