`dukeylab.com`

DNSSEC	⚠️ Not signed
A	3.171.100.25^{🇺🇸 Amazon3.171.100.0/22}
		PTR	`server-3-171-100-25.iad12.r.cloudfront.net`
A	3.171.100.99^{🇺🇸 Amazon3.171.100.0/22}
A	3.171.100.108^{🇺🇸 Amazon3.171.100.0/22}
A	3.171.100.112^{🇺🇸 Amazon3.171.100.0/22}
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	`aspmx.daum.net` ⭐
		A	121.53.85.23^{🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao}
MX	`alt.aspmx.daum.net`⁽²⁰⁾
		A	121.53.85.23^{🇰🇷 KAKAO-AY1121.53.80.0/21 Kakao}
TXT	`google-site-verification=7sLQeT_OrXuNPMBqIURv93cVsRSjbi1jzC6QYYvBY-Q`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`v=spf1 ip4:52.79.92.223 ~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=1771291435

Same first word

dukeylab.com

DNS History

22 records (10 active, 12 former)

●NScns1.hostcocoa.com2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 20:18:48
● 2026-02-24 19:26:16

●NScns2.hostcocoa.com2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 20:18:48
● 2026-02-24 19:26:16

●NScns3.hostcocoa.com2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 20:18:48
● 2026-02-24 19:26:16

●NScns4.hostcocoa.com2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 20:18:48
● 2026-02-24 19:26:16

●MXalt.aspmx.daum.net2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 20:18:48
● 2026-02-24 19:26:16

●MXaspmx.daum.net2026-02-14 → 2026-02-24 · 2 obs

● 2026-02-14 20:18:48
● 2026-02-24 19:26:16

○A18.245.253.1012026-02-15 → 2026-02-17 · 5 obs

○ 2026-02-15 17:10:34
● 2026-02-15 23:24:44
● 2026-02-17 00:51:38
○ 2026-02-17 08:41:38
○ 2026-02-24 19:26:16

○A18.245.253.322026-02-15 → 2026-02-17 · 5 obs

○ 2026-02-15 17:10:34
● 2026-02-15 23:24:44
● 2026-02-17 00:51:38
○ 2026-02-17 08:41:38
○ 2026-02-24 19:26:16

○A18.245.253.492026-02-15 → 2026-02-17 · 5 obs

○ 2026-02-15 17:10:34
● 2026-02-15 23:24:44
● 2026-02-17 00:51:38
○ 2026-02-17 08:41:38
○ 2026-02-24 19:26:16

○A18.245.253.632026-02-15 → 2026-02-17 · 5 obs

○ 2026-02-15 17:10:34
● 2026-02-15 23:24:44
● 2026-02-17 00:51:38
○ 2026-02-17 08:41:38
○ 2026-02-24 19:26:16

●A3.171.100.1082026-02-14 → 2026-02-24 · 30 obs

● 2026-02-14 20:18:48
○ 2026-02-15 17:10:34
○ 2026-02-17 18:48:16
● 2026-02-18 00:10:10
○ 2026-02-18 01:47:54
○ 2026-02-18 23:27:34
● 2026-02-19 05:00:36
○ 2026-02-19 06:41:12
● 2026-02-19 08:40:00
○ 2026-02-19 11:24:52
○ 2026-02-20 01:51:14
● 2026-02-20 03:43:30
○ 2026-02-20 05:13:14
● 2026-02-20 11:09:42
○ 2026-02-20 12:05:02
○ 2026-02-21 10:13:50
● 2026-02-21 11:34:38
○ 2026-02-21 12:55:00
● 2026-02-21 14:00:52
● 2026-02-21 16:27:54
○ 2026-02-21 17:34:32
● 2026-02-21 18:05:56
○ 2026-02-21 23:35:46
● 2026-02-22 00:12:02
○ 2026-02-22 01:35:24
○ 2026-02-23 19:21:32
● 2026-02-23 22:38:08
● 2026-02-23 23:47:14
○ 2026-02-24 17:32:58
● 2026-02-24 19:26:16

