`certus-systems.com`

DNSSEC	⚠️ Not signed
NS	`julio.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cd1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`julio.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`julio.ns.cloudflare.com`
		A	108.162.195.209^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	162.159.44.209^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
		A	172.64.35.209^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`julio.ns.cloudflare.com`
NS	`opal.ns.cloudflare.com`
		A	2606:4700:50::a29f:2664^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c264^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`opal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2264^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`opal.ns.cloudflare.com`
		A	108.162.194.100^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	162.159.38.100^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
		A	172.64.34.100^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`opal.ns.cloudflare.com`
MX	`certussystems-com01e.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::8^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
		A	52.101.73.16^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as2pr05cu00100.inbound.protection.outlook.com`
		A	52.101.73.22^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00106.inbound.protection.outlook.com`
TXT	`MS=ms58456579`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`julio.ns.cloudflare.com`dns@cloudflare.com serial=2400518944

`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=1775470687

Same first word

certus-systems.com

DNS History

11 records (3 active, 8 former)

○NSdns1.registrar-servers.com2019-01-17 → 2019-01-17 · 3 obs

● 2019-01-17 15:19:42
○ 2026-03-01 00:54:16
○ 2026-04-06 10:45:46

○NSdns2.registrar-servers.com2019-01-17 → 2019-01-17 · 3 obs

● 2019-01-17 15:19:42
○ 2026-03-01 00:54:16
○ 2026-04-06 10:45:46

●NSjulio.ns.cloudflare.com2026-03-01 → 2026-04-06 · 3 obs

○ 2019-01-17 15:19:42
● 2026-03-01 00:54:16
● 2026-04-06 10:45:46

●NSopal.ns.cloudflare.com2026-03-01 → 2026-04-06 · 3 obs

○ 2019-01-17 15:19:42
● 2026-03-01 00:54:16
● 2026-04-06 10:45:46

●MXcertussystems-com01e.mail.protection.outlook.com2026-03-01 → 2026-04-06 · 3 obs

○ 2019-01-17 15:19:42
● 2026-03-01 00:54:16
● 2026-04-06 10:45:46

○MXeforward1.registrar-servers.com2019-01-17 → 2019-01-17 · 3 obs

● 2019-01-17 15:19:42
○ 2026-03-01 00:54:16
○ 2026-04-06 10:45:46

○MXeforward2.registrar-servers.com2019-01-17 → 2019-01-17 · 3 obs

● 2019-01-17 15:19:42
○ 2026-03-01 00:54:16
○ 2026-04-06 10:45:46

○MXeforward3.registrar-servers.com2019-01-17 → 2019-01-17 · 3 obs

● 2019-01-17 15:19:42
○ 2026-03-01 00:54:16
○ 2026-04-06 10:45:46

○MXeforward4.registrar-servers.com2019-01-17 → 2019-01-17 · 3 obs

● 2019-01-17 15:19:42
○ 2026-03-01 00:54:16
○ 2026-04-06 10:45:46

○MXeforward5.registrar-servers.com2019-01-17 → 2019-01-17 · 3 obs

● 2019-01-17 15:19:42
○ 2026-03-01 00:54:16
○ 2026-04-06 10:45:46

○A162.255.119.2312019-01-17 → 2019-01-17 · 3 obs

● 2019-01-17 15:19:42
○ 2026-03-01 00:54:16
○ 2026-04-06 10:45:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...	-
certus-systems.com	opal.ns.cloudflare.com, julio.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.100

NS records: opal.ns.cloudflare.com, julio.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for certus-systems.com (unsigned zone)

⏱️ Timing

Total: 128ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`julio.ns.cloudflare.com, opal.ns.cloudflare.com`
MX	1	`certussystems-com01e.mail.protection.out`
TXT	2	`MS=ms58456579, v=spf1 include:spf.protection.outlook.co`
SOA	1	`julio.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Name Servers

Two name servers julio.ns.cloudflare.com and opal.ns.cloudflare.com handle the delegation for certus-systems.com.

certus-systems.com shares the same name server setup as other domains, for example orisoft.com, coopronaranjorl.com, inyect-gas.com.ar, menusnap.net and calmforestcircle.club.

certus-systems.com at least partially shares name servers with other domains, for example amacbrokers.com, websolutionllc.com, hnzhiu.com, tamky.net and toprussianbloggers.ru.

these name servers commonly pair with elinore.ns.cloudflare.com, candy.ns.cloudflare.com, annabel.ns.cloudflare.com and gannon.ns.cloudflare.com.

Host names with six IP numbers:

julio.ns.cloudflare.com points to 2606:4700:58::a29f:2cd1, 2803:f800:50::6ca2:c3d1, 2a06:98c1:50::ac40:23d1, 108.162.195.209, 162.159.44.209 and 172.64.35.209.

opal.ns.cloudflare.com points to 2606:4700:50::a29f:2664, 2803:f800:50::6ca2:c264, 2a06:98c1:50::ac40:2264, 108.162.194.100, 162.159.38.100 and 172.64.34.100.

Mail Servers

The certussystems-com01e.mail.protection.outlook.com mail server handles certus-systems.com.

certussystems-com01e.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::4, 2a01:111:f403:ca04::7, 2a01:111:f403:ca04::9, 2a01:111:f403:ca09::8, 52.101.68.3, 52.101.73.4, 52.101.73.16 and 52.101.73.22.

certus-systems.com - robtex.com