`first-labs.com`

DNSSEC	⚠️ Not signed
A	103.195.240.95^{🇻🇳 TOCDOSOVN-AS-VN103.195.240.0/22 TOCDOSO-VN}
NS	`ns1.aluhost.com` ⭐
		A	103.195.240.3^{🇻🇳 TOCDOSOVN-AS-VN103.195.240.0/22 TOCDOSO-VN}
			PTR	`ns1.aluhost.com`
NS	`ns2.aluhost.com`
		A	103.195.241.83^{🇻🇳 TOCDOSOVN-AS-VN103.195.240.0/22 TOCDOSO-VN}
			PTR	`ns2.aluhost.com`
MX	`mail.first-labs.com` ⭐
		A	103.195.241.108^{🇻🇳 TOCDOSOVN-AS-VN103.195.240.0/22 TOCDOSO-VN}
			PTR	`mail.haphan.com`
TXT	`v=spf1 +a +mx +ip4:103.195.241.108 ~all`
TXT	`google-site-verification=KUaDbf51I4KCJZUKvI7SaDut8LKm6Zcp9NlT5fq53_Q`
SOA	`ns1.aluhost.com`sysadmin@aluhost.vn 2025-06-26 #4

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778404621

Subdomains

mail.first-labs.com

Same first word

first-labs.com

DNS History

10 records (4 active, 6 former)

●NSns1.aluhost.com2019-03-02 → 2026-05-10 · 3 obs

○ 2017-02-17 16:29:32
● 2019-03-02 10:47:00
● 2026-05-10 09:38:16

○NSns1.matbao.com2015-06-17 → 2017-02-17 · 4 obs

● 2015-06-17 17:25:02
● 2017-02-17 16:29:32
○ 2019-03-02 10:47:00
○ 2026-05-10 09:38:16

●NSns2.aluhost.com2019-03-02 → 2026-05-10 · 3 obs

○ 2017-02-17 16:29:32
● 2019-03-02 10:47:00
● 2026-05-10 09:38:16

○NSns2.matbao.com2015-06-17 → 2017-02-17 · 4 obs

● 2015-06-17 17:25:02
● 2017-02-17 16:29:32
○ 2019-03-02 10:47:00
○ 2026-05-10 09:38:16

●MXmail.first-labs.com2016-01-22 → 2026-05-10 · 2 obs

● 2016-01-22 19:46:46
● 2026-05-10 09:38:16

●A103.195.240.952026-03-18 → 2026-05-10 · 3 obs

○ 2019-03-02 10:47:00
● 2026-03-18 02:39:02
● 2026-05-10 09:38:16

○A103.254.13.452016-01-22 → 2016-01-22 · 4 obs

○ 2015-10-30 10:34:44
● 2016-01-22 19:46:46
○ 2016-06-18 11:15:54
○ 2026-05-10 09:38:16

○A115.84.183.612016-06-18 → 2017-02-17 · 5 obs

○ 2016-01-22 19:46:46
● 2016-06-18 11:15:54
● 2017-02-17 16:29:32
○ 2019-03-02 10:47:00
○ 2026-05-10 09:38:16

○A125.212.217.92019-03-02 → 2019-03-02 · 4 obs

○ 2017-02-17 16:29:32
● 2019-03-02 10:47:00
○ 2026-03-18 02:39:02
○ 2026-05-10 09:38:16

○A42.117.7.1822015-06-17 → 2015-10-30 · 4 obs

● 2015-06-17 17:25:02
● 2015-10-30 10:34:44
○ 2016-01-22 19:46:46
○ 2026-05-10 09:38:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
first-labs.com	ns1.aluhost.com, ns2.aluhost.com	2 records

✅ Authoritative Response

Server:103.195.241.83

NS records: ns1.aluhost.com, ns2.aluhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for first-labs.com (unsigned zone)

⏱️ Timing

Total: 1040ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.195.240.95`
NS	2	`ns1.aluhost.com, ns2.aluhost.com`
MX	1	`mail.first-labs.com (pri: 5)`
TXT	2	`v=spf1 +a +mx +ip4:103.195.241.108 ~all, google-site-verification=KUaDbf51I4KCJZU`
SOA	1	`ns1.aluhost.com sysadmin.aluhost.vn`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.aluhost.com, ns2.aluhost.com)

Analysis

Hierarchy

first-labs.com is the parent of mail.first-labs.com.

IP Addresses

first-labs.com resolves to a single IP: 103.195.240.95.

Other host names share IP numbers with first-labs.com; for instance haphansci.com.

Name Servers

first-labs.com has two name servers: ns1.aluhost.com and ns2.aluhost.com.

first-labs.com shares the same name server setup as other domains, for example ictsc.vn, baohovietnam.com, haphansci.com, oichin.net and 240.195.103.in-addr.arpa.

Host names with a single IP:

ns1.aluhost.com points to 103.195.240.3

ns2.aluhost.com points to 103.195.241.83

Mail Servers

first-labs.com is handled by a single mail server, mail.first-labs.com.

Host name mail.first-labs.com points to IP 103.195.241.108.

first-labs.com - robtex.com

first-labs.com

com