`algernon.cz`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:96ad^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2060^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.32.96^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.150.173^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`malcolm.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`malcolm.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c351^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`malcolm.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2351^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`malcolm.ns.cloudflare.com`
		A	108.162.195.81^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`malcolm.ns.cloudflare.com`
		A	162.159.44.81^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`malcolm.ns.cloudflare.com`
		A	172.64.35.81^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`malcolm.ns.cloudflare.com`
NS	`sureena.ns.cloudflare.com`
		A	2606:4700:50::a29f:267e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c27e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sureena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:227e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sureena.ns.cloudflare.com`
		A	108.162.194.126^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	162.159.38.126^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
		A	172.64.34.126^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sureena.ns.cloudflare.com`
MX	`email2.ignum.cz` ⭐
		A	185.102.21.66^{🇨🇿 ONE-NETWORK185.102.21.0/24}
			PTR	`mx-lb-bra.core.webglobe.com`
MX	`email.ignum.cz`⁽²⁰⁾
		A	62.109.151.89^{🇨🇿 IGNUM-AS62.109.128.0/19 Network of Ignum s.r.o. Czech Republic http://www.ignum.cz/}
TXT	`v=spf1 include:_spf.ignum.cz ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.32.96, 172.67.150.173
		IPv6	2606:4700:3032::ac43:96ad, 2606:4700:3035::6815:2060
SOA	`malcolm.ns.cloudflare.com`dns@cloudflare.com serial=2398504375

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1774457273

Same first word

algernon.cz

algernon.ee

algernon.fr

algernon.ro

algernon.info

algernon.digital

algernon.biz

algernon.org

algernon.co

algernon.eu

Similar names

DNS History

15 records (8 active, 7 former)

●NSmalcolm.ns.cloudflare.com2026-02-15 → 2026-03-25 · 3 obs

○ 2020-02-28 13:03:20
● 2026-02-15 16:22:18
● 2026-03-25 17:35:04

○NSns1.ignum.com2020-02-28 → 2020-02-28 · 3 obs

● 2020-02-28 13:03:20
○ 2026-02-15 16:22:18
○ 2026-03-25 17:35:04

○NSns2.ignum.cz2020-02-28 → 2020-02-28 · 3 obs

● 2020-02-28 13:03:20
○ 2026-02-15 16:22:18
○ 2026-03-25 17:35:04

●NSsureena.ns.cloudflare.com2026-02-15 → 2026-03-25 · 3 obs

○ 2020-02-28 13:03:20
● 2026-02-15 16:22:18
● 2026-03-25 17:35:04

●MXemail.ignum.cz2020-02-28 → 2026-03-25 · 2 obs

● 2020-02-28 13:03:20
● 2026-03-25 17:35:04

●MXemail2.ignum.cz2020-02-28 → 2026-03-25 · 2 obs

● 2020-02-28 13:03:20
● 2026-03-25 17:35:04

●A104.21.32.962026-02-15 → 2026-03-25 · 6 obs

○ 2020-02-28 13:03:20
● 2026-02-15 16:22:18
● 2026-02-15 18:44:14
○ 2026-02-19 00:07:28
○ 2026-02-24 09:14:12
● 2026-03-25 17:35:04

●A172.67.150.1732026-02-15 → 2026-03-25 · 6 obs

○ 2020-02-28 13:03:20
● 2026-02-15 16:22:18
● 2026-02-15 18:44:14
○ 2026-02-19 00:07:28
○ 2026-02-24 09:14:12
● 2026-03-25 17:35:04

○A188.114.96.02026-02-19 → 2026-02-24 · 4 obs

○ 2026-02-15 18:44:14
● 2026-02-19 00:07:28
● 2026-02-24 09:14:12
○ 2026-03-25 17:35:04

○A188.114.97.02026-02-19 → 2026-02-24 · 4 obs

○ 2026-02-15 18:44:14
● 2026-02-19 00:07:28
● 2026-02-24 09:14:12
○ 2026-03-25 17:35:04

