`elearning.simmed.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:49ac^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a44d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.172^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.77^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.172, 172.67.164.77
		IPv6 hints	2606:4700:3031::6815:49ac, 2606:4700:3035::ac43:a44d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=216, name=cloudflare-ech.com

`simmed.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:49ac^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:a44d^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.73.172^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.164.77^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alec.ns.cloudflare.com` ⭐
NS	`gloria.ns.cloudflare.com`
MX	`simmed-vn.mail.protection.outlook.com` ⭐
TXT	`MS=ms64763138`
TXT	`google-site-verification=2cx3PUlEh-Dg2B29btN6u4xMBiZ-0XiaFPmXg1of2aE`
TXT	`google-site-verification=DlDJoimQxFvzNuqIIzwrIGxU3SClQUbkmOeZmARKfVg`
TXT	`google-site-verification=T1UDJo0TUJGcJnPGCI2ha2XuwAh9OBFsinjgO5b3mXQ`
TXT	`google-site-verification=TU62kwFNpfY1xVpcLa8FIk3CxRhRbFCVZETyLTJkSjw`
TXT	`google-site-verification=qZy6-TKEsS9V-8vwlZKYdyFhspsmGLFDiiKBGMkeezc`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.73.172, 172.67.164.77
		IPv6 hints	2606:4700:3031::6815:49ac, 2606:4700:3035::ac43:a44d
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=216, name=cloudflare-ech.com
SOA	`alec.ns.cloudflare.com`dns@cloudflare.com serial=2410684406

Same first word

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Similar names

DNS History

14 records (4 active, 10 former)

●A104.21.73.1722026-05-01 → 2026-07-28 · 47 obs

● 2026-05-01 09:10:24
● 2026-05-01 17:14:42
○ 2026-05-01 17:46:28
○ 2026-05-03 08:14:14
● 2026-05-04 07:55:38
○ 2026-05-04 11:15:50
○ 2026-05-10 19:46:28
● 2026-05-11 05:02:30
○ 2026-05-11 06:04:20
○ 2026-05-14 13:18:52
● 2026-05-14 22:52:48
○ 2026-05-15 09:23:10
● 2026-05-15 16:05:44
○ 2026-05-16 00:02:50
○ 2026-05-16 08:44:02
● 2026-05-16 19:10:24
● 2026-05-17 20:59:56
○ 2026-05-18 10:28:52
● 2026-05-18 15:00:00
○ 2026-05-19 00:48:16
○ 2026-05-23 05:15:56
● 2026-05-23 08:19:18
○ 2026-05-23 13:12:30
○ 2026-05-29 00:09:08
● 2026-05-29 10:52:52
● 2026-05-29 13:31:54
○ 2026-05-29 22:52:58
○ 2026-05-31 05:28:00
● 2026-05-31 16:58:48
● 2026-06-01 14:43:40
○ 2026-06-02 11:45:08
○ 2026-06-02 22:56:16
● 2026-06-02 23:40:38
○ 2026-06-03 09:20:26
○ 2026-06-03 11:29:16
● 2026-06-03 12:38:20
○ 2026-06-03 19:59:54
○ 2026-06-14 20:43:16
● 2026-06-14 21:33:24
○ 2026-06-15 08:28:40
● 2026-06-15 09:01:02
○ 2026-06-16 02:17:58
● 2026-06-21 21:40:22
○ 2026-06-22 02:29:26
● 2026-07-08 06:24:26
○ 2026-07-08 17:08:42
● 2026-07-28 18:44:50

