`biotools.kr`

DNSSEC	⚠️ Not signed
A	3.167.112.17^{🇺🇸 Amazon3.167.112.0/21}
		PTR	`server-3-167-112-17.iad55.r.cloudfront.net`
A	3.167.112.44^{🇺🇸 Amazon3.167.112.0/21}
A	3.167.112.99^{🇺🇸 Amazon3.167.112.0/21}
A	3.167.112.122^{🇺🇸 Amazon3.167.112.0/21}
NS	`ans1.hostcocoa.com` ⭐
		A	205.251.192.117^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-117.awsdns-14.com`
NS	`ans2.hostcocoa.com`
		A	205.251.195.46^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-814.awsdns-37.net`
NS	`ans3.hostcocoa.com`
		A	205.251.197.133^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1413.awsdns-48.org`
NS	`ans4.hostcocoa.com`
		A	205.251.198.221^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1757.awsdns-27.co.uk`
TXT	`v=spf1 ip4:52.79.92.223 ~all`
SOA	`ans1.hostcocoa.com`awsdns-hostmaster@amazon.com serial=1

`kr`

	DNSSEC	🔒 Signed (DS record present)
	NS	`g.dns.kr` ⭐ 🔒
	NS	`b.dns.kr`
	NS	`c.dns.kr` 🔒
	NS	`d.dns.kr` 🔒
	NS	`e.dns.kr` 🔒
	NS	`f.dns.kr` 🔒
	SOA	`g.dns.kr`domain-manager@nic.or.kr serial=2602170528

Same first word

biotools.fr

biotools.com.au

biotools.net

biotools.com

biotools.org

biotools.kr

biotools.us

biotools.eu

biotools.co

Similar names

stoloboi.ru

boostoil.eu

boostoil.biz

biostool.com

DNS History

16 records (8 active, 8 former)

●NSans1.hostcocoa.com2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 03:46:36
● 2026-02-26 19:10:14

●NSans2.hostcocoa.com2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 03:46:36
● 2026-02-26 19:10:14

●NSans3.hostcocoa.com2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 03:46:36
● 2026-02-26 19:10:14

●NSans4.hostcocoa.com2026-02-15 → 2026-02-26 · 2 obs

● 2026-02-15 03:46:36
● 2026-02-26 19:10:14

○A18.154.132.102026-02-17 → 2026-02-26 · 25 obs

○ 2026-02-17 00:09:18
● 2026-02-17 06:19:14
○ 2026-02-17 09:55:26
● 2026-02-17 11:03:38
○ 2026-02-18 18:06:34
● 2026-02-18 19:41:02
○ 2026-02-18 22:50:18
○ 2026-02-20 05:03:22
● 2026-02-20 05:49:54
○ 2026-02-20 08:54:48
○ 2026-02-21 08:51:50
● 2026-02-21 12:03:50
○ 2026-02-21 14:38:50
○ 2026-02-22 08:05:56
● 2026-02-22 13:35:26
○ 2026-02-22 16:50:08
○ 2026-02-22 19:05:18
● 2026-02-23 10:36:30
○ 2026-02-23 15:33:44
● 2026-02-23 16:45:46
○ 2026-02-23 19:16:10
○ 2026-02-26 07:20:28
● 2026-02-26 14:24:52
○ 2026-02-26 14:59:30
○ 2026-02-26 19:10:14

○A18.154.132.1282026-02-17 → 2026-02-26 · 25 obs

○A18.154.132.792026-02-17 → 2026-02-26 · 25 obs

○A18.154.132.932026-02-17 → 2026-02-26 · 25 obs

○A18.165.201.162026-02-15 → 2026-02-26 · 34 obs

● 2026-02-15 03:46:36
● 2026-02-16 10:04:38
○ 2026-02-16 23:08:34
● 2026-02-17 00:09:18
○ 2026-02-17 06:19:14
● 2026-02-17 09:55:26
○ 2026-02-17 11:03:38
● 2026-02-18 18:06:34
○ 2026-02-18 19:41:02
● 2026-02-18 22:50:18
● 2026-02-19 08:08:44
○ 2026-02-19 16:03:20
● 2026-02-19 18:11:20
● 2026-02-20 05:03:22
○ 2026-02-20 05:49:54
● 2026-02-20 08:54:48
○ 2026-02-20 11:20:00
● 2026-02-20 18:58:28
● 2026-02-21 08:51:50
○ 2026-02-21 12:03:50
○ 2026-02-21 14:38:50
● 2026-02-21 22:10:02
● 2026-02-22 08:05:56
○ 2026-02-22 13:35:26
○ 2026-02-22 16:50:08
● 2026-02-22 19:05:18
○ 2026-02-23 10:36:30
● 2026-02-23 15:33:44
○ 2026-02-23 16:45:46
● 2026-02-23 19:16:10
● 2026-02-26 07:20:28
○ 2026-02-26 14:24:52
● 2026-02-26 14:59:30
○ 2026-02-26 19:10:14

○A18.165.201.552026-02-15 → 2026-02-26 · 34 obs

○A18.165.201.652026-02-15 → 2026-02-26 · 34 obs

○A18.165.201.962026-02-15 → 2026-02-26 · 34 obs

●A3.167.112.1222026-02-16 → 2026-02-26 · 17 obs

○ 2026-02-16 10:04:38
● 2026-02-16 23:08:34
○ 2026-02-17 00:09:18
○ 2026-02-19 08:08:44
● 2026-02-19 16:03:20
○ 2026-02-19 18:11:20
○ 2026-02-20 08:54:48
● 2026-02-20 11:20:00
○ 2026-02-20 18:58:28
○ 2026-02-21 12:03:50
● 2026-02-21 14:38:50
○ 2026-02-21 22:10:02
○ 2026-02-22 13:35:26
● 2026-02-22 16:50:08
○ 2026-02-22 19:05:18
○ 2026-02-26 14:59:30
● 2026-02-26 19:10:14

●A3.167.112.172026-02-16 → 2026-02-26 · 17 obs

●A3.167.112.442026-02-16 → 2026-02-26 · 17 obs

●A3.167.112.992026-02-16 → 2026-02-26 · 17 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
kr	b.dns.kr, c.dns.kr, d.dns.kr, e.dns.kr...	-
biotools.kr	ans3.hostcocoa.com, ans2.hostcocoa.com, ans1.hostcocoa.com, ans4.hostcocoa.com	-

✅ Authoritative Response

Server: 205.251.192.117

NS records: ans3.hostcocoa.com, ans2.hostcocoa.com, ans1.hostcocoa.com, ans4.hostcocoa.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biotools.kr (unsigned zone)

⏱️ Timing

Total: 847ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.167.112.17, 3.167.112.99...`
NS	4	`ans1.hostcocoa.com, ans2.hostcocoa.com...`
TXT	1	`v=spf1 ip4:52.79.92.223 ~all`
SOA	1	`ans1.hostcocoa.com awsdns-hostmaster.ama`

AI analysis

biotools.kr maps to four IP numbers: 3.167.112.17, 3.167.112.44, 3.167.112.99 and 3.167.112.122.

Other host names, for instance auth.elephantchess.me, www.chitichiama.com, beautyart.pl, d1zi536fu86u2a.cloudfront.net and mortgagetrade.com share IP numbers with biotools.kr.

biotools.kr is delegated to four name servers: ans1.hostcocoa.com, ans2.hostcocoa.com, ans3.hostcocoa.com and ans4.hostcocoa.com.

biotools.kr at least partially shares name servers with other domains such as car-beauty.co.kr, oldbus.co.kr, koshcr.com, kopea.co.kr and atnp.co.kr.