`doubly.app`

DNSSEC	⚠️ Not signed
A	99.84.234.49^{🇺🇸 Amazon99.84.232.0/22}
		PTR	`server-99-84-234-49.jfk50.r.cloudfront.net`
A	99.84.234.64^{🇺🇸 Amazon99.84.232.0/22}
A	99.84.234.77^{🇺🇸 Amazon99.84.232.0/22}
A	99.84.234.80^{🇺🇸 Amazon99.84.232.0/22}
NS	`ns-1607.awsdns-08.co.uk` ⭐
		A	2600:9000:5306:4700::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1607.awsdns-08.co.uk`
		A	205.251.198.71^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1607.awsdns-08.co.uk`
NS	`ns-1173.awsdns-18.org`
		A	2600:9000:5304:9500::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1173.awsdns-18.org`
		A	205.251.196.149^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1173.awsdns-18.org`
NS	`ns-192.awsdns-24.com`
		A	2600:9000:5300:c000::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-192.awsdns-24.com`
		A	205.251.192.192^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-192.awsdns-24.com`
NS	`ns-797.awsdns-35.net`
		A	2600:9000:5303:1d00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-797.awsdns-35.net`
		A	205.251.195.29^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-797.awsdns-35.net`
SOA	`ns-1607.awsdns-08.co.uk`awsdns-hostmaster@amazon.com serial=1

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

doubly.it

doubly.io

doubly.com

doubly.so

doubly.net

doubly.app

Similar names

luodby.com

byloud.com

dblyou.com

buydlo.com

loudby.com

bloudy.com

DNS History

32 records (8 active, 24 former)

