`jwchong.com`

DNSSEC	⚠️ Not signed
A	13.227.207.16^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
		PTR	`server-13-227-207-16.gru3.r.cloudfront.net`
A	13.227.207.37^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
A	13.227.207.70^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
A	13.227.207.116^{🇺🇸 Amazon13.227.200.0/21 - Cloudfront}
NS	`ns-59.awsdns-07.com` ⭐
		A	2600:9000:5300:3b00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-59.awsdns-07.com`
		A	205.251.192.59^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-59.awsdns-07.com`
NS	`ns-1257.awsdns-29.org`
		A	2600:9000:5304:e900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1257.awsdns-29.org`
		A	205.251.196.233^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1257.awsdns-29.org`
NS	`ns-1637.awsdns-12.co.uk`
		A	2600:9000:5306:6500::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1637.awsdns-12.co.uk`
		A	205.251.198.101^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1637.awsdns-12.co.uk`
NS	`ns-876.awsdns-45.net`
		A	2600:9000:5303:6c00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-876.awsdns-45.net`
		A	205.251.195.108^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-876.awsdns-45.net`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
TXT	`apple-domain=9JMcWJy86ClfxsBL`
TXT	`v=spf1 include:icloud.com ~all`
SOA	`ns-59.awsdns-07.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=1780545139

Same first word

jwchong.com

DNS History

37 records (10 active, 27 former)

●NSns-1257.awsdns-29.org2026-04-30 → 2026-06-04 · 3 obs

○ 2017-08-21 21:06:08
● 2026-04-30 03:58:36
● 2026-06-04 04:19:46

●NSns-1637.awsdns-12.co.uk2026-04-30 → 2026-06-04 · 3 obs

○ 2017-08-21 21:06:08
● 2026-04-30 03:58:36
● 2026-06-04 04:19:46

●NSns-59.awsdns-07.com2026-04-30 → 2026-06-04 · 3 obs

○ 2017-08-21 21:06:08
● 2026-04-30 03:58:36
● 2026-06-04 04:19:46

●NSns-876.awsdns-45.net2026-04-30 → 2026-06-04 · 3 obs

○ 2017-08-21 21:06:08
● 2026-04-30 03:58:36
● 2026-06-04 04:19:46

○NSns.phx1.nearlyfreespeech.net2016-12-16 → 2017-08-21 · 4 obs

● 2016-12-16 20:17:04
● 2017-08-21 21:06:08
○ 2026-04-30 03:58:36
○ 2026-06-04 04:19:46

○NSns.phx2.nearlyfreespeech.net2016-12-16 → 2017-08-21 · 4 obs

● 2016-12-16 20:17:04
● 2017-08-21 21:06:08
○ 2026-04-30 03:58:36
○ 2026-06-04 04:19:46

