`ko.englishcentral.com`

DNSSEC	⚠️ Not signed
A	13.33.109.88^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
		PTR	`server-13-33-109-88.bos50.r.cloudfront.net`
A	13.33.109.106^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.119^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
A	13.33.109.124^{🇺🇸 Amazon13.33.109.0/24 - Cloudfront}
TXT	`google-site-verification=CmEa75oQ9_g3qNBzoBT4IB8t4LHIZgMPfQ4vVJWnaUc`

`englishcentral.com`

	DNSSEC	⚠️ Not signed
	A	18.239.183.15^{🇺🇸 Amazon18.239.176.0/21}
	A	18.239.183.24^{🇺🇸 Amazon18.239.176.0/21}
	A	18.239.183.35^{🇺🇸 Amazon18.239.176.0/21}
	A	18.239.183.86^{🇺🇸 Amazon18.239.176.0/21}
	NS	`ns-186.awsdns-23.com` ⭐
	NS	`ns-1490.awsdns-58.org`
	NS	`ns-1793.awsdns-32.co.uk`
	NS	`ns-529.awsdns-02.net`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	TXT	`MS=A5A30B66235C60F3E928D9F88FAA67CA77DBE833`
	TXT	`atlassian-domain-verification=854u3l4eJb8n/LUnv(0x666150)mbqiDPCJ4AwPEQVjlNEZol2Aq3a...`
	TXT	`facebook-domain-verification=9zlaqrhsvzxxsszl4fjli5jsuri3d8`
	TXT	`google-site-verification=E6tMN9y7Is3iSlLd_bAYNt686-uKp-6BFY4PhdCeRtc`
	TXT	`sending_domain1081353=18f776d4ce73c9bb2e83bacd528a7746e3168a899ac2874f0399420...`
	TXT	`v=spf1 mx a:o1.email.englishcentral.com include:_spf.google.com include:serve...`
	TXT	`worksmobile.certification.opwto3vqlns701wpwy.pen1vr43wvioli.koj1mp7um`
	TXT	`zoho-verification=zb52087669.zmverify.zoho.com`
	SOA	`ns-186.awsdns-23.com`awsdns-hostmaster@amazon.com serial=1

WOT: SAFE (69/100)
rank #54266 globally
rank #23985 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #98,877

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DNS History

64 records (4 active, 60 former)

○A108.138.85.1032026-02-20 → 2026-03-28 · 49 obs

○ 2026-02-19 14:02:58
● 2026-02-20 03:37:46
● 2026-02-21 00:10:34
○ 2026-02-21 13:47:16
○ 2026-02-21 19:13:54
● 2026-02-22 00:12:12
● 2026-02-24 00:10:34
○ 2026-02-24 17:56:34
○ 2026-02-24 20:56:36
● 2026-02-26 00:10:32
○ 2026-02-26 08:31:32
○ 2026-02-26 16:13:16
● 2026-02-27 00:17:50
● 2026-02-28 07:06:58
○ 2026-02-28 14:33:34
○ 2026-03-01 00:53:54
● 2026-03-02 02:25:48
○ 2026-03-02 18:33:14
● 2026-03-03 01:05:12
○ 2026-03-03 10:18:28
○ 2026-03-06 20:45:22
● 2026-03-07 01:13:10
● 2026-03-07 03:44:04
○ 2026-03-08 00:12:14
○ 2026-03-09 03:28:18
● 2026-03-09 11:32:08
○ 2026-03-09 21:08:54
○ 2026-03-15 09:36:18
● 2026-03-15 14:18:38
○ 2026-03-15 15:19:48
○ 2026-03-18 05:26:18
● 2026-03-19 00:14:58
● 2026-03-20 00:12:52
○ 2026-03-20 02:52:34
○ 2026-03-22 01:04:08
● 2026-03-23 00:14:50
● 2026-03-23 03:47:22
○ 2026-03-23 15:56:20
○ 2026-03-24 14:54:56
● 2026-03-24 22:03:28
○ 2026-03-24 22:34:42
○ 2026-03-25 03:06:08
● 2026-03-25 12:14:44
○ 2026-03-25 13:48:00
○ 2026-03-27 08:14:56
● 2026-03-27 10:46:14
● 2026-03-28 00:14:16
○ 2026-03-28 14:13:50
○ 2026-05-11 02:28:04

