sch.ac.th - robtex.com
sch.ac.th
ac.th
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.thains.co.th ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.thains.co.th ⚠️ Not in parent delegation | ||||||
| NS | c.thains.co.th ⚠️ Not in parent delegation | ||||||
| NS | nn1.thains.co.th ⚠️ Not in parent delegation | ||||||
| NS | ns.thnic.net ⚠️ Not in parent delegation | ||||||
| NS | p.thains.co.th ⚠️ Not in parent delegation | ||||||
| SOA | a.thains.co.thregistry@thains.co.th serial=1260510115 | ||||||
WOT: SAFE (98/100)
Subdomains
Same first word
Similar names
DNS History
14 records (11 active, 3 former)
●NSns1.sch.ac.th2026-04-29 → 2026-05-10 · 3 obs
● 2026-04-29 18:07:52
● 2026-05-10 12:42:08
●NSns2.sch.ac.th2026-04-29 → 2026-05-10 · 3 obs
● 2026-04-29 18:07:52
● 2026-05-10 12:42:08
○NSns7.domainxhosting.com2015-07-21 → 2016-12-19 · 4 obs
● 2016-12-19 07:15:40
○ 2026-04-29 18:07:52
○ 2026-05-10 12:42:08
○NSns8.domainxhosting.com2015-07-21 → 2016-12-19 · 4 obs
● 2016-12-19 07:15:40
○ 2026-04-29 18:07:52
○ 2026-05-10 12:42:08
●NSth129.hostatom.com2026-04-29 → 2026-05-10 · 3 obs
● 2026-04-29 18:07:52
● 2026-05-10 12:42:08
●NSth130.hostatom.com2026-04-29 → 2026-05-10 · 3 obs
● 2026-04-29 18:07:52
● 2026-05-10 12:42:08
●MXalt1.aspmx.l.google.com2015-07-21 → 2026-05-10 · 2 obs
● 2026-05-10 12:42:08
●MXalt2.aspmx.l.google.com2015-07-21 → 2026-05-10 · 2 obs
● 2026-05-10 12:42:08
●MXalt3.aspmx.l.google.com2015-07-21 → 2026-05-10 · 2 obs
● 2026-05-10 12:42:08
●MXalt4.aspmx.l.google.com2015-07-21 → 2026-05-10 · 2 obs
● 2026-05-10 12:42:08
●MXaspmx.l.google.com2015-07-21 → 2026-05-10 · 2 obs
● 2026-05-10 12:42:08
●MXmail.sch.ac.th2026-04-29 → 2026-05-10 · 3 obs
● 2026-04-29 18:07:52
● 2026-05-10 12:42:08
○A103.233.192.2042015-07-21 → 2016-12-19 · 4 obs
● 2016-12-19 07:15:40
○ 2026-04-29 18:07:52
○ 2026-05-10 12:42:08
●A203.146.252.1392026-04-29 → 2026-05-10 · 3 obs
● 2026-04-29 18:07:52
● 2026-05-10 12:42:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| th | b.thains.co.th, p.thains.co.th, a.thains.co.th, nn1.thains.co.th... | - |
| sch.ac.th | th129.hostatom.com, th130.hostatom.com | - |
✅ Authoritative Response
Server:141.94.180.245
NS records: th129.hostatom.com, th130.hostatom.com
🔒 DNSSEC Status
❌ Bogus (DNSSEC validation failed)
Validation error at th: Error: DNS query timeout: 203.159.64.64 for DNSKEY th
⏱️ Timing
Total: 4141ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.146.252.139 |
| NS | 2 | ns1.sch.ac.th, ns2.sch.ac.th |
| MX | 6 | aspmx.l.google.com (pri: 0), mail.sch.ac.th (pri: 10)... |
| TXT | 1 | v=spf1 +a +mx +a:thsv65.hostatom.com -al |
| SOA | 1 | ns1.sch.ac.th postmaster.sch.ac.th |
Analysis
Hierarchy
sch.ac.th is a parent of mail.sch.ac.th, ns1.sch.ac.th, ns2.sch.ac.th and www.sch.ac.th.
IP Addresses
sch.ac.th points to a single IP number: 203.146.252.139.
other host names for instance yushifandb.co.th, thongdang.com, ns2.millionsstar.com, ns2.hwk.ac.th and _dc-mx.af8bcfe3ff1d.yushirental.com share IP numbers with sch.ac.th.
Name Servers
sch.ac.th is delegated to four name servers: th129.hostatom.com, th130.hostatom.com, ns1.sch.ac.th and ns2.sch.ac.th.
sch.ac.th at least partially shares name servers with other domains, for instance saha-sons.com, nam.co.th, abdbwatthachang.ac.th, innoadvs.com and saonongkan101.go.th.
These name servers are often used together with the name servers ns1.saha-sons.com, ns2.saha-sons.com, ns1.nam.co.th, ns2.nam.co.th, ns1.abdbwatthachang.ac.th, ns2.abdbwatthachang.ac.th, ns1.innoadvs.com, ns2.innoadvs.com, ns1.saonongkan101.go.th and ns2.saonongkan101.go.th.
Host names with a single IP:
th129.hostatom.com points to: 203.146.252.139.
th130.hostatom.com points to: 141.94.180.245.
ns1.sch.ac.th points to: 203.146.252.139.
ns2.sch.ac.th points to: 203.146.252.139.
Host names pointing to 203.146.252.139: th129.hostatom.com, ns1.sch.ac.th and ns2.sch.ac.th.
Mail Servers
sch.ac.th is handled by six mail servers: aspmx.l.google.com, mail.sch.ac.th, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
sch.ac.th shares mail servers with other domains at least partially, including compactmembrane.com, apachepizza.co.uk, cloudgdrive.com, ns500754.ns500671.ns500754.ns500705.ns500705.ns500688.ns500678.ns500688.ns500705.ns500671.ns500291.ns500666.ns500291.ns500131.lustychickser.com and ns500768.ns500758.ns500759.ns500735.ns500735.ns500698.ns500735.ns500735.ns500698.ns500698.ns500576.ns500698.ns500576.ns500652.ns500652.ns500619.trackreceptor.com.
these mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.
Host names with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c23::1b and 192.178.155.27
alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26
alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.27
alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.27
Host names with one IP number:
mail.sch.ac.th points to 203.146.252.139