●MXmx01.mail.icloud.com2026-04-30 → 2026-06-04 · 2 obs

● 2026-04-30 03:58:36
● 2026-06-04 04:19:46

●MXmx02.mail.icloud.com2026-04-30 → 2026-06-04 · 2 obs

● 2026-04-30 03:58:36
● 2026-06-04 04:19:46

●A13.227.207.1162026-04-30 → 2026-06-04 · 74 obs

○ 2017-08-21 21:06:08
● 2026-04-30 03:58:36
○ 2026-04-30 07:03:54
○ 2026-05-02 13:10:08
● 2026-05-03 17:27:08
○ 2026-05-03 23:14:38
○ 2026-05-04 03:48:06
● 2026-05-04 05:41:12
○ 2026-05-04 07:01:50
● 2026-05-04 12:02:22
○ 2026-05-04 14:52:12
● 2026-05-04 19:57:54
○ 2026-05-04 21:06:16
● 2026-05-05 02:18:30
○ 2026-05-05 06:48:48
● 2026-05-05 10:26:48
○ 2026-05-05 14:56:56
● 2026-05-05 20:35:22
○ 2026-05-05 22:43:30
○ 2026-05-07 14:18:42
● 2026-05-07 19:43:22
○ 2026-05-08 00:09:32
● 2026-05-08 02:28:30
● 2026-05-08 14:46:38
○ 2026-05-08 17:34:44
○ 2026-05-09 08:05:10
● 2026-05-09 09:06:36
○ 2026-05-09 10:51:24
○ 2026-05-11 23:08:22
● 2026-05-11 23:42:52
● 2026-05-12 07:02:04
○ 2026-05-12 09:52:52
○ 2026-05-14 14:36:38
● 2026-05-15 02:28:20
○ 2026-05-15 03:22:32
○ 2026-05-19 10:55:44
● 2026-05-19 11:41:36
○ 2026-05-19 15:46:46
○ 2026-05-23 12:31:52
● 2026-05-23 13:06:30
○ 2026-05-23 14:57:46
○ 2026-05-23 19:05:26
● 2026-05-24 15:47:50
● 2026-05-24 19:46:52
○ 2026-05-24 22:47:30
○ 2026-05-26 10:54:56
● 2026-05-26 21:01:34
○ 2026-05-26 21:56:36
● 2026-05-27 00:38:48
○ 2026-05-27 01:53:54
● 2026-05-27 03:33:50
● 2026-05-27 16:28:48
○ 2026-05-27 21:01:44
○ 2026-05-28 08:01:34
● 2026-05-28 13:13:38
○ 2026-05-28 14:48:18
○ 2026-05-29 10:38:52
● 2026-05-29 19:52:06
○ 2026-05-29 21:40:52
○ 2026-05-30 02:24:20
● 2026-05-30 03:54:30
○ 2026-05-30 06:32:50
○ 2026-05-31 05:08:38
● 2026-05-31 15:31:58
● 2026-05-31 17:38:40
○ 2026-06-01 17:21:04
● 2026-06-02 05:04:54
○ 2026-06-02 05:54:48
○ 2026-06-02 18:29:38
● 2026-06-02 19:08:54
○ 2026-06-02 21:15:14
○ 2026-06-04 03:04:36
● 2026-06-04 04:19:42
● 2026-06-04 04:19:46

●A13.227.207.162026-04-30 → 2026-06-04 · 74 obs

●A13.227.207.372026-04-30 → 2026-06-04 · 74 obs

●A13.227.207.702026-04-30 → 2026-06-04 · 74 obs

○A18.161.21.1022026-05-04 → 2026-05-19 · 36 obs

○ 2026-05-03 23:14:38
● 2026-05-04 03:48:06
○ 2026-05-04 05:41:12
○ 2026-05-05 02:18:30
● 2026-05-05 06:48:48
○ 2026-05-05 10:26:48
○ 2026-05-05 22:43:30
● 2026-05-06 00:39:04
○ 2026-05-06 05:18:36
○ 2026-05-07 11:03:00
● 2026-05-07 12:16:10
○ 2026-05-07 13:24:48
○ 2026-05-09 09:06:36
● 2026-05-09 10:51:24
● 2026-05-09 18:22:58
○ 2026-05-09 21:45:22
○ 2026-05-10 11:10:08
● 2026-05-10 14:04:46
○ 2026-05-10 20:34:46
○ 2026-05-11 09:44:32
● 2026-05-11 13:46:26
○ 2026-05-11 17:26:56
○ 2026-05-12 07:02:04
● 2026-05-12 09:52:52
● 2026-05-12 19:07:20
○ 2026-05-12 22:04:58
○ 2026-05-17 15:11:34
● 2026-05-17 16:43:56
○ 2026-05-18 02:08:54
○ 2026-05-18 13:25:40
● 2026-05-18 22:54:50
○ 2026-05-19 00:41:42
○ 2026-05-19 08:34:02
● 2026-05-19 10:55:44
○ 2026-05-19 11:41:36
○ 2026-06-04 04:19:46

