`bitisgroup.vn`

DNSSEC	⚠️ Not signed
A	112.109.93.133^{🇻🇳 MTT-AS-VN112.109.93.0/24 MTT-VN Minh Tu Telecom Limited Company}
NS	`ns1.pavietnam.vn` ⭐
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.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.pavietnam.vn`
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nsbak.pavietnam.net` ⚠️ Not in zone NS records
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 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	`ns8922.dotvndns.vn`
MX	`mx25458.maychuemail.net` ⭐
		A	103.252.254.58^{🇻🇳 SUPERDATA103.252.254.0/24 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	`mail25458.maychuemail.com`
MX	`mail25458.maychuemail.com`⁽⁵⁾
		A	103.252.254.58^{🇻🇳 SUPERDATA103.252.254.0/24 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	`mail25458.maychuemail.com`
MX	`mailex.bitisgroup.vn`⁽²⁰⁾
		A	115.78.131.195^{🇻🇳 VIETEL-AS-AP115.78.128.0/21 Proxy-registered route object}
TXT	`mc545rx8qqv9d2d9xshzhswblz2vvp5k`
TXT	`_nqjtnpqk71m02aogiayjecta2onepeh`
TXT	`_4sirzxzfhf5k3rnejo5646lxvpzqdjh`
TXT	`4z7krkttyjmpxwx62s8qcc0khtkhkttz`
TXT	`t72tvbx92hcy3fkb2x2l3rmxdb5qfzbs`
TXT	`v=spf1 +a +mx +ip4:103.252.254.58 ~all`
TXT	`yj05bvm9b3z6kyytnlzf2qb264y20mb2`
SOA	`ns1.pavietnam.vn`hostmaster@bitisgroup.vn 2026-03-10 #73

`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=2030653500

Subdomains

mail.bitisgroup.vn

mailex.bitisgroup.vn

Same first word

bitisgroup.vn

DNS History

14 records (7 active, 7 former)

○NSdns1.hcm.fpt.vn2008-06-25 → 2017-03-14 · 4 obs

● 2008-06-25 23:14:26
● 2017-03-14 08:20:04
○ 2026-02-15 02:07:52
○ 2026-04-13 01:48:26

○NSdns13.fpt.vn2015-06-24 → 2017-03-14 · 5 obs

○ 2008-06-25 23:14:26
● 2015-06-24 03:51:40
● 2017-03-14 08:20:04
○ 2026-02-15 02:07:52
○ 2026-04-13 01:48:26

○NSdns14.fpt.vn2015-06-24 → 2017-03-14 · 5 obs

○ 2008-06-25 23:14:26
● 2015-06-24 03:51:40
● 2017-03-14 08:20:04
○ 2026-02-15 02:07:52
○ 2026-04-13 01:48:26

○NSdns2.hcm.fpt.vn2008-06-25 → 2017-03-14 · 4 obs

● 2008-06-25 23:14:26
● 2017-03-14 08:20:04
○ 2026-02-15 02:07:52
○ 2026-04-13 01:48:26

●NSns1.pavietnam.vn2026-02-15 → 2026-04-13 · 3 obs

○ 2017-03-14 08:20:04
● 2026-02-15 02:07:52
● 2026-04-13 01:48:26

●NSns2.pavietnam.vn2026-02-15 → 2026-04-13 · 3 obs

○ 2017-03-14 08:20:04
● 2026-02-15 02:07:52
● 2026-04-13 01:48:26

●NSnsbak.pavietnam.net2026-02-15 → 2026-04-13 · 3 obs

○ 2017-03-14 08:20:04
● 2026-02-15 02:07:52
● 2026-04-13 01:48:26

○MXmail.bitisgroup.vn2008-06-25 → 2017-03-14 · 4 obs

● 2008-06-25 23:14:26
● 2017-03-14 08:20:04
○ 2026-02-15 02:07:52
○ 2026-04-13 01:48:26

●MXmail25458.maychuemail.com2026-02-15 → 2026-04-13 · 3 obs

○ 2017-03-14 08:20:04
● 2026-02-15 02:07:52
● 2026-04-13 01:48:26

●MXmailex.bitisgroup.vn2026-02-15 → 2026-04-13 · 3 obs

○ 2017-03-14 08:20:04
● 2026-02-15 02:07:52
● 2026-04-13 01:48:26

●MXmx25458.maychuemail.net2026-02-15 → 2026-04-13 · 3 obs

○ 2017-03-14 08:20:04
● 2026-02-15 02:07:52
● 2026-04-13 01:48:26

●A112.109.93.1332026-02-15 → 2026-04-13 · 3 obs

○ 2017-03-14 08:20:04
● 2026-02-15 02:07:52
● 2026-04-13 01:48:26

○A115.78.131.1952015-06-24 → 2017-03-14 · 5 obs

○ 2008-06-25 23:14:26
● 2015-06-24 03:51:40
● 2017-03-14 08:20:04
○ 2026-02-15 02:07:52
○ 2026-04-13 01:48:26

○A210.245.111.2472008-06-25 → 2017-03-14 · 4 obs

● 2008-06-25 23:14:26
● 2017-03-14 08:20:04
○ 2026-02-15 02:07:52
○ 2026-04-13 01:48:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
bitisgroup.vn	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	4 records

✅ Authoritative Response

Server:222.255.121.247

NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bitisgroup.vn (unsigned zone)

⏱️ Timing

Total: 1617ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.109.93.133`
NS	2	`ns1.pavietnam.vn, ns2.pavietnam.vn`
MX	3	`mx25458.maychuemail.net (pri: 0), mailex.bitisgroup.vn (pri: 20)...`
TXT	7	`_4sirzxzfhf5k3rnejo5646lxvpzqdjh, yj05bvm9b3z6kyytnlzf2qb264y20mb2...`
SOA	1	`ns1.pavietnam.vn hostmaster.bitisgroup.v`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)

Analysis

Hierarchy

bitisgroup.vn is parent of mail.bitisgroup.vn and mailex.bitisgroup.vn.

IP Addresses

bitisgroup.vn resolves to a single IP address: 112.109.93.133.

Name Servers

bitisgroup.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

bitisgroup.vn at least partially shares name servers with other domains, including hancorp.vn, vietnamflowerscorp.com, maymocthucpham.net, baohoviet.com.vn and bestsunvn.com.

These name servers are commonly used with the name servers ns1.dotvndns.vnns2.dotvndns.vnnsbak.dotvndns.comns3.dotvndns.vndnsbak.pavietnam.vn and nsbak.pavietnam.vn.

Host names with two IP numbers:

nsbak.pavietnam.net points to: 2406:9c80::9000:302 and 112.213.89.22

ns1.pavietnam.vn points to: 2406:9c80::66 and 112.213.89.3

ns2.pavietnam.vn points to: 2406:9c80::9000:111 and 222.255.121.247

Mail Servers

bitisgroup.vn is handled by three mail servers: mail25458.maychuemail.com, mx25458.maychuemail.net and mailex.bitisgroup.vn.

Host names with one IP number:

mail25458.maychuemail.com points to 103.252.254.58

mx25458.maychuemail.net points to 103.252.254.58

mailex.bitisgroup.vn points to 115.78.131.195

Host names that point to 103.252.254.58: mail25458.maychuemail.com, mx25458.maychuemail.net

bitisgroup.vn - robtex.com

bitisgroup.vn

vn

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`bitisgroup.vn`

`vn`