`co3.io`

DNSSEC	⚠️ Not signed
A	3.78.164.33^{🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix}
		PTR	`ec2-3-78-164-33.eu-central-1.compute.amazonaws.com`
A	3.123.238.248^{🇩🇪 Amazon3.120.0.0/14 EC2 FRA prefix}
A	18.159.226.72^{🇩🇪 Amazon18.156.0.0/14 EC2 FRA prefix}
NS	`ns-118.awsdns-14.com` ⭐
		A	2600:9000:5300:7600::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-118.awsdns-14.com`
		A	205.251.192.118^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-118.awsdns-14.com`
NS	`ns-1101.awsdns-09.org`
		A	2600:9000:5304:4d00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1101.awsdns-09.org`
		A	205.251.196.77^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1101.awsdns-09.org`
NS	`ns-1880.awsdns-43.co.uk`
		A	2600:9000:5307:5800::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1880.awsdns-43.co.uk`
		A	205.251.199.88^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1880.awsdns-43.co.uk`
NS	`ns-706.awsdns-24.net`
		A	2600:9000:5302:c200::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-706.awsdns-24.net`
		A	205.251.194.194^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-706.awsdns-24.net`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.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::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.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::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
MX	`ms12883028.msv1.invalid`^(32767)
TXT	`google-site-verification=2vo1wrZoO2u8JcoWQI8KlhTZjd5oz0eKuZ0QrGGZFO8`
TXT	`v=spf1 include:_spf.google.com include:_spf.salesforce.com include:_spf.getre...`
SOA	`ns-118.awsdns-14.com`awsdns-hostmaster@amazon.com serial=1

`io`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.nic.io` ⭐
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`
	SOA	`a0.nic.io`hostmaster@donuts.email serial=1784878144

Same first word

co3.associates

co3.org

co3.com.mx

co3.online

co3.in

co3.partners

co3.it

co3.io

co3.co.jp

co3.ru

co3.jp

co3.se

co3.institute

co3.de

co3.com

co3.amsterdam

co3.biz

co3.cn

co3.co.uk

co3.cl

co3.pl

co3.tv

co3.us

co3.xyz

co3.lu

co3.dk

co3.bz

co3.fr

co3.top

co3.eu

co3.com.br

co3.nl

co3.hu

co3.co

co3.at

Similar names

oc3.ca

oc3.co

c3o.com

3co.cn

3co.com.br

o3c.xyz

3co.in

c3o.it

oc3.co.uk

oc3.info

3oc.de

c3o.ru

oc3.com.br

oc3.net

3co.com.tw

3co.net

c3o.org

o3c.co.uk

3co.ca

3co.co

3co.us

o3c.ch

3co.clothing

3co.biz

oc3.eu

3oc.com

oc3.com

o3c.me

3co.org

c3o.cn

c3o.net

o3c.se

3co.ru

3oc.se

3co.de

oc3.be

3oc.net

c3o.de

3co.co.uk

3co.ch

o3c.com.br

3co.jp

oc3.jp

oc3.ru

o3c.com

3co.ai

3co.me

oc3.fr

3co.cc

3co.com

3co.fr

oc3.de

o3c.net

o3c.biz

oc3.dev

DNS History

37 records (13 active, 24 former)

●NSns-1101.awsdns-09.org2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●NSns-118.awsdns-14.com2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●NSns-1880.awsdns-43.co.uk2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●NSns-706.awsdns-24.net2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●MXalt1.aspmx.l.google.com2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●MXalt2.aspmx.l.google.com2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●MXalt3.aspmx.l.google.com2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●MXalt4.aspmx.l.google.com2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●MXaspmx.l.google.com2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

●MXms12883028.msv1.invalid2026-03-24 → 2026-07-24 · 2 obs

● 2026-03-24 06:38:18
● 2026-07-24 07:51:36

○A18.153.197.2192026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-02 05:57:56
● 2026-06-04 14:49:22
○ 2026-06-06 00:56:34
○ 2026-07-24 07:51:36

