assembla.app - dns.ninja

`assembla.app`

DNSSEC	⚠️ Not signed
A	13.226.238.19^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
		PTR	`server-13-226-238-19.iad61.r.cloudfront.net`
A	13.226.238.25^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.80^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
A	13.226.238.98^{🇺🇸 Amazon13.226.232.0/21 - Cloudfront}
NS	`ns-766.awsdns-31.net` ⭐
		A	2600:9000:5302:fe00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-766.awsdns-31.net`
		A	205.251.194.254^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-766.awsdns-31.net`
NS	`ns-1511.awsdns-60.org`
		A	2600:9000:5305:e700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1511.awsdns-60.org`
		A	205.251.197.231^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1511.awsdns-60.org`
NS	`ns-1919.awsdns-47.co.uk`
		A	2600:9000:5307:7f00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1919.awsdns-47.co.uk`
		A	205.251.199.127^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1919.awsdns-47.co.uk`
NS	`ns-195.awsdns-24.com`
		A	2600:9000:5300:c300::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-195.awsdns-24.com`
		A	205.251.192.195^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-195.awsdns-24.com`
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	`3skhm8sc3c7odncigods4o78e8`
SOA	`ns-766.awsdns-31.net`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)

Subdomains

www.assembla.app

aws.assembla.app

Same first word

assembla.ro

assembla.cc

assembla.law

assembla.com

assembla.com.br

assembla.it

assembla.net

assembla.cn

assembla.app

Similar names

DNS History

89 records (9 active, 80 former)

●NSns-1511.awsdns-60.org2026-02-17 → 2026-08-04 · 2 obs

● 2026-02-17 03:37:52
● 2026-08-04 16:28:40

●NSns-1919.awsdns-47.co.uk2026-02-17 → 2026-08-04 · 2 obs

● 2026-02-17 03:37:52
● 2026-08-04 16:28:40

●NSns-195.awsdns-24.com2026-02-17 → 2026-08-04 · 2 obs

● 2026-02-17 03:37:52
● 2026-08-04 16:28:40

●NSns-766.awsdns-31.net2026-02-17 → 2026-08-04 · 2 obs

● 2026-02-17 03:37:52
● 2026-08-04 16:28:40

●MXinbound-smtp.us-east-1.amazonaws.com2026-02-17 → 2026-08-04 · 2 obs

● 2026-02-17 03:37:52
● 2026-08-04 16:28:40

○A13.225.47.592026-05-19 → 2026-07-02 · 17 obs

○ 2026-05-19 20:36:58
● 2026-05-19 22:12:10
● 2026-05-20 01:18:32
○ 2026-05-20 02:04:18
● 2026-05-20 02:54:32
● 2026-05-31 09:05:44
○ 2026-05-31 18:52:04
○ 2026-06-03 10:25:44
● 2026-06-03 16:27:34
● 2026-06-07 16:05:32
○ 2026-06-08 07:58:50
● 2026-06-30 17:43:30
● 2026-07-02 05:34:04
○ 2026-07-02 08:21:24
● 2026-07-02 15:32:28
○ 2026-07-02 17:32:02
○ 2026-08-04 16:28:40

○A13.225.47.72026-05-19 → 2026-07-02 · 17 obs

○A13.225.47.712026-05-19 → 2026-07-02 · 17 obs

○A13.225.47.812026-05-19 → 2026-07-02 · 17 obs

●A13.226.238.192026-02-19 → 2026-08-04 · 26 obs

○ 2026-02-17 03:37:52
○ 2026-02-18 16:29:34
● 2026-02-19 05:27:32
○ 2026-02-19 10:25:24
○ 2026-06-18 15:31:02
● 2026-06-19 13:21:34
● 2026-06-22 09:05:40
○ 2026-06-23 07:23:42
○ 2026-07-04 12:26:28
● 2026-07-07 21:47:30
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● 2026-07-10 07:01:32
● 2026-07-11 15:08:34
○ 2026-07-11 15:51:40
● 2026-07-12 10:30:18
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● 2026-08-03 00:43:16
○ 2026-08-03 09:07:20
● 2026-08-03 12:02:20
○ 2026-08-03 20:31:38
● 2026-08-04 00:44:30
○ 2026-08-04 06:22:50
● 2026-08-04 09:02:54
○ 2026-08-04 09:40:16
● 2026-08-04 16:28:38
● 2026-08-04 16:28:40

