cusi.com - dns.ninja

`cusi.com`

DNSSEC	⚠️ Not signed
A	20.253.122.36^{🇺🇸 Microsoft20.192.0.0/10}
NS	`ns1-04.azure-dns.com` ⭐
		A	2603:1061:0:700::4^{🇺🇸 Microsoft2603:1000::/25 MICROSOFT}
			PTR	`ns1-04.azure-dns.com`
		A	13.107.236.4^{🇺🇸 Microsoft13.104.0.0/14 MICROSOFT}
			PTR	`ns1-04.azure-dns.com`
NS	`ns2-04.azure-dns.net`
		A	2620:1ec:8ec:700::4^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns2-04.azure-dns.net`
		A	150.171.21.4^{🇺🇸 Microsoft150.171.0.0/16 MICROSOFT}
			PTR	`ns2-04.azure-dns.net`
NS	`ns3-04.azure-dns.org`
		A	2a01:111:4000:700::4^{🇬🇧 Microsoft2a01:111:4000::/36}
			PTR	`ns3-04.azure-dns.org`
		A	204.14.183.4^{🇺🇸 Microsoft204.14.180.0/22}
			PTR	`ns3-04.azure-dns.org`
NS	`ns4-04.azure-dns.info`
		A	2620:1ec:bda:700::4^{🇺🇸 Microsoft2620:1ec::/36 MICROSOFT}
			PTR	`ns4-04.azure-dns.info`
		A	208.84.5.4^{🇺🇸 Microsoft208.84.0.0/21 MICROSOFT}
			PTR	`ns4-04.azure-dns.info`
MX	`cusi-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr21cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr04cu00603.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	52.101.9.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.40.0^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr03cu00300.inbound.protection.outlook.com`
TXT	`cReSqaquuzGiwfb/G1k7OVEd+imNR0ZgeMWandzQdB0Qb1FpPz7AUud/9R2crNeDKGZmDQJfYVHIx...`
TXT	`MS=ms43832759`
TXT	`v=spf1 ip4:104.207.254.79 ip4:216.119.112.133 ip4:63.134.207.1/24 ip4:64.233....`
TXT	`MS=ms39957764`
TXT	`apple-domain-verification=9fqsV3vsmE2j0MXF`
TXT	`atlassian-domain-verification=eMkC52758WXYvt0PaNWZLZCj3wxn3TD6HJonKe0CJFmY9U0...`
TXT	`slack-domain-verification=emKcJ5bKwtp60mzMtjsWUSVrgH1Nuk87r7EdBEpN`
TXT	`bw=fER3aIKGSjZ7RVsChIN3ZB8OctcaM+76zv7slLMWV0gE`
TXT	`intacct-esk=0C40B592D8E014E5E0633606790A1397`
TXT	`intacct-esk=150AD3D8A419D457E0633506790A02A2`
TXT	`5p4tig2f6rpaas7s9qq2tdacav`
TXT	`B9C7FEEC358C5187C8FBEB5E82504B43AFB1F77919C9016D2AB5253BE5C0E8C3`
TXT	`anthropic-domain-verification-1afc4p=ftnCfTLP2eNPkF1S8s9V9yWLW`
SOA	`ns1-04.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

`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=1784984012

WOT: SAFE (64/100)

Subdomains

mail.cusi.com

Same first word

cusi.kr

cusi.me

cusi.de

cusi.net

cusi.com

cusi.online

cusi.it

cusi.ca

cusi.fr

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cusi.biz

cusi.org

cusi.co

cusi.cn

cusi.be

cusi.ru

Similar names

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iusc.com

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iscu.net

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ucsi.org.cn

ucis.ac.th

usic.asia

ucis.ru

sicu.it

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siuc.de

ucsi.com

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cisu.ru

sicu.info

csui.cn

sicu.org

cisu.it

cuis.cn

ucsi.cc

uics.ca

cius.nl

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ucis.nl

DNS History

11 records (6 active, 5 former)

