firstcom.vn - dns.ninja

`firstcom.vn`

DNSSEC	⚠️ Not signed
A	103.138.88.69^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
NS	`ns-b3.tenten.vn` ⭐
		A	2404:f080:1101:321:a150:95:110:1232^{🇻🇳 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	`va150-95-110-123-2.a00e.g.han1.static.cnode.io`
		A	163.44.207.21^{🇻🇳 GMO-ZCOM-AS-VN163.44.206.0/23 RUNSYSTEM-VN}
			PTR	`v163-44-207-21.a006.g.han1.static.cnode.io`
NS	`ns-b1.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1230^{🇻🇳 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	`va150-95-110-123-0.a00e.g.han1.static.cnode.io`
		A	137.59.104.67^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
NS	`ns-b2.tenten.vn`
		A	2404:f080:1101:321:a150:95:110:1231^{🇻🇳 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	`va150-95-110-123-1.a00e.g.han1.static.cnode.io`
		A	137.59.104.68^{🇻🇳 GMO-ZCOM-AS-VN137.59.104.0/22 RUNSYSTEM-VN}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	172.253.115.27^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.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	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`6vvf1f6bm468mgn4524mx9fy7g94rgpn`
SOA	`ns-b3.tenten.vn`hostmaster@firstcom.vn serial=1780990253

`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 2031-10-04 #80

Subdomains

mail.firstcom.vn

Same first word

firstcom.org

firstcom.de

firstcom.cn

firstcom.com.sg

firstcom.cl

firstcom.ch

firstcom.net

firstcom.hu

firstcom.kr

firstcom.com.br

firstcom.com

firstcom.com.pe

firstcom.dk

firstcom.vn

firstcom.fr

firstcom.co.uk

firstcom.ru

firstcom.eu

firstcom.no

firstcom.co.kr

firstcom.com.vn

Similar names

DNS History

18 records (9 active, 9 former)

●NSns-b1.tenten.vn2026-02-17 → 2026-08-12 · 3 obs

○ 2018-05-19 16:57:04
● 2026-02-17 18:42:28
● 2026-08-12 08:32:12

●NSns-b2.tenten.vn2026-02-17 → 2026-08-12 · 3 obs

○ 2018-05-19 16:57:04
● 2026-02-17 18:42:28
● 2026-08-12 08:32:12

●NSns-b3.tenten.vn2026-02-17 → 2026-08-12 · 3 obs

○ 2018-05-19 16:57:04
● 2026-02-17 18:42:28
● 2026-08-12 08:32:12

○NSns.firstcom.vn2018-05-19 → 2018-05-19 · 3 obs

● 2018-05-19 16:57:04
○ 2026-02-17 18:42:28
○ 2026-08-12 08:32:12

○NSns1.hcmc.netnam.vn2018-05-19 → 2018-05-19 · 3 obs

● 2018-05-19 16:57:04
○ 2026-02-17 18:42:28
○ 2026-08-12 08:32:12

○NSns2.hcmc.netnam.vn2018-05-19 → 2018-05-19 · 3 obs

● 2018-05-19 16:57:04
○ 2026-02-17 18:42:28
○ 2026-08-12 08:32:12

●MXalt1.aspmx.l.google.com2018-05-19 → 2026-08-12 · 6 obs

● 2018-05-19 16:57:04
● 2026-06-13 06:56:00
○ 2026-06-18 10:11:06
○ 2026-06-18 17:52:56
● 2026-06-20 17:26:16
● 2026-08-12 08:32:12

●MXalt2.aspmx.l.google.com2018-05-19 → 2026-08-12 · 6 obs

● 2018-05-19 16:57:04
● 2026-06-13 06:56:00
○ 2026-06-18 10:11:06
○ 2026-06-18 17:52:56
● 2026-06-20 17:26:16
● 2026-08-12 08:32:12

