`cusdonline.com`

DNSSEC	⚠️ Not signed
A	3.170.42.11^{🇺🇸 Amazon3.170.40.0/22}
		PTR	`server-3-170-42-11.iad61.r.cloudfront.net`
A	3.170.42.79^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.113^{🇺🇸 Amazon3.170.40.0/22}
A	3.170.42.118^{🇺🇸 Amazon3.170.40.0/22}
NS	`ns-1684.awsdns-18.co.uk` ⭐
		A	2600:9000:5306:9400::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1684.awsdns-18.co.uk`
		A	205.251.198.148^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1684.awsdns-18.co.uk`
NS	`ns-1248.awsdns-28.org`
		A	2600:9000:5304:e000::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1248.awsdns-28.org`
		A	205.251.196.224^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1248.awsdns-28.org`
NS	`ns-374.awsdns-46.com`
		A	2600:9000:5301:7600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-374.awsdns-46.com`
		A	205.251.193.118^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-374.awsdns-46.com`
NS	`ns-617.awsdns-13.net`
		A	2600:9000:5302:6900::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-617.awsdns-13.net`
		A	205.251.194.105^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-617.awsdns-13.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.26^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4003:c30::1b^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulis-in-f27.1e100.net`
		A	74.125.27.27^{🇺🇸 Google74.125.27.0/24}
			PTR	`yutulis-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2607:f8b0:4001:c70::1a^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f26.1e100.net`
		A	192.178.209.27^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f27.1e100.net`
TXT	`google-site-verification=6v173VDt3dPkys8Z8i-FCO4WGQv-iTPYT7z3j0W0xpE`
TXT	`google-site-verification=LcW9cMmF8Y1hQ3yvhMoJJaYxAaDaUZn2d3V3aLFDhcQ`
TXT	`v=spf1 a mx include:spf.mtasv.net include:mail.zendesk.com ~all`
SOA	`ns-1684.awsdns-18.co.uk`awsdns-hostmaster@amazon.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=1771291435

Up

mail01.cusdonline.com

Same first word

cusdonline.net

cusdonline.com

Similar names

DNS History

30 records (13 active, 17 former)

●NSns-1248.awsdns-28.org2026-02-18 → 2026-02-26 · 3 obs

○ 2020-01-01 19:13:52
● 2026-02-18 11:18:58
● 2026-02-26 17:46:08

○NSns-1350.awsdns-40.org2016-12-18 → 2020-01-01 · 4 obs

● 2016-12-18 15:24:58
● 2020-01-01 19:13:52
○ 2026-02-18 11:18:58
○ 2026-02-26 17:46:08

○NSns-1665.awsdns-16.co.uk2016-12-18 → 2020-01-01 · 4 obs

● 2016-12-18 15:24:58
● 2020-01-01 19:13:52
○ 2026-02-18 11:18:58
○ 2026-02-26 17:46:08

●NSns-1684.awsdns-18.co.uk2026-02-18 → 2026-02-26 · 3 obs

○ 2020-01-01 19:13:52
● 2026-02-18 11:18:58
● 2026-02-26 17:46:08

●NSns-374.awsdns-46.com2026-02-18 → 2026-02-26 · 3 obs

○ 2020-01-01 19:13:52
● 2026-02-18 11:18:58
● 2026-02-26 17:46:08

○NSns-39.awsdns-04.com2016-12-18 → 2020-01-01 · 4 obs

● 2016-12-18 15:24:58
● 2020-01-01 19:13:52
○ 2026-02-18 11:18:58
○ 2026-02-26 17:46:08

●NSns-617.awsdns-13.net2026-02-18 → 2026-02-26 · 3 obs

○ 2020-01-01 19:13:52
● 2026-02-18 11:18:58
● 2026-02-26 17:46:08

○NSns-863.awsdns-43.net2016-12-18 → 2020-01-01 · 4 obs

● 2016-12-18 15:24:58
● 2020-01-01 19:13:52
○ 2026-02-18 11:18:58
○ 2026-02-26 17:46:08

