`vietlesson.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:4169^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a274^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.65.105^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.116^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carrera.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26e7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2e7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carrera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22e7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carrera.ns.cloudflare.com`
		A	108.162.194.231^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	162.159.38.231^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
		A	172.64.34.231^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carrera.ns.cloudflare.com`
NS	`quentin.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c07^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quentin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c307^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`quentin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2307^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`quentin.ns.cloudflare.com`
		A	108.162.195.7^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quentin.ns.cloudflare.com`
		A	162.159.44.7^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quentin.ns.cloudflare.com`
		A	172.64.35.7^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`quentin.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=SuHDa30UPWnIDDcpiFGeErbO69tfhzesx-HnDKwXHoA`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.65.105, 172.67.162.116
		IPv6 hints	2606:4700:3036::6815:4169, 2606:4700:3036::ac43:a274
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=129, name=cloudflare-ech.com
SOA	`carrera.ns.cloudflare.com`dns@cloudflare.com serial=2410821049

`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=1785560042

Subdomains

vn.vietlesson.com

esim.vietlesson.com

Same first word

vietlesson.com

Similar names

linestoves.com

stoneslive.com

esolventis.com

vetlesions.com

stoneslive.co.uk

solievents.com

stevenolis.com

livesnotes.com

livestones.ru

DNS History

21 records (11 active, 10 former)

●NScarrera.ns.cloudflare.com2026-07-09 → 2026-08-01 · 3 obs

○ 2026-05-12 11:17:54
● 2026-07-09 11:59:56
● 2026-08-01 05:00:48

○NSjosh.ns.cloudflare.com2015-07-17 → 2026-05-12 · 4 obs

● 2015-07-17 09:59:50
● 2026-05-12 11:17:54
○ 2026-07-09 11:59:56
○ 2026-08-01 05:00:48

○NSkim.ns.cloudflare.com2015-07-17 → 2026-05-12 · 4 obs

● 2015-07-17 09:59:50
● 2026-05-12 11:17:54
○ 2026-07-09 11:59:56
○ 2026-08-01 05:00:48

●NSquentin.ns.cloudflare.com2026-07-09 → 2026-08-01 · 3 obs

○ 2026-05-12 11:17:54
● 2026-07-09 11:59:56
● 2026-08-01 05:00:48

●MXalt1.aspmx.l.google.com2015-07-17 → 2026-08-01 · 2 obs

● 2015-07-17 09:59:50
● 2026-08-01 05:00:48

●MXalt2.aspmx.l.google.com2015-07-17 → 2026-08-01 · 2 obs

● 2015-07-17 09:59:50
● 2026-08-01 05:00:48

●MXalt3.aspmx.l.google.com2015-07-17 → 2026-08-01 · 2 obs

● 2015-07-17 09:59:50
● 2026-08-01 05:00:48

●MXalt4.aspmx.l.google.com2015-07-17 → 2026-08-01 · 2 obs

● 2015-07-17 09:59:50
● 2026-08-01 05:00:48

●MXaspmx.l.google.com2015-07-17 → 2026-08-01 · 2 obs

● 2015-07-17 09:59:50
● 2026-08-01 05:00:48

○A104.21.2.1372026-05-08 → 2026-05-12 · 5 obs

○ 2017-08-01 05:29:56
● 2026-05-08 08:01:46
● 2026-05-12 11:17:54
○ 2026-07-09 11:59:56
○ 2026-08-01 05:00:48

●A104.21.65.1052026-07-09 → 2026-08-01 · 3 obs

○ 2026-05-12 11:17:54
● 2026-07-09 11:59:56
● 2026-08-01 05:00:48

○A104.28.14.202015-07-17 → 2017-08-01 · 4 obs

● 2015-07-17 09:59:50
● 2017-08-01 05:29:56
○ 2026-05-08 08:01:46
○ 2026-08-01 05:00:48

○A104.28.15.202015-07-17 → 2017-08-01 · 4 obs

● 2015-07-17 09:59:50
● 2017-08-01 05:29:56
○ 2026-05-08 08:01:46
○ 2026-08-01 05:00:48

○A172.67.129.702026-05-08 → 2026-05-12 · 5 obs

○ 2017-08-01 05:29:56
● 2026-05-08 08:01:46
● 2026-05-12 11:17:54
○ 2026-07-09 11:59:56
○ 2026-08-01 05:00:48

