`advancetechbd.com`

DNSSEC	⚠️ Not signed
A	192.185.73.49^{🇺🇸 ORACLE-OCI-31898192.185.72.0/21 Google}
		PTR	`192-185-73-49.unifiedlayer.com`
NS	`ns1.namesell.biz` ⭐ ⚠️ Not in parent delegation
		A	2606:4700:3033::6815:45db^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2606:4700:3033::ac43:d581^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	104.21.69.219^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.67.213.129^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns2.namesell.biz` ⚠️ Not in parent delegation
		A	2606:4700:3033::6815:45db^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2606:4700:3033::ac43:d581^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	104.21.69.219^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.67.213.129^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns537.websitewelcome.com` ⚠️ Not in zone NS records
		A	192.185.73.37^{🇺🇸 ORACLE-OCI-31898192.185.72.0/21 Google}
			PTR	`ns537.websitewelcome.com`
NS	`ns538.websitewelcome.com` ⚠️ Not in zone NS records
		A	192.185.73.4^{🇺🇸 ORACLE-OCI-31898192.185.72.0/21 Google}
			PTR	`ns538.websitewelcome.com`
MX	`mail.advancetechbd.com` ⭐
		A	192.185.73.49^{🇺🇸 ORACLE-OCI-31898192.185.72.0/21 Google}
			PTR	`192-185-73-49.unifiedlayer.com`
TXT	`v=spf1 a mx include:websitewelcome.com ~all`
SOA	`ns1.namesell.biz`billalnazir@gmail.com 2026-03-20 #1

`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=1778424886

⚠️ On DNS blocklist: tif

Previously MX for

advancetechbd.com

Same first word

advancetechbd.com

Similar names

advancedbtech.com

DNS History

12 records (6 active, 6 former)

○NSns1.daffodil-online.com2015-06-21 → 2018-11-20 · 5 obs

○ 2008-11-08 00:15:00
● 2015-06-21 05:05:28
● 2018-11-20 20:04:38
○ 2026-05-07 06:28:22
○ 2026-05-10 15:04:04

○NSns1.name.com2015-06-21 → 2018-11-20 · 5 obs

○ 2008-11-08 00:15:00
● 2015-06-21 05:05:28
● 2018-11-20 20:04:38
○ 2026-05-07 06:28:22
○ 2026-05-10 15:04:04

●NSns1.namesell.biz2026-05-07 → 2026-05-10 · 3 obs

○ 2018-11-20 20:04:38
● 2026-05-07 06:28:22
● 2026-05-10 15:04:04

○NSns2.daffodil-online.com2015-06-21 → 2018-11-20 · 5 obs

○ 2008-11-08 00:15:00
● 2015-06-21 05:05:28
● 2018-11-20 20:04:38
○ 2026-05-07 06:28:22
○ 2026-05-10 15:04:04

○NSns2.name.com2015-06-21 → 2018-11-20 · 5 obs

○ 2008-11-08 00:15:00
● 2015-06-21 05:05:28
● 2018-11-20 20:04:38
○ 2026-05-07 06:28:22
○ 2026-05-10 15:04:04

●NSns2.namesell.biz2026-05-07 → 2026-05-10 · 3 obs

○ 2018-11-20 20:04:38
● 2026-05-07 06:28:22
● 2026-05-10 15:04:04

●NSns537.websitewelcome.com2026-05-07 → 2026-05-10 · 3 obs

○ 2018-11-20 20:04:38
● 2026-05-07 06:28:22
● 2026-05-10 15:04:04

●NSns538.websitewelcome.com2026-05-07 → 2026-05-10 · 3 obs

○ 2018-11-20 20:04:38
● 2026-05-07 06:28:22
● 2026-05-10 15:04:04

○MXadvancetechbd.com2015-06-21 → 2018-11-20 · 5 obs

○ 2008-11-08 00:15:00
● 2015-06-21 05:05:28
● 2018-11-20 20:04:38
○ 2026-05-07 06:28:22
○ 2026-05-10 15:04:04

●MXmail.advancetechbd.com2026-05-07 → 2026-05-10 · 3 obs

○ 2018-11-20 20:04:38
● 2026-05-07 06:28:22
● 2026-05-10 15:04:04

○A192.185.173.1612015-06-21 → 2018-11-20 · 5 obs

○ 2008-11-08 00:15:00
● 2015-06-21 05:05:28
● 2018-11-20 20:04:38
○ 2026-05-07 06:28:22
○ 2026-05-10 15:04:04

●A192.185.73.492026-05-07 → 2026-05-10 · 3 obs

○ 2018-11-20 20:04:38
● 2026-05-07 06:28:22
● 2026-05-10 15:04:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
advancetechbd.com	ns537.websitewelcome.com, ns538.websitewelcome.com	2 records

✅ Authoritative Response

Server:192.185.73.4

NS records: ns537.websitewelcome.com, ns538.websitewelcome.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for advancetechbd.com (unsigned zone)

⏱️ Timing

Total: 241ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.185.73.49`
NS	2	`ns1.namesell.biz, ns2.namesell.biz`
MX	1	`mail.advancetechbd.com (pri: 0)`
TXT	1	`v=spf1 a mx include:websitewelcome.com ~`
SOA	1	`ns1.namesell.biz billalnazir.gmail.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns537.websitewelcome.com, ns538.websitewelcome.com)

Analysis

IP Addresses

advancetechbd.com resolves to a single IP: 192.185.73.49.

Other host names, for instance cbs.ba, bangla21.tv, mail.bangla21.tv, mkleader.com and mail.jobistry.com share IP numbers with advancetechbd.com.

Name Servers

advancetechbd.com is delegated to four name servers: ns1.namesell.biz, ns2.namesell.biz, ns537.websitewelcome.com and ns538.websitewelcome.com.

advancetechbd.com shares some name servers with other domains, for example leathermaster.com.pk, jobistry.com, pmsports.biz, ekaysar.info and sunbury.biz.

These name servers are commonly used together with ns1.denebhostingsol.com and ns2.denebhostingsol.com.

Four IP numbers: ns1.namesell.biz points to: 2606:4700:3033::6815:45db, 2606:4700:3033::ac43:d581, 104.21.69.219 and 172.67.213.129. ns2.namesell.biz points to: 2606:4700:3033::6815:45db, 2606:4700:3033::ac43:d581, 104.21.69.219 and 172.67.213.129.

One IP number: ns537.websitewelcome.com points to: 192.185.73.37. ns538.websitewelcome.com points to: 192.185.73.4.

Patterns: ns1.namesell.biz and ns2.namesell.biz both point to 2606:4700:3033::6815:45db, 2606:4700:3033::ac43:d581, 104.21.69.219 and 172.67.213.129.

Host names that point to 2606:4700:3033::6815:45db: ns1.namesell.biz and ns2.namesell.biz.

Host names that point to 2606:4700:3033::ac43:d581: ns1.namesell.biz and ns2.namesell.biz.

Host names that point to 104.21.69.219: ns1.namesell.biz and ns2.namesell.biz.

Host names that point to 172.67.213.129: ns1.namesell.biz and ns2.namesell.biz.

Mail Servers

advancetechbd.com is handled by a single mail server, mail.advancetechbd.com.

Host name mail.advancetechbd.com points to IP 192.185.73.49.

advancetechbd.com - robtex.com