`greystonecontracting.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2d89^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:d72c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.45.137^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.215.44^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`hera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hera.ns.cloudflare.com`
		A	108.162.192.162^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	172.64.32.162^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	173.245.58.162^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
TXT	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.45.137, 172.67.215.44
		IPv6 hints	2606:4700:3034::6815:2d89, 2606:4700:3036::ac43:d72c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=47, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2408737680

`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=1784204452

Same first word

greystonecontracting.com

DNS History

22 records (6 active, 16 former)

●NSduke.ns.cloudflare.com2026-02-16 → 2026-07-16 · 3 obs

○ 2018-12-17 11:20:08
● 2026-02-16 01:31:40
● 2026-07-16 12:27:04

●NShera.ns.cloudflare.com2026-02-16 → 2026-07-16 · 3 obs

○ 2018-12-17 11:20:08
● 2026-02-16 01:31:40
● 2026-07-16 12:27:04

○NSns.mhn.net2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:51:24
○ 2015-07-23 21:07:12
○ 2026-07-16 12:27:04

○NSns1.mhn.net2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:51:24
○ 2015-07-23 21:07:12
○ 2026-07-16 12:27:04

○NSns1.p16.dynect.net2015-07-23 → 2018-12-17 · 5 obs

○ 2008-03-20 08:51:24
● 2015-07-23 21:07:12
● 2018-12-17 11:20:08
○ 2026-02-16 01:31:40
○ 2026-07-16 12:27:04

○NSns2.p16.dynect.net2015-07-23 → 2018-12-17 · 5 obs

○ 2008-03-20 08:51:24
● 2015-07-23 21:07:12
● 2018-12-17 11:20:08
○ 2026-02-16 01:31:40
○ 2026-07-16 12:27:04

○NSns3.p16.dynect.net2015-07-23 → 2018-12-17 · 5 obs

○ 2008-03-20 08:51:24
● 2015-07-23 21:07:12
● 2018-12-17 11:20:08
○ 2026-02-16 01:31:40
○ 2026-07-16 12:27:04

○NSns4.p16.dynect.net2015-07-23 → 2018-12-17 · 5 obs

○ 2008-03-20 08:51:24
● 2015-07-23 21:07:12
● 2018-12-17 11:20:08
○ 2026-02-16 01:31:40
○ 2026-07-16 12:27:04

○MXmail.greystonecontracting.com2008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 08:51:24
○ 2015-07-23 21:07:12
○ 2026-07-16 12:27:04

○MXmx1.emailsrvr.com2015-07-23 → 2026-02-16 · 5 obs

○ 2008-03-20 08:51:24
● 2015-07-23 21:07:12
● 2026-02-16 01:31:40
○ 2026-02-28 19:27:44
○ 2026-07-16 12:27:04

○MXmx2.emailsrvr.com2015-07-23 → 2026-02-16 · 5 obs

○ 2008-03-20 08:51:24
● 2015-07-23 21:07:12
● 2026-02-16 01:31:40
○ 2026-02-28 19:27:44
○ 2026-07-16 12:27:04

●A104.21.45.1372026-02-16 → 2026-07-16 · 5 obs

○ 2018-12-17 11:20:08
● 2026-02-16 01:31:40
○ 2026-02-28 19:27:44
○ 2026-03-30 13:48:10
● 2026-07-16 12:27:04

●A172.67.215.442026-02-16 → 2026-07-16 · 5 obs

○ 2018-12-17 11:20:08
● 2026-02-16 01:31:40
○ 2026-02-28 19:27:44
○ 2026-03-30 13:48:10
● 2026-07-16 12:27:04

○A188.114.96.02026-02-28 → 2026-03-30 · 4 obs

○ 2026-02-16 01:31:40
● 2026-02-28 19:27:44
● 2026-03-30 13:48:10
○ 2026-07-16 12:27:04

○A188.114.97.02026-02-28 → 2026-03-30 · 4 obs

○ 2026-02-16 01:31:40
● 2026-02-28 19:27:44
● 2026-03-30 13:48:10
○ 2026-07-16 12:27:04

○A204.145.210.1232015-07-23 → 2018-12-17 · 5 obs

○ 2008-03-20 08:51:24
● 2015-07-23 21:07:12
● 2018-12-17 11:20:08
○ 2026-02-16 01:31:40
○ 2026-07-16 12:27:04

○A2606:4700:3031::ac43:d72c2026-02-16 → 2026-02-16 · 4 obs

○ 2018-12-17 11:20:08
● 2026-02-16 01:31:40
○ 2026-02-28 19:27:44
○ 2026-07-16 12:27:04

●A2606:4700:3034::6815:2d892026-07-16 → 2026-07-16 · 2 obs

○ 2026-03-30 13:48:10
● 2026-07-16 12:27:04

○A2606:4700:3035::6815:2d892026-02-16 → 2026-02-16 · 4 obs

○ 2018-12-17 11:20:08
● 2026-02-16 01:31:40
○ 2026-02-28 19:27:44
○ 2026-07-16 12:27:04

●A2606:4700:3036::ac43:d72c2026-07-16 → 2026-07-16 · 2 obs

○ 2026-03-30 13:48:10
● 2026-07-16 12:27:04

○A2a06:98c1:3120::2026-02-28 → 2026-03-30 · 4 obs

○ 2026-02-16 01:31:40
● 2026-02-28 19:27:44
● 2026-03-30 13:48:10
○ 2026-07-16 12:27:04

○A2a06:98c1:3121::2026-02-28 → 2026-03-30 · 4 obs

○ 2026-02-16 01:31:40
● 2026-02-28 19:27:44
● 2026-03-30 13:48:10
○ 2026-07-16 12:27:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
greystonecontracting.com	duke.ns.cloudflare.com, hera.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.162

NS records: duke.ns.cloudflare.com, hera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for greystonecontracting.com (unsigned zone)

⏱️ Timing

Total: 149ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.45.137, 172.67.215.44`
AAAA	2	`2606:4700:3036::ac43:d72c, 2606:4700:3034::6815:2d89`
NS	2	`duke.ns.cloudflare.com, hera.ns.cloudflare.com`
TXT	1	`v=spf1 include:%{ir}.%{v}.%{d}.spf.has.p`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

greystonecontracting.com has four IP addresses: 104.21.45.137, 172.67.215.44, 2606:4700:3034::6815:2d89 and 2606:4700:3036::ac43:d72c.

esphv.com, uebler.hu, cdn.9dkei2s.cfd and two other host names share IP numbers with greystonecontracting.com.

Name Servers

greystonecontracting.com is delegated to two name servers: duke.ns.cloudflare.com and hera.ns.cloudflare.com.

greystonecontracting.com uses the same name servers as several other domains — among them brozler.us, sic-software.mobi, e-trailerhitch.com and two more.

greystonecontracting.com partially shares its NS delegation with several other domains, including justlyrics.com, troyint.com, ensolims.com and two others.

These name servers often co-occur with the name servers bart.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

duke.ns.cloudflare.com resolves to 108.162.193.110, 172.64.33.110, 173.245.59.110 and 3 other IP addresses.

hera.ns.cloudflare.com resolves to 108.162.192.162, 172.64.32.162, 173.245.58.162 and 3 other IP addresses.

greystonecontracting.com - robtex.com