`sdb2b.com`

DNSSEC	⚠️ Not signed
NS	`ns1.matbao.com` ⭐
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns2.matbao.com`
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
SOA	`ns1.matbao.com`admin@matbao.com 2026-03-06 #1

`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=1777062486

Same first word

sdb2b.com

sdb2b.cn

sdb2b.net

Similar names

dsb2b.com

b2bsd.com

2sbdb.kr

DNS History

17 records (2 active, 15 former)

●NSns1.matbao.com2026-04-09 → 2026-04-24 · 3 obs

○ 2020-01-27 09:58:04
● 2026-04-09 06:10:00
● 2026-04-24 20:58:14

○NSns1.namebrightdns.com2015-11-23 → 2017-03-24 · 6 obs

● 2015-11-23 03:11:28
○ 2016-03-03 08:17:44
● 2016-07-07 15:50:06
● 2017-03-24 01:43:46
○ 2020-01-27 09:58:04
○ 2026-04-24 20:58:14

●NSns2.matbao.com2026-04-09 → 2026-04-24 · 3 obs

○ 2020-01-27 09:58:04
● 2026-04-09 06:10:00
● 2026-04-24 20:58:14

○NSns2.namebrightdns.com2015-11-23 → 2017-03-24 · 6 obs

● 2015-11-23 03:11:28
○ 2016-03-03 08:17:44
● 2016-07-07 15:50:06
● 2017-03-24 01:43:46
○ 2020-01-27 09:58:04
○ 2026-04-24 20:58:14

○NSnsg1.namebrightdns.com2016-03-03 → 2020-01-27 · 7 obs

○ 2015-11-23 03:11:28
● 2016-03-03 08:17:44
○ 2016-07-07 15:50:06
○ 2017-03-24 01:43:46
● 2020-01-27 09:58:04
○ 2026-04-09 06:10:00
○ 2026-04-24 20:58:14

○NSnsg2.namebrightdns.com2016-03-03 → 2020-01-27 · 7 obs

○ 2015-11-23 03:11:28
● 2016-03-03 08:17:44
○ 2016-07-07 15:50:06
○ 2017-03-24 01:43:46
● 2020-01-27 09:58:04
○ 2026-04-09 06:10:00
○ 2026-04-24 20:58:14

○A107.23.198.2402016-07-07 → 2016-07-07 · 4 obs

○ 2016-03-03 08:17:44
● 2016-07-07 15:50:06
○ 2017-03-24 01:43:46
○ 2026-04-24 20:58:14

○A52.0.96.242016-03-03 → 2016-03-03 · 4 obs

○ 2015-11-23 03:11:28
● 2016-03-03 08:17:44
○ 2016-07-07 15:50:06
○ 2026-04-24 20:58:14

○A52.204.129.222017-03-24 → 2017-03-24 · 4 obs

○ 2016-07-07 15:50:06
● 2017-03-24 01:43:46
○ 2020-01-27 09:58:04
○ 2026-04-24 20:58:14

○A52.4.72.1372016-07-07 → 2016-07-07 · 4 obs

○ 2016-03-03 08:17:44
● 2016-07-07 15:50:06
○ 2017-03-24 01:43:46
○ 2026-04-24 20:58:14

○A52.71.117.992016-03-03 → 2016-03-03 · 4 obs

○ 2015-11-23 03:11:28
● 2016-03-03 08:17:44
○ 2016-07-07 15:50:06
○ 2026-04-24 20:58:14

○A54.174.31.2542015-11-23 → 2015-11-23 · 3 obs

● 2015-11-23 03:11:28
○ 2016-03-03 08:17:44
○ 2026-04-24 20:58:14

○A54.208.74.2152015-11-23 → 2015-11-23 · 3 obs

● 2015-11-23 03:11:28
○ 2016-03-03 08:17:44
○ 2026-04-24 20:58:14

○A54.85.127.702017-03-24 → 2017-03-24 · 4 obs

○ 2016-07-07 15:50:06
● 2017-03-24 01:43:46
○ 2020-01-27 09:58:04
○ 2026-04-24 20:58:14

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-11-23 → 2016-07-07 · 4 obs

● 2015-11-23 03:11:28
● 2016-07-07 15:50:06
○ 2017-03-24 01:43:46
○ 2026-04-24 20:58:14

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-24 → 2017-03-24 · 4 obs

○ 2016-07-07 15:50:06
● 2017-03-24 01:43:46
○ 2020-01-27 09:58:04
○ 2026-04-24 20:58:14

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-01-27 → 2020-01-27 · 4 obs

○ 2017-03-24 01:43:46
● 2020-01-27 09:58:04
○ 2026-04-09 06:10:00
○ 2026-04-24 20:58:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sdb2b.com	ns1.matbao.com, ns2.matbao.com	4 records

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sdb2b.com (unsigned zone)

⏱️ Timing

Total: 839ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.matbao.com, ns2.matbao.com`
SOA	1	`ns1.matbao.com admin.matbao.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.matbao.com, ns1.matbao.com, ns2.matbao.com...)

Analysis

Name Servers

sdb2b.com is delegated to two name servers: ns1.matbao.com and ns2.matbao.com.

sdb2b.com uses the same name server setup as other domains, for instance quangbinhxanh.com, freemindvn.com, matxich.com, ficn.net and serviervn.com.

sdb2b.com shares name servers with other domains at least partially, for instance anpr.com.vn, menhealth.vn, webseoviet.com, dambao.vn and hiepphuoc.com.

These name servers are commonly used with ns1.matbao.vn, ns2.matbao.vn, ns3.matbao.com and ns4.matbao.com.

Host names with two IP numbers:

The host ns1.matbao.com points to 13.250.228.99 and 103.110.128.60.

The host ns2.matbao.com points to 35.198.203.127 and 103.138.89.11.

sdb2b.com - robtex.com

sdb2b.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`sdb2b.com`

`com`