`keystoneconstructionco.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:9d4f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:dc4^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.196^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.157.79^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`luke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`luke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`luke.ns.cloudflare.com`
		A	108.162.193.200^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	172.64.33.200^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	173.245.59.200^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
NS	`vida.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vida.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vida.ns.cloudflare.com`
		A	108.162.192.236^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	172.64.32.236^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
		A	173.245.58.236^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vida.ns.cloudflare.com`
MX	`west.smtp.mx.exch091.serverdata.net` ⭐
		A	199.193.206.123^{🇺🇸 INTERMEDIA199.193.204.0/22 Intermedia.net}
			PTR	`west.smtp.mx.exch091.serverdata.net`
MX	`east.smtp.mx.exch091.serverdata.net`⁽²⁰⁾
		A	64.78.24.70^{🇺🇸 INTERMEDIA64.78.24.0/23 Virginia}
			PTR	`east.smtp.mx.exch091.serverdata.net`
TXT	`v=spf1 +a +mx +ip4:69.175.89.138 include:spf.serverdata.net include:sendgrid....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.196, 172.67.157.79
		IPv6 hints	2606:4700:3034::ac43:9d4f, 2606:4700:3036::6815:dc4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com
SOA	`luke.ns.cloudflare.com`dns@cloudflare.com serial=2401170762

`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=1776084372

Same first word

keystoneconstructionco.com

DNS History

12 records (8 active, 4 former)

●NSluke.ns.cloudflare.com2026-03-23 → 2026-04-13 · 2 obs

● 2026-03-23 13:50:58
● 2026-04-13 13:10:24

●NSvida.ns.cloudflare.com2026-03-23 → 2026-04-13 · 2 obs

● 2026-03-23 13:50:58
● 2026-04-13 13:10:24

●MXeast.smtp.mx.exch091.serverdata.net2026-03-23 → 2026-04-13 · 2 obs

● 2026-03-23 13:50:58
● 2026-04-13 13:10:24

●MXwest.smtp.mx.exch091.serverdata.net2026-03-23 → 2026-04-13 · 2 obs

● 2026-03-23 13:50:58
● 2026-04-13 13:10:24

●A104.21.13.1962026-03-23 → 2026-04-13 · 4 obs

● 2026-03-23 13:50:58
○ 2026-03-27 04:34:50
● 2026-03-31 18:51:52
● 2026-04-13 13:10:24

●A172.67.157.792026-03-23 → 2026-04-13 · 4 obs

● 2026-03-23 13:50:58
○ 2026-03-27 04:34:50
● 2026-03-31 18:51:52
● 2026-04-13 13:10:24

○A188.114.96.02026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-23 13:50:58
● 2026-03-27 04:34:50
○ 2026-03-31 18:51:52
○ 2026-04-13 13:10:24

○A188.114.97.02026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-23 13:50:58
● 2026-03-27 04:34:50
○ 2026-03-31 18:51:52
○ 2026-04-13 13:10:24

●A2606:4700:3034::ac43:9d4f2026-03-23 → 2026-04-13 · 4 obs

● 2026-03-23 13:50:58
○ 2026-03-27 04:34:50
● 2026-03-31 18:51:52
● 2026-04-13 13:10:24

●A2606:4700:3036::6815:dc42026-03-23 → 2026-04-13 · 4 obs

● 2026-03-23 13:50:58
○ 2026-03-27 04:34:50
● 2026-03-31 18:51:52
● 2026-04-13 13:10:24

○A2a06:98c1:3120::2026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-23 13:50:58
● 2026-03-27 04:34:50
○ 2026-03-31 18:51:52
○ 2026-04-13 13:10:24

○A2a06:98c1:3121::2026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-23 13:50:58
● 2026-03-27 04:34:50
○ 2026-03-31 18:51:52
○ 2026-04-13 13:10:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
keystoneconstructionco.com	luke.ns.cloudflare.com, vida.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.236

NS records: luke.ns.cloudflare.com, vida.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keystoneconstructionco.com (unsigned zone)

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.157.79, 104.21.13.196`
AAAA	2	`2606:4700:3034::ac43:9d4f, 2606:4700:3036::6815:dc4`
NS	2	`luke.ns.cloudflare.com, vida.ns.cloudflare.com`
MX	2	`west.smtp.mx.exch091.serverdata.net (pri, east.smtp.mx.exch091.serverdata.net (pri`
TXT	1	`v=spf1 +a +mx +ip4:69.175.89.138 include`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`luke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

keystoneconstructionco.com resolves to four IPs: 2606:4700:3034::ac43:9d4f, 2606:4700:3036::6815:dc4, 104.21.13.196 and 172.67.157.79.

Other host names such as alaskahealthalliance.net, luckymaxgames.com, allseasonshealth.co.uk, fitdeliverysz.info and printing4less.co.uk share IP numbers with keystoneconstructionco.com.

Name Servers

keystoneconstructionco.com is delegated to two name servers: luke.ns.cloudflare.com and vida.ns.cloudflare.com.

keystoneconstructionco.com uses the same name server setup as other domains, including derwentvalleysup.com, hotelsapphirelk.com, escapecentral.ro, wordiology.com and clicktofind.com.

At least part of the name servers for keystoneconstructionco.com are shared with other domains, for instance rimadesio.net, vitop24.top, chrome-actualizar.xyz, carrefour-express.ro and ricciardijoyas.com.

These name servers are commonly used alongside the name servers stanley.ns.cloudflare.com.

Host names with six IP numbers:

luke.ns.cloudflare.com points to: 2606:4700:58::adf5:3bc8, 2803:f800:50::6ca2:c1c8, 2a06:98c1:50::ac40:21c8, 108.162.193.200, 172.64.33.200 and 173.245.59.200.

vida.ns.cloudflare.com points to: 2606:4700:50::adf5:3aec, 2803:f800:50::6ca2:c0ec, 2a06:98c1:50::ac40:20ec, 108.162.192.236, 172.64.32.236 and 173.245.58.236.

Mail Servers

keystoneconstructionco.com is handled by two mail servers: east.smtp.mx.exch091.serverdata.net and west.smtp.mx.exch091.serverdata.net.

keystoneconstructionco.com uses the same mail server setup as other domains, for instance rakoci.com, bespokecollection.com, bcml.com, hostetterlegal.com and snsands.com.

keystoneconstructionco.com shares at least some mail servers with other domains, for example diablotg.com, mail.scvavolleyball.org, interiorplantscapesllc.com, brandermill.com and caspercaan.com.

Hostnames with a single IP

east.smtp.mx.exch091.serverdata.net resolves to: 64.78.24.70.

west.smtp.mx.exch091.serverdata.net resolves to: 199.193.206.123.

keystoneconstructionco.com - robtex.com