santech.dev - dns.ninja

santech.dev

DNSSEC⚠️ Not signed
A103.15.51.217🇻🇳 ODS-AS-VN103.15.51.0/24 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
NSns1.matbao.com
A13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix
PTRec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com
A103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23
NSns2.matbao.com
A35.198.203.127🇸🇬 Google35.198.192.0/20
PTR127.203.198.35.bc.googleusercontent.com
A103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET
MXssl.emailserver.vn
A203.171.31.205🇻🇳 CMC-1203.171.31.0/24 CMCTELECOM-VN
PTRstatic.cmcti.vn
TXTv=spf1 mx include:emailserver.vn -all
SOAns1.matbao.comadmin@matbao.com 2026-05-10 #1

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Subdomains

Same first word

Similar names

DNS History

4 records (4 active, 0 former)

NSns1.matbao.comns2.matbao.comMXssl.emailserver.vnA103.15.51.217
NSns1.matbao.com2026-05-01 → 2026-07-01 · 2 obs
● 2026-05-01 11:07:26
● 2026-07-01 09:32:40
NSns2.matbao.com2026-05-01 → 2026-07-01 · 2 obs
● 2026-05-01 11:07:26
● 2026-07-01 09:32:40
MXssl.emailserver.vn2026-05-01 → 2026-07-01 · 2 obs
● 2026-05-01 11:07:26
● 2026-07-01 09:32:40
A103.15.51.2172026-05-01 → 2026-07-01 · 2 obs
● 2026-05-01 11:07:26
● 2026-07-01 09:32:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
santech.devns2.matbao.com, ns1.matbao.com-

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for santech.dev (unsigned zone)

⏱️ Timing

Total: 969ms | Queries: -

📄 Records

TypeCountSample Data
A1103.15.51.217
NS2ns1.matbao.com, ns2.matbao.com
MX1ssl.emailserver.vn (pri: 10)
TXT1v=spf1 mx include:emailserver.vn -all
SOA1ns1.matbao.com admin.matbao.com

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

Hierarchy

santech.dev serves as the parent of www.santech.dev.

IP Addresses

santech.dev resolves to just one IP address, 103.15.51.217.

Additional host names — including alotraicay.vn and www.santech.dev — share IP numbers with santech.dev.

Name Servers

santech.dev is served by two delegated name servers, ns1.matbao.com and ns2.matbao.com.

santech.dev shares its NS records with other domains, for example ggoalpr.com, strorethailand.click, yennhiland.com and two others.

santech.dev has at least partial name server overlap with other domains, such as hansollvina.com, duonglaohanoi.com, madamkeo.com and two others.

ns1.matbao.vn, ns2.matbao.vn and ns-bak.matbao.com — plus 6 other name servers — are commonly paired with these name servers.

Each of the two host names carries two IP addresses: ns1.matbao.com points to 13.250.228.99 and 103.110.128.60, and ns2.matbao.com points to 35.198.203.127 and 103.138.89.11.

Mail Servers

The sole mail server for santech.dev is ssl.emailserver.vn.

Among the domains sharing a mail server setup with santech.dev are kinghr.io, dakhoavinhphuc.com, gsafe.vn and two others.

The mail servers of santech.dev are at least partially shared with other domains, including tecwood.com.vn.

There is one IP number for ssl.emailserver.vn: 203.171.31.205.