🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`simulationwebapp.com`

DNSSEC	⚠️ Not signed
NS	`charles.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c153^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`charles.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2153^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`charles.ns.cloudflare.com`
		A	108.162.193.83^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	172.64.33.83^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	173.245.59.83^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
NS	`crystal.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ca^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ca^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`crystal.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ca^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`crystal.ns.cloudflare.com`
		A	108.162.194.202^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	162.159.38.202^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
		A	172.64.34.202^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`crystal.ns.cloudflare.com`
SOA	`charles.ns.cloudflare.com`dns@cloudflare.com serial=2419459531

`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=1794748713

Same first word

simulationwebapp.com

Previous names

Next names

DNS History

2 records (2 active, 0 former)

●NScharles.ns.cloudflare.com2026-09-12 → 2026-11-15 · 2 obs

● 2026-09-12 23:14:18
● 2026-11-15 13:27:46

●NScrystal.ns.cloudflare.com2026-09-12 → 2026-11-15 · 2 obs

● 2026-09-12 23:14:18
● 2026-11-15 13:27:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
simulationwebapp.com	charles.ns.cloudflare.com, crystal.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.202

NS records: charles.ns.cloudflare.com, crystal.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simulationwebapp.com (unsigned zone)

⏱️ Timing

Total: 238ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`charles.ns.cloudflare.com, crystal.ns.cloudflare.com`
SOA	1	`charles.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (charles.ns.cloudflare.com, charles.ns.cloudflare.com, charles.ns.cloudflare.com...)

Analysis

Name Servers

Two name servers handle the delegation for simulationwebapp.com: charles.ns.cloudflare.com and crystal.ns.cloudflare.com.

simulationwebapp.com shares its NS records with other domains, for example pga222.app, respiraespcomqv.info, ljsa3666awksj.com and two others.

The name servers of simulationwebapp.com overlap at least partially with those of other domains — among them worldgn-taiwan.com, dt688.locker, jiejie51-f2622.cc and two more.

These name servers commonly appear alongside the name servers thaddeus.ns.cloudflare.com and alec.ns.cloudflare.com.

DNS names with 6 IP addresses:

charles.ns.cloudflare.com resolves to 108.162.193.83, 172.64.33.83 and 173.245.59.83 among others, with 3 other IP addresses in total.

crystal.ns.cloudflare.com resolves to 108.162.194.202, 162.159.38.202 and 172.64.34.202 among others, with 3 other IP addresses in total.

simulationwebapp.com - robtex.com