b2rcom.com - dns.ninja

`b2rcom.com`

DNSSEC	⚠️ Not signed
A	3.166.181.41^{🇺🇸 Amazon3.166.176.0/21}
		PTR	`server-3-166-181-41.mia50.r.cloudfront.net`
A	3.166.181.73^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.74^{🇺🇸 Amazon3.166.176.0/21}
A	3.166.181.76^{🇺🇸 Amazon3.166.176.0/21}
NS	`cns1.hostcocoa.com` ⭐
		A	205.251.196.138^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1162.awsdns-17.org`
NS	`cns2.hostcocoa.com`
		A	205.251.194.81^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-593.awsdns-10.net`
NS	`cns3.hostcocoa.com`
		A	205.251.193.7^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-263.awsdns-32.com`
NS	`cns4.hostcocoa.com`
		A	205.251.199.181^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1973.awsdns-54.co.uk`
MX	`mailapp.hiworks.co.kr` ⭐
		A	45.120.71.59^{🇰🇷 DACOM-NET45.120.71.0/24}
			PTR	`mailapp.hiworks.co.kr`
		A	121.254.168.55^{🇰🇷 DACOM-NET121.254.128.0/17 contact noc@bora.net if necessary}
			PTR	`mailapp.hiworks.co.kr`
		A	211.47.76.59^{🇰🇷 DACOM-NET211.47.76.0/24 proxy for HANARO TELECOM route}
			PTR	`mailapp.hiworks.co.kr`
TXT	`v=spf1 include:_spf.hiworks.co.kr ~all`
SOA	`cns1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=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=1785950724

Subdomains

www.b2rcom.com

Same first word

b2rcom.com

Similar names

mrob2c.com

DNS History

73 records (9 active, 64 former)

●NScns1.hostcocoa.com2026-02-17 → 2026-08-05 · 2 obs

● 2026-02-17 11:45:34
● 2026-08-05 17:55:18

●NScns2.hostcocoa.com2026-02-17 → 2026-08-05 · 2 obs

● 2026-02-17 11:45:34
● 2026-08-05 17:55:18

●NScns3.hostcocoa.com2026-02-17 → 2026-08-05 · 2 obs

● 2026-02-17 11:45:34
● 2026-08-05 17:55:18

●NScns4.hostcocoa.com2026-02-17 → 2026-08-05 · 2 obs

● 2026-02-17 11:45:34
● 2026-08-05 17:55:18

●MXmailapp.hiworks.co.kr2026-02-17 → 2026-08-05 · 2 obs

● 2026-02-17 11:45:34
● 2026-08-05 17:55:18

○A13.225.196.222026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-04 15:04:16
● 2026-05-07 16:15:04
○ 2026-05-08 02:51:50
○ 2026-08-05 17:55:18

○A13.225.196.272026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-04 15:04:16
● 2026-05-07 16:15:04
○ 2026-05-08 02:51:50
○ 2026-08-05 17:55:18

○A13.225.196.452026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-04 15:04:16
● 2026-05-07 16:15:04
○ 2026-05-08 02:51:50
○ 2026-08-05 17:55:18

○A13.225.196.532026-05-07 → 2026-05-07 · 4 obs

○ 2026-05-04 15:04:16
● 2026-05-07 16:15:04
○ 2026-05-08 02:51:50
○ 2026-08-05 17:55:18

○A13.227.173.1022026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 05:38:44
● 2026-07-25 19:24:08
○ 2026-07-26 03:36:32
○ 2026-08-05 17:55:18

○A13.227.173.112026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 05:38:44
● 2026-07-25 19:24:08
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○ 2026-08-05 17:55:18

○A13.227.173.612026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 05:38:44
● 2026-07-25 19:24:08
○ 2026-07-26 03:36:32
○ 2026-08-05 17:55:18

○A13.227.173.962026-07-25 → 2026-07-25 · 4 obs

○ 2026-07-25 05:38:44
● 2026-07-25 19:24:08
○ 2026-07-26 03:36:32
○ 2026-08-05 17:55:18

○A13.249.141.1032026-05-19 → 2026-07-02 · 26 obs

○ 2026-05-17 15:53:44
● 2026-05-19 13:43:40
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● 2026-05-19 19:06:12
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● 2026-07-02 11:43:52
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○ 2026-08-05 17:55:18

○A13.249.141.1182026-05-19 → 2026-07-02 · 26 obs

○A13.249.141.432026-05-19 → 2026-07-02 · 26 obs

○A13.249.141.662026-05-19 → 2026-07-02 · 26 obs

○A13.33.109.1052026-04-23 → 2026-05-21 · 25 obs

○ 2026-04-18 22:04:36
● 2026-04-23 19:36:56
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○ 2026-08-05 17:55:18

