`app-knowtex.com`

DNSSEC	⚠️ Not signed
A	3.162.112.21^{🇺🇸 Amazon3.162.112.0/21}
		PTR	`server-3-162-112-21.iad61.r.cloudfront.net`
A	3.162.112.35^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.81^{🇺🇸 Amazon3.162.112.0/21}
A	3.162.112.103^{🇺🇸 Amazon3.162.112.0/21}
NS	`ns-1479.awsdns-56.org` ⭐
		A	2600:9000:5305:c700::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1479.awsdns-56.org`
		A	205.251.197.199^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1479.awsdns-56.org`
NS	`ns-1711.awsdns-21.co.uk`
		A	2600:9000:5306:af00::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1711.awsdns-21.co.uk`
		A	205.251.198.175^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1711.awsdns-21.co.uk`
NS	`ns-502.awsdns-62.com`
		A	2600:9000:5301:f600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-502.awsdns-62.com`
		A	205.251.193.246^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-502.awsdns-62.com`
NS	`ns-793.awsdns-35.net`
		A	2600:9000:5303:1900::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-793.awsdns-35.net`
		A	205.251.195.25^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-793.awsdns-35.net`
SOA	`ns-1479.awsdns-56.org`awsdns-hostmaster@amazon.com serial=1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1771291435

Same first word

app-knowtex.com

DNS History

20 records (8 active, 12 former)

●NSns-1479.awsdns-56.org2026-02-16 → 2026-02-28 · 2 obs

● 2026-02-16 00:09:58
● 2026-02-28 03:36:32

●NSns-1711.awsdns-21.co.uk2026-02-16 → 2026-02-28 · 2 obs

● 2026-02-16 00:09:58
● 2026-02-28 03:36:32

●NSns-502.awsdns-62.com2026-02-16 → 2026-02-28 · 2 obs

● 2026-02-16 00:09:58
● 2026-02-28 03:36:32

●NSns-793.awsdns-35.net2026-02-16 → 2026-02-28 · 2 obs

● 2026-02-16 00:09:58
● 2026-02-28 03:36:32

○A13.224.95.162026-02-20 → 2026-02-27 · 10 obs

○ 2026-02-20 13:33:56
● 2026-02-20 19:28:02
● 2026-02-22 04:36:12
○ 2026-02-22 16:10:40
● 2026-02-22 19:42:42
● 2026-02-25 12:41:30
○ 2026-02-27 00:17:50
○ 2026-02-27 04:56:14
● 2026-02-27 15:52:08
○ 2026-02-28 03:36:32

○A13.224.95.552026-02-20 → 2026-02-27 · 10 obs

○A13.224.95.802026-02-20 → 2026-02-27 · 10 obs

○A13.224.95.982026-02-20 → 2026-02-27 · 10 obs

○A18.245.143.1272026-02-16 → 2026-02-19 · 8 obs

○ 2026-02-16 00:09:58
● 2026-02-16 03:05:36
● 2026-02-17 00:07:44
○ 2026-02-18 09:00:02
○ 2026-02-19 10:03:30
● 2026-02-19 15:34:04
○ 2026-02-20 05:21:06
○ 2026-02-28 03:36:32

○A18.245.143.322026-02-16 → 2026-02-19 · 8 obs

○ 2026-02-16 00:09:58
● 2026-02-16 03:05:36
● 2026-02-17 00:07:44
○ 2026-02-18 09:00:02
○ 2026-02-19 10:03:30
● 2026-02-19 15:34:04
○ 2026-02-20 05:21:06
○ 2026-02-28 03:36:32

○A18.245.143.592026-02-16 → 2026-02-19 · 8 obs

○ 2026-02-16 00:09:58
● 2026-02-16 03:05:36
● 2026-02-17 00:07:44
○ 2026-02-18 09:00:02
○ 2026-02-19 10:03:30
● 2026-02-19 15:34:04
○ 2026-02-20 05:21:06
○ 2026-02-28 03:36:32

