`otech-bd.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:42a4^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:cd71^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.164^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.205.113^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cass.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a51^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c051^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cass.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2051^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cass.ns.cloudflare.com`
		A	108.162.192.81^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	172.64.32.81^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
		A	173.245.58.81^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cass.ns.cloudflare.com`
NS	`vern.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vern.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vern.ns.cloudflare.com`
		A	108.162.193.243^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	172.64.33.243^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	173.245.59.243^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.164, 172.67.205.113
		IPv6 hints	2606:4700:3032::6815:42a4, 2606:4700:3033::ac43:cd71
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOA	`cass.ns.cloudflare.com`dns@cloudflare.com serial=2399748247

`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=1778616231

Same first word

otech-bd.com

Similar names

obd-tech.com

obd-tech.de

DNS History

10 records (6 active, 4 former)

●NScass.ns.cloudflare.com2026-02-24 → 2026-05-12 · 2 obs

● 2026-02-24 03:37:54
● 2026-05-12 20:11:58

●NSvern.ns.cloudflare.com2026-02-24 → 2026-05-12 · 2 obs

● 2026-02-24 03:37:54
● 2026-05-12 20:11:58

●A104.21.66.1642026-02-24 → 2026-05-12 · 5 obs

● 2026-02-24 03:37:54
● 2026-03-06 12:32:42
○ 2026-03-17 07:30:46
● 2026-04-29 18:58:00
● 2026-05-12 20:11:58

●A172.67.205.1132026-02-24 → 2026-05-12 · 5 obs

● 2026-02-24 03:37:54
● 2026-03-06 12:32:42
○ 2026-03-17 07:30:46
● 2026-04-29 18:58:00
● 2026-05-12 20:11:58

○A188.114.96.02026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-06 12:32:42
● 2026-03-17 07:30:46
○ 2026-04-29 18:58:00
○ 2026-05-12 20:11:58

○A188.114.97.02026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-06 12:32:42
● 2026-03-17 07:30:46
○ 2026-04-29 18:58:00
○ 2026-05-12 20:11:58

●A2606:4700:3032::6815:42a42026-02-24 → 2026-05-12 · 5 obs

● 2026-02-24 03:37:54
● 2026-03-06 12:32:42
○ 2026-03-17 07:30:46
● 2026-04-29 18:58:00
● 2026-05-12 20:11:58

●A2606:4700:3033::ac43:cd712026-02-24 → 2026-05-12 · 5 obs

● 2026-02-24 03:37:54
● 2026-03-06 12:32:42
○ 2026-03-17 07:30:46
● 2026-04-29 18:58:00
● 2026-05-12 20:11:58

○A2a06:98c1:3120::2026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-06 12:32:42
● 2026-03-17 07:30:46
○ 2026-04-29 18:58:00
○ 2026-05-12 20:11:58

○A2a06:98c1:3121::2026-03-17 → 2026-03-17 · 4 obs

○ 2026-03-06 12:32:42
● 2026-03-17 07:30:46
○ 2026-04-29 18:58:00
○ 2026-05-12 20:11:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
otech-bd.com	cass.ns.cloudflare.com, vern.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.243

NS records: cass.ns.cloudflare.com, vern.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for otech-bd.com (unsigned zone)

⏱️ Timing

Total: 266ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.164, 172.67.205.113`
AAAA	2	`2606:4700:3033::ac43:cd71, 2606:4700:3032::6815:42a4`
NS	2	`cass.ns.cloudflare.com, vern.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cass.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

otech-bd.com maps to four IP numbers: 2606:4700:3032::6815:42a4, 2606:4700:3033::ac43:cd71, 104.21.66.164 and 172.67.205.113.

Other host names such as kemp.net, www.swaynet.cn, opendocument.xml.org, eurodiet.org and lbvirt-gops1.youdagames.com share IPs with otech-bd.com.

Name Servers

Two name servers cass.ns.cloudflare.com and vern.ns.cloudflare.com handle the delegation for otech-bd.com.

otech-bd.com shares the same name server setup as other domains, for example otscr.com, prover.io, adsplacedhere.live, anacams.net and dph.ag.

otech-bd.com at least partially shares name servers with other domains, for example calculosurinarios.com, fphdream.com, mzgjx.com, southernsaratoga.org and vegansk.com.

These name servers are commonly used with nitin.ns.cloudflare.com and jobs.ns.cloudflare.com and amir.ns.cloudflare.com.

Host names with six IP numbers:

cass.ns.cloudflare.com points to 2606:4700:50::adf5:3a51, 2803:f800:50::6ca2:c051, 2a06:98c1:50::ac40:2051, 108.162.192.81, 172.64.32.81 and 173.245.58.81.

vern.ns.cloudflare.com points to 2606:4700:58::adf5:3bf3, 2803:f800:50::6ca2:c1f3, 2a06:98c1:50::ac40:21f3, 108.162.193.243, 172.64.33.243 and 173.245.59.243.

otech-bd.com - robtex.com

otech-bd.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`otech-bd.com`

`com`