Previously MX for

bou.edu.bd

www.bou.edu.bd

Same first word

bou.studio

bou.org.cn

bou.org.uk

bou.at

bou.rs

bou.ke

bou.org

bou.cl

bou.dk

bou.or.ug

bou.kr

bou.cz

bou.info

bou.us

bou.com

bou.si

bou.tw

bou.co

bou.se

bou.de

bou.io

bou.me

bou.fr

bou.dev

bou.ch

bou.nz

bou.com.ua

bou.watch

bou.edu.tr

bou.com.au

bou.media

bou.es

bou.net.au

bou.pl

Similar names

uob.edu.so

buo.pl

ubo.ro

oub.org

obu.nl

uob.ir

buo.bio

obu.it

obu.co

uob.co.jp

uob.my

buo.com

uob.co.id

uob.dk

oub.com

ubo.fr

obu.org

obu.dk

obu.com.tw

uob.ga

obu.biz

buo.de

buo.no

uob.sg

uob.edu.om

buo.org.mx

uob.se

uob.co.za

ubo.co.uk

ubo.dk

uob.cat

buo.us

obu.me

uob.net

ubo.org

uob.im

obu.us

uob.com.hk

ubo.ru

buo.cc

uob.com.tw

uob.design

oub.be

buo.co

uob.com

uob.group

ubo.it

oub.in

oub.com.ua

uob.com.br

ubo.jp

oub.net

buo.org

buo.mx

ubo.de

uob.us

oub.de

uob.cn

uob.com.ph

obu.in

buo.es

buo.in

obu.se

obu.edu

ubo.nl

ubo.co

obu.com.ua

buo.ch

obu.name

oub.mobi

uob.com.vn

uob.ac.pk

uob.nl

oub.cat

oub.at

obu.be

uob.com.my

ubo.vip

oub.cc

obu.to

obu.ru

uob.ru

DNS History

25 records (0 active, 25 former)

○NSdns1.bdren.net.bd2018-12-22 → 2026-02-15 · 11 obs

○ 2018-12-10 09:24:38
● 2018-12-22 16:02:10
● 2019-02-09 18:30:36
○ 2019-02-13 06:47:48
● 2019-02-18 11:37:10
○ 2019-02-25 12:50:52
○ 2019-04-01 12:08:36
● 2021-09-09 17:05:48
● 2026-02-15 06:26:30
○ 2026-02-16 07:12:58
○ 2026-03-28 04:11:18

○NSdns2.bdren.net.bd2018-12-22 → 2026-02-15 · 12 obs

○ 2018-12-10 09:24:38
● 2018-12-22 16:02:10
● 2019-02-07 05:21:12
○ 2019-02-09 18:30:36
○ 2019-02-13 06:47:48
● 2019-02-18 11:37:10
○ 2019-02-25 12:50:52
○ 2019-04-01 12:08:36
● 2021-09-09 17:05:48
● 2026-02-15 06:26:30
○ 2026-02-16 07:12:58
○ 2026-03-28 04:11:18

○NSds1.bdren.net.bd2026-02-15 → 2026-03-10 · 9 obs

○ 2021-09-09 17:05:48
● 2026-02-15 06:26:30
● 2026-02-22 07:12:20
○ 2026-02-22 22:56:22
○ 2026-02-23 23:08:10
● 2026-02-24 23:00:36
● 2026-03-10 09:08:14
○ 2026-03-28 04:11:14
○ 2026-03-28 04:11:18

○NSds2.bdren.net.bd2026-02-15 → 2026-03-10 · 9 obs

○NSns1.bou.edu.bd2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 04:16:46
○ 2015-08-30 00:36:50
○ 2026-03-28 04:11:18

○NSns1.connectbd.com2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 04:16:46
○ 2015-08-30 00:36:50
○ 2026-03-28 04:11:18

○NSns131.arnimit.com2015-08-30 → 2018-12-10 · 18 obs

○ 2009-07-02 04:16:46
● 2015-08-30 00:36:50
● 2015-11-18 00:55:06
○ 2015-11-19 09:26:56
○ 2015-11-26 11:27:52
● 2015-11-27 15:38:52
● 2015-12-09 23:50:18
○ 2015-12-20 20:08:20
● 2015-12-27 14:28:36
● 2016-01-31 20:56:42
○ 2016-02-03 22:31:58
● 2016-02-06 09:15:06
● 2016-04-27 12:43:18
○ 2016-05-06 05:03:36
● 2016-05-09 21:21:22
● 2018-12-10 09:24:38
○ 2018-12-22 16:02:10
○ 2026-03-28 04:11:18

