`100os.app`

DNSSEC	⚠️ Not signed
A	52.85.193.27^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
		PTR	`server-52-85-193-27.iad55.r.cloudfront.net`
A	52.85.193.107^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.120^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.128^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
NS	`ns-896.awsdns-48.net` ⭐
		A	2600:9000:5303:8000::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-896.awsdns-48.net`
		A	205.251.195.128^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-896.awsdns-48.net`
NS	`ns-1381.awsdns-44.org`
		A	2600:9000:5305:6500::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1381.awsdns-44.org`
		A	205.251.197.101^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1381.awsdns-44.org`
NS	`ns-1998.awsdns-57.co.uk`
		A	2600:9000:5307:ce00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1998.awsdns-57.co.uk`
		A	205.251.199.206^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1998.awsdns-57.co.uk`
NS	`ns-274.awsdns-34.com`
		A	2600:9000:5301:1200::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-274.awsdns-34.com`
		A	205.251.193.18^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-274.awsdns-34.com`
TXT	`Y2MxMTlmZTFhODQyMzZlYzdiODRiOGFhMjU1YTIwMjc=`
TXT	`facebook-domain-verification=rrx1xxwfx6j55qotdck51ejjl8fjcf`
SOA	`ns-896.awsdns-48.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.100os.app

Same first word

100os.co

100os.net

100os.app

100os.events

Similar names

so010.com

so100.com.cn

so100.com

so100.cn

010so.cn

001so.com

DNS History

52 records (8 active, 44 former)

●NSns-1381.awsdns-44.org2026-02-17 → 2026-03-11 · 2 obs

● 2026-02-17 08:55:34
● 2026-03-11 00:48:04

●NSns-1998.awsdns-57.co.uk2026-02-17 → 2026-03-11 · 2 obs

● 2026-02-17 08:55:34
● 2026-03-11 00:48:04

●NSns-274.awsdns-34.com2026-02-17 → 2026-03-11 · 2 obs

● 2026-02-17 08:55:34
● 2026-03-11 00:48:04

●NSns-896.awsdns-48.net2026-02-17 → 2026-03-11 · 2 obs

● 2026-02-17 08:55:34
● 2026-03-11 00:48:04

○A13.32.254.1572019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.32.254.2152019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.32.254.312019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.32.254.882019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.33.213.1032019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.33.213.1052019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.33.213.1252019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.33.213.942019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.35.146.422019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.35.146.722019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.35.146.82019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.35.146.942019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.35.8.1252019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.35.8.502019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.35.8.802019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A13.35.8.982019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A18.238.55.272026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 07:46:02
● 2026-03-08 10:50:00
○ 2026-03-08 13:36:38
○ 2026-03-11 00:48:04

○A18.238.55.382026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 07:46:02
● 2026-03-08 10:50:00
○ 2026-03-08 13:36:38
○ 2026-03-11 00:48:04

○A18.238.55.42026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 07:46:02
● 2026-03-08 10:50:00
○ 2026-03-08 13:36:38
○ 2026-03-11 00:48:04

○A18.238.55.662026-03-08 → 2026-03-08 · 4 obs

○ 2026-03-08 07:46:02
● 2026-03-08 10:50:00
○ 2026-03-08 13:36:38
○ 2026-03-11 00:48:04

○A18.245.218.1282026-02-18 → 2026-03-10 · 58 obs

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

○A18.245.218.162026-02-18 → 2026-03-10 · 58 obs

○A18.245.218.42026-02-18 → 2026-03-10 · 58 obs

○A18.245.218.422026-02-18 → 2026-03-10 · 58 obs

○A52.84.246.1412019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A52.84.246.1582019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A52.84.246.1772019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A52.84.246.2242019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A52.85.160.1032019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A52.85.160.1342019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A52.85.160.1782019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A52.85.160.372019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

●A52.85.193.1072026-02-21 → 2026-03-11 · 32 obs

○ 2026-02-21 14:19:06
● 2026-02-21 15:27:34
○ 2026-02-22 07:24:46
○ 2026-02-23 20:18:08
● 2026-02-24 00:12:20
○ 2026-02-24 00:48:28
○ 2026-02-27 13:30:26
● 2026-02-27 14:23:10
● 2026-02-28 00:14:10
○ 2026-02-28 03:22:34
○ 2026-02-28 07:47:42
● 2026-02-28 19:30:04
○ 2026-02-28 21:34:52
○ 2026-03-01 15:49:46
● 2026-03-01 20:55:18
○ 2026-03-01 23:10:28
○ 2026-03-03 04:57:36
● 2026-03-03 23:40:28
○ 2026-03-04 01:28:24
○ 2026-03-05 20:11:10
● 2026-03-06 00:14:52
○ 2026-03-06 04:39:02
○ 2026-03-06 17:03:04
● 2026-03-06 20:55:06
● 2026-03-07 15:17:50
○ 2026-03-08 01:58:30
○ 2026-03-08 19:09:12
● 2026-03-08 20:43:08
○ 2026-03-09 00:22:06
○ 2026-03-10 22:21:38
● 2026-03-11 00:48:02
● 2026-03-11 00:48:04

