`edisontech.edu.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:1661^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:cc29^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.22.97^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.204.41^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fish.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26fc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fish.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fish.ns.cloudflare.com`
		A	108.162.194.252^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	162.159.38.252^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
		A	172.64.34.252^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fish.ns.cloudflare.com`
NS	`kip.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b80^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c180^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kip.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2180^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kip.ns.cloudflare.com`
		A	108.162.193.128^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	172.64.33.128^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
		A	173.245.59.128^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kip.ns.cloudflare.com`
MX	`edisontech-edu-vn.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`MS=ms53682415`
TXT	`google-site-verification=bFdpngDJl9r-Gd1Vwnx9hCEkr3FtKHDnSP2Q3jHNQd8`
TXT	`v=spf1 include:_spf.google.com include:spf.protection.outlook.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.22.97, 172.67.204.41
		IPv6 hints	2606:4700:3032::6815:1661, 2606:4700:3036::ac43:cc29
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=14, name=cloudflare-ech.com
SOA	`fish.ns.cloudflare.com`dns@cloudflare.com serial=2407930242

`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=2018584087

Subdomains

lms-stg.edisontech.edu.vn

Same first word

edisontech.org

edisontech.edu.vn

edisontech.com

Similar names

DNS History

13 records (7 active, 6 former)

●NSfish.ns.cloudflare.com2026-05-01 → 2026-07-30 · 2 obs

● 2026-05-01 01:39:08
● 2026-07-30 17:23:20

●NSkip.ns.cloudflare.com2026-05-01 → 2026-07-30 · 2 obs

● 2026-05-01 01:39:08
● 2026-07-30 17:23:20

●MXedisontech-edu-vn.mail.protection.outlook.com2026-05-01 → 2026-07-30 · 2 obs

● 2026-05-01 01:39:08
● 2026-07-30 17:23:20

●A104.21.22.972026-05-01 → 2026-07-30 · 5 obs

● 2026-05-01 01:39:08
● 2026-05-08 14:53:12
○ 2026-07-02 15:06:30
● 2026-07-16 14:23:42
● 2026-07-30 17:23:20

●A172.67.204.412026-05-01 → 2026-07-30 · 5 obs

● 2026-05-01 01:39:08
● 2026-05-08 14:53:12
○ 2026-07-02 15:06:30
● 2026-07-16 14:23:42
● 2026-07-30 17:23:20

○A188.114.96.02026-07-02 → 2026-07-02 · 4 obs

○ 2026-05-08 14:53:12
● 2026-07-02 15:06:30
○ 2026-07-16 14:23:42
○ 2026-07-30 17:23:20

○A188.114.97.02026-07-02 → 2026-07-02 · 4 obs

○ 2026-05-08 14:53:12
● 2026-07-02 15:06:30
○ 2026-07-16 14:23:42
○ 2026-07-30 17:23:20

○A2606:4700:3031::6815:16612026-05-01 → 2026-05-08 · 4 obs

● 2026-05-01 01:39:08
● 2026-05-08 14:53:12
○ 2026-07-02 15:06:30
○ 2026-07-30 17:23:20

●A2606:4700:3032::6815:16612026-07-16 → 2026-07-30 · 3 obs

○ 2026-07-02 15:06:30
● 2026-07-16 14:23:42
● 2026-07-30 17:23:20

○A2606:4700:3034::ac43:cc292026-05-01 → 2026-05-08 · 4 obs

● 2026-05-01 01:39:08
● 2026-05-08 14:53:12
○ 2026-07-02 15:06:30
○ 2026-07-30 17:23:20

●A2606:4700:3036::ac43:cc292026-07-16 → 2026-07-30 · 3 obs

○ 2026-07-02 15:06:30
● 2026-07-16 14:23:42
● 2026-07-30 17:23:20

○A2a06:98c1:3120::2026-07-02 → 2026-07-02 · 4 obs

○ 2026-05-08 14:53:12
● 2026-07-02 15:06:30
○ 2026-07-16 14:23:42
○ 2026-07-30 17:23:20

○A2a06:98c1:3121::2026-07-02 → 2026-07-02 · 4 obs

○ 2026-05-08 14:53:12
● 2026-07-02 15:06:30
○ 2026-07-16 14:23:42
○ 2026-07-30 17:23:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	d.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn, f.dns-servers.vn...	16 records
edisontech.edu.vn	fish.ns.cloudflare.com, kip.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.252

NS records: fish.ns.cloudflare.com, kip.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 888ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.204.41, 104.21.22.97`
AAAA	2	`2606:4700:3032::6815:1661, 2606:4700:3036::ac43:cc29`
NS	2	`fish.ns.cloudflare.com, kip.ns.cloudflare.com`
MX	1	`edisontech-edu-vn.mail.protection.outloo`
TXT	3	`MS=ms53682415, google-site-verification=bFdpngDJl9r-Gd1...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fish.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)

Analysis

Hierarchy

edisontech.edu.vn is a parent domain of lms-stg.edisontech.edu.vn.

IP Addresses

edisontech.edu.vn has four IP addresses: 104.21.22.97, 172.67.204.41, 2606:4700:3032::6815:1661 and 2606:4700:3036::ac43:cc29.

Among the host names that share IP numbers with edisontech.edu.vn are 3investonline.com, synonymix.fr, cdnk.eu and two others.

Name Servers

edisontech.edu.vn is delegated to two name servers: fish.ns.cloudflare.com and kip.ns.cloudflare.com.

edisontech.edu.vn has the same name server delegation as a number of other domains, such as vitae.so, savvycom.vn, eba514c150.online and two more.

edisontech.edu.vn shares at least some of its name servers with other domains, including yggcjob.com, edwork.org, trellia.com and two others.

These name servers are routinely co-deployed with the name servers gabe.ns.cloudflare.com, nikon.ns.cloudflare.com, malcolm.ns.cloudflare.com and two others.

Host names resolving to 6 IP numbers:

fish.ns.cloudflare.com resolves to 108.162.194.252, 162.159.38.252, 172.64.34.252 and 3 other IP addresses.

kip.ns.cloudflare.com resolves to 108.162.193.128, 172.64.33.128, 173.245.59.128 and 3 other IP addresses.

Mail Servers

edisontech.edu.vn routes its mail through a single mail server, edisontech-edu-vn.mail.protection.outlook.com.

edisontech-edu-vn.mail.protection.outlook.com directs to 6 IP numbers, including 52.101.124.117, 52.101.137.0 and 52.101.157.80, along with 3 other.

edisontech.edu.vn - robtex.com