○A108.138.85.122026-02-20 → 2026-03-28 · 49 obs

○A108.138.85.402026-02-20 → 2026-03-28 · 49 obs

○A108.138.85.572026-02-20 → 2026-03-28 · 49 obs

○A108.139.119.1282026-04-08 → 2026-04-17 · 31 obs

○ 2026-04-08 05:15:24
● 2026-04-08 07:33:52
○ 2026-04-08 13:25:00
○ 2026-04-09 03:05:58
● 2026-04-09 04:20:36
○ 2026-04-09 07:34:28
○ 2026-04-09 15:30:10
● 2026-04-09 16:11:24
○ 2026-04-09 18:55:38
○ 2026-04-09 21:51:34
● 2026-04-09 23:39:08
○ 2026-04-10 00:11:38
○ 2026-04-13 05:41:20
● 2026-04-13 09:35:42
○ 2026-04-13 10:35:18
○ 2026-04-14 05:34:42
● 2026-04-14 12:42:50
○ 2026-04-14 15:25:10
● 2026-04-14 18:00:00
○ 2026-04-14 19:04:58
○ 2026-04-15 22:50:12
● 2026-04-16 00:39:00
○ 2026-04-16 05:37:18
○ 2026-04-17 08:28:02
● 2026-04-17 10:55:58
● 2026-04-17 12:41:40
○ 2026-04-17 15:27:22
○ 2026-04-17 22:04:14
● 2026-04-17 22:35:18
○ 2026-04-18 06:51:34
○ 2026-05-11 02:28:04

○A108.139.119.412026-04-08 → 2026-04-17 · 31 obs

○A108.139.119.422026-04-08 → 2026-04-17 · 31 obs

○A108.139.119.702026-04-08 → 2026-04-17 · 31 obs

○A108.139.134.312026-04-12 → 2026-04-12 · 7 obs

○ 2026-04-12 02:28:40
● 2026-04-12 07:36:54
○ 2026-04-12 08:44:14
○ 2026-04-12 09:25:38
● 2026-04-12 10:04:34
○ 2026-04-12 15:05:12
○ 2026-05-11 02:28:04

○A108.139.134.442026-04-12 → 2026-04-12 · 7 obs

○ 2026-04-12 02:28:40
● 2026-04-12 07:36:54
○ 2026-04-12 08:44:14
○ 2026-04-12 09:25:38
● 2026-04-12 10:04:34
○ 2026-04-12 15:05:12
○ 2026-05-11 02:28:04

○A108.139.134.582026-04-12 → 2026-04-12 · 7 obs

○ 2026-04-12 02:28:40
● 2026-04-12 07:36:54
○ 2026-04-12 08:44:14
○ 2026-04-12 09:25:38
● 2026-04-12 10:04:34
○ 2026-04-12 15:05:12
○ 2026-05-11 02:28:04

○A108.139.134.662026-04-12 → 2026-04-12 · 7 obs

○ 2026-04-12 02:28:40
● 2026-04-12 07:36:54
○ 2026-04-12 08:44:14
○ 2026-04-12 09:25:38
● 2026-04-12 10:04:34
○ 2026-04-12 15:05:12
○ 2026-05-11 02:28:04