○A13.33.109.112026-04-23 → 2026-05-21 · 25 obs

○A13.33.109.262026-04-23 → 2026-05-21 · 25 obs

○A13.33.109.922026-04-23 → 2026-05-21 · 25 obs

○A18.154.132.122026-02-17 → 2026-08-04 · 70 obs

○ 2026-02-17 17:52:48
● 2026-02-17 22:59:50
○ 2026-02-18 08:41:28
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● 2026-02-23 14:14:42
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● 2026-02-25 06:41:34
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● 2026-03-18 11:18:50
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● 2026-07-03 11:05:38
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○A18.154.132.222026-02-17 → 2026-08-04 · 70 obs

○A18.154.132.562026-02-17 → 2026-08-04 · 70 obs

○A18.154.132.722026-02-17 → 2026-08-04 · 70 obs

○A18.155.1.1012026-04-04 → 2026-07-30 · 44 obs

○ 2026-03-30 02:17:24
● 2026-04-04 17:19:42
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○A18.155.1.192026-04-04 → 2026-07-30 · 44 obs

○A18.155.1.502026-04-04 → 2026-07-30 · 44 obs

○A18.155.1.592026-04-04 → 2026-07-30 · 44 obs

○A18.160.156.1032026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-30 14:08:56
● 2026-05-30 22:50:50
○ 2026-05-31 12:45:22
○ 2026-08-05 17:55:18

○A18.160.156.212026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-30 14:08:56
● 2026-05-30 22:50:50
○ 2026-05-31 12:45:22
○ 2026-08-05 17:55:18

○A18.160.156.252026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-30 14:08:56
● 2026-05-30 22:50:50
○ 2026-05-31 12:45:22
○ 2026-08-05 17:55:18

○A18.160.156.962026-05-30 → 2026-05-30 · 4 obs

○ 2026-05-30 14:08:56
● 2026-05-30 22:50:50
○ 2026-05-31 12:45:22
○ 2026-08-05 17:55:18

○A18.173.219.1082026-04-12 → 2026-04-12 · 4 obs

○ 2026-04-10 23:56:16
● 2026-04-12 00:12:06
○ 2026-04-12 07:17:50
○ 2026-08-05 17:55:18

○A18.173.219.292026-04-12 → 2026-04-12 · 4 obs

○ 2026-04-10 23:56:16
● 2026-04-12 00:12:06
○ 2026-04-12 07:17:50
○ 2026-08-05 17:55:18

○A18.173.219.42026-04-12 → 2026-04-12 · 4 obs

○ 2026-04-10 23:56:16
● 2026-04-12 00:12:06
○ 2026-04-12 07:17:50
○ 2026-08-05 17:55:18

○A18.173.219.702026-04-12 → 2026-04-12 · 4 obs

○ 2026-04-10 23:56:16
● 2026-04-12 00:12:06
○ 2026-04-12 07:17:50
○ 2026-08-05 17:55:18

○A18.64.174.22026-07-09 → 2026-07-15 · 8 obs

○ 2026-07-08 12:21:34
● 2026-07-09 09:42:04
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● 2026-07-10 08:30:34
○ 2026-07-10 12:58:46
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○ 2026-08-05 17:55:18

○A18.64.174.762026-07-09 → 2026-07-15 · 8 obs

○ 2026-07-08 12:21:34
● 2026-07-09 09:42:04
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● 2026-07-10 08:30:34
○ 2026-07-10 12:58:46
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○A18.64.174.772026-07-09 → 2026-07-15 · 8 obs

○ 2026-07-08 12:21:34
● 2026-07-09 09:42:04
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● 2026-07-10 08:30:34
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○A18.64.174.952026-07-09 → 2026-07-15 · 8 obs

○ 2026-07-08 12:21:34
● 2026-07-09 09:42:04
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● 2026-07-10 08:30:34
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○A216.137.53.132026-02-18 → 2026-06-27 · 27 obs

○ 2026-02-18 08:41:28
● 2026-02-18 23:36:40
● 2026-02-19 13:24:18
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● 2026-02-20 00:57:32
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○A216.137.53.622026-02-18 → 2026-06-27 · 27 obs

○A216.137.53.642026-02-18 → 2026-06-27 · 27 obs

○A216.137.53.72026-02-18 → 2026-06-27 · 27 obs

○A3.162.20.1122026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-29 01:27:54
● 2026-05-29 02:29:40
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○A3.162.20.22026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-29 01:27:54
● 2026-05-29 02:29:40
● 2026-05-29 03:37:56
○ 2026-05-29 08:45:02
○ 2026-08-05 17:55:18

