`jacklam.edu.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:433c^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:d6fb^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.60^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.214.251^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carlane.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2619^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c219^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carlane.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2219^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carlane.ns.cloudflare.com`
		A	108.162.194.25^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	162.159.38.25^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
		A	172.64.34.25^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carlane.ns.cloudflare.com`
NS	`lochlan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cea^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lochlan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ea^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lochlan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ea^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lochlan.ns.cloudflare.com`
		A	108.162.195.234^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lochlan.ns.cloudflare.com`
		A	162.159.44.234^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lochlan.ns.cloudflare.com`
		A	172.64.35.234^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lochlan.ns.cloudflare.com`
MX	`_dc-mx.65ed310a9963.jacklam.edu.vn` ⭐
		A	103.27.237.120^{🇻🇳 LVSS-AS-VN103.27.237.0/24 LVSS-VN}
MX	`mx2.zoho.eu` ⭐
		A	89.36.170.166^{🇨🇭 COMPUTERLINE89.36.170.0/24}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx3.zoho.eu`⁽²⁰⁾
		A	185.230.212.166^{🇳🇱 ZOHO-EU185.230.212.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
MX	`mx.zoho.eu`⁽⁵⁰⁾
		A	185.20.209.166^{🇨🇭 COMPUTERLINE185.20.209.0/24}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
		A	185.230.214.166^{🇳🇱 ZOHO-EU185.230.214.0/23}
			PTR	`mx2.zoho.eu`
			PTR	`mx3.zoho.eu`
			PTR	`mx.zoho.eu`
TXT	`google-site-verification=7iiEuLPqngp9e5h2qM_1C1py4un4VN9w8WRhK_mpaTc`
TXT	`v=spf1 include:zohomail.eu a mx ip4:103.27.237.120 include:jacklam.edu.vn inc...`
TXT	`zoho-verification=zb35735792.zmverify.zoho.eu`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.60, 172.67.214.251
		IPv6 hints	2606:4700:3032::6815:433c, 2606:4700:3037::ac43:d6fb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOA	`carlane.ns.cloudflare.com`dns@cloudflare.com serial=2405911225

`edu.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2018571276

Same first word

jacklam.edu.vn

DNS History

10 records (10 active, 0 former)

●NScarlane.ns.cloudflare.com2026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●NSlochlan.ns.cloudflare.com2026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●MX_dc-mx.65ed310a9963.jacklam.edu.vn2026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●MXmx.zoho.eu2026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●MXmx2.zoho.eu2026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●MXmx3.zoho.eu2026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●A104.21.67.602026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●A172.67.214.2512026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●A2606:4700:3032::6815:433c2026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

●A2606:4700:3037::ac43:d6fb2026-04-30 → 2026-06-05 · 2 obs

● 2026-04-30 19:31:16
● 2026-06-05 03:19:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	f.dns-servers.vn, g.dns-servers.vn, h.dns-servers.vn, c.dns-servers.vn...	-
jacklam.edu.vn	lochlan.ns.cloudflare.com, carlane.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.44.234

NS records: lochlan.ns.cloudflare.com, carlane.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jacklam.edu.vn (unsigned zone)

⏱️ Timing

Total: 3818ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.67.60, 172.67.214.251`
AAAA	2	`2606:4700:3032::6815:433c, 2606:4700:3037::ac43:d6fb`
NS	2	`carlane.ns.cloudflare.com, lochlan.ns.cloudflare.com`
MX	4	`_dc-mx.65ed310a9963.jacklam.edu.vn (pri:, mx.zoho.eu (pri: 10)...`
TXT	3	`google-site-verification=7iiEuLPqngp9e5h, v=spf1 include:zohomail.eu a mx ip4:103....`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carlane.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

With 4 IP addresses, jacklam.edu.vn directs to 104.21.67.60, 172.67.214.251, 2606:4700:3032::6815:433c and 2606:4700:3037::ac43:d6fb.

Among the host names that share IP numbers with jacklam.edu.vn are www.makewebvideo.com, karmalogy.net, mm223.com and two others.

Name Servers

jacklam.edu.vn is delegated to two name servers: carlane.ns.cloudflare.com and lochlan.ns.cloudflare.com.

jacklam.edu.vn has the same name server delegation as a number of other domains, such as sovithara.com, ergohq.com, accessoriestats.com and two more.

There is at least partial name server overlap between jacklam.edu.vn and other domains — sattacom.in, uruguay.com, formacaomercadologica.com.br and two more among them.

These name servers frequently co-occur with the name servers sam.ns.cloudflare.com and dion.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

carlane.ns.cloudflare.com maps to six IP addresses: 108.162.194.25, 162.159.38.25, 172.64.34.25 and three others.

lochlan.ns.cloudflare.com maps to six IP addresses: 108.162.195.234, 162.159.44.234, 172.64.35.234 and three others.

Mail Servers

jacklam.edu.vn delegates incoming mail to 4 mail servers: mx2.zoho.eu, mx3.zoho.eu, mx.zoho.eu and _dc-mx.65ed310a9963.jacklam.edu.vn.

jacklam.edu.vn shares at least some of its mail servers with other domains — for example rassilni.com, xtreme-fitness.co.uk, justbrightideas.com and two more.

Hosts with two IP numbers each:

mx.zoho.eu points to 185.20.209.166 and 185.230.214.166.

Host names with one IP number:

mx2.zoho.eu points to 89.36.170.166.

mx3.zoho.eu points to 185.230.212.166.

_dc-mx.65ed310a9963.jacklam.edu.vn points to 103.27.237.120.

jacklam.edu.vn - robtex.com

jacklam.edu.vn

edu.vn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`jacklam.edu.vn`

`edu.vn`