`thcsvithanh.edu.vn`

DNSSEC	⚠️ Not signed
A	117.5.229.196^{🇻🇳 VIETEL-AS-AP117.5.229.0/24 Proxy-registered route object}
		PTR	`localhost`
NS	`ns1.zonedns.vn` ⭐
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	64.176.84.220^{🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix}
			PTR	`ns1.zonedns.vn`
NS	`ns2.zonedns.vn`
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	103.176.178.51^{🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN}
NS	`ns3.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.36.30^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
NS	`ns4.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.39.159^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0b::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f27.1e100.net`
		A	142.250.141.27^{🇺🇸 Google142.250.141.0/24}
			PTR	`dd-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 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::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f26.1e100.net`
		A	172.253.135.26^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
MX	`wd6nmsiz2hrou7wlqc33gag264ew5nehipoxnb5mecemko4mkrka.mx-verification.google.com`⁽¹⁵⁾
TXT	`MS=ms51725925`
SOA	`ns1.zonedns.vn`root@thcsvithanh.edu.vn 2022-09-05 #1

`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=2018565192

Subdomains

smtp.thcsvithanh.edu.vn

webmail.thcsvithanh.edu.vn

website.thcsvithanh.edu.vn

m.thcsvithanh.edu.vn

cpcontacts.thcsvithanh.edu.vn

www.thcsvithanh.edu.vn

autodiscover.thcsvithanh.edu.vn

txhxwm.thcsvithanh.edu.vn

cpcalendars.thcsvithanh.edu.vn

cpanel.thcsvithanh.edu.vn

webdisk.thcsvithanh.edu.vn

dddd.thcsvithanh.edu.vn

Same first word

thcsvithanh.edu.vn

DNS History

11 records (11 active, 0 former)

●NSns1.zonedns.vn2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●NSns2.zonedns.vn2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●NSns3.zonedns.vn2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●NSns4.zonedns.vn2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●MXalt1.aspmx.l.google.com2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●MXalt2.aspmx.l.google.com2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●MXalt3.aspmx.l.google.com2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●MXalt4.aspmx.l.google.com2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●MXaspmx.l.google.com2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●MXwd6nmsiz2hrou7wlqc33gag264ew5nehipoxnb5mecemko4mkrka.mx-verification.google.com2026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

●A117.5.229.1962026-05-08 → 2026-05-12 · 2 obs

● 2026-05-08 12:31:32
● 2026-05-12 00:31:24

🔍 DNS Trace

Analysis

Hierarchy

thcsvithanh.edu.vn is the parent of smtp.thcsvithanh.edu.vn, webmail.thcsvithanh.edu.vn, website.thcsvithanh.edu.vn, m.thcsvithanh.edu.vn, cpcontacts.thcsvithanh.edu.vn and a few other host names.