○A108.158.173.1112026-03-29 → 2026-05-09 · 101 obs

○ 2026-03-29 08:42:46
● 2026-03-29 17:04:56
○ 2026-03-30 00:12:16
○ 2026-03-30 15:06:02
● 2026-03-30 17:45:22
○ 2026-03-30 20:06:56
○ 2026-03-31 10:12:04
● 2026-03-31 10:45:54
○ 2026-03-31 21:58:10
○ 2026-04-03 01:12:28
● 2026-04-03 07:23:18
○ 2026-04-03 11:56:00
○ 2026-04-04 15:19:04
● 2026-04-04 16:06:42
○ 2026-04-04 20:43:46
○ 2026-04-06 08:13:56
● 2026-04-06 08:52:26
○ 2026-04-06 09:42:58
○ 2026-04-07 13:10:58
● 2026-04-07 14:15:18
○ 2026-04-07 15:48:22
○ 2026-04-07 17:55:52
● 2026-04-07 20:20:18
○ 2026-04-08 00:52:40
○ 2026-04-08 13:25:00
● 2026-04-08 19:39:42
○ 2026-04-08 23:20:56
○ 2026-04-10 02:49:06
● 2026-04-10 04:05:46
● 2026-04-10 07:17:38
○ 2026-04-10 10:09:20
○ 2026-04-10 14:15:18
● 2026-04-10 14:49:20
○ 2026-04-10 19:02:08
○ 2026-04-12 08:44:14
● 2026-04-12 09:25:38
○ 2026-04-12 10:04:34
○ 2026-04-13 09:35:42
● 2026-04-13 10:35:18
● 2026-04-13 17:31:26
○ 2026-04-13 23:27:20
● 2026-04-14 05:34:42
○ 2026-04-14 12:42:50
○ 2026-04-19 20:08:12
● 2026-04-21 10:40:52
○ 2026-04-21 17:13:34
○ 2026-04-24 07:44:16
● 2026-04-24 10:20:34
● 2026-04-24 17:24:44
○ 2026-04-24 20:45:44
○ 2026-04-25 20:24:46
● 2026-04-25 23:25:08
○ 2026-04-26 00:35:24
○ 2026-04-26 11:52:02
● 2026-04-26 14:05:28
○ 2026-04-26 22:23:10
○ 2026-04-27 12:06:28
● 2026-04-27 15:15:10
○ 2026-04-27 19:49:56
○ 2026-04-28 15:14:08
● 2026-04-28 17:14:04
○ 2026-04-28 18:32:56
○ 2026-04-29 09:35:42
● 2026-04-29 10:45:08
● 2026-04-29 11:44:42
○ 2026-04-29 12:56:32
○ 2026-04-30 14:47:20
● 2026-04-30 17:12:48
● 2026-04-30 20:57:32
○ 2026-05-01 00:37:16
○ 2026-05-01 21:11:52
● 2026-05-02 01:18:16
○ 2026-05-02 02:01:44
○ 2026-05-02 22:31:12
● 2026-05-02 23:56:16
○ 2026-05-03 00:38:36
○ 2026-05-04 00:38:24
● 2026-05-04 03:28:12
○ 2026-05-04 05:22:42
○ 2026-05-04 09:40:22
● 2026-05-04 12:11:38
○ 2026-05-04 14:52:38
○ 2026-05-05 01:12:30
● 2026-05-05 08:42:56
○ 2026-05-05 10:00:32
○ 2026-05-05 11:35:20
● 2026-05-05 17:05:44
○ 2026-05-05 18:11:12
● 2026-05-05 19:00:28
● 2026-05-05 21:54:38
○ 2026-05-05 23:13:06
○ 2026-05-07 13:13:40
● 2026-05-07 15:26:28
○ 2026-05-07 16:07:00
○ 2026-05-08 00:39:34
● 2026-05-08 06:19:02
○ 2026-05-08 12:32:54
○ 2026-05-09 05:34:26
● 2026-05-09 06:52:02
○ 2026-05-09 07:29:46
○ 2026-05-11 02:28:04

○A108.158.173.482026-03-29 → 2026-05-09 · 101 obs

○A108.158.173.572026-03-29 → 2026-05-09 · 101 obs

○A108.158.173.882026-03-29 → 2026-05-09 · 101 obs

○A13.226.94.1042026-03-08 → 2026-03-30 · 12 obs

○ 2026-03-07 03:44:04
● 2026-03-08 00:12:14
● 2026-03-08 01:39:44
○ 2026-03-08 12:06:08
○ 2026-03-14 12:09:30
● 2026-03-14 12:57:46
● 2026-03-14 14:22:18
○ 2026-03-14 19:18:02
○ 2026-03-29 17:04:56
● 2026-03-30 00:12:16
○ 2026-03-30 09:07:14
○ 2026-05-11 02:28:04

