`felzel.com`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2005::5^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.165^{🇸🇰 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.felzel.com` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:113^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx10.websupport.hu`
		A	45.13.137.113^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u6-mx.websupport.hu`
MX	`mailin2.felzel.com`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:109^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.sk`
		A	45.13.137.112^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u5-mx.websupport.hu`
TXT	`v=spf1 include:spf.active24.com include:_spf.m1.websupport.sk ~all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1731072808

`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=1776058532

Subdomains

mailin2.felzel.com

mailin1.felzel.com

Same first word

felzel.com

Similar names

fzlele.cn

zelfel.com

zelfel.cz

leelfz.com

lelezf.com

DNS History

22 records (7 active, 15 former)

○NSalfa.ns.active24.cz2016-04-05 → 2017-04-05 · 5 obs

○ 2016-01-18 09:52:34
● 2016-04-05 13:40:58
● 2017-04-05 22:56:26
○ 2026-03-27 05:00:24
○ 2026-04-13 05:36:08

○NSans1.active24.com2015-08-09 → 2016-01-18 · 4 obs

● 2015-08-09 18:12:50
● 2016-01-18 09:52:34
○ 2016-04-05 13:40:58
○ 2026-04-13 05:36:08

○NSans2.active24.com2015-08-09 → 2016-01-18 · 4 obs

● 2015-08-09 18:12:50
● 2016-01-18 09:52:34
○ 2016-04-05 13:40:58
○ 2026-04-13 05:36:08

○NSans3.active24.com2015-08-09 → 2016-01-18 · 4 obs

● 2015-08-09 18:12:50
● 2016-01-18 09:52:34
○ 2016-04-05 13:40:58
○ 2026-04-13 05:36:08

○NSbeta.ns.active24.cz2016-04-05 → 2017-04-05 · 5 obs

○ 2016-01-18 09:52:34
● 2016-04-05 13:40:58
● 2017-04-05 22:56:26
○ 2026-03-27 05:00:24
○ 2026-04-13 05:36:08

○NSgama.ns.active24.sk2016-04-05 → 2017-04-05 · 5 obs

○ 2016-01-18 09:52:34
● 2016-04-05 13:40:58
● 2017-04-05 22:56:26
○ 2026-03-27 05:00:24
○ 2026-04-13 05:36:08

●NSns1.websupport.cz2026-03-27 → 2026-04-13 · 3 obs

○ 2017-04-05 22:56:26
● 2026-03-27 05:00:24
● 2026-04-13 05:36:08

●NSns2.websupport.cz2026-03-27 → 2026-04-13 · 3 obs

○ 2017-04-05 22:56:26
● 2026-03-27 05:00:24
● 2026-04-13 05:36:08

●NSns3.websupport.eu2026-03-27 → 2026-04-13 · 3 obs

○ 2017-04-05 22:56:26
● 2026-03-27 05:00:24
● 2026-04-13 05:36:08

●MXmailin1.felzel.com2026-03-27 → 2026-04-13 · 3 obs

○ 2017-04-05 22:56:26
● 2026-03-27 05:00:24
● 2026-04-13 05:36:08

●MXmailin2.felzel.com2026-03-27 → 2026-04-13 · 3 obs

○ 2017-04-05 22:56:26
● 2026-03-27 05:00:24
● 2026-04-13 05:36:08

○MXmta1.active24.com2015-08-09 → 2016-01-18 · 4 obs

● 2015-08-09 18:12:50
● 2016-01-18 09:52:34
○ 2016-04-05 13:40:58
○ 2026-04-13 05:36:08

○MXmta2.active24.com2015-08-09 → 2016-01-18 · 4 obs

● 2015-08-09 18:12:50
● 2016-01-18 09:52:34
○ 2016-04-05 13:40:58
○ 2026-04-13 05:36:08

○MXmta3.active24.com2015-08-09 → 2016-01-18 · 4 obs

● 2015-08-09 18:12:50
● 2016-01-18 09:52:34
○ 2016-04-05 13:40:58
○ 2026-04-13 05:36:08

○MXmta4.active24.com2015-08-09 → 2016-01-18 · 4 obs

● 2015-08-09 18:12:50
● 2016-01-18 09:52:34
○ 2016-04-05 13:40:58
○ 2026-04-13 05:36:08

○MXmx1.active24.com2016-04-05 → 2017-04-05 · 5 obs

○ 2016-01-18 09:52:34
● 2016-04-05 13:40:58
● 2017-04-05 22:56:26
○ 2026-03-27 05:00:24
○ 2026-04-13 05:36:08

○MXmx2.active24.com2016-04-05 → 2017-04-05 · 5 obs

○ 2016-01-18 09:52:34
● 2016-04-05 13:40:58
● 2017-04-05 22:56:26
○ 2026-03-27 05:00:24
○ 2026-04-13 05:36:08

○A213.188.130.1082015-08-09 → 2016-01-18 · 4 obs

● 2015-08-09 18:12:50
● 2016-01-18 09:52:34
○ 2016-04-05 13:40:58
○ 2026-04-13 05:36:08

●A2a00:4b40:aaaa:2005::52026-03-27 → 2026-04-13 · 3 obs

○ 2017-04-05 22:56:26
● 2026-03-27 05:00:24
● 2026-04-13 05:36:08

○A2a02:4a8:ac24:117::101:22016-04-05 → 2017-04-05 · 5 obs

○ 2016-01-18 09:52:34
● 2016-04-05 13:40:58
● 2017-04-05 22:56:26
○ 2026-03-27 05:00:24
○ 2026-04-13 05:36:08

●A37.9.175.1652026-03-27 → 2026-04-13 · 3 obs

○ 2017-04-05 22:56:26
● 2026-03-27 05:00:24
● 2026-04-13 05:36:08

○A81.95.101.22016-04-05 → 2017-04-05 · 5 obs

○ 2016-01-18 09:52:34
● 2016-04-05 13:40:58
● 2017-04-05 22:56:26
○ 2026-03-27 05:00:24
○ 2026-04-13 05:36:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
felzel.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

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 420ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.165`
AAAA	1	`2a00:4b40:aaaa:2005::5`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.felzel.com (pri: 10), mailin2.felzel.com (pri: 100)`
TXT	1	`v=spf1 include:spf.active24.com include:`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

Hierarchy

felzel.com is a parent of mailin2.felzel.com and mailin1.felzel.com.

IP Addresses

felzel.com resolves to two IP numbers: 2a00:4b40:aaaa:2005::5 and 37.9.175.165.

other host names including limma.cz, phpfashion.com, www.autokempliberec.cz, onepiercing.com and domaci-pece.net share IP numbers with felzel.com.

Name Servers

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

felzel.com at least partially shares name servers with other domains, for instance comfis.eu, blesno.cz, zilt.biz, vyslapy.cz and flashnews.cz.

Host names with two IP numbers:

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

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

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

Mail Servers

Two mail servers handle felzel.com: mailin1.felzel.com and mailin2.felzel.com.

Host names with two IP numbers:

The host name mailin1.felzel.com points to 2a00:4b40:aaaa:2101:45:13:137:113 and 45.13.137.113; the host name mailin2.felzel.com points to 2a00:4b40:aaaa:2101:45:13:137:109 and 45.13.137.112.

felzel.com - robtex.com

felzel.com

com

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

`felzel.com`

`com`