●A172.67.162.1162026-07-09 → 2026-08-01 · 3 obs

○ 2026-05-12 11:17:54
● 2026-07-09 11:59:56
● 2026-08-01 05:00:48

○A2400:cb00:2048:1::681c:e142015-07-17 → 2017-08-01 · 4 obs

● 2015-07-17 09:59:50
● 2017-08-01 05:29:56
○ 2026-05-08 08:01:46
○ 2026-08-01 05:00:48

○A2400:cb00:2048:1::681c:f142015-07-17 → 2017-08-01 · 4 obs

● 2015-07-17 09:59:50
● 2017-08-01 05:29:56
○ 2026-05-08 08:01:46
○ 2026-08-01 05:00:48

○A2606:4700:3033::ac43:81462026-05-08 → 2026-05-12 · 5 obs

○ 2017-08-01 05:29:56
● 2026-05-08 08:01:46
● 2026-05-12 11:17:54
○ 2026-07-09 11:59:56
○ 2026-08-01 05:00:48

○A2606:4700:3035::6815:2892026-05-08 → 2026-05-12 · 5 obs

○ 2017-08-01 05:29:56
● 2026-05-08 08:01:46
● 2026-05-12 11:17:54
○ 2026-07-09 11:59:56
○ 2026-08-01 05:00:48

●A2606:4700:3036::6815:41692026-07-09 → 2026-08-01 · 3 obs

○ 2026-05-12 11:17:54
● 2026-07-09 11:59:56
● 2026-08-01 05:00:48

●A2606:4700:3036::ac43:a2742026-07-09 → 2026-08-01 · 3 obs

○ 2026-05-12 11:17:54
● 2026-07-09 11:59:56
● 2026-08-01 05:00:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
vietlesson.com	carrera.ns.cloudflare.com, quentin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.7

NS records: carrera.ns.cloudflare.com, quentin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for vietlesson.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.65.105, 172.67.162.116`
AAAA	2	`2606:4700:3036::ac43:a274, 2606:4700:3036::6815:4169`
NS	2	`carrera.ns.cloudflare.com, quentin.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`google-site-verification=SuHDa30UPWnIDDc`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carrera.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (carrera.ns.cloudflare.com, carrera.ns.cloudflare.com, carrera.ns.cloudflare.com...)

Analysis

Hierarchy

vietlesson.com is the parent domain of vn.vietlesson.com and esim.vietlesson.com.

IP Addresses

vietlesson.com has four IP addresses: 104.21.65.105, 172.67.162.116, 2606:4700:3036::6815:4169 and 2606:4700:3036::ac43:a274.

Additional host names — secure-rechnung.co, games-live.live, allodd.com and two others — share IP numbers with vietlesson.com.

Name Servers

vietlesson.com uses two name servers for its delegation: carrera.ns.cloudflare.com and quentin.ns.cloudflare.com.

vietlesson.com shares its name server setup with other domains, including nguyenvantuanopenai.workers.dev, nickandro.com, guess168.vip and two others.

vietlesson.com shares at least some of its name servers with other domains, including bourbonstreet.ru, l9661.workers.dev, sdl-ds.com and two others.

These name servers are frequently seen alongside the name servers randall.ns.cloudflare.com, lia.ns.cloudflare.com, aiden.ns.cloudflare.com and jim.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname carrera.ns.cloudflare.com directs to 108.162.194.231, 162.159.38.231 and 172.64.34.231 along with 3 other IP addresses.

Hostname quentin.ns.cloudflare.com directs to 108.162.195.7, 162.159.44.7 and 172.64.35.7 along with 3 other IP addresses.

Mail Servers

Mail for vietlesson.com is handled by five mail servers, namely aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

vietlesson.com shares mail servers — at least in part — with other domains, including thecityofhemp.com, arkaholdings.com, tapecollective.co.uk and two others.

These mail servers are frequently paired with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com directs traffic to 192.178.155.27 and 2607:f8b0:4004:c21::1b.

alt1.aspmx.l.google.com directs traffic to 108.177.123.26 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com directs traffic to 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com directs traffic to 192.178.223.26 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com directs traffic to 172.253.157.27 and 2a00:1450:400c:c23::1b.