otech.com.bd - robtex.com

otech.com.bd

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:9809🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:29d9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.217Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.9🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScass.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A2803:f800:50::6ca2:c051🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcass.ns.cloudflare.com
A2a06:98c1:50::ac40:2051🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcass.ns.cloudflare.com
A108.162.192.81🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A172.64.32.81🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A173.245.58.81🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
NSvern.ns.cloudflare.com
A2606:4700:58::adf5:3bf3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A2803:f800:50::6ca2:c1f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvern.ns.cloudflare.com
A2a06:98c1:50::ac40:21f3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvern.ns.cloudflare.com
A108.162.193.243🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A172.64.33.243🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
A173.245.59.243🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvern.ns.cloudflare.com
MX_dc-mx.e4b112b0cde6.otech.com.bd ⭐
A103.210.56.130🇧🇩 ACN-AS-AP103.210.56.0/24 Md. Wahid Murad 37, College Road
PTRns1.virtualhostbd.net
TXTgoogle-site-verification=gA3lb3mdMG8yqx-mjK06A1FK3zQAdyNYTbiLoeQcdAw
TXTv=spf1 +a +mx +ip4:103.210.56.130 ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.217, 172.67.152.9
IPv6 hints2606:4700:3033::ac43:9809, 2606:4700:3037::6815:29d9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=118, name=cloudflare-ech.com
SOAcass.ns.cloudflare.comdns@cloudflare.com serial=2410235672

com.bd

DNSSEC⚠️ Not signed
NSdns.bd ⭐ ⚠️ Not in parent delegation
NSbd-ns.anycast.pch.net ⚠️ Not in parent delegation
NSjamuna.btcl.net.bd ⚠️ Not in parent delegation
NSsurma.btcl.net.bd ⚠️ Not in parent delegation
SOAdns.bdroot@dns.bd serial=2025261816
WOT: SAFE (60/100)
WOT: SAFE (61/100)

Same first word

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otech.biz
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otech.co.za

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ctohe.org
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tohec.com
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techo.es
thceo.com
hecto.pl
hotec.edu.vn
theco.in
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hetco.af
hotce.com.cn
chote.me

DNS History

9 records (7 active, 2 former)

NScass.ns.cloudflare.comvern.ns.cloudflare.comMX_dc-mx.e4b112b0cde6.otech.com.bdA104.21.41.217172.67.152.92606:4700:3033::ac43:98092606:4700:3037::6815:29d92606:4700:3036::6815:29d92606:4700:3037::ac43:9809
●NScass.ns.cloudflare.com2026-05-14 → 2026-07-27 · 2 obs
● 2026-05-14 23:36:04
● 2026-07-27 04:20:14
●NSvern.ns.cloudflare.com2026-05-14 → 2026-07-27 · 2 obs
● 2026-05-14 23:36:04
● 2026-07-27 04:20:14
●MX_dc-mx.e4b112b0cde6.otech.com.bd2026-05-14 → 2026-07-27 · 2 obs
● 2026-05-14 23:36:04
● 2026-07-27 04:20:14
●A104.21.41.2172026-05-14 → 2026-07-27 · 2 obs
● 2026-05-14 23:36:04
● 2026-07-27 04:20:14
●A172.67.152.92026-05-14 → 2026-07-27 · 2 obs
● 2026-05-14 23:36:04
● 2026-07-27 04:20:14
●A2606:4700:3033::ac43:98092026-07-11 → 2026-07-27 · 3 obs
○ 2026-06-11 00:17:48
● 2026-07-11 23:54:48
● 2026-07-27 04:20:14
○A2606:4700:3036::6815:29d92026-05-14 → 2026-06-11 · 4 obs
● 2026-05-14 23:36:04
● 2026-06-11 00:17:48
○ 2026-07-11 23:54:48
○ 2026-07-27 04:20:14
●A2606:4700:3037::6815:29d92026-07-11 → 2026-07-27 · 3 obs
○ 2026-06-11 00:17:48
● 2026-07-11 23:54:48
● 2026-07-27 04:20:14
○A2606:4700:3037::ac43:98092026-05-14 → 2026-06-11 · 4 obs
● 2026-05-14 23:36:04
● 2026-06-11 00:17:48
○ 2026-07-11 23:54:48
○ 2026-07-27 04:20:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bddns.bd, bd-ns.anycast.pch.net, surma.btcl.net.bd, jamuna.btcl.net.bd8 records
otech.com.bdcass.ns.cloudflare.com, vern.ns.cloudflare.com-

✅ 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.com.bd (unsigned zone)

⏱️ Timing

Total: 3443ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.152.9, 104.21.41.217
AAAA22606:4700:3033::ac43:9809, 2606:4700:3037::6815:29d9
NS2cass.ns.cloudflare.com, vern.ns.cloudflare.com
MX1_dc-mx.e4b112b0cde6.otech.com.bd (pri: 1
TXT2google-site-verification=gA3lb3mdMG8yqx-, v=spf1 +a +mx +ip4:103.210.56.130 ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cass.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 8

In-bailiwick: 6 (dns.bd, surma.btcl.net.bd, jamuna.btcl.net.bd...)

Out-of-bailiwick: 2 (bd-ns.anycast.pch.net, bd-ns.anycast.pch.net)

Analysis

IP Addresses

otech.com.bd resolves to four IP addresses: 104.21.41.217, 172.67.152.9, 2606:4700:3033::ac43:9809 and 2606:4700:3037::6815:29d9.

v2fly.org, game3.flashgamespot.com, gocza.com plus two other host names have IP numbers in common with otech.com.bd.

Name Servers

otech.com.bd is delegated to two name servers: cass.ns.cloudflare.com and vern.ns.cloudflare.com.

The name server configuration of otech.com.bd is shared with other domains, for instance dpp.ltd.uk, tsezis.ru, featuretv.live and two others.

otech.com.bd shares at least some of its name servers with other domains, including linedigitaltv.com, johnstonadgroup.com, calcexp.com and two others.

These name servers are frequently seen alongside the name servers aragorn.ns.cloudflare.com.

Hosts with 6 IP addresses each:

cass.ns.cloudflare.com resolves to 108.162.192.81, 172.64.32.81, 173.245.58.81 and 3 other IP addresses.

vern.ns.cloudflare.com resolves to 108.162.193.243, 172.64.33.243, 173.245.59.243 and 3 other IP addresses.

Mail Servers

otech.com.bd uses one mail server — _dc-mx.e4b112b0cde6.otech.com.bd.

_dc-mx.e4b112b0cde6.otech.com.bd resolves to a single IP number: 103.210.56.130.