sysduo.com - dns.ninja

`sysduo.com`

DNSSEC	⚠️ Not signed
NS	`ns-201.awsdns-25.com` ⭐
		A	2600:9000:5300:c900::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-201.awsdns-25.com`
		A	205.251.192.201^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-201.awsdns-25.com`
NS	`ns-1186.awsdns-20.org`
		A	2600:9000:5304:a200::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1186.awsdns-20.org`
		A	205.251.196.162^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1186.awsdns-20.org`
NS	`ns-2012.awsdns-59.co.uk`
		A	2600:9000:5307:dc00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2012.awsdns-59.co.uk`
		A	205.251.199.220^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2012.awsdns-59.co.uk`
NS	`ns-702.awsdns-23.net`
		A	2600:9000:5302:be00::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-702.awsdns-23.net`
		A	205.251.194.190^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-702.awsdns-23.net`
SOA	`ns-201.awsdns-25.com`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=1783165271

Same first word

sysduo.com

Similar names

duosys.com

duosys.net

sosudy.ru

sosudy.com

doussy.fr

sysudo.com

soysud.com

sosudy.info

DNS History

10 records (4 active, 6 former)

●NSns-1186.awsdns-20.org2017-09-06 → 2026-07-04 · 2 obs

● 2017-09-06 11:42:34
● 2026-07-04 11:48:58

●NSns-201.awsdns-25.com2017-09-06 → 2026-07-04 · 2 obs

● 2017-09-06 11:42:34
● 2026-07-04 11:48:58

●NSns-2012.awsdns-59.co.uk2017-09-06 → 2026-07-04 · 2 obs

● 2017-09-06 11:42:34
● 2026-07-04 11:48:58

●NSns-702.awsdns-23.net2017-09-06 → 2026-07-04 · 2 obs

● 2017-09-06 11:42:34
● 2026-07-04 11:48:58

○A34.213.83.982018-04-16 → 2018-04-16 · 4 obs

○ 2017-09-06 11:42:34
● 2018-04-16 19:41:20
○ 2026-03-05 20:17:14
○ 2026-07-04 11:48:58

○A35.167.222.722017-09-06 → 2017-09-06 · 3 obs

● 2017-09-06 11:42:34
○ 2018-04-16 19:41:20
○ 2026-07-04 11:48:58

○A52.36.125.612018-04-16 → 2018-04-16 · 4 obs

○ 2017-09-06 11:42:34
● 2018-04-16 19:41:20
○ 2026-03-05 20:17:14
○ 2026-07-04 11:48:58

○A52.43.170.1852017-09-06 → 2017-09-06 · 3 obs

● 2017-09-06 11:42:34
○ 2018-04-16 19:41:20
○ 2026-07-04 11:48:58

○A54.148.57.1702017-09-06 → 2017-09-06 · 3 obs

● 2017-09-06 11:42:34
○ 2018-04-16 19:41:20
○ 2026-07-04 11:48:58

○A54.69.183.1592018-04-16 → 2018-04-16 · 4 obs

○ 2017-09-06 11:42:34
● 2018-04-16 19:41:20
○ 2026-03-05 20:17:14
○ 2026-07-04 11:48:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sysduo.com	ns-201.awsdns-25.com, ns-702.awsdns-23.net, ns-1186.awsdns-20.org, ns-2012.awsdns-59.co.uk	2 records

✅ Authoritative Response

Server:205.251.196.162

NS records: ns-201.awsdns-25.com, ns-702.awsdns-23.net, ns-1186.awsdns-20.org, ns-2012.awsdns-59.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysduo.com (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-1186.awsdns-20.org, ns-201.awsdns-25.com...`
SOA	1	`ns-201.awsdns-25.com awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-201.awsdns-25.com, ns-201.awsdns-25.com)

Analysis

Name Servers

Four name servers handle the delegation for sysduo.com: ns-201.awsdns-25.com, ns-702.awsdns-23.net, ns-1186.awsdns-20.org and ns-2012.awsdns-59.co.uk.

The name servers of sysduo.com overlap at least partially with those of other domains — among them dori.ai, yutaniglobal.net, internal.misterspex.de and two more.

Each of the four hosts ns-201.awsdns-25.com, ns-702.awsdns-23.net, ns-1186.awsdns-20.org and ns-2012.awsdns-59.co.uk has two IP addresses. ns-201.awsdns-25.com points to 205.251.192.201 and 2600:9000:5300:c900::1. ns-702.awsdns-23.net points to 205.251.194.190 and 2600:9000:5302:be00::1. ns-1186.awsdns-20.org points to 205.251.196.162 and 2600:9000:5304:a200::1. ns-2012.awsdns-59.co.uk points to 205.251.199.220 and 2600:9000:5307:dc00::1.