●A13.226.238.252026-02-19 → 2026-08-04 · 26 obs

●A13.226.238.802026-02-19 → 2026-08-04 · 26 obs

●A13.226.238.982026-02-19 → 2026-08-04 · 26 obs

○A13.249.228.592026-07-26 → 2026-07-28 · 12 obs

○ 2026-07-25 17:52:52
● 2026-07-26 10:16:46
○ 2026-07-26 12:18:22
● 2026-07-26 23:03:18
○ 2026-07-27 00:06:32
● 2026-07-27 01:00:02
○ 2026-07-27 05:13:20
● 2026-07-27 18:39:36
○ 2026-07-27 20:19:22
● 2026-07-28 15:08:18
○ 2026-07-28 18:48:24
○ 2026-08-04 16:28:40

○A13.249.228.612026-07-26 → 2026-07-28 · 12 obs

○A13.249.228.652026-07-26 → 2026-07-28 · 12 obs

○A13.249.228.752026-07-26 → 2026-07-28 · 12 obs

○A13.33.235.1202026-03-23 → 2026-07-20 · 19 obs

○ 2026-03-21 22:24:04
● 2026-03-23 04:23:18
○ 2026-03-23 07:50:28
● 2026-03-23 10:02:22
● 2026-03-26 00:39:34
○ 2026-03-26 01:40:02
○ 2026-06-02 21:13:36
● 2026-07-11 07:20:14
● 2026-07-14 05:50:20
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● 2026-07-16 00:02:40
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● 2026-07-18 11:37:10
○ 2026-07-19 01:56:00
● 2026-07-19 22:54:12
○ 2026-07-19 23:51:30
● 2026-07-20 10:01:44
○ 2026-07-20 12:38:52
○ 2026-08-04 16:28:40

○A13.33.235.422026-03-23 → 2026-07-20 · 19 obs

○A13.33.235.562026-03-23 → 2026-07-20 · 19 obs

○A13.33.235.62026-03-23 → 2026-07-20 · 19 obs

○A13.33.82.1042026-04-16 → 2026-05-09 · 12 obs

○ 2026-04-14 15:03:54
● 2026-04-16 02:57:44
○ 2026-04-16 04:20:56
○ 2026-05-07 22:57:56
● 2026-05-07 23:46:12
○ 2026-05-08 00:17:16
○ 2026-05-09 09:36:08
● 2026-05-09 12:37:42
○ 2026-05-09 13:21:30
● 2026-05-09 14:51:32
○ 2026-05-09 16:31:52
○ 2026-08-04 16:28:40

○A13.33.82.1122026-04-16 → 2026-05-09 · 12 obs

○A13.33.82.1172026-04-16 → 2026-05-09 · 12 obs

○A13.33.82.562026-04-16 → 2026-05-09 · 12 obs

○A13.35.107.292026-04-14 → 2026-08-02 · 19 obs

○ 2026-04-12 14:53:56
● 2026-04-14 11:49:12
○ 2026-04-14 15:03:54
● 2026-07-13 03:41:56
○ 2026-07-13 04:53:14
● 2026-07-15 00:06:16
○ 2026-07-15 22:38:48
○ 2026-07-18 03:08:02
● 2026-07-19 23:51:30
○ 2026-07-21 10:38:46
○ 2026-07-23 04:37:16
● 2026-07-25 09:09:48
○ 2026-07-26 21:22:10
● 2026-07-29 01:25:48
● 2026-07-31 19:05:18
○ 2026-07-31 22:41:50
● 2026-08-02 04:44:44
○ 2026-08-02 11:49:20
○ 2026-08-04 16:28:40

○A13.35.107.322026-04-14 → 2026-08-02 · 19 obs

○A13.35.107.662026-04-14 → 2026-08-02 · 19 obs

○A13.35.107.722026-04-14 → 2026-08-02 · 19 obs

○A18.154.144.1072026-07-03 → 2026-07-13 · 19 obs

○ 2026-07-02 17:32:02
● 2026-07-03 10:31:24
○ 2026-07-03 11:04:40
● 2026-07-04 01:30:12
○ 2026-07-04 03:09:40
● 2026-07-04 13:26:40
○ 2026-07-05 02:46:58
● 2026-07-05 05:33:24
○ 2026-07-07 13:29:50
○ 2026-07-09 00:21:24
● 2026-07-09 19:21:48
○ 2026-07-09 23:44:54
● 2026-07-10 20:03:50
○ 2026-07-11 00:38:54
● 2026-07-12 03:54:08
○ 2026-07-12 05:36:20
● 2026-07-13 02:37:04
○ 2026-07-13 03:41:56
○ 2026-08-04 16:28:40