●NSns-1173.awsdns-18.org2026-02-26 → 2026-03-22 · 2 obs

● 2026-02-26 17:45:52
● 2026-03-22 16:48:34

●NSns-1607.awsdns-08.co.uk2026-02-26 → 2026-03-22 · 2 obs

● 2026-02-26 17:45:52
● 2026-03-22 16:48:34

●NSns-192.awsdns-24.com2026-02-26 → 2026-03-22 · 2 obs

● 2026-02-26 17:45:52
● 2026-03-22 16:48:34

●NSns-797.awsdns-35.net2026-02-26 → 2026-03-22 · 2 obs

● 2026-02-26 17:45:52
● 2026-03-22 16:48:34

○A13.226.144.312026-02-27 → 2026-03-22 · 128 obs

○ 2026-02-27 08:30:08
● 2026-02-27 09:18:14
○ 2026-02-27 12:03:06
○ 2026-02-27 12:38:10
● 2026-02-27 15:28:34
○ 2026-02-27 22:25:44
○ 2026-02-28 05:00:58
● 2026-02-28 05:42:56
○ 2026-02-28 15:40:46
○ 2026-02-28 17:39:18
● 2026-02-28 21:24:02
○ 2026-02-28 23:38:54
○ 2026-03-01 00:47:50
● 2026-03-01 02:51:00
● 2026-03-02 01:28:32
○ 2026-03-02 05:06:40
● 2026-03-02 08:50:26
● 2026-03-02 22:16:10
○ 2026-03-03 00:12:28
○ 2026-03-03 00:53:50
● 2026-03-03 01:28:48
● 2026-03-03 23:47:50
○ 2026-03-04 06:40:34
○ 2026-03-04 08:23:54
● 2026-03-04 09:00:04
● 2026-03-04 23:49:32
○ 2026-03-05 03:25:30
○ 2026-03-05 04:12:14
● 2026-03-05 06:39:36
○ 2026-03-05 08:24:42
○ 2026-03-05 12:56:22
● 2026-03-05 21:08:36
○ 2026-03-06 00:14:06
● 2026-03-06 03:15:50
○ 2026-03-06 04:57:38
● 2026-03-06 08:59:24
○ 2026-03-06 14:55:24
○ 2026-03-06 20:52:56
● 2026-03-06 21:25:32
● 2026-03-07 01:05:24
○ 2026-03-07 01:35:38
● 2026-03-07 03:31:34
○ 2026-03-07 12:45:16
○ 2026-03-08 00:11:38
● 2026-03-08 02:44:36
● 2026-03-08 07:00:58
○ 2026-03-08 20:13:58
● 2026-03-08 21:28:36
○ 2026-03-08 22:06:46
● 2026-03-08 23:45:50
○ 2026-03-09 00:58:30
● 2026-03-09 03:21:18
● 2026-03-10 02:15:50
○ 2026-03-10 08:18:12
● 2026-03-10 09:08:08
○ 2026-03-11 06:45:12
○ 2026-03-11 09:43:20
● 2026-03-11 12:08:20
● 2026-03-11 14:53:04
○ 2026-03-11 17:16:50
● 2026-03-11 20:47:38
● 2026-03-12 01:43:42
○ 2026-03-12 14:34:36
○ 2026-03-12 17:58:44
● 2026-03-12 19:59:26
● 2026-03-12 21:18:36
○ 2026-03-13 00:12:00
● 2026-03-13 02:06:10
○ 2026-03-13 07:40:20
○ 2026-03-13 08:28:22
● 2026-03-13 09:01:38
○ 2026-03-13 23:26:28
○ 2026-03-14 01:28:44
● 2026-03-14 02:17:32
○ 2026-03-14 03:37:26
○ 2026-03-14 05:50:22
● 2026-03-14 09:14:06
○ 2026-03-14 11:36:22
○ 2026-03-14 13:39:36
● 2026-03-14 14:35:30
○ 2026-03-14 19:04:44
● 2026-03-14 20:14:32
○ 2026-03-15 00:10:48
○ 2026-03-15 01:02:02
● 2026-03-15 02:46:42
● 2026-03-15 03:20:02
○ 2026-03-15 04:26:02
● 2026-03-15 05:59:40
● 2026-03-15 12:02:56
○ 2026-03-15 18:34:38
○ 2026-03-15 22:14:22
● 2026-03-16 01:25:52
○ 2026-03-16 10:56:38
○ 2026-03-16 18:01:08
● 2026-03-16 19:08:24
○ 2026-03-16 21:35:40
● 2026-03-16 23:12:08
● 2026-03-16 23:48:12
○ 2026-03-17 01:02:40
● 2026-03-17 01:33:46
● 2026-03-17 05:49:20
○ 2026-03-17 07:07:18
● 2026-03-17 08:41:48
● 2026-03-17 15:36:44
○ 2026-03-17 17:27:44
○ 2026-03-18 10:20:56
● 2026-03-18 15:07:20
○ 2026-03-18 16:36:06
○ 2026-03-18 19:09:32
● 2026-03-18 20:01:22
○ 2026-03-18 22:07:32
○ 2026-03-19 07:07:58
● 2026-03-19 09:26:22
○ 2026-03-19 13:07:58
● 2026-03-19 20:55:28
○ 2026-03-20 07:08:16
○ 2026-03-20 20:37:00
● 2026-03-21 02:29:56
○ 2026-03-21 07:13:46
● 2026-03-21 09:32:52
○ 2026-03-21 10:45:54
○ 2026-03-21 11:41:44
● 2026-03-21 20:40:26
○ 2026-03-22 00:13:18
○ 2026-03-22 01:33:04
● 2026-03-22 05:27:42
○ 2026-03-22 16:48:32
○ 2026-03-22 16:48:34