○NSns132.arfitech.com2015-08-30 → 2017-07-28 · 18 obs

○ 2009-07-02 04:16:46
● 2015-08-30 00:36:50
● 2015-11-18 00:55:06
○ 2015-11-19 09:26:56
○ 2015-11-26 11:27:52
● 2015-11-27 15:38:52
● 2015-12-09 23:50:18
○ 2015-12-20 20:08:20
● 2015-12-27 14:28:36
● 2016-01-31 20:56:42
○ 2016-02-03 22:31:58
● 2016-02-06 09:15:06
● 2016-04-27 12:43:18
○ 2016-05-06 05:03:36
● 2016-05-09 21:21:22
● 2017-07-28 04:19:32
○ 2017-09-09 00:34:24
○ 2026-03-28 04:11:18

○NSns132.arnimit.com2017-09-09 → 2018-12-10 · 5 obs

○ 2017-07-28 04:19:32
● 2017-09-09 00:34:24
● 2018-12-10 09:24:38
○ 2018-12-22 16:02:10
○ 2026-03-28 04:11:18

○NSns133.arnimit.net2015-08-30 → 2018-12-10 · 18 obs

○NSns134.arfitech.net2015-08-30 → 2017-01-23 · 18 obs

○ 2009-07-02 04:16:46
● 2015-08-30 00:36:50
● 2015-11-18 00:55:06
○ 2015-11-19 09:26:56
○ 2015-11-26 11:27:52
● 2015-11-27 15:38:52
● 2015-12-09 23:50:18
○ 2015-12-20 20:08:20
● 2015-12-27 14:28:36
● 2016-01-31 20:56:42
○ 2016-02-03 22:31:58
● 2016-02-06 09:15:06
● 2016-04-27 12:43:18
○ 2016-05-06 05:03:36
● 2016-05-09 21:21:22
● 2017-01-23 14:19:58
○ 2017-02-14 00:45:44
○ 2026-03-28 04:11:18

○NSns134.arnimit.net2017-02-14 → 2018-12-10 · 5 obs

○ 2017-01-23 14:19:58
● 2017-02-14 00:45:44
● 2018-12-10 09:24:38
○ 2018-12-22 16:02:10
○ 2026-03-28 04:11:18

○NSns2.bou.edu.bd2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 04:16:46
○ 2015-08-30 00:36:50
○ 2026-03-28 04:11:18

○NSns2.connectbd.com2009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 04:16:46
○ 2015-08-30 00:36:50
○ 2026-03-28 04:11:18

○NSns3.bou.edu.bd2019-02-09 → 2019-04-01 · 8 obs

○ 2019-02-07 05:21:12
● 2019-02-09 18:30:36
● 2019-02-13 06:47:48
○ 2019-02-18 11:37:10
● 2019-02-25 12:50:52
● 2019-04-01 12:08:36
○ 2021-09-09 17:05:48
○ 2026-03-28 04:11:18

○MXbou.edu.bd2015-08-30 → 2017-09-09 · 21 obs

○ 2009-07-02 04:16:46
● 2015-08-30 00:36:50
● 2015-11-18 00:55:06
○ 2015-11-19 09:26:56
○ 2015-11-26 11:27:52
● 2015-11-27 15:38:52
● 2015-12-09 23:50:18
○ 2015-12-20 20:08:20
● 2015-12-27 14:28:36
● 2016-01-31 20:56:42
○ 2016-02-03 22:31:58
● 2016-02-06 09:15:06
● 2016-04-27 12:43:18
○ 2016-05-06 05:03:36
● 2016-05-09 21:21:22
● 2016-08-15 03:12:14
○ 2016-08-23 11:04:38
● 2016-08-31 06:45:58
● 2017-09-09 00:34:24
○ 2017-11-28 14:15:14
○ 2026-03-28 04:11:18