●NSns1-04.azure-dns.com2026-04-01 → 2026-07-25 · 3 obs

○ 2017-05-06 09:09:34
● 2026-04-01 07:20:52
● 2026-07-25 13:02:26

○NSns10.worldnic.com2015-08-23 → 2017-05-06 · 4 obs

● 2015-08-23 04:42:00
● 2017-05-06 09:09:34
○ 2026-04-01 07:20:52
○ 2026-07-25 13:02:26

●NSns2-04.azure-dns.net2026-04-01 → 2026-07-25 · 3 obs

○ 2017-05-06 09:09:34
● 2026-04-01 07:20:52
● 2026-07-25 13:02:26

●NSns3-04.azure-dns.org2026-04-01 → 2026-07-25 · 3 obs

○ 2017-05-06 09:09:34
● 2026-04-01 07:20:52
● 2026-07-25 13:02:26

●NSns4-04.azure-dns.info2026-04-01 → 2026-07-25 · 3 obs

○ 2017-05-06 09:09:34
● 2026-04-01 07:20:52
● 2026-07-25 13:02:26

○NSns9.worldnic.com2015-08-23 → 2017-05-06 · 4 obs

● 2015-08-23 04:42:00
● 2017-05-06 09:09:34
○ 2026-04-01 07:20:52
○ 2026-07-25 13:02:26

○MXcloud3.spamtitan.com2015-08-23 → 2017-05-06 · 4 obs

● 2015-08-23 04:42:00
● 2017-05-06 09:09:34
○ 2026-04-01 07:20:52
○ 2026-07-25 13:02:26

○MXcloud4.spamtitan.com2015-08-23 → 2017-05-06 · 4 obs

● 2015-08-23 04:42:00
● 2017-05-06 09:09:34
○ 2026-04-01 07:20:52
○ 2026-07-25 13:02:26

●MXcusi-com.mail.protection.outlook.com2026-04-01 → 2026-07-25 · 3 obs

○ 2017-05-06 09:09:34
● 2026-04-01 07:20:52
● 2026-07-25 13:02:26

○A173.203.172.892015-08-23 → 2017-05-06 · 4 obs

● 2015-08-23 04:42:00
● 2017-05-06 09:09:34
○ 2026-04-01 07:20:52
○ 2026-07-25 13:02:26

●A20.253.122.362026-04-01 → 2026-07-25 · 3 obs

○ 2017-05-06 09:09:34
● 2026-04-01 07:20:52
● 2026-07-25 13:02:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cusi.com	ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info	2 records

✅ Authoritative Response

Server:208.84.5.4

NS records: ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org, ns4-04.azure-dns.info

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cusi.com (unsigned zone)

⏱️ Timing

Total: 385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.253.122.36`
NS	4	`ns1-04.azure-dns.com, ns2-04.azure-dns.net...`
MX	1	`cusi-com.mail.protection.outlook.com (pr`
TXT	13	`cReSqaquuzGiwfb/G1k7OVEd+imNR0ZgeMWandzQ, MS=ms43832759...`
SOA	1	`ns1-04.azure-dns.com azuredns-hostmaster`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1-04.azure-dns.com, ns1-04.azure-dns.com)

Analysis

Hierarchy

mail.cusi.com is a subdomain of cusi.com.

IP Addresses

cusi.com resolves to one IP address: 20.253.122.36.

Name Servers

The authoritative name servers for cusi.com are ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org.

The name servers of cusi.com overlap at least partially with those of other domains — among them efcaquila.co.uk, hotmsil.co.uk, dms-cn.com and two more.

Each of the four hosts ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org has two IP addresses. ns1-04.azure-dns.com points to 13.107.236.4 and 2603:1061:0:700::4. ns4-04.azure-dns.info points to 208.84.5.4 and 2620:1ec:bda:700::4. ns2-04.azure-dns.net points to 150.171.21.4 and 2620:1ec:8ec:700::4. ns3-04.azure-dns.org points to 204.14.183.4 and 2a01:111:4000:700::4.

Mail Servers

Mail for cusi.com is handled by a single mail server, cusi-com.mail.protection.outlook.com.

cusi-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.9.21, 52.101.11.3, 52.101.11.19 and 5 others.