○A18.154.144.52026-07-03 → 2026-07-13 · 19 obs

○A18.154.144.62026-07-03 → 2026-07-13 · 19 obs

○A18.154.144.602026-07-03 → 2026-07-13 · 19 obs

○A18.164.124.1122026-03-07 → 2026-05-23 · 18 obs

○ 2026-02-20 01:19:18
● 2026-03-07 22:03:46
● 2026-03-08 22:06:52
○ 2026-03-09 02:59:46
○ 2026-04-10 06:19:34
● 2026-04-10 08:53:02
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○ 2026-05-19 04:01:12
● 2026-05-19 12:35:12
● 2026-05-19 13:54:06
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○ 2026-05-22 08:32:58
● 2026-05-22 10:40:08
○ 2026-05-22 13:19:32
○ 2026-05-23 10:31:42
● 2026-05-23 19:19:28
○ 2026-05-23 23:22:12
○ 2026-08-04 16:28:40

○A18.164.124.1292026-03-07 → 2026-05-23 · 18 obs

○A18.164.124.612026-03-07 → 2026-05-23 · 18 obs

○A18.164.124.742026-03-07 → 2026-05-23 · 18 obs

○A18.164.154.142026-02-17 → 2026-08-04 · 26 obs

● 2026-02-17 03:37:52
● 2026-02-17 15:22:10
○ 2026-02-18 10:55:02
○ 2026-03-18 20:50:40
● 2026-03-21 12:57:34
○ 2026-03-21 22:24:04
○ 2026-03-28 14:17:24
● 2026-07-17 12:14:10
● 2026-07-24 18:29:20
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● 2026-07-28 07:12:36
○ 2026-07-30 01:34:28
○ 2026-08-01 10:00:48
● 2026-08-01 22:15:30
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● 2026-08-02 19:29:42
○ 2026-08-02 23:37:50
● 2026-08-03 10:11:56
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● 2026-08-03 20:31:38
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● 2026-08-04 06:22:50
○ 2026-08-04 09:02:54
● 2026-08-04 13:24:40
○ 2026-08-04 16:28:38
○ 2026-08-04 16:28:40

○A18.164.154.222026-02-17 → 2026-08-04 · 26 obs

○A18.164.154.862026-02-17 → 2026-08-04 · 26 obs

○A18.164.154.92026-02-17 → 2026-08-04 · 26 obs

○A18.165.160.1232026-05-28 → 2026-06-13 · 7 obs

○ 2026-05-28 14:00:22
● 2026-05-28 17:51:26
○ 2026-05-28 19:31:14
○ 2026-06-13 03:04:50
● 2026-06-13 05:27:54
○ 2026-06-13 06:38:04
○ 2026-08-04 16:28:40

○A18.165.160.242026-05-28 → 2026-06-13 · 7 obs

○ 2026-05-28 14:00:22
● 2026-05-28 17:51:26
○ 2026-05-28 19:31:14
○ 2026-06-13 03:04:50
● 2026-06-13 05:27:54
○ 2026-06-13 06:38:04
○ 2026-08-04 16:28:40

○A18.165.160.552026-05-28 → 2026-06-13 · 7 obs

○ 2026-05-28 14:00:22
● 2026-05-28 17:51:26
○ 2026-05-28 19:31:14
○ 2026-06-13 03:04:50
● 2026-06-13 05:27:54
○ 2026-06-13 06:38:04
○ 2026-08-04 16:28:40

○A18.165.160.822026-05-28 → 2026-06-13 · 7 obs

○ 2026-05-28 14:00:22
● 2026-05-28 17:51:26
○ 2026-05-28 19:31:14
○ 2026-06-13 03:04:50
● 2026-06-13 05:27:54
○ 2026-06-13 06:38:04
○ 2026-08-04 16:28:40

○A18.165.25.182026-03-29 → 2026-04-06 · 7 obs

○ 2026-03-28 18:11:06
● 2026-03-29 09:03:58
○ 2026-03-29 19:09:54
○ 2026-04-06 07:44:14
● 2026-04-06 08:37:26
○ 2026-04-06 17:00:30
○ 2026-08-04 16:28:40

○A18.165.25.482026-03-29 → 2026-04-06 · 7 obs

○ 2026-03-28 18:11:06
● 2026-03-29 09:03:58
○ 2026-03-29 19:09:54
○ 2026-04-06 07:44:14
● 2026-04-06 08:37:26
○ 2026-04-06 17:00:30
○ 2026-08-04 16:28:40

○A18.165.25.52026-03-29 → 2026-04-06 · 7 obs

○ 2026-03-28 18:11:06
● 2026-03-29 09:03:58
○ 2026-03-29 19:09:54
○ 2026-04-06 07:44:14
● 2026-04-06 08:37:26
○ 2026-04-06 17:00:30
○ 2026-08-04 16:28:40