○MXmail.bou.edu.bd2009-07-02 → 2026-02-16 · 23 obs

● 2009-07-02 04:16:46
● 2015-11-18 00:55:06
○ 2015-11-19 09:26:56
○ 2015-11-26 11:27:52
● 2015-11-27 15:38:52
● 2015-12-09 23:50:18
○ 2015-12-20 20:08:20
● 2015-12-27 14:28:36
● 2016-01-31 20:56:42
○ 2016-02-03 22:31:58
● 2016-02-06 09:15:06
● 2016-04-27 12:43:18
○ 2016-05-06 05:03:36
● 2016-05-09 21:21:22
● 2016-08-15 03:12:14
○ 2016-08-23 11:04:38
● 2016-08-31 06:45:58
● 2017-07-28 04:19:32
○ 2017-09-09 00:34:24
● 2017-11-28 14:15:14
● 2026-02-16 07:12:58
○ 2026-02-20 07:11:12
○ 2026-03-28 04:11:18

○A103.103.100.622019-02-09 → 2019-04-01 · 8 obs

○ 2018-12-22 16:02:10
● 2019-02-09 18:30:36
● 2019-02-13 06:47:48
○ 2019-02-18 11:37:10
● 2019-02-25 12:50:52
● 2019-04-01 12:08:36
○ 2021-09-09 17:05:48
○ 2026-03-28 04:11:18

○A103.28.121.602018-12-22 → 2026-02-16 · 5 obs

○ 2018-12-10 09:24:38
● 2018-12-22 16:02:10
● 2026-02-16 07:12:58
○ 2026-02-20 07:11:12
○ 2026-03-28 04:11:18

○A162.255.166.1882018-03-02 → 2018-12-10 · 5 obs

○ 2017-11-28 14:15:14
● 2018-03-02 12:38:30
● 2018-12-10 09:24:38
○ 2018-12-22 16:02:10
○ 2026-03-28 04:11:18

○A192.185.149.782017-09-09 → 2017-11-28 · 5 obs

○ 2017-07-28 04:19:32
● 2017-09-09 00:34:24
● 2017-11-28 14:15:14
○ 2018-03-02 12:38:30
○ 2026-03-28 04:11:18

○A202.79.16.132009-07-02 → 2009-07-02 · 3 obs

● 2009-07-02 04:16:46
○ 2015-08-30 00:36:50
○ 2026-03-28 04:11:18

○A216.172.171.302017-07-28 → 2017-07-28 · 4 obs

○ 2017-07-09 22:14:34
● 2017-07-28 04:19:32
○ 2017-09-09 00:34:24
○ 2026-03-28 04:11:18

○A50.28.18.392015-08-30 → 2017-01-23 · 20 obs

○ 2009-07-02 04:16:46
● 2015-08-30 00:36:50
● 2015-11-15 21:43:28
○ 2015-11-18 00:55:06
○ 2015-11-26 11:27:52
● 2015-11-27 15:38:52
● 2015-12-09 23:50:18
○ 2015-12-20 20:08:20
● 2015-12-27 14:28:36
● 2016-01-31 20:56:42
○ 2016-02-03 22:31:58
● 2016-02-06 09:15:06
● 2016-04-27 12:43:18
○ 2016-05-06 05:03:36
● 2016-05-09 21:21:22
○ 2016-06-05 12:01:58
● 2016-06-14 15:19:38
● 2017-01-23 14:19:58
○ 2017-02-14 00:45:44
○ 2026-03-28 04:11:18

○A69.167.165.162017-02-14 → 2017-07-09 · 5 obs

○ 2017-01-23 14:19:58
● 2017-02-14 00:45:44
● 2017-07-09 22:14:34
○ 2017-07-28 04:19:32
○ 2026-03-28 04:11:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
bd	dns.bd, bd-ns.anycast.pch.net, surma.btcl.net.bd, jamuna.btcl.net.bd	8 records
bou.edu.bd	ds1.bdren.net.bd, ds2.bdren.net.bd	-

✅ Authoritative Response

Server:103.157.135.181

NS records: ds1.bdren.net.bd, ds2.bdren.net.bd

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bou.edu.bd (unsigned zone)

⏱️ Timing

Total: 2444ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 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)

	DNSSEC	⚠️ Not signed
	NS	`dns.bd` ⭐ ⚠️ Not in parent delegation
	NS	`bd-ns.anycast.pch.net` ⚠️ Not in parent delegation
	NS	`jamuna.btcl.net.bd` ⚠️ Not in parent delegation
	NS	`surma.btcl.net.bd` ⚠️ Not in parent delegation
	SOA	`dns.bd`root@dns.bd 2026-03-28 #19

bou.edu.bd - robtex.com

`bou.edu.bd`

`edu.bd`

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected