`sdeng.net`

DNSSEC	⚠️ Not signed
A	52.85.193.2^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
		PTR	`server-52-85-193-2.iad55.r.cloudfront.net`
A	52.85.193.34^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.85^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
A	52.85.193.112^{🇺🇸 Amazon52.85.192.0/22 - CloudFront TD}
NS	`bns1.hostcocoa.com` ⭐
		A	205.251.192.254^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-254.awsdns-31.com`
NS	`bns2.hostcocoa.com`
		A	205.251.194.231^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-743.awsdns-28.net`
NS	`bns3.hostcocoa.com`
		A	205.251.196.209^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1233.awsdns-26.org`
NS	`bns4.hostcocoa.com`
		A	205.251.198.107^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1643.awsdns-13.co.uk`
MX	`mail.sdeng.net` ⭐
		A	121.189.61.156^{🇰🇷 KT-NET121.184.0.0/13}
TXT	`v=spf1 include:_spf1.mailnara.co.kr include:_spf2.mailnara.co.kr include:_spf...`
SOA	`bns1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=1

`net`

	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=1771291465

Subdomains

mail.sdeng.net

Same first word

sdeng.com

sdeng.co.uk

sdeng.eu

sdeng.gr

sdeng.net

Similar names

engds.co

engsd.com

dgsen.kg

dnsge.com

desgn.com

dsgen.com

desng.com

edsng.com

sendg.com

dseng.de

engsd.ch

gsend.email

dengs.com

dseng.net

dnegs.com

egdns.cn

dseng.co.jp

nsged.com

desgn.de

gdnes.com

engds.it

dengs.it

dseng.ru

dnseg.com

gdens.com

engds.co.uk

desgn.cn

densg.com

gedns.com

sgden.com

degns.com

gsend.com

ndseg.com

desgn.ru

desgn.net

dseng.co.kr

engds.com

gsend.org

gsden.co.kr

gnesd.com

dgens.com

gsned.com

gedns.net

degns.dk

egdns.com

egdns.eg

dgsen.com

DNS History

32 records (9 active, 23 former)

●NSbns1.hostcocoa.com2026-02-15 → 2026-03-03 · 3 obs

○ 2020-03-06 03:51:02
● 2026-02-15 04:33:22
● 2026-03-03 06:16:20

●NSbns2.hostcocoa.com2026-02-15 → 2026-03-03 · 3 obs

○ 2020-03-06 03:51:02
● 2026-02-15 04:33:22
● 2026-03-03 06:16:20

●NSbns3.hostcocoa.com2026-02-15 → 2026-03-03 · 3 obs

○ 2020-03-06 03:51:02
● 2026-02-15 04:33:22
● 2026-03-03 06:16:20

●NSbns4.hostcocoa.com2026-02-15 → 2026-03-03 · 3 obs

○ 2020-03-06 03:51:02
● 2026-02-15 04:33:22
● 2026-03-03 06:16:20

○NSns1.sdsns.com2015-08-05 → 2020-03-06 · 4 obs

● 2015-08-05 21:09:52
● 2020-03-06 03:51:02
○ 2026-02-15 04:33:22
○ 2026-03-03 06:16:20

○NSns2.sdsns.com2015-08-05 → 2020-03-06 · 4 obs

● 2015-08-05 21:09:52
● 2020-03-06 03:51:02
○ 2026-02-15 04:33:22
○ 2026-03-03 06:16:20

●MXmail.sdeng.net2015-08-05 → 2026-03-03 · 2 obs

● 2015-08-05 21:09:52
● 2026-03-03 06:16:20

○A13.226.144.22026-02-17 → 2026-03-02 · 37 obs

○ 2026-02-16 06:50:06
● 2026-02-17 00:58:00
● 2026-02-17 07:33:14
○ 2026-02-17 12:25:26
● 2026-02-17 19:09:22
● 2026-02-18 04:37:16
○ 2026-02-18 08:15:08
● 2026-02-18 20:48:14
○ 2026-02-19 06:41:56
○ 2026-02-20 11:40:20
● 2026-02-20 23:54:50
○ 2026-02-21 05:47:42
○ 2026-02-22 09:07:22
● 2026-02-22 22:32:32
● 2026-02-22 23:51:10
○ 2026-02-23 13:17:12
● 2026-02-23 17:19:58
○ 2026-02-24 19:25:06
● 2026-02-25 01:57:42
○ 2026-02-25 06:36:24
○ 2026-02-25 14:32:14
● 2026-02-25 21:25:34
○ 2026-02-26 06:59:26
● 2026-02-26 08:30:42
● 2026-02-26 10:56:30
○ 2026-02-26 11:26:50
○ 2026-02-28 05:05:48
● 2026-02-28 05:56:28
○ 2026-02-28 10:56:42
○ 2026-02-28 22:37:40
● 2026-03-01 05:49:10
● 2026-03-01 10:00:16
○ 2026-03-01 17:37:16
● 2026-03-02 23:07:48
● 2026-03-02 23:46:16
○ 2026-03-03 00:55:54
○ 2026-03-03 06:16:20