●A52.85.193.1202026-02-21 → 2026-03-11 · 32 obs

●A52.85.193.1282026-02-21 → 2026-03-11 · 32 obs

●A52.85.193.272026-02-21 → 2026-03-11 · 32 obs

○A54.192.29.1052019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A54.192.29.1102019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A54.192.29.392019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A54.192.29.482019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A99.84.215.1032026-02-17 → 2026-03-10 · 51 obs

○ 2019-02-28 04:48:42
● 2026-02-17 08:55:34
● 2026-02-18 00:46:20
○ 2026-02-18 02:04:16
● 2026-02-18 09:00:08
● 2026-02-18 13:14:34
○ 2026-02-19 00:12:34
○ 2026-02-21 04:14:06
● 2026-02-21 12:43:12
○ 2026-02-21 14:19:06
○ 2026-02-23 18:27:52
● 2026-02-23 20:18:08
○ 2026-02-24 00:12:20
○ 2026-02-25 23:53:12
● 2026-02-26 03:20:12
○ 2026-02-26 12:36:38
○ 2026-02-26 17:58:08
● 2026-02-27 07:49:52
● 2026-02-27 09:57:14
○ 2026-02-27 13:30:26
○ 2026-02-28 19:30:04
● 2026-02-28 21:34:52
○ 2026-03-01 06:36:14
○ 2026-03-01 12:27:28
● 2026-03-01 15:49:46
○ 2026-03-01 20:55:18
○ 2026-03-02 19:27:30
● 2026-03-03 01:17:36
○ 2026-03-03 02:08:26
● 2026-03-03 04:57:36
○ 2026-03-03 23:40:28
○ 2026-03-05 15:11:14
● 2026-03-05 20:11:10
○ 2026-03-06 00:14:52
● 2026-03-06 04:39:02
○ 2026-03-06 05:46:06
○ 2026-03-06 11:37:08
● 2026-03-06 16:08:00
● 2026-03-06 17:03:04
○ 2026-03-06 20:55:06
○ 2026-03-07 15:17:50
● 2026-03-08 01:58:30
○ 2026-03-08 05:15:52
○ 2026-03-08 10:50:00
● 2026-03-08 13:36:38
● 2026-03-08 14:13:06
○ 2026-03-08 19:09:12
○ 2026-03-09 22:23:58
● 2026-03-10 00:34:26
○ 2026-03-10 03:08:54
○ 2026-03-11 00:48:04

○A99.84.215.1212026-02-17 → 2026-03-10 · 51 obs

○A99.84.215.502026-02-17 → 2026-03-10 · 51 obs

○A99.84.215.662026-02-17 → 2026-03-10 · 51 obs

○A99.84.216.1152019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A99.84.216.1212019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A99.84.216.392019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

○A99.84.216.692019-02-28 → 2019-02-28 · 3 obs

● 2019-02-28 04:48:42
○ 2026-02-17 08:55:34
○ 2026-03-11 00:48:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
100os.app	ns-1998.awsdns-57.co.uk, ns-1381.awsdns-44.org, ns-274.awsdns-34.com, ns-896.awsdns-48.net	-

✅ Authoritative Response

Server: 205.251.195.128

NS records: ns-1998.awsdns-57.co.uk, ns-1381.awsdns-44.org, ns-274.awsdns-34.com, ns-896.awsdns-48.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 100os.app (unsigned zone)

⏱️ Timing

Total: 840ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.85.193.27, 52.85.193.120...`
NS	4	`ns-1381.awsdns-44.org, ns-1998.awsdns-57.co.uk...`
TXT	2	`Y2MxMTlmZTFhODQyMzZlYzdiODRiOGFhMjU1YTIw, facebook-domain-verification=rrx1xxwfx6j`
SOA	1	`ns-896.awsdns-48.net awsdns-hostmaster.a`

Analysis

Hierarchy

100os.app is the parent of www.100os.app.

IP Addresses

Four IP numbers are pointed to by 100os.app: 52.85.193.27, 52.85.193.107, 52.85.193.120 and 52.85.193.128.

other host names including cookiedelicious.com, www.joonodaddy.com, wecpbuffalo.org, d2u71jk4qq3f1p.cloudfront.net and jeeahmood.com share IP numbers with 100os.app.

Name Servers

100os.app is delegated to four name servers: ns-274.awsdns-34.com, ns-896.awsdns-48.net, ns-1381.awsdns-44.org and ns-1998.awsdns-57.co.uk.

100os.app at least partially shares name servers with other domains, for instance bluestareld.com, findgood.solutions, d1l3qy6zufkaus.cloudfront.net, mypatientsite.com and cnn.am.

Host names with two IP numbers:

ns-274.awsdns-34.com points to 2600:9000:5301:1200::1 and 205.251.193.18; ns-896.awsdns-48.net points to 2600:9000:5303:8000::1 and 205.251.195.128; ns-1381.awsdns-44.org points to 2600:9000:5305:6500::1 and 205.251.197.101; ns-1998.awsdns-57.co.uk points to 2600:9000:5307:ce00::1 and 205.251.199.206.

100os.app - robtex.com

100os.app

app

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

`100os.app`

`app`