🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`crysys.tech`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:24cb^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:c74a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.203^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.74^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`anita.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2652^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c252^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`anita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2252^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`anita.ns.cloudflare.com`
		A	108.162.194.82^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anita.ns.cloudflare.com`
		A	162.159.38.82^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anita.ns.cloudflare.com`
		A	172.64.34.82^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`anita.ns.cloudflare.com`
NS	`terin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`terin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`terin.ns.cloudflare.com`
		A	108.162.193.236^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	172.64.33.236^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
		A	173.245.59.236^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`terin.ns.cloudflare.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
TXT	`apple-domain=J2PzNQyKUel3JQcC`
TXT	`flag is at pwndu.com`
TXT	`protonmail-verification=4e8d4b6ee363b2635967a7536468d3b3488476f6`
TXT	`v=spf1 +a +mx +ip4:104.225.208.27 include:icloud.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.203, 172.67.199.74
		IPv6 hints	2606:4700:3031::6815:24cb, 2606:4700:3032::ac43:c74a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=36, name=cloudflare-ech.com
SOA	`anita.ns.cloudflare.com`dns@cloudflare.com serial=2412214612

`tech`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1787381340

Same first word

crysys.de

crysys.com

crysys.ca

crysys.hu

crysys.tech

Similar names

cyrsys.com

Previous names

Next names

cs-ai.tech

cs-cart.tech

cs-go.tech

cs37.tech

cs4.tech

cs50.tech

cs66.tech

cs88.tech

csa.tech

csalinas.tech

csanadi.tech

csassignmenthelp.tech

csboom.tech

csc-taxi.tech

csc.tech

csce.tech

csck.tech

cscm.tech

cscnorcal.tech

DNS History

8 records (8 active, 0 former)

●NSanita.ns.cloudflare.com2026-08-16 → 2026-08-22 · 2 obs

● 2026-08-16 01:28:44
● 2026-08-22 06:52:46

●NSterin.ns.cloudflare.com2026-08-16 → 2026-08-22 · 2 obs

● 2026-08-16 01:28:44
● 2026-08-22 06:52:46

●MXmx01.mail.icloud.com2026-08-16 → 2026-08-22 · 2 obs

● 2026-08-16 01:28:44
● 2026-08-22 06:52:46

●MXmx02.mail.icloud.com2026-08-16 → 2026-08-22 · 2 obs

● 2026-08-16 01:28:44
● 2026-08-22 06:52:46

●A104.21.36.2032026-08-16 → 2026-08-22 · 2 obs

● 2026-08-16 01:28:44
● 2026-08-22 06:52:46

●A172.67.199.742026-08-16 → 2026-08-22 · 2 obs

● 2026-08-16 01:28:44
● 2026-08-22 06:52:46

●A2606:4700:3031::6815:24cb2026-08-16 → 2026-08-22 · 2 obs

● 2026-08-16 01:28:44
● 2026-08-22 06:52:46

●A2606:4700:3032::ac43:c74a2026-08-16 → 2026-08-22 · 2 obs

● 2026-08-16 01:28:44
● 2026-08-22 06:52:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tech	ns01.trs-dns.com, ns10.trs-dns.org, ns10.trs-dns.info, ns01.trs-dns.net	8 records
crysys.tech	anita.ns.cloudflare.com, terin.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.236

NS records: anita.ns.cloudflare.com, terin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for crysys.tech (unsigned zone)

⏱️ Timing

Total: 925ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.36.203, 172.67.199.74`
AAAA	2	`2606:4700:3032::ac43:c74a, 2606:4700:3031::6815:24cb`
NS	2	`anita.ns.cloudflare.com, terin.ns.cloudflare.com`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	4	`apple-domain=J2PzNQyKUel3JQcC, flag is at pwndu.com...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`anita.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns10.trs-dns.org...)

Analysis

IP Addresses

crysys.tech has four IP addresses: 104.21.36.203, 172.67.199.74, 2606:4700:3031::6815:24cb and 2606:4700:3032::ac43:c74a.

moviesflix360.xyz, pathcore.top, yihetianjian.com plus two other host names have IP numbers in common with crysys.tech.

Name Servers

crysys.tech is served by two delegated name servers, anita.ns.cloudflare.com and terin.ns.cloudflare.com.

The name server configuration of crysys.tech is shared with other domains, for instance vitor-eidt.workers.dev, alanwar-leb.com, collicare.de and two others.

crysys.tech partially shares its NS delegation with several other domains, including m379t.top, codigooculto.com, usdc.bz and two others.

Hosts with 6 IP addresses each:

anita.ns.cloudflare.com carries IP addresses 108.162.194.82, 162.159.38.82 and 172.64.34.82, with 3 other addresses beyond those.

terin.ns.cloudflare.com carries IP addresses 108.162.193.236, 172.64.33.236 and 173.245.59.236, with 3 other addresses beyond those.

Mail Servers

crysys.tech uses two mail servers, mx01.mail.icloud.com and mx02.mail.icloud.com.

The mail server setup of crysys.tech matches that of other domains such as bank.cash, vsh.pl, wirelessphreak.com and two others.

crysys.tech partially shares its mail servers with other domains, somerwil.nl and ruggedarmorlinings.com being examples.

Hosts with 6 IP addresses each:

mx01.mail.icloud.com carries IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, with 3 other addresses beyond those.

mx02.mail.icloud.com carries IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, with 3 other addresses beyond those.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.42.251.62 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.56.9.31 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.152.5 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.154.33 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.155.25 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.156.30 IP addresses.

crysys.tech - robtex.com

crysys.tech

tech

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`crysys.tech`

`tech`