🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`4io.us`

DNSSEC	⚠️ Not signed
A	54.189.160.19^{🇺🇸 Amazon54.188.0.0/15 EC2 PDX prefix}
		PTR	`ec2-54-189-160-19.us-west-2.compute.amazonaws.com`
NS	`brit.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a4e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c04e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`brit.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:204e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`brit.ns.cloudflare.com`
		A	108.162.192.78^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	172.64.32.78^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
		A	173.245.58.78^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`brit.ns.cloudflare.com`
NS	`frank.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`frank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`frank.ns.cloudflare.com`
		A	108.162.193.166^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	172.64.33.166^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
		A	173.245.59.166^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`frank.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=7Fs4aAgwiaOICu_G2_Np_7opOZiHmwBj2wazh10Td18`
SOA	`brit.ns.cloudflare.com`dns@cloudflare.com serial=2411674835

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1786959362

Same first word

4io.casino

4io.buzz

4io.us

4io.ai

4io.co

4io.mobi

4io.de

Similar names

io4.us

io4.com

o4i.es

i4o.eu

oi4.me

4oi.ru

oi4.net

o4i.org

i4o.ru

4oi.cn

o4i.com

io4.es

io4.de

o4i.eu

io4.me

i4o.casino

i4o.xyz

o4i.se

i4o.org

o4i.com.au

i4o.net

io4.co

io4.co.uk

o4i.co.uk

4oi.org

4oi.ai

io4.cc

i4o.com

4oi.net

o4i.ru

oi4.casino

DNS History

14 records (8 active, 6 former)

●NSbrit.ns.cloudflare.com2026-06-09 → 2026-08-17 · 3 obs

○ 2017-03-24 23:38:04
● 2026-06-09 05:57:36
● 2026-08-17 09:44:34

●NSfrank.ns.cloudflare.com2026-06-09 → 2026-08-17 · 3 obs

○ 2017-03-24 23:38:04
● 2026-06-09 05:57:36
● 2026-08-17 09:44:34

○NSns1.mydyndns.org2015-06-24 → 2017-03-24 · 4 obs

● 2015-06-24 06:51:32
● 2017-03-24 23:38:04
○ 2026-06-09 05:57:36
○ 2026-08-17 09:44:34

○NSns1135.dns.dyn.com2015-06-24 → 2017-03-24 · 4 obs

● 2015-06-24 06:51:32
● 2017-03-24 23:38:04
○ 2026-06-09 05:57:36
○ 2026-08-17 09:44:34

○NSns2191.dns.dyn.com2015-06-24 → 2017-03-24 · 4 obs

● 2015-06-24 06:51:32
● 2017-03-24 23:38:04
○ 2026-06-09 05:57:36
○ 2026-08-17 09:44:34

○NSns3195.dns.dyn.com2015-06-24 → 2017-03-24 · 4 obs

● 2015-06-24 06:51:32
● 2017-03-24 23:38:04
○ 2026-06-09 05:57:36
○ 2026-08-17 09:44:34

○NSns4143.dns.dyn.com2015-06-24 → 2017-03-24 · 4 obs

● 2015-06-24 06:51:32
● 2017-03-24 23:38:04
○ 2026-06-09 05:57:36
○ 2026-08-17 09:44:34

●MXalt1.aspmx.l.google.com2015-06-24 → 2026-08-17 · 2 obs

● 2015-06-24 06:51:32
● 2026-08-17 09:44:34

●MXalt2.aspmx.l.google.com2015-06-24 → 2026-08-17 · 2 obs

● 2015-06-24 06:51:32
● 2026-08-17 09:44:34

●MXalt3.aspmx.l.google.com2026-06-09 → 2026-08-17 · 3 obs

○ 2015-06-24 06:51:32
● 2026-06-09 05:57:36
● 2026-08-17 09:44:34

●MXalt4.aspmx.l.google.com2026-06-09 → 2026-08-17 · 3 obs

○ 2015-06-24 06:51:32
● 2026-06-09 05:57:36
● 2026-08-17 09:44:34

●MXaspmx.l.google.com2015-06-24 → 2026-08-17 · 2 obs

● 2015-06-24 06:51:32
● 2026-08-17 09:44:34

○A108.171.177.2202015-06-24 → 2017-03-24 · 4 obs

● 2015-06-24 06:51:32
● 2017-03-24 23:38:04
○ 2026-06-09 05:57:36
○ 2026-08-17 09:44:34

●A54.189.160.192026-06-09 → 2026-08-17 · 3 obs

○ 2017-03-24 23:38:04
● 2026-06-09 05:57:36
● 2026-08-17 09:44:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	n.cctld.us, k.cctld.us, x.cctld.us, f.cctld.us...	16 records
4io.us	frank.ns.cloudflare.com, brit.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.166

NS records: frank.ns.cloudflare.com, brit.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4io.us (unsigned zone)

⏱️ Timing

Total: 1121ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.189.160.19`
NS	2	`brit.ns.cloudflare.com, frank.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`google-site-verification=7Fs4aAgwiaOICu_`
SOA	1	`brit.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (b.cctld.us, f.cctld.us, k.cctld.us...)

Analysis

IP Addresses

4io.us has exactly one IP address — 54.189.160.19.

Name Servers

DNS delegation for 4io.us points to two name servers: brit.ns.cloudflare.com and frank.ns.cloudflare.com.

The name server configuration of 4io.us is shared with other domains, for instance innlebanon.com, prxmdr.com, depra.net and two others.

There is at least partial name server overlap between 4io.us and other domains — gnk7.com, dalionaxa.com, indexkantrexx.net and two more among them.

These name servers are routinely deployed together with the name servers beth.ns.cloudflare.com.

Hosts with 6 IP addresses each:

brit.ns.cloudflare.com has IP addresses 108.162.192.78, 172.64.32.78 and 173.245.58.78, plus 3 other.

frank.ns.cloudflare.com has IP addresses 108.162.193.166, 172.64.33.166 and 173.245.59.166, plus 3 other.

Mail Servers

Five mail servers handle 4io.us: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

At least some of the mail servers used by 4io.us are shared with other domains: tridentinsuranceagency.com, tmtrblog.wpengine.com, readfeedme.com and two others among them.

These mail servers often appear in conjunction with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names pointing to two IP addresses:

aspmx.l.google.com has two IP addresses: 192.178.155.26 and 2607:f8b0:4004:c1f::1b.

alt1.aspmx.l.google.com has two IP addresses: 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.