○A13.226.144.802026-02-17 → 2026-03-02 · 37 obs

○A13.226.144.942026-02-17 → 2026-03-02 · 37 obs

○A13.226.144.992026-02-17 → 2026-03-02 · 37 obs

○A13.33.67.562026-02-16 → 2026-02-16 · 6 obs

○ 2026-02-15 23:27:12
● 2026-02-16 01:59:58
○ 2026-02-16 02:33:16
● 2026-02-16 04:56:50
○ 2026-02-16 06:50:06
○ 2026-03-03 06:16:20

○A13.33.67.82026-02-16 → 2026-02-16 · 6 obs

○ 2026-02-15 23:27:12
● 2026-02-16 01:59:58
○ 2026-02-16 02:33:16
● 2026-02-16 04:56:50
○ 2026-02-16 06:50:06
○ 2026-03-03 06:16:20

○A13.33.67.942026-02-16 → 2026-02-16 · 6 obs

○ 2026-02-15 23:27:12
● 2026-02-16 01:59:58
○ 2026-02-16 02:33:16
● 2026-02-16 04:56:50
○ 2026-02-16 06:50:06
○ 2026-03-03 06:16:20

○A13.33.67.952026-02-16 → 2026-02-16 · 6 obs

○ 2026-02-15 23:27:12
● 2026-02-16 01:59:58
○ 2026-02-16 02:33:16
● 2026-02-16 04:56:50
○ 2026-02-16 06:50:06
○ 2026-03-03 06:16:20

○A18.164.154.1212026-02-15 → 2026-03-01 · 48 obs

○ 2020-03-06 03:51:02
● 2026-02-15 04:33:22
● 2026-02-15 08:16:36
○ 2026-02-15 13:06:16
● 2026-02-15 19:59:48
● 2026-02-15 23:27:12
○ 2026-02-16 01:59:58
○ 2026-02-17 07:33:14
● 2026-02-17 12:25:26
○ 2026-02-17 19:09:22
○ 2026-02-18 04:37:16
● 2026-02-18 08:15:08
○ 2026-02-18 20:48:14
● 2026-02-19 06:41:56
● 2026-02-19 11:21:28
○ 2026-02-20 03:31:24
○ 2026-02-20 23:54:50
● 2026-02-21 05:47:42
○ 2026-02-21 14:11:46
○ 2026-02-21 15:33:28
● 2026-02-22 06:03:16
● 2026-02-22 09:07:22
○ 2026-02-22 22:32:32
○ 2026-02-22 23:51:10
● 2026-02-23 13:17:12
○ 2026-02-23 17:19:58
● 2026-02-24 19:25:06
○ 2026-02-25 01:57:42
● 2026-02-25 06:36:24
○ 2026-02-25 13:41:40
● 2026-02-25 14:32:14
○ 2026-02-25 21:25:34
● 2026-02-26 06:59:26
○ 2026-02-26 08:30:42
○ 2026-02-26 10:56:30
● 2026-02-26 11:26:50
● 2026-02-26 18:15:18
○ 2026-02-27 09:46:16
○ 2026-02-27 14:02:20
● 2026-02-28 05:05:48
○ 2026-02-28 05:56:28
● 2026-02-28 10:56:42
● 2026-02-28 22:37:40
○ 2026-03-01 05:49:10
○ 2026-03-01 10:00:16
● 2026-03-01 17:37:16
○ 2026-03-02 23:07:48
○ 2026-03-03 06:16:20

○A18.164.154.262026-02-15 → 2026-03-01 · 48 obs

○A18.164.154.462026-02-15 → 2026-03-01 · 48 obs

○A18.164.154.742026-02-15 → 2026-03-01 · 48 obs

○A18.244.124.152026-02-15 → 2026-02-16 · 9 obs

○ 2026-02-15 08:16:36
● 2026-02-15 13:06:16
○ 2026-02-15 19:59:48
○ 2026-02-16 01:59:58
● 2026-02-16 02:33:16
○ 2026-02-16 04:56:50
● 2026-02-16 06:50:06
○ 2026-02-17 00:58:00
○ 2026-03-03 06:16:20

