`doubleup.io`

DNSSEC	⚠️ Not signed
A	3.162.112.4^{🇺🇸 Amazon3.162.112.0/21}
		PTR	`server-3-162-112-4.iad61.r.cloudfront.net`
A	3.162.112.62^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.73^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.90^{🇺🇸 Amazon3.162.112.0/21}
NS	`ns-1133.awsdns-13.org` ⭐
		A	2600:9000:5304:6d00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1133.awsdns-13.org`
		A	205.251.196.109^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1133.awsdns-13.org`
NS	`ns-1564.awsdns-03.co.uk`
		A	2600:9000:5306:1c00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1564.awsdns-03.co.uk`
		A	205.251.198.28^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1564.awsdns-03.co.uk`
NS	`ns-240.awsdns-30.com`
		A	2600:9000:5300:f000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-240.awsdns-30.com`
		A	205.251.192.240^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-240.awsdns-30.com`
NS	`ns-746.awsdns-29.net`
		A	2600:9000:5302:ea00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-746.awsdns-29.net`
		A	205.251.194.234^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-746.awsdns-29.net`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-5-236.compute-1.amazonaws.com`
TXT	`google-site-verification=RVL2XOtewY1FzcAWMtE17pqf2M9gv1mDP3HKmh5LjfA`
TXT	`v=spf1 include:amazonses.com ~all`
SOA	`ns-1133.awsdns-13.org`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=1774619662

Same first word

doubleup.it

doubleup.be

doubleup.pro

doubleup.io

doubleup.net

doubleup.org

doubleup.agency

doubleup.eu

doubleup.com.tr

doubleup.dk

doubleup.de

doubleup.com.au

doubleup.com

doubleup.fun

Similar names

updouble.com

DNS History

21 records (9 active, 12 former)

●NSns-1133.awsdns-13.org2026-03-22 → 2026-03-27 · 2 obs

● 2026-03-22 05:36:46
● 2026-03-27 14:22:14

●NSns-1564.awsdns-03.co.uk2026-03-22 → 2026-03-27 · 2 obs

● 2026-03-22 05:36:46
● 2026-03-27 14:22:14

●NSns-240.awsdns-30.com2026-03-22 → 2026-03-27 · 2 obs

● 2026-03-22 05:36:46
● 2026-03-27 14:22:14

●NSns-746.awsdns-29.net2026-03-22 → 2026-03-27 · 2 obs

● 2026-03-22 05:36:46
● 2026-03-27 14:22:14

●MXinbound-smtp.us-east-1.amazonaws.com2026-03-22 → 2026-03-27 · 2 obs

● 2026-03-22 05:36:46
● 2026-03-27 14:22:14

○A108.156.22.1062026-03-23 → 2026-03-24 · 7 obs

○ 2026-03-23 03:22:22
● 2026-03-23 08:27:04
○ 2026-03-23 12:33:36
○ 2026-03-24 02:53:20
● 2026-03-24 03:33:44
○ 2026-03-24 09:05:22
○ 2026-03-27 14:22:14

○A108.156.22.542026-03-23 → 2026-03-24 · 7 obs

○ 2026-03-23 03:22:22
● 2026-03-23 08:27:04
○ 2026-03-23 12:33:36
○ 2026-03-24 02:53:20
● 2026-03-24 03:33:44
○ 2026-03-24 09:05:22
○ 2026-03-27 14:22:14

○A108.156.22.762026-03-23 → 2026-03-24 · 7 obs

○ 2026-03-23 03:22:22
● 2026-03-23 08:27:04
○ 2026-03-23 12:33:36
○ 2026-03-24 02:53:20
● 2026-03-24 03:33:44
○ 2026-03-24 09:05:22
○ 2026-03-27 14:22:14

○A108.156.22.872026-03-23 → 2026-03-24 · 7 obs

○ 2026-03-23 03:22:22
● 2026-03-23 08:27:04
○ 2026-03-23 12:33:36
○ 2026-03-24 02:53:20
● 2026-03-24 03:33:44
○ 2026-03-24 09:05:22
○ 2026-03-27 14:22:14

●A3.162.112.42026-03-23 → 2026-03-27 · 10 obs

○ 2026-03-23 08:27:04
● 2026-03-23 12:33:36
○ 2026-03-23 16:17:20
○ 2026-03-24 09:05:22
● 2026-03-24 13:26:42
● 2026-03-24 17:02:34
○ 2026-03-24 18:32:48
○ 2026-03-27 00:42:16
● 2026-03-27 14:22:08
● 2026-03-27 14:22:14