●A172.67.164.772026-05-01 → 2026-07-28 · 47 obs

○A188.114.96.02026-05-01 → 2026-07-26 · 72 obs

○ 2026-05-01 17:14:42
● 2026-05-01 17:46:28
● 2026-05-03 08:14:14
○ 2026-05-04 07:55:38
● 2026-05-04 11:15:50
● 2026-05-10 19:46:28
○ 2026-05-11 05:02:30
● 2026-05-11 06:04:20
● 2026-05-14 13:18:52
○ 2026-05-14 22:52:48
● 2026-05-15 09:23:10
○ 2026-05-15 16:05:44
● 2026-05-16 00:02:50
● 2026-05-16 08:44:02
○ 2026-05-16 19:10:24
○ 2026-05-17 20:59:56
● 2026-05-18 10:28:52
○ 2026-05-18 15:00:00
● 2026-05-19 00:48:16
● 2026-05-23 05:15:56
○ 2026-05-23 08:19:18
● 2026-05-23 13:12:30
● 2026-05-25 14:33:12
○ 2026-05-26 20:08:10
● 2026-05-26 20:49:18
● 2026-05-29 00:09:08
○ 2026-05-29 10:52:52
○ 2026-05-29 22:52:58
● 2026-05-30 00:16:08
● 2026-05-30 09:05:46
○ 2026-05-30 09:50:16
● 2026-05-30 10:30:52
● 2026-05-31 05:28:00
○ 2026-05-31 16:58:48
○ 2026-06-01 14:43:40
● 2026-06-02 11:45:08
● 2026-06-02 22:56:16
○ 2026-06-02 23:40:38
● 2026-06-03 09:20:26
● 2026-06-03 11:29:16
○ 2026-06-03 12:38:20
● 2026-06-03 19:59:54
● 2026-06-11 16:28:30
○ 2026-06-12 15:40:26
● 2026-06-12 16:24:14
● 2026-06-13 09:05:04
○ 2026-06-14 20:43:16
○ 2026-06-15 09:01:02
● 2026-06-16 02:17:58
○ 2026-06-21 20:38:14
● 2026-06-22 02:29:26
○ 2026-06-27 22:53:50
● 2026-06-27 23:46:30
○ 2026-07-03 14:24:32
● 2026-07-03 14:57:16
○ 2026-07-07 14:55:24
● 2026-07-07 15:28:12
○ 2026-07-08 06:24:26
● 2026-07-08 17:08:42
○ 2026-07-14 06:01:30
● 2026-07-14 06:40:42
○ 2026-07-14 13:51:56
● 2026-07-14 14:43:04
○ 2026-07-15 09:27:46
● 2026-07-15 10:13:02
○ 2026-07-18 18:39:06
● 2026-07-18 19:31:24
○ 2026-07-23 02:55:38
● 2026-07-23 04:18:36
○ 2026-07-26 02:55:30
● 2026-07-26 03:36:54
○ 2026-07-28 18:44:50

○A188.114.96.42026-05-26 → 2026-07-26 · 38 obs

○ 2026-05-25 14:33:12
● 2026-05-26 20:08:10
○ 2026-05-26 20:49:18
○ 2026-05-29 13:31:54
● 2026-05-29 22:52:58
○ 2026-05-30 00:16:08
○ 2026-05-30 09:05:46
● 2026-05-30 09:50:16
○ 2026-05-30 10:30:52
○ 2026-06-11 16:28:30
● 2026-06-12 15:40:26
○ 2026-06-12 16:24:14
○ 2026-06-13 09:05:04
● 2026-06-14 20:43:16
○ 2026-06-14 21:33:24
● 2026-06-15 08:28:40
○ 2026-06-15 09:01:02
● 2026-06-21 20:38:14
○ 2026-06-21 21:40:22
● 2026-06-27 22:53:50
○ 2026-06-27 23:46:30
● 2026-07-03 14:24:32
○ 2026-07-03 14:57:16
● 2026-07-07 14:55:24
○ 2026-07-07 15:28:12
● 2026-07-14 06:01:30
○ 2026-07-14 06:40:42
● 2026-07-14 13:51:56
○ 2026-07-14 14:43:04
● 2026-07-15 09:27:46
○ 2026-07-15 10:13:02
● 2026-07-18 18:39:06
○ 2026-07-18 19:31:24
● 2026-07-23 02:55:38
○ 2026-07-23 04:18:36
● 2026-07-26 02:55:30
○ 2026-07-26 03:36:54
○ 2026-07-28 18:44:50