○A18.245.143.682026-02-16 → 2026-02-19 · 8 obs

○ 2026-02-16 00:09:58
● 2026-02-16 03:05:36
● 2026-02-17 00:07:44
○ 2026-02-18 09:00:02
○ 2026-02-19 10:03:30
● 2026-02-19 15:34:04
○ 2026-02-20 05:21:06
○ 2026-02-28 03:36:32

●A3.162.112.1032026-02-16 → 2026-02-28 · 14 obs

● 2026-02-16 00:09:58
○ 2026-02-16 03:05:36
○ 2026-02-17 00:07:44
● 2026-02-18 09:00:02
○ 2026-02-18 12:29:08
○ 2026-02-19 15:34:04
● 2026-02-20 05:21:06
● 2026-02-20 11:02:08
○ 2026-02-20 13:33:56
○ 2026-02-25 12:41:30
● 2026-02-27 00:17:50
○ 2026-02-27 04:56:14
○ 2026-02-27 15:52:08
● 2026-02-28 03:36:32

●A3.162.112.212026-02-16 → 2026-02-28 · 14 obs

●A3.162.112.352026-02-16 → 2026-02-28 · 14 obs

●A3.162.112.812026-02-16 → 2026-02-28 · 14 obs

○A52.84.20.612026-02-18 → 2026-02-27 · 14 obs

○ 2026-02-18 09:00:02
● 2026-02-18 12:29:08
● 2026-02-19 10:03:30
○ 2026-02-19 15:34:04
○ 2026-02-20 11:02:08
● 2026-02-20 13:33:56
○ 2026-02-20 19:28:02
○ 2026-02-22 04:36:12
● 2026-02-22 16:10:40
○ 2026-02-22 19:42:42
○ 2026-02-27 00:17:50
● 2026-02-27 04:56:14
○ 2026-02-27 15:52:08
○ 2026-02-28 03:36:32

○A52.84.20.922026-02-18 → 2026-02-27 · 14 obs

○A52.84.20.932026-02-18 → 2026-02-27 · 14 obs

○A52.84.20.982026-02-18 → 2026-02-27 · 14 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
app-knowtex.com	ns-502.awsdns-62.com, ns-793.awsdns-35.net, ns-1479.awsdns-56.org, ns-1711.awsdns-21.co.uk	1 record

✅ Authoritative Response

Server: 205.251.195.25

NS records: ns-502.awsdns-62.com, ns-793.awsdns-35.net, ns-1479.awsdns-56.org, ns-1711.awsdns-21.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for app-knowtex.com (unsigned zone)

⏱️ Timing

Total: 248ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.162.112.103, 3.162.112.21...`
NS	4	`ns-1479.awsdns-56.org, ns-1711.awsdns-21.co.uk...`
SOA	1	`ns-1479.awsdns-56.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-502.awsdns-62.com)

AI analysis

Four IP numbers are pointed to by app-knowtex.com: 3.162.112.21, 3.162.112.35, 3.162.112.81 and 3.162.112.103.

other host names including www.marina-watanabe.com, bcenergy.tech, bschool.com, owo.co.jp and d15bby5x0ba45v.cloudfront.net share IP numbers with app-knowtex.com.

app-knowtex.com is delegated to four name servers: ns-502.awsdns-62.com, ns-793.awsdns-35.net, ns-1479.awsdns-56.org and ns-1711.awsdns-21.co.uk.

app-knowtex.com at least partially shares name servers with other domains, for instance zone-film.com, arro.cab, lobal.co.jp, totalitnow.com and jayseyfried.com.

These name servers are commonly used with ns-1014.awsdns-62.net, ns-430.awsdns-53.com and ns-1330.awsdns-38.org.

Host names with two IP numbers:

ns-502.awsdns-62.com points to 2600:9000:5301:f600::1 and 205.251.193.246; ns-793.awsdns-35.net points to 2600:9000:5303:1900::1 and 205.251.195.25; ns-1479.awsdns-56.org points to 2600:9000:5305:c700::1 and 205.251.197.199; ns-1711.awsdns-21.co.uk points to 2600:9000:5306:af00::1 and 205.251.198.175.

app-knowtex.com - robtex.com

app-knowtex.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

AI analysis

`app-knowtex.com`

`com`