●MXalt1.aspmx.l.google.com2016-12-18 → 2026-02-26 · 2 obs

● 2016-12-18 15:24:58
● 2026-02-26 17:46:08

●MXalt2.aspmx.l.google.com2016-12-18 → 2026-02-26 · 2 obs

● 2016-12-18 15:24:58
● 2026-02-26 17:46:08

●MXaspmx.l.google.com2016-12-18 → 2026-02-26 · 2 obs

● 2016-12-18 15:24:58
● 2026-02-26 17:46:08

●MXaspmx2.googlemail.com2016-12-18 → 2026-02-26 · 2 obs

● 2016-12-18 15:24:58
● 2026-02-26 17:46:08

●MXaspmx3.googlemail.com2016-12-18 → 2026-02-26 · 2 obs

● 2016-12-18 15:24:58
● 2026-02-26 17:46:08

○A143.204.47.472020-01-01 → 2020-01-01 · 4 obs

○ 2016-12-18 15:24:58
● 2020-01-01 19:13:52
○ 2026-02-18 11:18:58
○ 2026-02-26 17:46:08

○A143.204.47.542020-01-01 → 2020-01-01 · 4 obs

○ 2016-12-18 15:24:58
● 2020-01-01 19:13:52
○ 2026-02-18 11:18:58
○ 2026-02-26 17:46:08

○A143.204.47.812020-01-01 → 2020-01-01 · 4 obs

○ 2016-12-18 15:24:58
● 2020-01-01 19:13:52
○ 2026-02-18 11:18:58
○ 2026-02-26 17:46:08

○A143.204.47.922020-01-01 → 2020-01-01 · 4 obs

○ 2016-12-18 15:24:58
● 2020-01-01 19:13:52
○ 2026-02-18 11:18:58
○ 2026-02-26 17:46:08

○A18.165.201.1152026-02-18 → 2026-02-25 · 24 obs

○ 2026-02-18 11:18:58
● 2026-02-18 13:31:16
○ 2026-02-19 00:04:12
● 2026-02-19 04:41:12
○ 2026-02-19 05:31:06
○ 2026-02-19 06:29:52
● 2026-02-19 11:36:20
○ 2026-02-19 16:04:06
○ 2026-02-19 20:18:48
● 2026-02-19 22:47:18
● 2026-02-20 01:47:54
○ 2026-02-20 03:30:48
○ 2026-02-20 04:46:24
● 2026-02-20 13:46:50
○ 2026-02-21 08:34:08
● 2026-02-21 11:30:42
○ 2026-02-21 14:04:18
○ 2026-02-22 05:08:30
● 2026-02-22 09:54:04
● 2026-02-22 22:59:44
○ 2026-02-25 09:01:42
● 2026-02-25 10:24:46
○ 2026-02-26 07:40:56
○ 2026-02-26 17:46:08

○A18.165.201.22026-02-18 → 2026-02-25 · 24 obs

○A18.165.201.712026-02-18 → 2026-02-25 · 24 obs

○A18.165.201.942026-02-18 → 2026-02-25 · 24 obs

●A3.170.42.112026-02-19 → 2026-02-26 · 15 obs

○ 2026-02-18 11:18:58
○ 2026-02-19 04:41:12
● 2026-02-19 05:31:06
● 2026-02-19 06:29:52
○ 2026-02-19 11:36:20
● 2026-02-19 16:04:06
○ 2026-02-19 20:18:48
○ 2026-02-20 01:47:54
● 2026-02-20 03:30:48
○ 2026-02-20 04:46:24
○ 2026-02-21 11:30:42
● 2026-02-21 14:04:18
○ 2026-02-22 05:08:30
○ 2026-02-26 07:40:56
● 2026-02-26 17:46:08