○A188.114.97.02026-05-01 → 2026-07-26 · 72 obs

○A188.114.97.42026-05-26 → 2026-07-26 · 38 obs

○A2606:4700:3030::6815:49ac2026-05-01 → 2026-06-21 · 43 obs

● 2026-05-01 09:10:24
● 2026-05-01 17:14:42
○ 2026-05-01 17:46:28
○ 2026-05-03 08:14:14
● 2026-05-04 07:55:38
○ 2026-05-04 11:15:50
○ 2026-05-10 19:46:28
● 2026-05-11 05:02:30
○ 2026-05-11 06:04:20
○ 2026-05-14 13:18:52
● 2026-05-14 22:52:48
○ 2026-05-15 09:23:10
● 2026-05-15 16:05:44
○ 2026-05-16 00:02:50
○ 2026-05-16 08:44:02
● 2026-05-16 19:10:24
● 2026-05-17 04:47:40
○ 2026-05-17 07:09:22
○ 2026-05-23 05:15:56
● 2026-05-23 08:19:18
○ 2026-05-23 13:12:30
○ 2026-05-29 00:09:08
● 2026-05-29 10:52:52
● 2026-05-29 13:31:54
○ 2026-05-29 22:52:58
○ 2026-05-31 05:28:00
● 2026-05-31 16:58:48
● 2026-06-01 14:43:40
○ 2026-06-02 11:45:08
○ 2026-06-02 22:56:16
● 2026-06-02 23:40:38
○ 2026-06-03 09:20:26
○ 2026-06-03 11:29:16
● 2026-06-03 12:38:20
○ 2026-06-03 19:59:54
○ 2026-06-14 20:43:16
● 2026-06-14 21:33:24
○ 2026-06-15 08:28:40
● 2026-06-15 09:01:02
○ 2026-06-16 02:17:58
● 2026-06-21 21:40:22
○ 2026-06-22 02:29:26
○ 2026-07-28 18:44:50

●A2606:4700:3031::6815:49ac2026-07-08 → 2026-07-28 · 4 obs

○ 2026-07-08 04:18:54
● 2026-07-08 06:24:26
○ 2026-07-08 17:08:42
● 2026-07-28 18:44:50

●A2606:4700:3035::ac43:a44d2026-07-08 → 2026-07-28 · 4 obs

○ 2026-07-08 04:18:54
● 2026-07-08 06:24:26
○ 2026-07-08 17:08:42
● 2026-07-28 18:44:50

○A2606:4700:3036::ac43:a44d2026-05-01 → 2026-06-21 · 43 obs

● 2026-05-01 09:10:24
● 2026-05-01 17:14:42
○ 2026-05-01 17:46:28
○ 2026-05-03 08:14:14
● 2026-05-04 07:55:38
○ 2026-05-04 11:15:50
○ 2026-05-10 19:46:28
● 2026-05-11 05:02:30
○ 2026-05-11 06:04:20
○ 2026-05-14 13:18:52
● 2026-05-14 22:52:48
○ 2026-05-15 09:23:10
● 2026-05-15 16:05:44
○ 2026-05-16 00:02:50
○ 2026-05-16 08:44:02
● 2026-05-16 19:10:24
● 2026-05-17 04:47:40
○ 2026-05-17 07:09:22
○ 2026-05-23 05:15:56
● 2026-05-23 08:19:18
○ 2026-05-23 13:12:30
○ 2026-05-29 00:09:08
● 2026-05-29 10:52:52
● 2026-05-29 13:31:54
○ 2026-05-29 22:52:58
○ 2026-05-31 05:28:00
● 2026-05-31 16:58:48
● 2026-06-01 14:43:40
○ 2026-06-02 11:45:08
○ 2026-06-02 22:56:16
● 2026-06-02 23:40:38
○ 2026-06-03 09:20:26
○ 2026-06-03 11:29:16
● 2026-06-03 12:38:20
○ 2026-06-03 19:59:54
○ 2026-06-14 20:43:16
● 2026-06-14 21:33:24
○ 2026-06-15 08:28:40
● 2026-06-15 09:01:02
○ 2026-06-16 02:17:58
● 2026-06-21 21:40:22
○ 2026-06-22 02:29:26
○ 2026-07-28 18:44:50

