`chalksystems.com`

DNSSEC	⚠️ Not signed
A	185.158.133.1^{🇩🇪 Cloudflare185.158.133.0/24}
NS	`arnold.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b45^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c145^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arnold.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2145^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arnold.ns.cloudflare.com`
		A	108.162.193.69^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	172.64.33.69^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
		A	173.245.59.69^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arnold.ns.cloudflare.com`
NS	`wanda.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wanda.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`wanda.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`wanda.ns.cloudflare.com`
		A	108.162.192.240^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wanda.ns.cloudflare.com`
		A	172.64.32.240^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wanda.ns.cloudflare.com`
		A	173.245.58.240^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`wanda.ns.cloudflare.com`
MX	`chalksystems-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc31::1^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy8pr01cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc31::2^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy5pr01cu00902.inbound.protection.outlook.com`
		A	2a01:111:f403:cc31::3^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-sy2pr01cu00503.inbound.protection.outlook.com`
		A	2a01:111:f403:cc33::1^{🇦🇺 Microsoft2a01:111:f000::/36}
			PTR	`mail-meupr01cu00301.inbound.protection.outlook.com`
		A	52.101.149.2^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy5pr01cu00902.inbound.protection.outlook.com`
		A	52.101.149.9^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sy2pr01cu00501.inbound.protection.outlook.com`
		A	52.101.151.0^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-meupr01cu00200.inbound.protection.outlook.com`
		A	52.101.151.5^{🇦🇺 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-meupr01cu00305.inbound.protection.outlook.com`
MX	`us2.mx1.mailhostbox.com`⁽¹⁰⁰⁾
		A	162.215.3.26^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-26.unifiedlayer.com`
MX	`us2.mx2.mailhostbox.com`⁽¹⁰⁰⁾
		A	162.215.2.27^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-2-27.unifiedlayer.com`
MX	`us2.mx3.mailhostbox.com`⁽¹⁰⁰⁾
		A	162.215.3.25^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-25.unifiedlayer.com`
TXT	`MS=ms44989917`
TXT	`MS=ms67746493`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`arnold.ns.cloudflare.com`dns@cloudflare.com serial=2396477867

`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

chalksystems.com

DNS History

11 records (7 active, 4 former)

●NSarnold.ns.cloudflare.com2026-02-23 → 2026-03-23 · 3 obs

○ 2020-02-28 22:31:24
● 2026-02-23 05:54:52
● 2026-03-23 19:10:46

○NSdns1.stabletransit.com2020-02-28 → 2020-02-28 · 3 obs

● 2020-02-28 22:31:24
○ 2026-02-23 05:54:52
○ 2026-03-23 19:10:46

○NSdns2.stabletransit.com2020-02-28 → 2020-02-28 · 3 obs

● 2020-02-28 22:31:24
○ 2026-02-23 05:54:52
○ 2026-03-23 19:10:46

○NSns.rackspace.com2020-02-28 → 2020-02-28 · 3 obs

● 2020-02-28 22:31:24
○ 2026-02-23 05:54:52
○ 2026-03-23 19:10:46

●NSwanda.ns.cloudflare.com2026-02-23 → 2026-03-23 · 3 obs

○ 2020-02-28 22:31:24
● 2026-02-23 05:54:52
● 2026-03-23 19:10:46

●MXchalksystems-com.mail.protection.outlook.com2026-02-23 → 2026-03-23 · 3 obs

○ 2020-02-28 22:31:24
● 2026-02-23 05:54:52
● 2026-03-23 19:10:46

●MXus2.mx1.mailhostbox.com2020-02-28 → 2026-03-23 · 2 obs

● 2020-02-28 22:31:24
● 2026-03-23 19:10:46

●MXus2.mx2.mailhostbox.com2020-02-28 → 2026-03-23 · 2 obs

● 2020-02-28 22:31:24
● 2026-03-23 19:10:46

●MXus2.mx3.mailhostbox.com2020-02-28 → 2026-03-23 · 2 obs

● 2020-02-28 22:31:24
● 2026-03-23 19:10:46

○A119.9.53.702020-02-28 → 2020-02-28 · 3 obs

● 2020-02-28 22:31:24
○ 2026-02-23 05:54:52
○ 2026-03-23 19:10:46

●A185.158.133.12026-02-23 → 2026-03-23 · 3 obs

○ 2020-02-28 22:31:24
● 2026-02-23 05:54:52
● 2026-03-23 19:10:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
chalksystems.com	wanda.ns.cloudflare.com, arnold.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.240

NS records: wanda.ns.cloudflare.com, arnold.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chalksystems.com (unsigned zone)

⏱️ Timing

Total: 944ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.158.133.1`
NS	2	`arnold.ns.cloudflare.com, wanda.ns.cloudflare.com`
MX	4	`chalksystems-com.mail.protection.outlook, us2.mx1.mailhostbox.com (pri: 100)...`
TXT	3	`MS=ms44989917, MS=ms67746493...`
SOA	1	`arnold.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

chalksystems.com resolves to one IP number: 185.158.133.1.

other host names including carplace.nl, lockbox.com.br, rid.me, quickhub.net and gebrauchtwert.de share IP numbers with chalksystems.com.

Name Servers

chalksystems.com is delegated to two name servers arnold.ns.cloudflare.com and wanda.ns.cloudflare.com.

chalksystems.com shares the same name server setup as other domains, for instance kokobo.com, blogsu.org, zc6tv.com, jdtiyu.net and zdqkup.com.

chalksystems.com at least partially shares name servers with other domains, for instance museumandgallery.org, goldfugroup.com, chatsecure.org, citroen-munderloh.de and fibbers.ca.

Host names with six IP numbers:

Host name arnold.ns.cloudflare.com points to: 2606:4700:58::adf5:3b45, 2803:f800:50::6ca2:c145, 2a06:98c1:50::ac40:2145, 108.162.193.69, 172.64.33.69 and 173.245.59.69.

Host name wanda.ns.cloudflare.com points to: 2606:4700:50::adf5:3af0, 2803:f800:50::6ca2:c0f0, 2a06:98c1:50::ac40:20f0, 108.162.192.240, 172.64.32.240 and 173.245.58.240.

Mail Servers

Four mail servers handle chalksystems.com: us2.mx1.mailhostbox.com, us2.mx2.mailhostbox.com, us2.mx3.mailhostbox.com and chalksystems-com.mail.protection.outlook.com.

chalksystems.com shares some mail servers with other domains, at least partially, for instance moorehead.co.uk, ijrhas.com, mba42.com, daonclub.com and tahsaif.com.