`bca.edu.vn`

DNSSEC	⚠️ Not signed
A	137.59.105.27^{🇻🇳 GMO-ZCOM-AS-VN137.59.105.0/24 RUNSYSTEM-VN}
		PTR	`ng-shost103.tenten.vn`
NS	`ns4.tenten.vn` ⭐
		A	2404:f080:1101:302:a163:44:193:20^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns4.tenten.vn`
		A	103.18.7.204^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns4.tenten.vn`
NS	`ns5.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:21^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns5.tenten.vn`
		A	103.18.7.205^{🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN}
			PTR	`ns5.tenten.vn`
NS	`ns6.tenten.vn`
		A	2404:f080:1101:302:a163:44:193:22^{🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi}
			PTR	`ns6.tenten.vn`
		A	52.74.6.184^{🇸🇬 Amazon52.74.0.0/16 SIN prefix}
			PTR	`ec2-52-74-6-184.ap-southeast-1.compute.amazonaws.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c25::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadtq-in-f27.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.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	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4001:c70::1b^{🇺🇸 Google2607:f8b0:4001::/48}
			PTR	`yucbful-in-f27.1e100.net`
		A	192.178.209.26^{🇺🇸 Google192.178.209.0/24}
			PTR	`yucbful-in-f26.1e100.net`
TXT	`v=spf1 mx a ip4:175.125.93.134 ~all`
TXT	`google-site-verification=nXAuTgp3Q4q5tD9pkmVOKCZH_o5Z384LnSqTe-YgSGs`
SOA	`ns4.tenten.vn`hostmaster@bca.edu.vn 2025-11-21 #19

`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=2018562879

Same first word

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bca.edu.gr

bca.auto

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DNS History

9 records (9 active, 0 former)

●NSns4.tenten.vn2026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

●NSns5.tenten.vn2026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

●NSns6.tenten.vn2026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

●MXaspmx.l.google.com2026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

●A137.59.105.272026-05-01 → 2026-05-01 · 2 obs

● 2026-05-01 00:12:06
● 2026-05-01 22:51:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
bca.edu.vn	ns6.tenten.vn, ns5.tenten.vn, ns4.tenten.vn	-

✅ Authoritative Response

Server:103.18.7.205

NS records: ns6.tenten.vn, ns5.tenten.vn, ns4.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2220ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`137.59.105.27`
NS	3	`ns4.tenten.vn, ns5.tenten.vn...`
MX	5	`ALT2.ASPMX.L.GOOGLE.COM (pri: 5), ALT3.ASPMX.L.GOOGLE.COM (pri: 10)...`
TXT	2	`v=spf1 mx a ip4:175.125.93.134 ~all, google-site-verification=nXAuTgp3Q4q5tD9`
SOA	1	`ns4.tenten.vn hostmaster.bca.edu.vn`