○A2a06:98c1:3120::2026-05-01 → 2026-07-26 · 63 obs

○ 2026-05-01 17:14:42
● 2026-05-01 17:46:28
● 2026-05-03 08:14:14
○ 2026-05-04 07:55:38
● 2026-05-04 11:15:50
● 2026-05-10 19:46:28
○ 2026-05-11 05:02:30
● 2026-05-11 06:04:20
● 2026-05-14 13:18:52
○ 2026-05-14 22:52:48
● 2026-05-15 09:23:10
○ 2026-05-15 16:05:44
● 2026-05-16 00:02:50
● 2026-05-16 08:44:02
○ 2026-05-16 19:10:24
○ 2026-05-17 04:47:40
● 2026-05-17 07:09:22
● 2026-05-23 05:15:56
○ 2026-05-23 08:19:18
● 2026-05-23 13:12:30
● 2026-05-29 00:09:08
○ 2026-05-29 10:52:52
○ 2026-05-29 13:31:54
● 2026-05-29 22:52:58
● 2026-05-30 00:16:08
○ 2026-05-30 09:05:46
○ 2026-05-30 09:50:16
● 2026-05-30 10:30:52
● 2026-05-31 05:28:00
○ 2026-05-31 16:58:48
○ 2026-06-01 14:43:40
● 2026-06-02 11:45:08
○ 2026-06-02 22:56:16
○ 2026-06-02 23:40:38
● 2026-06-03 09:20:26
○ 2026-06-03 11:29:16
○ 2026-06-03 12:38:20
● 2026-06-03 19:59:54
● 2026-06-13 09:05:04
○ 2026-06-14 20:43:16
○ 2026-06-14 21:33:24
● 2026-06-15 08:28:40
○ 2026-06-15 09:01:02
● 2026-06-16 02:17:58
○ 2026-06-20 12:02:58
● 2026-06-20 14:42:36
○ 2026-06-21 21:40:22
● 2026-06-22 02:29:26
○ 2026-06-27 23:46:30
● 2026-06-28 00:23:20
○ 2026-07-03 14:24:32
● 2026-07-03 14:57:16
○ 2026-07-07 14:55:24
● 2026-07-07 15:28:12
○ 2026-07-08 04:18:54
● 2026-07-08 17:08:42
○ 2026-07-14 06:01:30
● 2026-07-14 06:40:42
○ 2026-07-15 09:27:46
● 2026-07-15 10:13:02
○ 2026-07-26 02:55:30
● 2026-07-26 03:36:54
○ 2026-07-28 18:44:50

○A2a06:98c1:3120::42026-05-30 → 2026-07-26 · 30 obs

○ 2026-05-30 00:16:08
● 2026-05-30 09:05:46
● 2026-05-30 09:50:16
○ 2026-05-30 10:30:52
○ 2026-06-02 11:45:08
● 2026-06-02 22:56:16
○ 2026-06-02 23:40:38
○ 2026-06-03 09:20:26
● 2026-06-03 11:29:16
○ 2026-06-03 12:38:20
○ 2026-06-13 09:05:04
● 2026-06-14 20:43:16
○ 2026-06-14 21:33:24
● 2026-06-20 12:02:58
○ 2026-06-20 14:42:36
● 2026-06-27 23:46:30
○ 2026-06-28 00:23:20
● 2026-07-03 14:24:32
○ 2026-07-03 14:57:16
● 2026-07-07 14:55:24
○ 2026-07-07 15:28:12
● 2026-07-08 04:18:54
○ 2026-07-08 06:24:26
● 2026-07-14 06:01:30
○ 2026-07-14 06:40:42
● 2026-07-15 09:27:46
○ 2026-07-15 10:13:02
● 2026-07-26 02:55:30
○ 2026-07-26 03:36:54
○ 2026-07-28 18:44:50

