`boriskollar.com`

DNSSEC	⚠️ Not signed
A	2a00:4b40:aaaa:2005::6^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.163^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
MX	`mailin1.boriskollar.com` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:7^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u5-mx.websupport.sk`
		A	45.13.137.7^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx10.websupport.at`
MX	`mailin2.boriskollar.com`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:8^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u6-mx.websupport.sk`
		A	45.13.137.8^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`mx20.websupport.at`
TXT	`v=spf1 a mx include:_spf.m1.websupport.sk ?all`
TXT	`spf2.0/pra a mx include:_sid.m1.websupport.sk ?all`
TXT	`google-site-verification=pwRRbdh2qWyWUrzyOf8rOQrhsNh_(0x733358)OdtFZ_CuyhK0`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1776766300

`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=1778867161

Subdomains

mailin1.boriskollar.com

mail.boriskollar.com

mailin2.boriskollar.com

Same first word

boriskollar.com

DNS History

11 records (7 active, 4 former)

●NSns1.websupport.cz2026-05-02 → 2026-05-15 · 3 obs

○ 2017-05-10 18:36:50
● 2026-05-02 06:59:18
● 2026-05-15 18:13:10

○NSns17.domaincontrol.com2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 18:36:50
○ 2026-05-02 06:59:18
○ 2026-05-15 18:13:10

○NSns18.domaincontrol.com2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 18:36:50
○ 2026-05-02 06:59:18
○ 2026-05-15 18:13:10

●NSns2.websupport.cz2026-05-02 → 2026-05-15 · 3 obs

○ 2017-05-10 18:36:50
● 2026-05-02 06:59:18
● 2026-05-15 18:13:10

●NSns3.websupport.eu2026-05-02 → 2026-05-15 · 3 obs

○ 2017-05-10 18:36:50
● 2026-05-02 06:59:18
● 2026-05-15 18:13:10

○MXmail.boriskollar.com2017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 18:36:50
○ 2026-05-02 06:59:18
○ 2026-05-15 18:13:10

●MXmailin1.boriskollar.com2026-05-02 → 2026-05-15 · 3 obs

○ 2017-05-10 18:36:50
● 2026-05-02 06:59:18
● 2026-05-15 18:13:10

●MXmailin2.boriskollar.com2026-05-02 → 2026-05-15 · 3 obs

○ 2017-05-10 18:36:50
● 2026-05-02 06:59:18
● 2026-05-15 18:13:10

○A160.153.129.2192017-05-10 → 2017-05-10 · 3 obs

● 2017-05-10 18:36:50
○ 2026-05-02 06:59:18
○ 2026-05-15 18:13:10

●A2a00:4b40:aaaa:2005::62026-05-02 → 2026-05-15 · 3 obs

○ 2017-05-10 18:36:50
● 2026-05-02 06:59:18
● 2026-05-15 18:13:10

●A37.9.175.1632026-05-02 → 2026-05-15 · 3 obs

○ 2017-05-10 18:36:50
● 2026-05-02 06:59:18
● 2026-05-15 18:13:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net...	-
boriskollar.com	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.11

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for boriskollar.com (unsigned zone)

⏱️ Timing

Total: 476ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.163`
AAAA	1	`2a00:4b40:aaaa:2005::6`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.boriskollar.com (pri: 10), mailin2.boriskollar.com (pri: 100)`
TXT	3	`v=spf1 a mx include:_spf.m1.websupport.s, spf2.0/pra a mx include:_sid.m1.websuppo...`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

boriskollar.com is a parent of mailin1.boriskollar.com, mail.boriskollar.com and mailin2.boriskollar.com.

IP Addresses

boriskollar.com points to two IP numbers: 2a00:4b40:aaaa:2005::6 and 37.9.175.163.

Other host names such as www.allergomedia.cz, extgw01.boch.cz, eshley.cz, jawo.cz and psychoterapie.me share IP numbers with boriskollar.com.

Name Servers

boriskollar.com is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

At least part of the name servers for boriskollar.com are shared with other domains, for instance linetka.cz, czechhostels.com, trimot.cz, cmf.cz and poceste.cz.