○A13.226.144.482026-02-27 → 2026-03-22 · 128 obs

○A13.226.144.62026-02-27 → 2026-03-22 · 128 obs

○A13.226.144.912026-02-27 → 2026-03-22 · 128 obs

○A13.35.78.102026-02-26 → 2026-03-22 · 103 obs

○ 2026-02-26 17:45:52
● 2026-02-26 23:22:30
● 2026-02-27 08:30:08
○ 2026-02-27 09:18:14
○ 2026-02-27 22:25:44
● 2026-02-28 00:13:56
○ 2026-02-28 05:00:58
○ 2026-02-28 15:40:46
● 2026-02-28 16:54:56
● 2026-02-28 17:39:18
○ 2026-02-28 21:24:02
● 2026-02-28 23:38:54
● 2026-03-01 00:47:50
○ 2026-03-01 02:51:00
○ 2026-03-02 22:16:10
● 2026-03-03 00:12:28
● 2026-03-03 00:53:50
○ 2026-03-03 01:28:48
○ 2026-03-03 23:47:50
● 2026-03-04 06:40:34
● 2026-03-04 08:23:54
○ 2026-03-04 09:00:04
○ 2026-03-04 23:49:32
● 2026-03-05 03:25:30
● 2026-03-05 04:12:14
○ 2026-03-05 06:39:36
● 2026-03-05 08:24:42
○ 2026-03-05 10:57:22
● 2026-03-05 12:56:22
○ 2026-03-05 21:08:36
● 2026-03-06 00:14:06
○ 2026-03-06 03:15:50
○ 2026-03-06 08:59:24
● 2026-03-06 14:55:24
● 2026-03-06 20:52:56
○ 2026-03-06 21:25:32
○ 2026-03-07 03:31:34
● 2026-03-07 12:45:16
○ 2026-03-08 00:11:38
○ 2026-03-08 07:00:58
● 2026-03-08 20:13:58
○ 2026-03-08 21:28:36
○ 2026-03-10 09:08:08
● 2026-03-11 06:45:12
○ 2026-03-11 09:43:20
○ 2026-03-12 14:34:36
● 2026-03-12 17:58:44
○ 2026-03-12 19:59:26
○ 2026-03-12 21:18:36
● 2026-03-13 00:12:00
○ 2026-03-13 02:06:10
○ 2026-03-13 09:01:38
● 2026-03-13 23:26:28
○ 2026-03-14 01:28:44
○ 2026-03-14 14:35:30
● 2026-03-14 19:04:44
○ 2026-03-14 20:14:32
● 2026-03-15 00:10:48
● 2026-03-15 01:02:02
○ 2026-03-15 02:46:42
○ 2026-03-15 03:20:02
● 2026-03-15 04:26:02
○ 2026-03-15 05:59:40
○ 2026-03-15 12:02:56
● 2026-03-15 18:34:38
○ 2026-03-15 21:18:54
○ 2026-03-16 01:25:52
● 2026-03-16 10:56:38
● 2026-03-16 18:01:08
○ 2026-03-16 19:08:24
○ 2026-03-16 23:48:12
● 2026-03-17 01:02:40
○ 2026-03-17 01:33:46
○ 2026-03-17 05:49:20
● 2026-03-17 07:07:18
○ 2026-03-17 08:41:48
○ 2026-03-17 15:36:44
● 2026-03-17 17:27:44
● 2026-03-18 00:45:38
○ 2026-03-18 02:28:02
○ 2026-03-18 04:10:04
● 2026-03-18 07:05:38
○ 2026-03-18 10:20:56
○ 2026-03-18 16:36:06
● 2026-03-18 19:09:32
○ 2026-03-18 20:01:22
● 2026-03-18 22:07:32
● 2026-03-19 07:07:58
○ 2026-03-19 09:26:22
● 2026-03-19 13:07:58
○ 2026-03-19 20:55:28
● 2026-03-20 07:08:16
● 2026-03-20 20:37:00
○ 2026-03-21 02:29:56
● 2026-03-21 07:13:46
○ 2026-03-21 09:32:52
● 2026-03-21 10:45:54
● 2026-03-21 11:41:44
○ 2026-03-21 20:40:26
● 2026-03-22 00:13:18
● 2026-03-22 01:33:04
○ 2026-03-22 05:27:42
○ 2026-03-22 16:48:34

○A13.35.78.472026-02-26 → 2026-03-22 · 103 obs

○A13.35.78.572026-02-26 → 2026-03-22 · 103 obs

○A13.35.78.672026-02-26 → 2026-03-22 · 103 obs

○A18.154.132.1092026-03-11 → 2026-03-11 · 4 obs

○ 2026-03-11 06:45:12
● 2026-03-11 09:43:20
○ 2026-03-11 12:08:20
○ 2026-03-22 16:48:34