●A3.171.100.1122026-02-14 → 2026-02-24 · 30 obs

●A3.171.100.252026-02-14 → 2026-02-24 · 30 obs

●A3.171.100.992026-02-14 → 2026-02-24 · 30 obs

○A52.84.20.212026-02-15 → 2026-02-22 · 34 obs

○ 2026-02-14 20:18:48
● 2026-02-15 17:10:34
○ 2026-02-15 23:24:44
○ 2026-02-17 08:41:38
● 2026-02-17 11:22:02
○ 2026-02-17 12:19:30
○ 2026-02-17 13:46:58
● 2026-02-17 18:48:16
○ 2026-02-18 00:10:10
○ 2026-02-18 04:36:26
● 2026-02-18 07:08:46
○ 2026-02-18 10:28:36
○ 2026-02-19 05:00:36
● 2026-02-19 06:41:12
○ 2026-02-19 08:40:00
○ 2026-02-19 15:36:10
● 2026-02-19 17:33:42
○ 2026-02-19 19:23:06
● 2026-02-20 01:51:14
○ 2026-02-20 03:43:30
○ 2026-02-20 16:20:10
● 2026-02-21 02:16:20
○ 2026-02-21 09:06:32
● 2026-02-21 10:13:50
○ 2026-02-21 11:34:38
○ 2026-02-22 04:14:52
● 2026-02-22 06:07:56
○ 2026-02-22 08:38:44
● 2026-02-22 15:06:36
○ 2026-02-22 16:13:48
● 2026-02-22 18:50:26
● 2026-02-22 23:37:40
○ 2026-02-23 14:01:46
○ 2026-02-24 19:26:16

○A52.84.20.522026-02-15 → 2026-02-22 · 34 obs

○A52.84.20.762026-02-15 → 2026-02-22 · 34 obs

○A52.84.20.962026-02-15 → 2026-02-22 · 34 obs

○A99.86.91.1202026-02-17 → 2026-02-24 · 49 obs

○ 2026-02-17 00:51:38
● 2026-02-17 08:41:38
○ 2026-02-17 11:22:02
● 2026-02-17 12:19:30
● 2026-02-17 13:46:58
○ 2026-02-17 18:48:16
○ 2026-02-18 00:10:10
● 2026-02-18 01:47:54
● 2026-02-18 04:36:26
○ 2026-02-18 07:08:46
● 2026-02-18 10:28:36
● 2026-02-18 23:27:34
○ 2026-02-19 05:00:36
○ 2026-02-19 08:40:00
● 2026-02-19 11:24:52
● 2026-02-19 15:36:10
○ 2026-02-19 17:33:42
● 2026-02-19 19:23:06
○ 2026-02-20 01:51:14
○ 2026-02-20 03:43:30
● 2026-02-20 05:13:14
○ 2026-02-20 11:09:42
● 2026-02-20 12:05:02
● 2026-02-20 16:20:10
○ 2026-02-21 02:16:20
● 2026-02-21 09:06:32
○ 2026-02-21 10:13:50
○ 2026-02-21 11:34:38
● 2026-02-21 12:55:00
○ 2026-02-21 14:00:52
○ 2026-02-21 16:27:54
● 2026-02-21 17:34:32
○ 2026-02-21 18:05:56
● 2026-02-21 23:35:46
○ 2026-02-22 00:12:02
● 2026-02-22 01:35:24
● 2026-02-22 04:14:52
○ 2026-02-22 06:07:56
● 2026-02-22 08:38:44
○ 2026-02-22 15:06:36
● 2026-02-22 16:13:48
○ 2026-02-22 18:50:26
○ 2026-02-22 23:37:40
● 2026-02-23 14:01:46
● 2026-02-23 19:21:32
○ 2026-02-23 22:38:08
○ 2026-02-23 23:47:14
● 2026-02-24 17:32:58
○ 2026-02-24 19:26:16

○A99.86.91.152026-02-17 → 2026-02-24 · 49 obs

○A99.86.91.342026-02-17 → 2026-02-24 · 49 obs

○A99.86.91.52026-02-17 → 2026-02-24 · 49 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dukeylab.com	cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com, cns4.hostcocoa.com	-

✅ 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 dukeylab.com (unsigned zone)

⏱️ Timing

Total: 78ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`3.171.100.99, 3.171.100.108...`
NS	4	`cns1.hostcocoa.com, cns2.hostcocoa.com...`
MX	2	`aspmx.daum.net (pri: 10), alt.aspmx.daum.net (pri: 20)`
TXT	3	`google-site-verification=7sLQeT_OrXuNPMB, v=spf1 include:_spf.google.com ~all...`
SOA	1	`cns1.hostcocoa.com awsdns-hostmaster.ama`

AI analysis

dukeylab.com points to four IP numbers: 3.171.100.25, 3.171.100.99, 3.171.100.108 and 3.171.100.112.

Other host names, for instance d2o3ezk8amfr1x.cloudfront.net, server-3-171-100-112.iad12.r.cloudfront.net, download4d.com, renovationmap.org and cardinalphysicalmedicine.com share IP numbers with dukeylab.com.

dukeylab.com is delegated to four name servers: cns1.hostcocoa.com, cns2.hostcocoa.com, cns3.hostcocoa.com and cns4.hostcocoa.com.

dukeylab.com shares name servers with other domains at least partially, for instance winnerfits.com, ieumfish.co.kr, mcopia.com, activespace.co.kr and ectaco.co.kr.