○A18.161.21.1152026-05-04 → 2026-05-19 · 36 obs

○A18.161.21.202026-05-04 → 2026-05-19 · 36 obs

○A18.161.21.982026-05-04 → 2026-05-19 · 36 obs

○A18.164.144.1102026-05-28 → 2026-06-03 · 19 obs

○ 2026-05-27 21:01:44
● 2026-05-28 08:01:34
○ 2026-05-28 13:13:38
○ 2026-05-28 22:24:42
● 2026-05-29 10:38:52
○ 2026-05-29 19:52:06
○ 2026-05-30 13:27:18
● 2026-05-30 17:40:46
○ 2026-05-30 18:53:48
○ 2026-05-31 17:38:40
● 2026-06-01 17:21:04
○ 2026-06-02 05:04:54
○ 2026-06-03 08:40:34
● 2026-06-03 09:24:42
○ 2026-06-03 11:10:50
○ 2026-06-03 12:02:08
● 2026-06-03 16:11:28
○ 2026-06-04 03:04:36
○ 2026-06-04 04:19:46

○A18.164.144.1142026-05-28 → 2026-06-03 · 19 obs

○A18.164.144.742026-05-28 → 2026-06-03 · 19 obs

○A18.164.144.902026-05-28 → 2026-06-03 · 19 obs

○A208.94.118.2452016-12-16 → 2017-08-21 · 4 obs

● 2016-12-16 20:17:04
● 2017-08-21 21:06:08
○ 2026-04-30 03:58:36
○ 2026-06-04 04:19:46

○A3.162.174.1042026-05-19 → 2026-06-04 · 56 obs

○ 2026-05-19 05:50:14
● 2026-05-19 08:34:02
○ 2026-05-19 10:55:44
○ 2026-05-19 11:41:36
● 2026-05-19 15:46:46
● 2026-05-20 11:02:20
○ 2026-05-21 19:08:24
● 2026-05-22 01:18:42
● 2026-05-22 15:54:40
○ 2026-05-23 12:31:52
○ 2026-05-23 13:06:30
● 2026-05-23 14:57:46
● 2026-05-23 19:05:26
○ 2026-05-24 15:47:50
○ 2026-05-24 19:46:52
● 2026-05-24 22:47:30
● 2026-05-24 23:36:26
○ 2026-05-25 00:58:56
● 2026-05-25 07:20:06
● 2026-05-26 09:55:22
○ 2026-05-26 10:54:56
○ 2026-05-26 21:01:34
● 2026-05-26 21:56:36
○ 2026-05-27 00:38:48
● 2026-05-27 01:53:54
○ 2026-05-27 03:33:50
○ 2026-05-27 16:28:48
● 2026-05-27 21:01:44
○ 2026-05-28 08:01:34
○ 2026-05-28 13:13:38
● 2026-05-28 14:48:18
● 2026-05-28 22:24:42
○ 2026-05-29 10:38:52
○ 2026-05-29 19:52:06
● 2026-05-29 21:40:52
● 2026-05-30 02:24:20
○ 2026-05-30 03:54:30
● 2026-05-30 06:32:50
● 2026-05-30 13:27:18
○ 2026-05-30 17:40:46
● 2026-05-30 18:53:48
● 2026-05-31 05:08:38
○ 2026-05-31 15:31:58
○ 2026-06-02 05:04:54
● 2026-06-02 05:54:48
● 2026-06-02 18:29:38
○ 2026-06-02 19:08:54
● 2026-06-02 21:15:14
● 2026-06-03 08:40:34
○ 2026-06-03 09:24:42
● 2026-06-03 11:10:50
● 2026-06-03 12:02:08
○ 2026-06-03 16:11:28
● 2026-06-04 03:04:36
○ 2026-06-04 04:19:42
○ 2026-06-04 04:19:46