○A3.162.20.582026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-29 01:27:54
● 2026-05-29 02:29:40
● 2026-05-29 03:37:56
○ 2026-05-29 08:45:02
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○A3.162.20.682026-05-29 → 2026-05-29 · 5 obs

○ 2026-05-29 01:27:54
● 2026-05-29 02:29:40
● 2026-05-29 03:37:56
○ 2026-05-29 08:45:02
○ 2026-08-05 17:55:18

●A3.166.181.412026-04-08 → 2026-08-05 · 111 obs

○ 2026-04-07 00:13:26
● 2026-04-08 03:23:18
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●A3.166.181.732026-04-08 → 2026-08-05 · 111 obs

●A3.166.181.742026-04-08 → 2026-08-05 · 111 obs

●A3.166.181.762026-04-08 → 2026-08-05 · 111 obs

○A3.166.192.122026-04-14 → 2026-07-31 · 44 obs

○ 2026-04-13 12:20:58
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○A3.166.192.1222026-04-14 → 2026-07-31 · 44 obs

○A3.166.192.422026-04-14 → 2026-07-31 · 44 obs

○A3.166.192.782026-04-14 → 2026-07-31 · 44 obs

○A3.170.19.1112026-02-17 → 2026-08-04 · 39 obs

● 2026-02-17 11:45:34
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○A3.170.19.1132026-02-17 → 2026-08-04 · 39 obs

○A3.170.19.372026-02-17 → 2026-08-04 · 39 obs

○A3.170.19.592026-02-17 → 2026-08-04 · 39 obs

○A3.174.113.272026-06-02 → 2026-07-18 · 16 obs

○ 2026-05-31 12:45:22
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○A3.174.113.502026-06-02 → 2026-07-18 · 16 obs

○A3.174.113.742026-06-02 → 2026-07-18 · 16 obs

○A3.174.113.882026-06-02 → 2026-07-18 · 16 obs

○A54.192.151.32026-05-30 → 2026-06-04 · 12 obs

○ 2026-05-29 08:45:02
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○A54.192.151.402026-05-30 → 2026-06-04 · 12 obs

○A54.192.151.452026-05-30 → 2026-06-04 · 12 obs

○A54.192.151.572026-05-30 → 2026-06-04 · 12 obs

○A99.84.234.1092026-03-14 → 2026-05-19 · 15 obs

○ 2026-03-07 11:29:04
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○A99.84.234.162026-03-14 → 2026-05-19 · 15 obs

○A99.84.234.192026-03-14 → 2026-05-19 · 15 obs

○A99.84.234.962026-03-14 → 2026-05-19 · 15 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
b2rcom.com	cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com	4 records

✅ Authoritative Response

Server:205.251.199.181

NS records: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for b2rcom.com (unsigned zone)

⏱️ Timing

Total: 288ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.170.19.59, 3.170.19.111...`
NS	4	`cns1.hostcocoa.com, cns2.hostcocoa.com...`
MX	1	`mailapp.hiworks.co.kr (pri: 10)`
TXT	1	`v=spf1 include:_spf.hiworks.co.kr ~all`
SOA	1	`cns1.hostcocoa.com awsdns-hostmaster.ama`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com...)

Analysis

Hierarchy

b2rcom.com is a parent domain of www.b2rcom.com.

IP Addresses

b2rcom.com resolves to four IP addresses: 3.166.181.41, 3.166.181.73, 3.166.181.74 and 3.166.181.76.

design-system-next.sporza.be, fightingmuskiescamps.com, www.hibberdarmory.com plus two other host names have IP numbers in common with b2rcom.com.

Name Servers

Four name servers handle the delegation for b2rcom.com: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com and cns4.hostcocoa.com.

b2rcom.com shares at least some of its name servers with other domains, including do-si.me, peacememo.org, traniacell.com and two others.

Four host names, each with one IP address: cns1.hostcocoa.com has 205.251.196.138, cns2.hostcocoa.com has 205.251.194.81, cns3.hostcocoa.com has 205.251.193.7 and cns4.hostcocoa.com has 205.251.199.181.

Mail Servers

b2rcom.com uses one mail server — mailapp.hiworks.co.kr.

The mail server setup of b2rcom.com matches that of other domains such as dreamever.co.kr, wghb.co.kr, coachingn.com and two others.

b2rcom.com shares at least some of its mail servers with other domains, such as usenjoy.com.

mailapp.hiworks.co.kr resolves to three IP numbers — 45.120.71.59, 121.254.168.55 and 211.47.76.59.