○A2a06:98c1:3121::2026-05-01 → 2026-07-26 · 63 obs

○ 2026-05-01 17:14:42
● 2026-05-01 17:46:28
● 2026-05-03 08:14:14
○ 2026-05-04 07:55:38
● 2026-05-04 11:15:50
● 2026-05-10 19:46:28
○ 2026-05-11 05:02:30
● 2026-05-11 06:04:20
● 2026-05-14 13:18:52
○ 2026-05-14 22:52:48
● 2026-05-15 09:23:10
○ 2026-05-15 16:05:44
● 2026-05-16 00:02:50
● 2026-05-16 08:44:02
○ 2026-05-16 19:10:24
○ 2026-05-17 04:47:40
● 2026-05-17 07:09:22
● 2026-05-23 05:15:56
○ 2026-05-23 08:19:18
● 2026-05-23 13:12:30
● 2026-05-29 00:09:08
○ 2026-05-29 10:52:52
○ 2026-05-29 13:31:54
● 2026-05-29 22:52:58
● 2026-05-30 00:16:08
○ 2026-05-30 09:05:46
○ 2026-05-30 09:50:16
● 2026-05-30 10:30:52
● 2026-05-31 05:28:00
○ 2026-05-31 16:58:48
○ 2026-06-01 14:43:40
● 2026-06-02 11:45:08
○ 2026-06-02 22:56:16
○ 2026-06-02 23:40:38
● 2026-06-03 09:20:26
○ 2026-06-03 11:29:16
○ 2026-06-03 12:38:20
● 2026-06-03 19:59:54
● 2026-06-13 09:05:04
○ 2026-06-14 20:43:16
○ 2026-06-14 21:33:24
● 2026-06-15 08:28:40
○ 2026-06-15 09:01:02
● 2026-06-16 02:17:58
○ 2026-06-20 12:02:58
● 2026-06-20 14:42:36
○ 2026-06-21 21:40:22
● 2026-06-22 02:29:26
○ 2026-06-27 23:46:30
● 2026-06-28 00:23:20
○ 2026-07-03 14:24:32
● 2026-07-03 14:57:16
○ 2026-07-07 14:55:24
● 2026-07-07 15:28:12
○ 2026-07-08 04:18:54
● 2026-07-08 17:08:42
○ 2026-07-14 06:01:30
● 2026-07-14 06:40:42
○ 2026-07-15 09:27:46
● 2026-07-15 10:13:02
○ 2026-07-26 02:55:30
● 2026-07-26 03:36:54
○ 2026-07-28 18:44:50

○A2a06:98c1:3121::42026-05-30 → 2026-07-26 · 30 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	d.dns-servers.vn, g.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...	-
simmed.vn	gloria.ns.cloudflare.com, alec.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.193.59

NS records: gloria.ns.cloudflare.com, alec.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simmed.vn (unsigned zone)

⏱️ Timing

Total: 1034ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.164.77, 104.21.73.172`
AAAA	2	`2606:4700:3035::ac43:a44d, 2606:4700:3031::6815:49ac`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`

Analysis

IP Addresses

elearning.simmed.vn has four IP addresses: 104.21.73.172, 172.67.164.77, 2606:4700:3031::6815:49ac and 2606:4700:3035::ac43:a44d.

Additional host names — www.gzbeink.com, img.20minut.ua, hrust-casino499.cfd and two others — share IP numbers with elearning.simmed.vn.

elearning.simmed.vn - robtex.com