●MXalt3.aspmx.l.google.com2026-02-17 → 2026-08-12 · 7 obs

○ 2018-05-19 16:57:04
● 2026-02-17 18:42:28
● 2026-06-13 06:56:00
○ 2026-06-18 10:11:06
○ 2026-06-18 17:52:56
● 2026-06-20 17:26:16
● 2026-08-12 08:32:12

●MXalt4.aspmx.l.google.com2026-02-17 → 2026-08-12 · 7 obs

○ 2018-05-19 16:57:04
● 2026-02-17 18:42:28
● 2026-06-13 06:56:00
○ 2026-06-18 10:11:06
○ 2026-06-18 17:52:56
● 2026-06-20 17:26:16
● 2026-08-12 08:32:12

●MXaspmx.l.google.com2018-05-19 → 2026-08-12 · 6 obs

● 2018-05-19 16:57:04
● 2026-06-13 06:56:00
○ 2026-06-18 10:11:06
○ 2026-06-18 17:52:56
● 2026-06-20 17:26:16
● 2026-08-12 08:32:12

○MXaspmx2.googlemail.com2018-05-19 → 2018-05-19 · 3 obs

● 2018-05-19 16:57:04
○ 2026-02-17 18:42:28
○ 2026-08-12 08:32:12

○MXaspmx3.googlemail.com2018-05-19 → 2018-05-19 · 3 obs

● 2018-05-19 16:57:04
○ 2026-02-17 18:42:28
○ 2026-08-12 08:32:12

○MXmail.firstcom.vn2018-05-19 → 2018-05-19 · 3 obs

● 2018-05-19 16:57:04
○ 2026-02-17 18:42:28
○ 2026-08-12 08:32:12

○MXsmtp.sendgrid.net2018-05-19 → 2018-05-19 · 3 obs

● 2018-05-19 16:57:04
○ 2026-02-17 18:42:28
○ 2026-08-12 08:32:12

●A103.138.88.692026-06-12 → 2026-08-12 · 3 obs

○ 2026-06-06 00:50:30
● 2026-06-12 01:06:16
● 2026-08-12 08:32:12

○A103.90.220.322018-05-19 → 2018-05-19 · 3 obs

● 2018-05-19 16:57:04
○ 2026-02-17 18:42:28
○ 2026-08-12 08:32:12

○A112.78.2.112026-02-17 → 2026-06-06 · 5 obs

○ 2018-05-19 16:57:04
● 2026-02-17 18:42:28
● 2026-06-06 00:50:30
○ 2026-06-12 01:06:16
○ 2026-08-12 08:32:12

🔍 DNS Trace

Analysis

Hierarchy

mail.firstcom.vn is a subdomain of firstcom.vn.

IP Addresses

firstcom.vn resolves to just one IP address, 103.138.88.69.

Two other host names, along with hnhpa.com, pn-tech.com.vn and www.doxehay.vn, also share IP numbers with firstcom.vn.

Name Servers

Three name servers are authoritative for firstcom.vn: ns-b1.tenten.vn, ns-b2.tenten.vn and ns-b3.tenten.vn.

The name servers of firstcom.vn overlap at least partially with those of other domains — among them heliusmedia.com.vn, intel.edu.vn, papababy.com.vn and two more.

The name servers ns-a1.tenten.vn, ns-a2.tenten.vn and ns-a3.tenten.vn are commonly seen alongside these name servers.

ns-b1.tenten.vn resolves to 137.59.104.67 and 2404:f080:1101:321:a150:95:110:1230. ns-b2.tenten.vn resolves to 137.59.104.68 and 2404:f080:1101:321:a150:95:110:1231. ns-b3.tenten.vn resolves to 163.44.207.21 and 2404:f080:1101:321:a150:95:110:1232. All three hostnames point to two IP numbers each.

Mail Servers

Five mail servers handle firstcom.vn: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between firstcom.vn and other domains, including invotra.com, alfredodesigns.com, sympatico.media and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com maps to two IP addresses — 172.253.115.27 and 2607:f8b0:4004:c0b::1b.

alt1.aspmx.l.google.com maps to two IP addresses — 192.178.234.27 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.