○A3.162.174.1062026-05-19 → 2026-06-04 · 56 obs

○A3.162.174.122026-05-19 → 2026-06-04 · 56 obs

○A3.162.174.702026-05-19 → 2026-06-04 · 56 obs

○A3.167.69.1182026-05-21 → 2026-05-26 · 13 obs

○ 2026-05-20 11:02:20
● 2026-05-21 19:08:24
○ 2026-05-22 01:18:42
○ 2026-05-22 15:54:40
● 2026-05-23 12:31:52
○ 2026-05-23 13:06:30
○ 2026-05-24 23:36:26
● 2026-05-25 00:58:56
○ 2026-05-25 07:20:06
○ 2026-05-26 09:55:22
● 2026-05-26 10:54:56
○ 2026-05-26 21:01:34
○ 2026-06-04 04:19:46

○A3.167.69.262026-05-21 → 2026-05-26 · 13 obs

○A3.167.69.302026-05-21 → 2026-05-26 · 13 obs

○A3.167.69.602026-05-21 → 2026-05-26 · 13 obs

○A3.174.59.1272026-05-07 → 2026-05-19 · 22 obs

○ 2026-05-06 05:18:36
● 2026-05-07 01:54:12
○ 2026-05-07 02:52:18
○ 2026-05-07 07:13:56
● 2026-05-07 11:03:00
○ 2026-05-07 12:16:10
○ 2026-05-10 20:34:46
● 2026-05-11 06:24:40
● 2026-05-11 09:44:32
○ 2026-05-11 13:46:26
○ 2026-05-16 20:57:26
● 2026-05-17 15:11:34
○ 2026-05-17 16:43:56
○ 2026-05-18 02:08:54
● 2026-05-18 11:11:12
○ 2026-05-18 12:24:52
○ 2026-05-19 00:41:42
● 2026-05-19 01:47:32
○ 2026-05-19 02:21:56
● 2026-05-19 05:50:14
○ 2026-05-19 08:34:02
○ 2026-06-04 04:19:46

○A3.174.59.422026-05-07 → 2026-05-19 · 22 obs

○A3.174.59.432026-05-07 → 2026-05-19 · 22 obs

○A3.174.59.562026-05-07 → 2026-05-19 · 22 obs

○A99.86.91.1062026-04-30 → 2026-05-19 · 61 obs

○ 2026-04-30 03:58:36
● 2026-04-30 07:03:54
● 2026-05-02 13:10:08
○ 2026-05-03 17:27:08
● 2026-05-03 23:14:38
○ 2026-05-04 03:48:06
○ 2026-05-04 05:41:12
● 2026-05-04 07:01:50
○ 2026-05-04 12:02:22
● 2026-05-04 14:52:12
○ 2026-05-04 19:57:54
● 2026-05-04 21:06:16
○ 2026-05-05 02:18:30
○ 2026-05-05 10:26:48
● 2026-05-05 14:56:56
○ 2026-05-05 20:35:22
● 2026-05-05 22:43:30
○ 2026-05-06 00:39:04
● 2026-05-06 05:18:36
○ 2026-05-07 01:54:12
● 2026-05-07 02:52:18
● 2026-05-07 07:13:56
○ 2026-05-07 11:03:00
○ 2026-05-07 12:16:10
● 2026-05-07 13:24:48
● 2026-05-07 14:18:42
○ 2026-05-07 19:43:22
● 2026-05-08 00:09:32
○ 2026-05-08 02:28:30
○ 2026-05-08 14:46:38
● 2026-05-08 17:34:44
● 2026-05-09 08:05:10
○ 2026-05-09 09:06:36
○ 2026-05-09 18:22:58
● 2026-05-09 21:45:22
● 2026-05-10 11:10:08
○ 2026-05-10 14:04:46
● 2026-05-10 20:34:46
○ 2026-05-11 06:24:40
○ 2026-05-11 13:46:26
● 2026-05-11 17:26:56
● 2026-05-11 23:08:22
○ 2026-05-11 23:42:52
○ 2026-05-12 19:07:20
● 2026-05-12 22:04:58
● 2026-05-14 14:36:38
○ 2026-05-15 02:28:20
● 2026-05-15 03:22:32
● 2026-05-16 20:57:26
○ 2026-05-17 15:11:34
○ 2026-05-17 16:43:56
● 2026-05-18 02:08:54
○ 2026-05-18 11:11:12
● 2026-05-18 12:24:52
● 2026-05-18 13:25:40
○ 2026-05-18 22:54:50
● 2026-05-19 00:41:42
○ 2026-05-19 01:47:32
● 2026-05-19 02:21:56
○ 2026-05-19 05:50:14
○ 2026-06-04 04:19:46