○A18.244.124.492026-02-15 → 2026-02-16 · 9 obs

○A18.244.124.542026-02-15 → 2026-02-16 · 9 obs

○A18.244.124.642026-02-15 → 2026-02-16 · 9 obs

○A211.239.157.1032015-08-05 → 2020-03-06 · 4 obs

● 2015-08-05 21:09:52
● 2020-03-06 03:51:02
○ 2026-02-15 04:33:22
○ 2026-03-03 06:16:20

○A3.167.112.272026-02-21 → 2026-02-21 · 5 obs

○ 2026-02-15 04:33:22
○ 2026-02-21 14:11:46
● 2026-02-21 15:33:28
○ 2026-02-22 06:03:16
○ 2026-03-03 06:16:20

○A3.167.112.392026-02-21 → 2026-02-21 · 5 obs

○ 2026-02-15 04:33:22
○ 2026-02-21 14:11:46
● 2026-02-21 15:33:28
○ 2026-02-22 06:03:16
○ 2026-03-03 06:16:20

○A3.167.112.522026-02-21 → 2026-02-21 · 5 obs

○ 2026-02-15 04:33:22
○ 2026-02-21 14:11:46
● 2026-02-21 15:33:28
○ 2026-02-22 06:03:16
○ 2026-03-03 06:16:20

○A3.167.112.892026-02-21 → 2026-02-21 · 5 obs

○ 2026-02-15 04:33:22
○ 2026-02-21 14:11:46
● 2026-02-21 15:33:28
○ 2026-02-22 06:03:16
○ 2026-03-03 06:16:20

●A52.85.193.1122026-02-20 → 2026-03-03 · 17 obs

○ 2026-02-19 11:21:28
● 2026-02-20 03:31:24
● 2026-02-20 11:40:20
○ 2026-02-20 23:54:50
○ 2026-02-21 05:47:42
● 2026-02-21 14:11:46
○ 2026-02-21 15:33:28
○ 2026-02-25 06:36:24
● 2026-02-25 13:41:40
○ 2026-02-25 14:32:14
○ 2026-02-26 18:15:18
● 2026-02-27 09:46:16
● 2026-02-27 14:02:20
○ 2026-02-28 05:05:48
○ 2026-03-02 23:46:16
● 2026-03-03 00:55:54
● 2026-03-03 06:16:20

●A52.85.193.22026-02-20 → 2026-03-03 · 17 obs

●A52.85.193.342026-02-20 → 2026-03-03 · 17 obs

●A52.85.193.852026-02-20 → 2026-03-03 · 17 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	j.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net...	-
sdeng.net	bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com	-

✅ Authoritative Response

Server: 205.251.192.254

NS records: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com, bns4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdeng.net (unsigned zone)

⏱️ Timing

Total: 3248ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`52.85.193.2, 52.85.193.85...`
NS	4	`bns1.hostcocoa.com, bns2.hostcocoa.com...`
MX	1	`mail.sdeng.net (pri: 0)`
TXT	1	`v=spf1 include:_spf1.mailnara.co.kr incl`
SOA	1	`bns1.hostcocoa.com awsdns-hostmaster.ama`

Analysis

Hierarchy

sdeng.net is a parent of mail.sdeng.net.

IP Addresses

sdeng.net resolves to four IPs: 52.85.193.2, 52.85.193.34, 52.85.193.85 and 52.85.193.112.

Other host names such as stern-nyu.academia.edu, bchati-sc.academia.edu, sunyit.academia.edu, pokhara.academia.edu and p4ps.academia.edu share IP numbers with sdeng.net.

Name Servers

sdeng.net is delegated to four name servers: bns1.hostcocoa.com, bns2.hostcocoa.com, bns3.hostcocoa.com and bns4.hostcocoa.com.

Host names with one IP: bns1.hostcocoa.com points to 205.251.192.254; bns2.hostcocoa.com points to 205.251.194.231; bns3.hostcocoa.com points to 205.251.196.209; bns4.hostcocoa.com points to 205.251.198.107.

Mail Servers

The mail server for sdeng.net is mail.sdeng.net.

Host mail.sdeng.net points to IP 121.189.61.156.

sdeng.net - robtex.com

sdeng.net

net

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`sdeng.net`

`net`