●A18.159.226.722026-07-24 → 2026-07-24 · 2 obs

○ 2026-07-13 12:11:40
● 2026-07-24 07:51:36

○A18.192.32.892026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-02 05:57:56
● 2026-06-04 14:49:22
○ 2026-06-06 00:56:34
○ 2026-07-24 07:51:36

○A18.198.234.1662026-03-24 → 2026-03-24 · 3 obs

● 2026-03-24 06:38:18
○ 2026-03-29 08:55:42
○ 2026-07-24 07:51:36

○A18.199.32.382026-07-13 → 2026-07-13 · 3 obs

○ 2026-06-29 23:38:44
● 2026-07-13 12:11:40
○ 2026-07-24 07:51:36

○A3.120.220.982026-03-29 → 2026-04-04 · 5 obs

○ 2026-03-24 06:38:18
● 2026-03-29 08:55:42
● 2026-04-04 21:51:18
○ 2026-04-25 06:01:10
○ 2026-07-24 07:51:36

○A3.121.168.2512026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-04 14:49:22
● 2026-06-06 00:56:34
○ 2026-06-08 02:45:34
○ 2026-07-24 07:51:36

○A3.121.67.182026-03-29 → 2026-04-04 · 5 obs

○ 2026-03-24 06:38:18
● 2026-03-29 08:55:42
● 2026-04-04 21:51:18
○ 2026-04-25 06:01:10
○ 2026-07-24 07:51:36

●A3.123.238.2482026-07-24 → 2026-07-24 · 2 obs

○ 2026-07-13 12:11:40
● 2026-07-24 07:51:36

○A3.125.230.1522026-06-08 → 2026-06-08 · 4 obs

○ 2026-06-06 00:56:34
● 2026-06-08 02:45:34
○ 2026-07-13 12:11:40
○ 2026-07-24 07:51:36

○A3.66.238.1012026-06-04 → 2026-06-04 · 4 obs

○ 2026-05-02 05:57:56
● 2026-06-04 14:49:22
○ 2026-06-06 00:56:34
○ 2026-07-24 07:51:36

○A3.74.244.282026-06-08 → 2026-06-12 · 5 obs

○ 2026-06-06 00:56:34
● 2026-06-08 02:45:34
● 2026-06-12 12:08:20
○ 2026-06-29 23:38:44
○ 2026-07-24 07:51:36

○A3.77.177.2122026-04-25 → 2026-05-02 · 5 obs

○ 2026-04-04 21:51:18
● 2026-04-25 06:01:10
● 2026-05-02 05:57:56
○ 2026-06-04 14:49:22
○ 2026-07-24 07:51:36

●A3.78.164.332026-07-24 → 2026-07-24 · 2 obs

○ 2026-07-13 12:11:40
● 2026-07-24 07:51:36

○A35.156.62.2252026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-12 12:08:20
● 2026-06-29 23:38:44
○ 2026-07-13 12:11:40
○ 2026-07-24 07:51:36

○A52.28.44.272026-03-24 → 2026-03-24 · 3 obs

● 2026-03-24 06:38:18
○ 2026-03-29 08:55:42
○ 2026-07-24 07:51:36

○A52.29.180.292026-04-25 → 2026-04-25 · 4 obs

○ 2026-04-04 21:51:18
● 2026-04-25 06:01:10
○ 2026-04-25 21:35:12
○ 2026-07-24 07:51:36

○A52.29.225.872026-06-08 → 2026-06-12 · 5 obs

○ 2026-06-06 00:56:34
● 2026-06-08 02:45:34
● 2026-06-12 12:08:20
○ 2026-06-29 23:38:44
○ 2026-07-24 07:51:36

○A52.57.49.652026-04-25 → 2026-05-02 · 5 obs

○ 2026-04-04 21:51:18
● 2026-04-25 06:01:10
● 2026-05-02 05:57:56
○ 2026-06-04 14:49:22
○ 2026-07-24 07:51:36

○A63.177.126.2292026-06-29 → 2026-06-29 · 4 obs

○ 2026-06-12 12:08:20
● 2026-06-29 23:38:44
○ 2026-07-13 12:11:40
○ 2026-07-24 07:51:36

○A63.180.160.392026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-04 14:49:22
● 2026-06-06 00:56:34
○ 2026-06-08 02:45:34
○ 2026-07-24 07:51:36

○A63.181.232.2092026-03-29 → 2026-04-04 · 5 obs

○ 2026-03-24 06:38:18
● 2026-03-29 08:55:42
● 2026-04-04 21:51:18
○ 2026-04-25 06:01:10
○ 2026-07-24 07:51:36

○A63.182.87.572026-07-13 → 2026-07-13 · 3 obs

○ 2026-06-29 23:38:44
● 2026-07-13 12:11:40
○ 2026-07-24 07:51:36

○A63.182.93.1682026-04-25 → 2026-05-02 · 5 obs

○ 2026-04-25 06:01:10
● 2026-04-25 21:35:12
● 2026-05-02 05:57:56
○ 2026-06-04 14:49:22
○ 2026-07-24 07:51:36

○A63.183.114.1242026-07-13 → 2026-07-13 · 3 obs

○ 2026-06-29 23:38:44
● 2026-07-13 12:11:40
○ 2026-07-24 07:51:36

○A63.183.179.2372026-03-24 → 2026-03-24 · 3 obs

● 2026-03-24 06:38:18
○ 2026-03-29 08:55:42
○ 2026-07-24 07:51:36

○A63.185.98.2212026-06-06 → 2026-06-06 · 4 obs

○ 2026-06-04 14:49:22
● 2026-06-06 00:56:34
○ 2026-06-08 02:45:34
○ 2026-07-24 07:51:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	c0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io	-
co3.io	ns-706.awsdns-24.net, ns-118.awsdns-14.com, ns-1880.awsdns-43.co.uk, ns-1101.awsdns-09.org	-

✅ Authoritative Response

Server:205.251.194.194

NS records: ns-706.awsdns-24.net, ns-118.awsdns-14.com, ns-1880.awsdns-43.co.uk, ns-1101.awsdns-09.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for co3.io (unsigned zone)

⏱️ Timing

Total: 462ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`3.123.238.248, 3.78.164.33...`
NS	4	`ns-1101.awsdns-09.org, ns-118.awsdns-14.com...`
MX	6	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=2vo1wrZoO2u8Jco, v=spf1 include:_spf.google.com include:_`
SOA	1	`ns-118.awsdns-14.com awsdns-hostmaster.a`

Analysis

IP Addresses

co3.io points to three IP numbers, namely 3.78.164.33, 3.123.238.248 and 18.159.226.72.

Name Servers

The authoritative name servers for co3.io are ns-118.awsdns-14.com, ns-706.awsdns-24.net, ns-1101.awsdns-09.org and ns-1880.awsdns-43.co.uk.

At least some of co3.io's name servers are shared with other domains, for example d2gkp56v5u1zv8.cloudfront.net, contentoagency.com, artisanbtp.com and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-118.awsdns-14.com directs to 205.251.192.118 and 2600:9000:5300:7600::1; ns-706.awsdns-24.net directs to 205.251.194.194 and 2600:9000:5302:c200::1; ns-1101.awsdns-09.org directs to 205.251.196.77 and 2600:9000:5304:4d00::1; ns-1880.awsdns-43.co.uk directs to 205.251.199.88 and 2600:9000:5307:5800::1.

Mail Servers

co3.io uses 6 mail servers for delivery: ms12883028.msv1.invalid, aspmx.l.google.com, alt1.aspmx.l.google.com and 3 other.

co3.io has at least partial mail server overlap with other domains such as blogestudio.com, mcestudios.com, hinmanassociates.com and two more.

These mail servers commonly co-occur with mail servers alt2.aspmx.l.google.com, alt4.aspmx.l.google.com, alt3.aspmx.l.google.com and 4 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.167.27 and 2607:f8b0:4004:c19::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.