itresourcesystems.com - dns.ninja

`itresourcesystems.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:b128^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:5061^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.97^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.177.40^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`amber.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a40^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c040^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`amber.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2040^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`amber.ns.cloudflare.com`
		A	108.162.192.64^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	172.64.32.64^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
		A	173.245.58.64^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`amber.ns.cloudflare.com`
NS	`maxim.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`maxim.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`maxim.ns.cloudflare.com`
		A	108.162.195.198^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	162.159.44.198^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
		A	172.64.35.198^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`maxim.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	204.141.33.44^{🇺🇸 ZohoAS204.141.32.0/23 PNAP-DAL CASE00103239}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx6.zoho.com`
			PTR	`mx7.zoho.com`
			PTR	`mx8.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`v=spf1 ip4:74.81.38.130 +a +mx +ip4:104.243.77.50 +ip4:104.243.77.62 include:...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.97, 172.67.177.40
		IPv6 hints	2606:4700:3036::ac43:b128, 2606:4700:3037::6815:5061
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=32, name=cloudflare-ech.com
SOA	`amber.ns.cloudflare.com`dns@cloudflare.com serial=2407672218

`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=1783795767

Subdomains

mail.itresourcesystems.com

Same first word

itresourcesystems.com

DNS History

16 records (9 active, 7 former)

●NSamber.ns.cloudflare.com2026-02-23 → 2026-07-11 · 3 obs

○ 2017-06-10 20:53:24
● 2026-02-23 14:44:02
● 2026-07-11 18:50:24

●NSmaxim.ns.cloudflare.com2026-02-23 → 2026-07-11 · 3 obs

○ 2017-06-10 20:53:24
● 2026-02-23 14:44:02
● 2026-07-11 18:50:24

○NSns1.itresourcesystems.com2015-06-07 → 2017-06-10 · 4 obs

● 2015-06-07 09:23:38
● 2017-06-10 20:53:24
○ 2026-02-23 14:44:02
○ 2026-07-11 18:50:24

○NSns2.itresourcesystems.com2015-06-07 → 2017-06-10 · 4 obs

● 2015-06-07 09:23:38
● 2017-06-10 20:53:24
○ 2026-02-23 14:44:02
○ 2026-07-11 18:50:24

○NSwin-37c14gkud192015-06-07 → 2017-06-10 · 4 obs

● 2015-06-07 09:23:38
● 2017-06-10 20:53:24
○ 2026-02-23 14:44:02
○ 2026-07-11 18:50:24

○MXmail.itresourcesystems.com2015-06-07 → 2017-06-10 · 4 obs

● 2015-06-07 09:23:38
● 2017-06-10 20:53:24
○ 2026-02-23 14:44:02
○ 2026-07-11 18:50:24

●MXmx.zoho.com2026-02-23 → 2026-07-11 · 3 obs

○ 2017-06-10 20:53:24
● 2026-02-23 14:44:02
● 2026-07-11 18:50:24

●MXmx2.zoho.com2026-02-23 → 2026-07-11 · 3 obs

○ 2017-06-10 20:53:24
● 2026-02-23 14:44:02
● 2026-07-11 18:50:24

●MXmx3.zoho.com2026-02-23 → 2026-07-11 · 3 obs

○ 2017-06-10 20:53:24
● 2026-02-23 14:44:02
● 2026-07-11 18:50:24

●A104.21.80.972026-02-23 → 2026-07-11 · 5 obs

● 2026-02-23 14:44:02
● 2026-05-21 23:50:34
○ 2026-05-22 06:48:16
● 2026-05-22 13:20:20
● 2026-07-11 18:50:24

○A172.64.80.12026-05-22 → 2026-05-22 · 4 obs

○ 2026-05-21 23:50:34
● 2026-05-22 06:48:16
○ 2026-05-22 13:20:20
○ 2026-07-11 18:50:24

●A172.67.177.402026-02-23 → 2026-07-11 · 5 obs

● 2026-02-23 14:44:02
● 2026-05-21 23:50:34
○ 2026-05-22 06:48:16
● 2026-05-22 13:20:20
● 2026-07-11 18:50:24

○A2606:4700:3034::ac43:b1282026-02-23 → 2026-02-23 · 3 obs

● 2026-02-23 14:44:02
○ 2026-07-03 23:48:58
○ 2026-07-11 18:50:24

○A2606:4700:3035::6815:50612026-02-23 → 2026-02-23 · 3 obs

● 2026-02-23 14:44:02
○ 2026-07-03 23:48:58
○ 2026-07-11 18:50:24

●A2606:4700:3036::ac43:b1282026-07-03 → 2026-07-11 · 3 obs

○ 2026-05-22 13:20:20
● 2026-07-03 23:48:58
● 2026-07-11 18:50:24

●A2606:4700:3037::6815:50612026-07-03 → 2026-07-11 · 3 obs

○ 2026-05-22 13:20:20
● 2026-07-03 23:48:58
● 2026-07-11 18:50:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
itresourcesystems.com	amber.ns.cloudflare.com, maxim.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.64

NS records: amber.ns.cloudflare.com, maxim.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for itresourcesystems.com (unsigned zone)

⏱️ Timing

Total: 637ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.177.40, 104.21.80.97`
AAAA	2	`2606:4700:3036::ac43:b128, 2606:4700:3037::6815:5061`
NS	2	`amber.ns.cloudflare.com, maxim.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	1	`v=spf1 ip4:74.81.38.130 +a +mx +ip4:104.`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`amber.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

mail.itresourcesystems.com is delegated beneath itresourcesystems.com.

IP Addresses

itresourcesystems.com directs to four IP numbers, which are 104.21.80.97, 172.67.177.40, 2606:4700:3036::ac43:b128 and 2606:4700:3037::6815:5061.

norcalfitness.net, adamtulis.cz, heartlandheating.com plus two other host names have IP numbers in common with itresourcesystems.com.

Name Servers

itresourcesystems.com has two authoritative name servers — amber.ns.cloudflare.com and maxim.ns.cloudflare.com.

The name server configuration of itresourcesystems.com is shared with other domains, for instance enautomatico.com, cdctransportation.org, steamdeck.asia and two others.

There is at least partial name server overlap between itresourcesystems.com and other domains — black-orchid.eu, chicken-scratch.ca, chappellhillwater.com and two more among them.

Hosts with 6 IP addresses each:

amber.ns.cloudflare.com points to 108.162.192.64, 172.64.32.64, 173.245.58.64 and 3 other IP addresses.

maxim.ns.cloudflare.com points to 108.162.195.198, 162.159.44.198, 172.64.35.198 and 3 other IP addresses.

Mail Servers

Incoming mail for itresourcesystems.com is delivered via three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

At least some of the mail servers used by itresourcesystems.com are shared with other domains: lfccq.com, x-i.us, kbelectric.vn and two others among them.

mx2.zoho.com, mx3.zoho.com and mx.zoho.com all point to the same IP address — 204.141.33.44.

Three host names point to 204.141.33.44: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.