`marsicek.net`

DNSSEC	🔒 Signed (DS record present)
A	185.199.108.153^{🇺🇸 Fastly185.199.108.0/24 GitHub - 185.199.108.0/24}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly185.199.109.0/24 GitHub - 185.199.109.0/24}
A	185.199.110.153^{🇺🇸 Fastly185.199.110.0/24 GitHub - 185.199.110.0/24}
A	185.199.111.153^{🇺🇸 Fastly185.199.111.0/24 GitHub - 185.199.111.0/24}
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.marsicek.net` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:8^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`m1-u6-mx.websupport.sk`
		A	45.13.137.9^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u7-mx.websupport.sk`
MX	`mailin2.marsicek.net`⁽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 include:spf.active24.com include:_spf.m1.websupport.sk ~all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1707756770

`net`

	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=1778533941

Subdomains

mailin2.marsicek.net

mailin1.marsicek.net

Same first word

marsicek.net

Similar names

DNS History

17 records (9 active, 8 former)

○NSalfa.ns.active24.cz2015-05-15 → 2017-09-12 · 4 obs

● 2015-05-15 02:30:38
● 2017-09-12 16:21:14
○ 2026-05-08 11:37:04
○ 2026-05-11 21:25:42

○NSbeta.ns.active24.cz2015-05-15 → 2017-09-12 · 4 obs

● 2015-05-15 02:30:38
● 2017-09-12 16:21:14
○ 2026-05-08 11:37:04
○ 2026-05-11 21:25:42

●NSns1.websupport.cz2026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

●NSns2.websupport.cz2026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

●NSns3.websupport.eu2026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

○MXin.smtp.cz2015-05-15 → 2016-11-28 · 4 obs

● 2015-05-15 02:30:38
● 2016-11-28 22:29:06
○ 2017-09-12 16:21:14
○ 2026-05-11 21:25:42

●MXmailin1.marsicek.net2026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

●MXmailin2.marsicek.net2026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

○MXmx.smtp.cz2015-05-15 → 2016-11-28 · 4 obs

● 2015-05-15 02:30:38
● 2016-11-28 22:29:06
○ 2017-09-12 16:21:14
○ 2026-05-11 21:25:42

○MXmx1.active24.com2017-09-12 → 2017-09-12 · 4 obs

○ 2016-11-28 22:29:06
● 2017-09-12 16:21:14
○ 2026-05-08 11:37:04
○ 2026-05-11 21:25:42

○MXmx2.active24.com2017-09-12 → 2017-09-12 · 4 obs

○ 2016-11-28 22:29:06
● 2017-09-12 16:21:14
○ 2026-05-08 11:37:04
○ 2026-05-11 21:25:42

●A185.199.108.1532026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

●A185.199.109.1532026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

●A185.199.110.1532026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

●A185.199.111.1532026-05-08 → 2026-05-11 · 3 obs

○ 2017-09-12 16:21:14
● 2026-05-08 11:37:04
● 2026-05-11 21:25:42

○A2a02:4a8:ac24:108::96:1482015-05-15 → 2017-09-12 · 4 obs

● 2015-05-15 02:30:38
● 2017-09-12 16:21:14
○ 2026-05-08 11:37:04
○ 2026-05-11 21:25:42

○A81.95.96.1482015-05-15 → 2017-09-12 · 4 obs

● 2015-05-15 02:30:38
● 2017-09-12 16:21:14
○ 2026-05-08 11:37:04
○ 2026-05-11 21:25:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
marsicek.net	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.13

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 625ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`185.199.108.153, 185.199.109.153...`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.marsicek.net (pri: 10), mailin2.marsicek.net (pri: 100)`
TXT	1	`v=spf1 include:spf.active24.com include:`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

marsicek.net is a parent of mailin2.marsicek.net and mailin1.marsicek.net.

IP Addresses

marsicek.net refers to four IP numbers: 185.199.108.153, 185.199.109.153, 185.199.110.153 and 185.199.111.153.

Other host names, for instance keshav2507.github.io, kuber.studio, ooni.github.io, noorfatima262004.github.io and equals182.github.io share IP numbers with marsicek.net.

Name Servers

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

marsicek.net at least partially shares name servers with other domains, including saradinova.com, ilsintech.sk, svetpeceni.com, gclk.cz and datona.cz.

Host names with two IP numbers:

ns1.websupport.cz: 2a10:bbc0::11 and 45.10.97.11

ns2.websupport.cz: 2a02:250:3::12 and 185.71.159.12

ns3.websupport.eu: 2a10:bbc0::13 and 45.10.97.13

Mail Servers

marsicek.net is served by two mail servers mailin1.marsicek.net and mailin2.marsicek.net.

Host names with two IP numbers:

mailin1.marsicek.net points to 2a00:4b40:aaaa:2101:45:13:137:8 and 45.13.137.9

mailin2.marsicek.net points to 2a00:4b40:aaaa:2101:45:13:137:8 and 45.13.137.8

Host names that point to 2a00:4b40:aaaa:2101:45:13:137:8: mailin1.marsicek.net and mailin2.marsicek.net

marsicek.net - robtex.com

marsicek.net

net

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`marsicek.net`

`net`