○A99.86.91.262026-04-30 → 2026-05-19 · 61 obs

○A99.86.91.342026-04-30 → 2026-05-19 · 61 obs

○A99.86.91.882026-04-30 → 2026-05-19 · 61 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jwchong.com	ns-59.awsdns-07.com, ns-876.awsdns-45.net, ns-1637.awsdns-12.co.uk, ns-1257.awsdns-29.org	2 records

✅ Authoritative Response

Server:205.251.196.233

NS records: ns-59.awsdns-07.com, ns-876.awsdns-45.net, ns-1637.awsdns-12.co.uk, ns-1257.awsdns-29.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jwchong.com (unsigned zone)

⏱️ Timing

Total: 950ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.227.207.116, 13.227.207.37...`
NS	4	`ns-1257.awsdns-29.org, ns-1637.awsdns-12.co.uk...`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`apple-domain=9JMcWJy86ClfxsBL, v=spf1 include:icloud.com ~all`
SOA	1	`ns-59.awsdns-07.com awsdns-hostmaster.am`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-59.awsdns-07.com, ns-59.awsdns-07.com)

Analysis

IP Addresses

jwchong.com has 4 IP addresses: 13.227.207.16, 13.227.207.37, 13.227.207.70 and 13.227.207.116.

jenexus.com, d24ewxegfntznp.cloudfront.net, gateway.efemltest.io and two other host names share IP numbers with jwchong.com.

Name Servers

jwchong.com is delegated to 4 name servers: ns-59.awsdns-07.com, ns-876.awsdns-45.net, ns-1257.awsdns-29.org and ns-1637.awsdns-12.co.uk.

jwchong.com partially shares its NS delegation with several other domains, including io-academy.co, wince.ne.jp, baraoimoveisgv.com.br and two others.

ns-59.awsdns-07.com, ns-876.awsdns-45.net, ns-1257.awsdns-29.org and ns-1637.awsdns-12.co.uk each carry two IP addresses. ns-59.awsdns-07.com has 205.251.192.59 and 2600:9000:5300:3b00::1; ns-876.awsdns-45.net has 205.251.195.108 and 2600:9000:5303:6c00::1; ns-1257.awsdns-29.org has 205.251.196.233 and 2600:9000:5304:e900::1; ns-1637.awsdns-12.co.uk has 205.251.198.101 and 2600:9000:5306:6500::1.

Mail Servers

Mail for jwchong.com is handled by two mail servers — mx01.mail.icloud.com and mx02.mail.icloud.com.

jwchong.com uses an identical mail server configuration to several other domains — among them gruendler.org, jessecornelius.com, djdefunkt.com and two more.

Hostnames that resolve to 6 IP addresses:

The hostname mx01.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31, 17.57.152.5 and three additional IP addresses.

The hostname mx02.mail.icloud.com resolves to 17.42.251.62, 17.56.9.31, 17.57.152.5 and three additional IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.42.251.62 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.56.9.31 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.57.152.5 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.57.154.33 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.57.155.25 IP addresses.

mx01.mail.icloud.com and mx02.mail.icloud.com are host names that each point to 17.57.156.30 IP addresses.

jwchong.com - robtex.com

jwchong.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`jwchong.com`

`com`