○A18.165.25.552026-03-29 → 2026-04-06 · 7 obs

○ 2026-03-28 18:11:06
● 2026-03-29 09:03:58
○ 2026-03-29 19:09:54
○ 2026-04-06 07:44:14
● 2026-04-06 08:37:26
○ 2026-04-06 17:00:30
○ 2026-08-04 16:28:40

○A18.239.183.1062026-04-28 → 2026-08-02 · 18 obs

○ 2026-04-26 02:02:58
● 2026-04-28 19:11:48
○ 2026-04-28 20:36:12
○ 2026-04-29 09:32:40
● 2026-04-29 11:01:30
○ 2026-04-29 17:29:56
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● 2026-05-12 22:54:00
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● 2026-05-19 20:36:58
○ 2026-05-20 04:04:28
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● 2026-08-02 11:49:20
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● 2026-08-02 15:50:40
○ 2026-08-02 19:29:42
○ 2026-08-04 16:28:40

○A18.239.183.142026-04-28 → 2026-08-02 · 18 obs

○A18.239.183.392026-04-28 → 2026-08-02 · 18 obs

○A18.239.183.592026-04-28 → 2026-08-02 · 18 obs

○A18.239.225.1102026-04-29 → 2026-07-23 · 17 obs

○ 2026-04-28 20:36:12
● 2026-04-29 03:14:00
● 2026-04-29 09:32:40
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○ 2026-05-14 05:37:52
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● 2026-05-18 20:08:38
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● 2026-06-08 07:58:50
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● 2026-07-23 09:55:44
○ 2026-07-23 11:42:34
○ 2026-08-04 16:28:40

○A18.239.225.1112026-04-29 → 2026-07-23 · 17 obs

○A18.239.225.622026-04-29 → 2026-07-23 · 17 obs

○A18.239.225.742026-04-29 → 2026-07-23 · 17 obs

○A18.66.255.1062026-04-10 → 2026-07-23 · 19 obs

○ 2026-04-06 17:00:30
● 2026-04-10 06:19:34
○ 2026-04-10 08:53:02
○ 2026-04-11 01:47:26
● 2026-04-12 05:37:44
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● 2026-06-21 17:40:02
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● 2026-06-30 23:06:02
○ 2026-07-05 05:33:24
● 2026-07-07 13:29:50
● 2026-07-15 00:44:40
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● 2026-07-22 17:11:46
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● 2026-07-23 07:24:48
○ 2026-07-23 09:55:44
○ 2026-08-04 16:28:40

○A18.66.255.1142026-04-10 → 2026-07-23 · 19 obs

○A18.66.255.1162026-04-10 → 2026-07-23 · 19 obs

○A18.66.255.42026-04-10 → 2026-07-23 · 19 obs

○A18.67.0.1182026-03-28 → 2026-08-04 · 25 obs

○ 2026-03-26 01:40:02
● 2026-03-28 14:17:24
○ 2026-03-28 17:17:04
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● 2026-03-31 10:38:52
○ 2026-03-31 14:48:34
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● 2026-05-09 02:03:30
○ 2026-05-09 21:02:22
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● 2026-07-23 11:42:34
● 2026-07-27 05:13:20
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● 2026-07-30 17:59:58
● 2026-08-01 10:00:48
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● 2026-08-02 12:31:18
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● 2026-08-02 23:37:50
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● 2026-08-03 09:07:20
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● 2026-08-04 09:40:16
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○ 2026-08-04 16:28:40

○A18.67.0.32026-03-28 → 2026-08-04 · 25 obs

○A18.67.0.622026-03-28 → 2026-08-04 · 25 obs

○A18.67.0.962026-03-28 → 2026-08-04 · 25 obs

○A216.137.39.102026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-18 20:50:40
● 2026-03-20 10:05:56
○ 2026-03-20 12:13:52
○ 2026-08-04 16:28:40

○A216.137.39.1002026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-18 20:50:40
● 2026-03-20 10:05:56
○ 2026-03-20 12:13:52
○ 2026-08-04 16:28:40

○A216.137.39.322026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-18 20:50:40
● 2026-03-20 10:05:56
○ 2026-03-20 12:13:52
○ 2026-08-04 16:28:40

○A216.137.39.812026-03-20 → 2026-03-20 · 4 obs

○ 2026-03-18 20:50:40
● 2026-03-20 10:05:56
○ 2026-03-20 12:13:52
○ 2026-08-04 16:28:40

