`jerzyco.com`

DNSSEC	⚠️ Not signed
NS	`eric.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b70^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c170^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`eric.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2170^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`eric.ns.cloudflare.com`
		A	108.162.193.112^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	172.64.33.112^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
		A	173.245.59.112^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`eric.ns.cloudflare.com`
NS	`sloan.ns.cloudflare.com`
		A	2606:4700:50::a29f:2634^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c234^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sloan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2234^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sloan.ns.cloudflare.com`
		A	108.162.194.52^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	162.159.38.52^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
		A	172.64.34.52^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sloan.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁴⁰⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁹⁰⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`eric.ns.cloudflare.com`dns@cloudflare.com serial=2395637183

`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=1771291435

Same first word

jerzyco.com

DNS History

11 records (5 active, 6 former)

●NSeric.ns.cloudflare.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-07-04 08:42:22
● 2026-03-24 07:34:22

○NSns1.systemdns.com2015-06-19 → 2017-07-04 · 3 obs

● 2015-06-19 10:09:06
● 2017-07-04 08:42:22
○ 2026-03-24 07:34:22

○NSns2.systemdns.com2015-06-19 → 2017-07-04 · 3 obs

● 2015-06-19 10:09:06
● 2017-07-04 08:42:22
○ 2026-03-24 07:34:22

○NSns3.systemdns.com2015-06-19 → 2017-07-04 · 3 obs

● 2015-06-19 10:09:06
● 2017-07-04 08:42:22
○ 2026-03-24 07:34:22

●NSsloan.ns.cloudflare.com2026-03-24 → 2026-03-24 · 2 obs

○ 2017-07-04 08:42:22
● 2026-03-24 07:34:22

○MXmx.jerzyco.com.cust.b.hostedemail.com2015-06-19 → 2016-01-19 · 4 obs

● 2015-06-19 10:09:06
● 2016-01-19 23:39:14
○ 2016-04-19 19:59:58
○ 2026-03-24 07:34:22

○MXmx.zoho.com2016-04-19 → 2017-07-04 · 4 obs

○ 2016-01-19 23:39:14
● 2016-04-19 19:59:58
● 2017-07-04 08:42:22
○ 2026-03-24 07:34:22

●MXroute1.mx.cloudflare.net2026-03-24 → 2026-03-24 · 2 obs

○ 2017-07-04 08:42:22
● 2026-03-24 07:34:22

●MXroute2.mx.cloudflare.net2026-03-24 → 2026-03-24 · 2 obs

○ 2017-07-04 08:42:22
● 2026-03-24 07:34:22

●MXroute3.mx.cloudflare.net2026-03-24 → 2026-03-24 · 2 obs

○ 2017-07-04 08:42:22
● 2026-03-24 07:34:22

○A23.227.38.322015-10-31 → 2017-07-04 · 3 obs

● 2015-10-31 00:30:14
● 2017-07-04 08:42:22
○ 2026-03-24 07:34:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
jerzyco.com	eric.ns.cloudflare.com, sloan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.52

NS records: eric.ns.cloudflare.com, sloan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jerzyco.com (unsigned zone)

⏱️ Timing

Total: 130ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`eric.ns.cloudflare.com, sloan.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 4), route1.mx.cloudflare.net (pri: 40)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`eric.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (eric.ns.cloudflare.com, eric.ns.cloudflare.com, eric.ns.cloudflare.com...)

Analysis

Name Servers

jerzyco.com's delegation uses two name servers: eric.ns.cloudflare.com and sloan.ns.cloudflare.com.

jerzyco.com uses the same name server setup as other domains, such as etwii.com, lean-e.com, betocesar.com, gamerustlers.com and zecco.net.

jerzyco.com at least partially shares name servers with other domains, including guest-entery-hub.com, hubobik.com, noblesurveys.com, renew-dental.com and systemology.com.

These name servers are commonly used with alaric.ns.cloudflare.com, cris.ns.cloudflare.com and pam.ns.cloudflare.com.

Host names with six IP numbers:

eric.ns.cloudflare.com points to 2606:4700:58::adf5:3b70, 2803:f800:50::6ca2:c170, 2a06:98c1:50::ac40:2170, 108.162.193.112, 172.64.33.112 and 173.245.59.112.

sloan.ns.cloudflare.com points to 2606:4700:50::a29f:2634, 2803:f800:50::6ca2:c234, 2a06:98c1:50::ac40:2234, 108.162.194.52, 162.159.38.52 and 172.64.34.52.

Mail Servers

Three mail servers handle jerzyco.com: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

jerzyco.com shares at least some mail servers with other domains, for example mokos.de, patunganvps.us, zoloftpills.tk, artem1s.com and jocc.com.au.

Host names with six IP numbers:

route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13

route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19

route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25

jerzyco.com - robtex.com

jerzyco.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

Mail Servers

`jerzyco.com`

`com`