○A18.154.132.752026-03-11 → 2026-03-11 · 4 obs

○ 2026-03-11 06:45:12
● 2026-03-11 09:43:20
○ 2026-03-11 12:08:20
○ 2026-03-22 16:48:34

○A18.154.132.862026-03-11 → 2026-03-11 · 4 obs

○ 2026-03-11 06:45:12
● 2026-03-11 09:43:20
○ 2026-03-11 12:08:20
○ 2026-03-22 16:48:34

○A18.154.132.922026-03-11 → 2026-03-11 · 4 obs

○ 2026-03-11 06:45:12
● 2026-03-11 09:43:20
○ 2026-03-11 12:08:20
○ 2026-03-22 16:48:34

○A18.239.168.352026-03-02 → 2026-03-02 · 4 obs

○ 2026-03-02 01:28:32
● 2026-03-02 05:06:40
○ 2026-03-02 08:50:26
○ 2026-03-22 16:48:34

○A18.239.168.692026-03-02 → 2026-03-02 · 4 obs

○ 2026-03-02 01:28:32
● 2026-03-02 05:06:40
○ 2026-03-02 08:50:26
○ 2026-03-22 16:48:34

○A18.239.168.792026-03-02 → 2026-03-02 · 4 obs

○ 2026-03-02 01:28:32
● 2026-03-02 05:06:40
○ 2026-03-02 08:50:26
○ 2026-03-22 16:48:34

○A18.239.168.972026-03-02 → 2026-03-02 · 4 obs

○ 2026-03-02 01:28:32
● 2026-03-02 05:06:40
○ 2026-03-02 08:50:26
○ 2026-03-22 16:48:34

○A216.137.39.1252026-02-27 → 2026-03-18 · 60 obs

○ 2026-02-27 09:18:14
● 2026-02-27 12:03:06
● 2026-02-27 12:38:10
○ 2026-02-27 15:28:34
● 2026-02-27 22:25:44
○ 2026-02-28 00:13:56
● 2026-02-28 05:00:58
○ 2026-02-28 05:42:56
● 2026-02-28 15:40:46
○ 2026-02-28 16:54:56
○ 2026-03-05 08:24:42
● 2026-03-05 10:57:22
○ 2026-03-05 12:56:22
○ 2026-03-06 03:15:50
● 2026-03-06 04:57:38
○ 2026-03-06 08:59:24
○ 2026-03-07 01:05:24
● 2026-03-07 01:35:38
○ 2026-03-07 03:31:34
○ 2026-03-08 23:45:50
● 2026-03-09 00:58:30
○ 2026-03-09 03:21:18
○ 2026-03-10 02:15:50
● 2026-03-10 08:18:12
○ 2026-03-10 09:08:08
○ 2026-03-11 14:53:04
● 2026-03-11 17:16:50
○ 2026-03-11 20:47:38
○ 2026-03-12 01:43:42
● 2026-03-12 14:34:36
○ 2026-03-12 17:58:44
○ 2026-03-13 02:06:10
● 2026-03-13 07:40:20
● 2026-03-13 08:28:22
○ 2026-03-13 09:01:38
○ 2026-03-13 23:26:28
● 2026-03-14 01:28:44
○ 2026-03-14 02:17:32
○ 2026-03-14 03:37:26
● 2026-03-14 05:50:22
○ 2026-03-14 09:14:06
● 2026-03-14 11:36:22
● 2026-03-14 12:17:34
○ 2026-03-14 13:39:36
○ 2026-03-15 18:34:38
● 2026-03-15 21:18:54
● 2026-03-15 22:14:22
○ 2026-03-16 01:25:52
○ 2026-03-16 19:08:24
● 2026-03-16 21:35:40
○ 2026-03-16 23:12:08
○ 2026-03-18 00:45:38
● 2026-03-18 02:28:02
● 2026-03-18 04:10:04
○ 2026-03-18 07:05:38
● 2026-03-18 10:20:56
○ 2026-03-18 15:07:20
● 2026-03-18 16:36:06
○ 2026-03-18 19:09:32
○ 2026-03-22 16:48:34