○A3.161.150.1022026-03-28 → 2026-07-30 · 18 obs

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○A3.161.150.1142026-03-28 → 2026-07-30 · 18 obs

○A3.161.150.242026-03-28 → 2026-07-30 · 18 obs

○A3.161.150.282026-03-28 → 2026-07-30 · 18 obs

○A3.161.213.1112026-04-06 → 2026-05-07 · 7 obs

○ 2026-03-31 14:48:34
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○A3.161.213.192026-04-06 → 2026-05-07 · 7 obs

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○A3.161.213.52026-04-06 → 2026-05-07 · 7 obs

○ 2026-03-31 14:48:34
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○A3.161.213.642026-04-06 → 2026-05-07 · 7 obs

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○A3.175.86.1032026-05-27 → 2026-06-04 · 19 obs

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○A3.175.86.1152026-05-27 → 2026-06-04 · 19 obs

○A3.175.86.1282026-05-27 → 2026-06-04 · 19 obs

○A3.175.86.702026-05-27 → 2026-06-04 · 19 obs

○A52.84.118.1032026-02-18 → 2026-06-30 · 19 obs

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○A52.84.118.1102026-02-18 → 2026-06-30 · 19 obs

○A52.84.118.1242026-02-18 → 2026-06-30 · 19 obs

○A52.84.118.732026-02-18 → 2026-06-30 · 19 obs

○A54.230.201.1172026-05-17 → 2026-06-19 · 14 obs

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○A54.230.201.472026-05-17 → 2026-06-19 · 14 obs

○A54.230.201.872026-05-17 → 2026-06-19 · 14 obs

○A54.230.201.992026-05-17 → 2026-06-19 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
assembla.app	ns-195.awsdns-24.com, ns-1511.awsdns-60.org, ns-1919.awsdns-47.co.uk, ns-766.awsdns-31.net	-

✅ Authoritative Response

Server:205.251.192.195

NS records: ns-195.awsdns-24.com, ns-1511.awsdns-60.org, ns-1919.awsdns-47.co.uk, ns-766.awsdns-31.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for assembla.app (unsigned zone)

⏱️ Timing

Total: 854ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.226.238.25, 13.226.238.80...`
NS	4	`ns-1511.awsdns-60.org, ns-1919.awsdns-47.co.uk...`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	1	`3skhm8sc3c7odncigods4o78e8`
SOA	1	`ns-766.awsdns-31.net awsdns-hostmaster.a`

Analysis

Hierarchy

www.assembla.app and aws.assembla.app each fall under assembla.app as their parent domain.

IP Addresses

assembla.app points to the four IP addresses 13.226.238.19, 13.226.238.25, 13.226.238.80 and 13.226.238.98.

Two other host names, along with api.clickedu.eu, course-assets.statefoodsafety.com and orcasinc.com, also share IP numbers with assembla.app.

Name Servers

The NS records for assembla.app point to four name servers: ns-195.awsdns-24.com, ns-766.awsdns-31.net, ns-1511.awsdns-60.org and ns-1919.awsdns-47.co.uk.

At least some of assembla.app's name servers are shared with other domains, for example 77.92.3.in-addr.arpa, 80.56.100.in-addr.arpa, gamers-vault.store and two more.

These name servers tend to co-occur with ns1-24-us-east-1.ec2-rdns.amazonaws.com, ns2-24-us-east-1.ec2-rdns.amazonaws.com, ns3-24-us-east-1.ec2-rdns.amazonaws.com and 5 other name servers in the same DNS delegations.

Four hostnames, each resolving to a pair of IP addresses: ns-195.awsdns-24.com directs to 205.251.192.195 and 2600:9000:5300:c300::1; ns-766.awsdns-31.net directs to 205.251.194.254 and 2600:9000:5302:fe00::1; ns-1511.awsdns-60.org directs to 205.251.197.231 and 2600:9000:5305:e700::1; ns-1919.awsdns-47.co.uk directs to 205.251.199.127 and 2600:9000:5307:7f00::1.

Mail Servers

The sole mail server for assembla.app is inbound-smtp.us-east-1.amazonaws.com.

Among the domains sharing a mail server setup with assembla.app are gdgcloudscl.slack.com, lumosae.com, chryslerjeepdodgeramoffers.com and two others.

There is at least a partial MX overlap between assembla.app and other domains, including broad-education.atlassian.net, mybenefits360.in, loblaw.atlassian.net and two others.

These mail servers often co-occur with the mail servers inbound-smtp.us-west-2.amazonaws.com.

inbound-smtp.us-east-1.amazonaws.com directs to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two others.