`isignplus.vn`

DNSSEC	⚠️ Not signed
A	171.244.232.16^{🇻🇳 VIETEL-AS-AP171.244.232.0/22 Proxy-registered route object}
		PTR	`dynamic-adsl.viettel.vn`
NS	`ns1.3ts.vn` ⭐
		A	112.213.89.3^{🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
			PTR	`ns1.dotvndns.vn`
NS	`ns2.3ts.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c1b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-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	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`
TXT	`google-site-verification=YzeOzsAjOB_Rppe4LSE7rKwFGVAJmsc0oPICLFny-QE`
TXT	`v=spf1 include:_spf.google.com ~all`
SOA	`ns1.3ts.vn`hostmaster@isignplus.vn 2026-04-26 #85

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030754386

Subdomains

www.isignplus.vn

doanhnghiep.isignplus.vn

Same first word

isignplus.vn

Similar names

ignisplus.cz

DNS History

10 records (8 active, 2 former)

●NSns1.3ts.vn2019-12-23 → 2026-05-10 · 2 obs

● 2019-12-23 04:57:42
● 2026-05-10 09:03:06

●NSns2.3ts.vn2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-23 04:57:42
● 2026-05-01 11:20:18
● 2026-05-10 09:03:06

●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-23 04:57:42
● 2026-05-01 11:20:18
● 2026-05-10 09:03:06

●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-23 04:57:42
● 2026-05-01 11:20:18
● 2026-05-10 09:03:06

●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-23 04:57:42
● 2026-05-01 11:20:18
● 2026-05-10 09:03:06

●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-23 04:57:42
● 2026-05-01 11:20:18
● 2026-05-10 09:03:06

●MXaspmx.l.google.com2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-23 04:57:42
● 2026-05-01 11:20:18
● 2026-05-10 09:03:06

○MXmail.isignplus.vn2019-12-23 → 2019-12-23 · 3 obs

● 2019-12-23 04:57:42
○ 2026-05-01 11:20:18
○ 2026-05-10 09:03:06

●A171.244.232.162026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-23 04:57:42
● 2026-05-01 11:20:18
● 2026-05-10 09:03:06

○A203.190.164.1322019-12-23 → 2019-12-23 · 3 obs

● 2019-12-23 04:57:42
○ 2026-05-01 11:20:18
○ 2026-05-10 09:03:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
isignplus.vn	ns2.3ts.vn, ns1.3ts.vn	-

✅ Authoritative Response

Server:112.213.89.3

NS records: ns2.3ts.vn, ns1.3ts.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isignplus.vn (unsigned zone)

⏱️ Timing

Total: 2358ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`171.244.232.16`
NS	2	`ns1.3ts.vn, ns2.3ts.vn`
MX	5	`alt3.aspmx.l.google.com (pri: 10), alt1.aspmx.l.google.com (pri: 5)...`
TXT	2	`v=spf1 include:_spf.google.com ~all, google-site-verification=YzeOzsAjOB_Rppe`
SOA	1	`ns1.3ts.vn hostmaster.isignplus.vn`

Analysis

Hierarchy

isignplus.vn is a parent of www.isignplus.vn and doanhnghiep.isignplus.vn.

IP Addresses

isignplus.vn points to IP number: 171.244.232.16.

Other host names such as imuzik.vn, hefoohr.vess.vn, doanhnghiep.imuzik.vn, surveyvtt.viettel.vn and v3-nhipsong.vietteltelecom.vn share IPs with isignplus.vn.

Name Servers

isignplus.vn is delegated to two name servers: ns1.3ts.vn and ns2.3ts.vn.

isignplus.vn shares the same name server setup as nclub.com.vn, radiovietnam.vn, vuaxetai.vn, otobienhoa.vn and aceso.vn.

isignplus.vn at least partially shares name servers with other domains, for instance bigmall.vn, nenmonghungdung.vn, trongdoitam.vn, fortuna.vn and yensao.vn.