○A216.137.39.302026-02-27 → 2026-03-18 · 60 obs

○A216.137.39.652026-02-27 → 2026-03-18 · 60 obs

○A216.137.39.902026-02-27 → 2026-03-18 · 60 obs

○A3.167.88.342026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 17:45:52
○ 2026-02-26 23:22:30
○ 2026-03-22 16:48:34

○A3.167.88.392026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 17:45:52
○ 2026-02-26 23:22:30
○ 2026-03-22 16:48:34

○A3.167.88.452026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 17:45:52
○ 2026-02-26 23:22:30
○ 2026-03-22 16:48:34

○A3.167.88.882026-02-26 → 2026-02-26 · 3 obs

● 2026-02-26 17:45:52
○ 2026-02-26 23:22:30
○ 2026-03-22 16:48:34

●A99.84.234.492026-03-08 → 2026-03-22 · 15 obs

○ 2026-03-07 12:45:16
● 2026-03-08 00:11:38
○ 2026-03-08 02:44:36
○ 2026-03-08 21:28:36
● 2026-03-08 22:06:46
○ 2026-03-08 23:45:50
○ 2026-03-14 02:17:32
● 2026-03-14 03:37:26
○ 2026-03-14 05:50:22
○ 2026-03-14 12:17:34
● 2026-03-14 13:39:36
○ 2026-03-14 14:35:30
○ 2026-03-22 05:27:42
● 2026-03-22 16:48:32
● 2026-03-22 16:48:34

●A99.84.234.642026-03-08 → 2026-03-22 · 15 obs

●A99.84.234.772026-03-08 → 2026-03-22 · 15 obs

●A99.84.234.802026-03-08 → 2026-03-22 · 15 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
doubly.app	ns-797.awsdns-35.net, ns-192.awsdns-24.com, ns-1173.awsdns-18.org, ns-1607.awsdns-08.co.uk	-

✅ Authoritative Response

Server: 205.251.195.29

NS records: ns-797.awsdns-35.net, ns-192.awsdns-24.com, ns-1173.awsdns-18.org, ns-1607.awsdns-08.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubly.app (unsigned zone)

⏱️ Timing

Total: 817ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`99.84.234.49, 99.84.234.80...`
NS	4	`ns-1173.awsdns-18.org, ns-1607.awsdns-08.co.uk...`
SOA	1	`ns-1607.awsdns-08.co.uk awsdns-hostmaste`

Analysis

IP Addresses

doubly.app points to four IP numbers: 99.84.234.49, 99.84.234.64, 99.84.234.77 and 99.84.234.80.

Other host names including progton.com, d38uoibe0w1s3b.cloudfront.net, earthpeel.com, d1hmdivcg6n34t.cloudfront.net and di0bh9cufr4a9.cloudfront.net share IP numbers with doubly.app.

Name Servers

doubly.app is delegated to four name servers: ns-192.awsdns-24.com, ns-797.awsdns-35.net, ns-1173.awsdns-18.org and ns-1607.awsdns-08.co.uk.

doubly.app at least partially shares name servers with other domains, including ipm-jp.com, 48.ie, dlipu6tayw7g2.cloudfront.net, resultpg.com and p4.no.

Hosts with two IP numbers:

Host ns-192.awsdns-24.com points to 2600:9000:5300:c000::1 and 205.251.192.192

Host ns-797.awsdns-35.net points to 2600:9000:5303:1d00::1 and 205.251.195.29

Host ns-1173.awsdns-18.org points to 2600:9000:5304:9500::1 and 205.251.196.149

Host ns-1607.awsdns-08.co.uk points to 2600:9000:5306:4700::1 and 205.251.198.71

doubly.app - robtex.com

doubly.app

app

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`doubly.app`

`app`