○A13.226.94.1102026-03-08 → 2026-03-30 · 12 obs

○A13.226.94.152026-03-08 → 2026-03-30 · 12 obs

○A13.226.94.702026-03-08 → 2026-03-30 · 12 obs

●A13.33.109.1062026-05-11 → 2026-05-11 · 3 obs

○ 2026-05-10 23:41:40
● 2026-05-11 02:27:58
● 2026-05-11 02:28:04

●A13.33.109.1192026-05-11 → 2026-05-11 · 3 obs

○ 2026-05-10 23:41:40
● 2026-05-11 02:27:58
● 2026-05-11 02:28:04

●A13.33.109.1242026-05-11 → 2026-05-11 · 3 obs

○ 2026-05-10 23:41:40
● 2026-05-11 02:27:58
● 2026-05-11 02:28:04

●A13.33.109.882026-05-11 → 2026-05-11 · 3 obs

○ 2026-05-10 23:41:40
● 2026-05-11 02:27:58
● 2026-05-11 02:28:04

○A13.33.129.1182026-04-27 → 2026-05-10 · 28 obs

○ 2026-04-27 19:49:56
● 2026-04-27 22:53:20
● 2026-04-27 23:24:06
○ 2026-04-28 00:27:16
○ 2026-05-06 02:48:00
● 2026-05-06 03:23:20
○ 2026-05-06 03:55:16
● 2026-05-06 08:01:56
○ 2026-05-06 12:41:06
○ 2026-05-06 13:36:34
● 2026-05-06 15:25:10
● 2026-05-06 23:24:30
○ 2026-05-07 00:39:16
● 2026-05-07 01:47:02
○ 2026-05-07 02:43:54
○ 2026-05-07 03:17:48
● 2026-05-07 05:39:18
○ 2026-05-07 06:10:24
○ 2026-05-09 12:48:18
● 2026-05-09 15:19:00
○ 2026-05-09 16:38:26
○ 2026-05-09 17:11:44
● 2026-05-09 20:09:46
○ 2026-05-09 23:45:14
○ 2026-05-10 19:24:46
● 2026-05-10 20:25:06
○ 2026-05-10 21:30:50
○ 2026-05-11 02:28:04

○A13.33.129.862026-04-27 → 2026-05-10 · 28 obs

○A13.33.129.882026-04-27 → 2026-05-10 · 28 obs

○A13.33.129.992026-04-27 → 2026-05-10 · 28 obs

○A13.33.235.1162026-03-24 → 2026-03-27 · 16 obs

○ 2026-03-24 06:51:48
● 2026-03-24 13:08:52
○ 2026-03-24 14:54:56
○ 2026-03-25 01:44:46
● 2026-03-25 03:06:08
○ 2026-03-25 12:14:44
○ 2026-03-25 13:48:00
● 2026-03-25 20:46:26
○ 2026-03-26 00:30:40
○ 2026-03-26 03:53:52
● 2026-03-26 04:53:46
○ 2026-03-26 15:38:40
○ 2026-03-27 03:21:08
● 2026-03-27 08:14:56
○ 2026-03-27 10:46:14
○ 2026-05-11 02:28:04

○A13.33.235.432026-03-24 → 2026-03-27 · 16 obs

○A13.33.235.512026-03-24 → 2026-03-27 · 16 obs

○A13.33.235.812026-03-24 → 2026-03-27 · 16 obs

○A13.33.82.1162026-04-26 → 2026-05-09 · 41 obs

○ 2026-04-25 23:25:08
● 2026-04-26 00:35:24
○ 2026-04-26 03:38:28
○ 2026-04-26 22:57:52
● 2026-04-27 00:36:38
○ 2026-04-27 01:16:26
○ 2026-04-27 23:24:06
● 2026-04-28 00:27:16
○ 2026-04-28 04:34:40
○ 2026-04-29 06:12:24
● 2026-04-29 08:34:16
○ 2026-04-29 09:35:42
○ 2026-04-30 20:57:32
● 2026-05-01 00:37:16
○ 2026-05-01 03:16:46
○ 2026-05-02 23:56:16
● 2026-05-03 00:38:36
○ 2026-05-03 10:55:10
○ 2026-05-03 18:30:08
● 2026-05-04 00:38:24
○ 2026-05-04 03:28:12
● 2026-05-04 05:22:42
○ 2026-05-04 09:40:22
○ 2026-05-05 08:42:56
● 2026-05-05 10:00:32
○ 2026-05-05 10:48:42
○ 2026-05-06 23:24:30
● 2026-05-07 00:39:16
○ 2026-05-07 01:47:02
○ 2026-05-07 19:00:58
● 2026-05-08 00:39:34
○ 2026-05-08 06:19:02
○ 2026-05-08 23:26:22
● 2026-05-09 05:34:26
○ 2026-05-09 06:52:02
● 2026-05-09 07:29:46
○ 2026-05-09 08:40:28
○ 2026-05-09 20:09:46
● 2026-05-09 23:45:14
○ 2026-05-10 00:26:22
○ 2026-05-11 02:28:04