●A3.170.42.1132026-02-19 → 2026-02-26 · 15 obs

●A3.170.42.1182026-02-19 → 2026-02-26 · 15 obs

●A3.170.42.792026-02-19 → 2026-02-26 · 15 obs

○A52.222.244.1052026-02-18 → 2026-02-26 · 21 obs

○ 2020-01-01 19:13:52
● 2026-02-18 11:18:58
○ 2026-02-18 13:31:16
● 2026-02-19 00:04:12
○ 2026-02-19 04:41:12
○ 2026-02-19 16:04:06
● 2026-02-19 20:18:48
○ 2026-02-19 22:47:18
○ 2026-02-20 03:30:48
● 2026-02-20 04:46:24
○ 2026-02-20 13:46:50
● 2026-02-21 08:34:08
○ 2026-02-21 11:30:42
○ 2026-02-21 14:04:18
● 2026-02-22 05:08:30
○ 2026-02-22 09:54:04
○ 2026-02-22 22:59:44
● 2026-02-25 09:01:42
○ 2026-02-25 10:24:46
● 2026-02-26 07:40:56
○ 2026-02-26 17:46:08

○A52.222.244.52026-02-18 → 2026-02-26 · 21 obs

○A52.222.244.592026-02-18 → 2026-02-26 · 21 obs

○A52.222.244.812026-02-18 → 2026-02-26 · 21 obs

○A54.231.82.572016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 15:24:58
○ 2020-01-01 19:13:52
○ 2026-02-26 17:46:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
cusdonline.com	ns-617.awsdns-13.net, ns-374.awsdns-46.com, ns-1684.awsdns-18.co.uk, ns-1248.awsdns-28.org	1 record

✅ Authoritative Response

Server: 205.251.196.224

NS records: ns-617.awsdns-13.net, ns-374.awsdns-46.com, ns-1684.awsdns-18.co.uk, ns-1248.awsdns-28.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cusdonline.com (unsigned zone)

⏱️ Timing

Total: 535ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.42.11, 3.170.42.79...`
NS	4	`ns-1248.awsdns-28.org, ns-1684.awsdns-18.co.uk...`
MX	5	`aspmx.l.google.com (pri: 1), aspmx2.googlemail.com (pri: 10)...`
TXT	3	`google-site-verification=6v173VDt3dPkys8, google-site-verification=LcW9cMmF8Y1hQ3y...`
SOA	1	`ns-1684.awsdns-18.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-374.awsdns-46.com)

AI analysis

cusdonline.com is the parent of mail01.cusdonline.com.

cusdonline.com resolves to four IPs: 3.170.42.11, 3.170.42.79, 3.170.42.113 and 3.170.42.118.

Other host names, for instance www.hertz.com.lk, en-prostivox.systeme.io, boostedblue.support, hedrajikko.systeme.io and primallionmagnumextreme.systeme.io share IP numbers with cusdonline.com.

cusdonline.com is delegated to four name servers: ns-374.awsdns-46.com, ns-617.awsdns-13.net, ns-1248.awsdns-28.org and ns-1684.awsdns-18.co.uk.

cusdonline.com shares some name servers with other domains, for example d2jqd13f29uorf.cloudfront.net, paruvendu.de, mobisuper.com.au, humaneconsulting.com.ec and glubb.net.

Host names with two IP numbers

Two IPs per host:

ns-374.awsdns-46.com points to 2600:9000:5301:7600::1 and 205.251.193.118

ns-617.awsdns-13.net points to 2600:9000:5302:6900::1 and 205.251.194.105

ns-1248.awsdns-28.org points to 2600:9000:5304:e000::1 and 205.251.196.224

ns-1684.awsdns-18.co.uk points to 2600:9000:5306:9400::1 and 205.251.198.148

cusdonline.com is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

cusdonline.com shares some mail servers with other domains, at least partially; for instance drspa.org, akvlhova.sk, genesyshealth.net, npexports.com and tickely.com.