`opentech-service.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:90fe^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5f88^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.95.136^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.254^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`stella.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:269a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stella.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`stella.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`stella.ns.cloudflare.com`
		A	108.162.194.154^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stella.ns.cloudflare.com`
		A	162.159.38.154^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stella.ns.cloudflare.com`
		A	172.64.34.154^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`stella.ns.cloudflare.com`
NS	`tate.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cbf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tate.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3bf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tate.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23bf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tate.ns.cloudflare.com`
		A	108.162.195.191^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tate.ns.cloudflare.com`
		A	162.159.44.191^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tate.ns.cloudflare.com`
		A	172.64.35.191^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tate.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.95.136, 172.67.144.254
		IPv6 hints	2606:4700:3030::ac43:90fe, 2606:4700:3034::6815:5f88
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com
SOA	`stella.ns.cloudflare.com`dns@cloudflare.com serial=2402742654

`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=1778408306

⚠️ On DNS blocklist: tif

Same first word

opentech-service.com

DNS History

6 records (6 active, 0 former)

●NSstella.ns.cloudflare.com2026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 12:37:08
● 2026-05-10 10:36:08

●NState.ns.cloudflare.com2026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 12:37:08
● 2026-05-10 10:36:08

●A104.21.95.1362026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 12:37:08
● 2026-05-10 10:36:08

●A172.67.144.2542026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 12:37:08
● 2026-05-10 10:36:08

●A2606:4700:3030::ac43:90fe2026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 12:37:08
● 2026-05-10 10:36:08

●A2606:4700:3034::6815:5f882026-05-06 → 2026-05-10 · 2 obs

● 2026-05-06 12:37:08
● 2026-05-10 10:36:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
opentech-service.com	stella.ns.cloudflare.com, tate.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.154

NS records: stella.ns.cloudflare.com, tate.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opentech-service.com (unsigned zone)

⏱️ Timing

Total: 399ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.95.136, 172.67.144.254`
AAAA	2	`2606:4700:3030::ac43:90fe, 2606:4700:3034::6815:5f88`
NS	2	`stella.ns.cloudflare.com, tate.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`stella.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

opentech-service.com resolves to four IPs: 2606:4700:3030::ac43:90fe, 2606:4700:3034::6815:5f88, 104.21.95.136 and 172.67.144.254.

Other host names, for instance www.escolainfo.com.br, yijazionmanagementnet.digital, guritaprobolinggo.live, xlwbh.com and www.asthmahandbook.org.au share IP numbers with opentech-service.com.

Name Servers

opentech-service.com has two name servers: stella.ns.cloudflare.com and tate.ns.cloudflare.com.

opentech-service.com shares the same name server setup as other domains, for example vbet138.com, arknoa.ru, zi7v2.com, ab39z.com and sp-9999.com.

opentech-service.com shares some name servers with other domains, for example impromptuparties.com, 57997v.com, bodhiseeds.love, qwikvisas.com and lsyrsc.com.

These name servers are commonly used together with john.ns.cloudflare.com and susan.ns.cloudflare.com.

Host names with six IP numbers: stella.ns.cloudflare.com points to: 2606:4700:50::a29f:269a, 2803:f800:50::6ca2:c29a, 2a06:98c1:50::ac40:229a, 108.162.194.154, 162.159.38.154 and 172.64.34.154; tate.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbf, 2803:f800:50::6ca2:c3bf, 2a06:98c1:50::ac40:23bf, 108.162.195.191, 162.159.44.191 and 172.64.35.191.

opentech-service.com - robtex.com