●A3.162.112.622026-03-23 → 2026-03-27 · 10 obs

●A3.162.112.732026-03-23 → 2026-03-27 · 10 obs

●A3.162.112.902026-03-23 → 2026-03-27 · 10 obs

○A3.166.65.1142026-03-23 → 2026-03-27 · 14 obs

○ 2026-03-22 05:36:46
● 2026-03-23 03:22:22
○ 2026-03-23 08:27:04
○ 2026-03-23 12:33:36
● 2026-03-23 16:17:20
● 2026-03-24 02:53:20
○ 2026-03-24 03:33:44
● 2026-03-24 09:05:22
○ 2026-03-24 13:26:42
○ 2026-03-24 17:02:34
● 2026-03-24 18:32:48
● 2026-03-27 00:42:16
○ 2026-03-27 14:22:08
○ 2026-03-27 14:22:14

○A3.166.65.1242026-03-23 → 2026-03-27 · 14 obs

○A3.166.65.492026-03-23 → 2026-03-27 · 14 obs

○A3.166.65.952026-03-23 → 2026-03-27 · 14 obs

○A3.167.212.272026-03-22 → 2026-03-22 · 3 obs

● 2026-03-22 05:36:46
○ 2026-03-23 03:22:22
○ 2026-03-27 14:22:14

○A3.167.212.792026-03-22 → 2026-03-22 · 3 obs

● 2026-03-22 05:36:46
○ 2026-03-23 03:22:22
○ 2026-03-27 14:22:14

○A3.167.212.922026-03-22 → 2026-03-22 · 3 obs

● 2026-03-22 05:36:46
○ 2026-03-23 03:22:22
○ 2026-03-27 14:22:14

○A3.167.212.972026-03-22 → 2026-03-22 · 3 obs

● 2026-03-22 05:36:46
○ 2026-03-23 03:22:22
○ 2026-03-27 14:22:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
io	a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io	-
doubleup.io	ns-746.awsdns-29.net, ns-1133.awsdns-13.org, ns-240.awsdns-30.com, ns-1564.awsdns-03.co.uk	-

✅ Authoritative Response

Server:205.251.194.234

NS records: ns-746.awsdns-29.net, ns-1133.awsdns-13.org, ns-240.awsdns-30.com, ns-1564.awsdns-03.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubleup.io (unsigned zone)

⏱️ Timing

Total: 479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.162.112.73, 3.162.112.4...`
NS	4	`ns-1133.awsdns-13.org, ns-1564.awsdns-03.co.uk...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	2	`google-site-verification=RVL2XOtewY1FzcA, v=spf1 include:amazonses.com ~all`
SOA	1	`ns-1133.awsdns-13.org awsdns-hostmaster.`

Analysis

IP Addresses

doubleup.io points to four IP numbers: 3.162.112.4, 3.162.112.62, 3.162.112.73 and 3.162.112.90.

For instance, other host names d2seon4rkdtg50.cloudfront.net, d6jmtx3ydlt78.cloudfront.net, www.teamworksapp.com, litvpcfreevccyembeddedplayer-cfront.svc.litv.tv and steamvr.jp share IP numbers with doubleup.io.

Name Servers

doubleup.io is delegated to four name servers: ns-240.awsdns-30.com, ns-746.awsdns-29.net, ns-1133.awsdns-13.org and ns-1564.awsdns-03.co.uk.

doubleup.io shares name servers with other domains at least partially, for example tripadvisor.fr, soundweave.jp, turtlebayresort.com, dsspk5kw0ra2y.cloudfront.net and ollieanddarsh.co.uk.

Host names with two IP numbers:

ns-240.awsdns-30.com points to: 2600:9000:5300:f000::1 and 205.251.192.240

ns-746.awsdns-29.net points to: 2600:9000:5302:ea00::1 and 205.251.194.234

ns-1133.awsdns-13.org points to: 2600:9000:5304:6d00::1 and 205.251.196.109

ns-1564.awsdns-03.co.uk points to: 2600:9000:5306:1c00::1 and 205.251.198.28

Mail Servers

doubleup.io is handled by a single mail server, inbound-smtp.us-east-1.amazonaws.com.

doubleup.io shares the same mail server setup as other domains, for instance oaksystems.net, amplifide.net, throughcracks.slack.com, alexsc.slack.com and caretrainr.com.

doubleup.io shares mail servers with other domains at least partially; for instance mobicontrolcloud.com, trademotions.com, linkdevelopment.atlassian.net, json.atlassian.net and sibelga.atlassian.net.

these mail servers are commonly used with the mail servers inbound-smtp.us-west-2.amazonaws.com.

inbound-smtp.us-east-1.amazonaws.com points to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32, 54.164.173.191 and 54.197.5.236.

doubleup.io - robtex.com

doubleup.io

io

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`doubleup.io`

`io`