`mail.cstonecontracting.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::ac43:8c4c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1b0b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.11^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.140.76^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.27.11, 172.67.140.76
		IPv6	2606:4700:3036::ac43:8c4c, 2606:4700:3037::6815:1b0b

`cstonecontracting.com`

	DNSSEC	⚠️ Not signed
	NS	`braelyn.ns.cloudflare.com` ⭐
	NS	`hasslo.ns.cloudflare.com`
	MX	`cstonecontracting-com.mail.protection.outlook.com` ⭐
	TXT	`MS=ms64695194`
	TXT	`v=spf1 include:spf.protection.outlook.com include:s410.smtp-spf.sureserver.co...`
	SOA	`braelyn.ns.cloudflare.com`dns@cloudflare.com serial=2399325843

Previously MX for

cstonecontracting.com

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DNS History

5 records (4 active, 1 former)

●A104.21.27.112026-03-25 → 2026-03-25 · 2 obs

○ 2016-04-29 07:20:38
● 2026-03-25 11:18:56

●A172.67.140.762026-03-25 → 2026-03-25 · 2 obs

○ 2016-04-29 07:20:38
● 2026-03-25 11:18:56

○A216.35.197.1042015-07-05 → 2016-04-29 · 3 obs

● 2015-07-05 02:02:08
● 2016-04-29 07:20:38
○ 2026-03-25 11:18:56

●A2606:4700:3036::ac43:8c4c2026-03-25 → 2026-03-25 · 2 obs

○ 2016-04-29 07:20:38
● 2026-03-25 11:18:56

●A2606:4700:3037::6815:1b0b2026-03-25 → 2026-03-25 · 2 obs

○ 2016-04-29 07:20:38
● 2026-03-25 11:18:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net...	-
cstonecontracting.com	braelyn.ns.cloudflare.com, hasslo.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.134

NS records: braelyn.ns.cloudflare.com, hasslo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cstonecontracting.com (unsigned zone)

⏱️ Timing

Total: 74ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.140.76, 104.21.27.11`
AAAA	2	`2606:4700:3037::6815:1b0b, 2606:4700:3036::ac43:8c4c`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

mail.cstonecontracting.com resolves to four IP numbers: 2606:4700:3036::ac43:8c4c, 2606:4700:3037::6815:1b0b, 104.21.27.11 and 172.67.140.76.

Other host names such as beabetterbartender.com, olx.pl-oferta6462846.click, alebilet.pl-oferta6462846.click, elavion.com.mx and zhonghongfuhui.com share IPs with mail.cstonecontracting.com.

mail.cstonecontracting.com - robtex.com