○A13.33.82.1182026-04-26 → 2026-05-09 · 41 obs

○A13.33.82.22026-04-26 → 2026-05-09 · 41 obs

○A13.33.82.662026-04-26 → 2026-05-09 · 41 obs

○A18.161.205.112026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 11:20:32
● 2026-03-30 13:45:22
○ 2026-03-30 14:19:40
○ 2026-05-11 02:28:04

○A18.161.205.132026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 11:20:32
● 2026-03-30 13:45:22
○ 2026-03-30 14:19:40
○ 2026-05-11 02:28:04

○A18.161.205.512026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 11:20:32
● 2026-03-30 13:45:22
○ 2026-03-30 14:19:40
○ 2026-05-11 02:28:04

○A18.161.205.652026-03-30 → 2026-03-30 · 4 obs

○ 2026-03-30 11:20:32
● 2026-03-30 13:45:22
○ 2026-03-30 14:19:40
○ 2026-05-11 02:28:04

○A18.239.36.1162026-04-05 → 2026-04-05 · 4 obs

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○A18.239.36.1192026-04-05 → 2026-04-05 · 4 obs

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○ 2026-05-11 02:28:04

○A18.239.36.512026-04-05 → 2026-04-05 · 4 obs

○ 2026-04-05 15:52:40
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○A18.239.36.692026-04-05 → 2026-04-05 · 4 obs

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○ 2026-05-11 02:28:04

○A18.244.124.1132026-02-18 → 2026-05-10 · 272 obs

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○A18.244.124.352026-02-18 → 2026-05-10 · 272 obs

○A18.244.124.612026-02-18 → 2026-05-10 · 272 obs

○A18.244.124.812026-02-18 → 2026-05-10 · 272 obs

○A3.160.196.1242026-04-30 → 2026-04-30 · 4 obs

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○A3.160.196.382026-04-30 → 2026-04-30 · 4 obs

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○A3.160.196.52026-04-30 → 2026-04-30 · 4 obs

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○A3.160.196.522026-04-30 → 2026-04-30 · 4 obs

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○A3.170.91.1212026-04-03 → 2026-04-06 · 20 obs

○ 2026-04-03 07:23:18
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○A3.170.91.522026-04-03 → 2026-04-06 · 20 obs

○A3.170.91.602026-04-03 → 2026-04-06 · 20 obs

○A3.170.91.72026-04-03 → 2026-04-06 · 20 obs

○A52.84.20.512026-02-17 → 2026-03-26 · 54 obs

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○A52.84.20.582026-02-17 → 2026-03-26 · 54 obs

○A52.84.20.702026-02-17 → 2026-03-26 · 54 obs

○A52.84.20.932026-02-17 → 2026-03-26 · 54 obs

○A99.86.91.112026-03-26 → 2026-04-02 · 8 obs

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○A99.86.91.662026-03-26 → 2026-04-02 · 8 obs

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○A99.86.91.782026-03-26 → 2026-04-02 · 8 obs

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○A99.86.91.832026-03-26 → 2026-04-02 · 8 obs

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
englishcentral.com	ns-186.awsdns-23.com, ns-529.awsdns-02.net, ns-1793.awsdns-32.co.uk, ns-1490.awsdns-58.org	2 records

✅ Authoritative Response

Server:205.251.194.17

NS records: ns-186.awsdns-23.com, ns-529.awsdns-02.net, ns-1793.awsdns-32.co.uk, ns-1490.awsdns-58.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for englishcentral.com (unsigned zone)

⏱️ Timing

Total: 1158ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`13.33.109.106, 13.33.109.88...`
TXT	1	`google-site-verification=CmEa75oQ9_g3qNB`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-186.awsdns-23.com, ns-186.awsdns-23.com)

Analysis

IP Addresses

ko.englishcentral.com resolves to four IP numbers: 13.33.109.88, 13.33.109.106, 13.33.109.119 and 13.33.109.124.

ko.englishcentral.com - robtex.com