○A217.31.62.382020-02-28 → 2020-02-28 · 3 obs

● 2020-02-28 13:03:20
○ 2026-02-15 16:22:18
○ 2026-03-25 17:35:04

●A2606:4700:3032::ac43:96ad2026-02-15 → 2026-03-25 · 6 obs

○ 2020-02-28 13:03:20
● 2026-02-15 16:22:18
● 2026-02-15 18:44:14
○ 2026-02-19 00:07:28
○ 2026-02-24 09:14:12
● 2026-03-25 17:35:04

●A2606:4700:3035::6815:20602026-02-15 → 2026-03-25 · 6 obs

○ 2020-02-28 13:03:20
● 2026-02-15 16:22:18
● 2026-02-15 18:44:14
○ 2026-02-19 00:07:28
○ 2026-02-24 09:14:12
● 2026-03-25 17:35:04

○A2a06:98c1:3120::2026-02-19 → 2026-02-24 · 4 obs

○ 2026-02-15 18:44:14
● 2026-02-19 00:07:28
● 2026-02-24 09:14:12
○ 2026-03-25 17:35:04

○A2a06:98c1:3121::2026-02-19 → 2026-02-24 · 4 obs

○ 2026-02-15 18:44:14
● 2026-02-19 00:07:28
● 2026-02-24 09:14:12
○ 2026-03-25 17:35:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
algernon.cz	malcolm.ns.cloudflare.com, sureena.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.126

NS records: malcolm.ns.cloudflare.com, sureena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algernon.cz (unsigned zone)

⏱️ Timing

Total: 970ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.32.96, 172.67.150.173`
AAAA	2	`2606:4700:3035::6815:2060, 2606:4700:3032::ac43:96ad`
NS	2	`malcolm.ns.cloudflare.com, sureena.ns.cloudflare.com`
MX	2	`email.ignum.cz (pri: 10), email2.ignum.cz (pri: 20)`
TXT	1	`v=spf1 include:_spf.ignum.cz ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`malcolm.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

algernon.cz resolves to four IP numbers: 2606:4700:3032::ac43:96ad, 2606:4700:3035::6815:2060, 104.21.32.96 and 172.67.150.173.

Other host names such as kaigradert.org, bjioang.cn, agenda.org.il, oinkbingo.com and studyhelp247.com share IPs with algernon.cz.

Name Servers

algernon.cz is delegated to two name servers: malcolm.ns.cloudflare.com and sureena.ns.cloudflare.com.

algernon.cz shares the same name server setup as spintime-casino.me.uk, upperforma.com, gestionalemedico.it, studioamebe.com and maurelli.it.

algernon.cz at least partially shares name servers with other domains, for instance luckyduckslots.com, (0x706f726e)elleto.com, pafikabbatang.org, voxdirect.com and fondation-carrefour.org.

these name servers are commonly used together with the name servers wells.ns.cloudflare.com, haley.ns.cloudflare.com, fish.ns.cloudflare.com, plato.ns.cloudflare.com and harleigh.ns.cloudflare.com.

Host names with six IP numbers:

malcolm.ns.cloudflare.com points to 2606:4700:58::a29f:2c51, 2803:f800:50::6ca2:c351, 2a06:98c1:50::ac40:2351, 108.162.195.81, 162.159.44.81 and 172.64.35.81.

sureena.ns.cloudflare.com points to 2606:4700:50::a29f:267e, 2803:f800:50::6ca2:c27e, 2a06:98c1:50::ac40:227e, 108.162.194.126, 162.159.38.126 and 172.64.34.126.

Mail Servers

algernon.cz is handled by two mail servers: email2.ignum.cz and email.ignum.cz.

The mail server setup for algernon.cz matches that of other domains, for instance devlinek.com, smartchoice.cz, bydleni-u-prahy.cz, mooneight.com and premiumprogram.cz.

algernon.cz shares at least partially some mail servers with other domains, including lenska.eu, apsg.cz, mail-komplet.cz, redenge.biz and jesteri.cz.

Host names with a single IP:

email2.ignum.cz points to 185.102.21.66.

email.ignum.cz points to 62.109.151.89.

algernon.cz - robtex.com

algernon.cz

cz

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`algernon.cz`

`cz`