`thichdocsach.org`

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}
TXT	`google-site-verification=Ehejpq9C87VqSuC2jq9Brr0RTg8VR4wMemCwyHydQbI`
SOA	`ns1.matbao.com`admin@matbao.com 2023-09-27 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐
	NS	`a2.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info`
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774648641

WOT: UNKNOWN (19/100)

Same first word

thichdocsach.org

thichdocsach.net

DNS History

12 records (2 active, 10 former)

○NSns1.digitalocean.com2015-11-12 → 2017-06-06 · 5 obs

○ 2015-07-10 13:13:36
● 2015-11-12 20:34:10
● 2017-06-06 11:47:58
○ 2026-03-16 23:53:54
○ 2026-03-27 22:26:02

○NSns1.hostinger.vn2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:13:36
○ 2015-11-12 20:34:10
○ 2026-03-27 22:26:02

●NSns1.matbao.com2026-03-16 → 2026-03-27 · 3 obs

○ 2017-06-06 11:47:58
● 2026-03-16 23:53:54
● 2026-03-27 22:26:02

○NSns2.digitalocean.com2015-11-12 → 2017-06-06 · 5 obs

○ 2015-07-10 13:13:36
● 2015-11-12 20:34:10
● 2017-06-06 11:47:58
○ 2026-03-16 23:53:54
○ 2026-03-27 22:26:02

○NSns2.hostinger.vn2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:13:36
○ 2015-11-12 20:34:10
○ 2026-03-27 22:26:02

●NSns2.matbao.com2026-03-16 → 2026-03-27 · 3 obs

○ 2017-06-06 11:47:58
● 2026-03-16 23:53:54
● 2026-03-27 22:26:02

○NSns3.digitalocean.com2015-11-12 → 2017-06-06 · 5 obs

○ 2015-07-10 13:13:36
● 2015-11-12 20:34:10
● 2017-06-06 11:47:58
○ 2026-03-16 23:53:54
○ 2026-03-27 22:26:02

○NSns3.hostinger.vn2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:13:36
○ 2015-11-12 20:34:10
○ 2026-03-27 22:26:02

○NSns4.hostinger.vn2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:13:36
○ 2015-11-12 20:34:10
○ 2026-03-27 22:26:02

○MXmx1.hostinger.vn2015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:13:36
○ 2015-11-12 20:34:10
○ 2026-03-27 22:26:02

○A128.199.250.292015-11-12 → 2017-06-06 · 5 obs

○ 2015-07-10 13:13:36
● 2015-11-12 20:34:10
● 2017-06-06 11:47:58
○ 2026-03-16 23:53:54
○ 2026-03-27 22:26:02

○A31.220.16.2072015-07-10 → 2015-07-10 · 3 obs

● 2015-07-10 13:13:36
○ 2015-11-12 20:34:10
○ 2026-03-27 22:26:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
thichdocsach.org	ns1.matbao.com, ns2.matbao.com	-

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thichdocsach.org (unsigned zone)

⏱️ Timing

Total: 774ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.matbao.com, ns2.matbao.com`
TXT	1	`google-site-verification=Ehejpq9C87VqSuC`
SOA	1	`ns1.matbao.com admin.matbao.com`

Analysis

Name Servers

thichdocsach.org's delegation uses two name servers, ns1.matbao.com and ns2.matbao.com.

thichdocsach.org shares the same name server setup as other domains, for example nhianh.com, trongtanvn.vn, viglacera-aac.com, chothuoctay.com and icdvn.com.

thichdocsach.org at least partially shares name servers with other domains, including freedive.vn, fast247.vn, seatax.com.vn, nhathom.vn and benhvienungbuouhungviet.vn.

These name servers are commonly used with ns1.matbao.vn and ns2.matbao.vn.

Host names with two IPs:

ns1.matbao.com points to: 13.250.228.99 and 103.110.128.60

ns2.matbao.com points to: 35.198.203.127 and 103.138.89.11

thichdocsach.org - robtex.com