mail.fjtsb.org - robtex.com

mail.fjtsb.org

DNSSEC⚠️ Not signed
A140.136.223.158🇹🇼 FJU-AS-TW140.136.128.0/17 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.
PTRuser158.catholic.fju.edu.tw
MXmail.fjtsb.org ⭐
A140.136.223.158🇹🇼 FJU-AS-TW140.136.128.0/17 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.
PTRuser158.catholic.fju.edu.tw

fjtsb.org

DNSSEC⚠️ Not signed
A140.136.223.158🇹🇼 FJU-AS-TW140.136.128.0/17 Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.
NSns1.ix1000.com ⭐
NSns2.ix1000.com
NSns3.ix1000.com
NSns4.ix1000.com
MXmail.fjtsb.org ⭐
TXT5181912dd76d3719fcec30dc316d162692c7e9659106d61f602065815903141
TXT9336ac0e144953caba3650976eafa2a7c1a21ac413aab4e3b433a329fc4db9a
SOAns1.ix1000.comhostmaster@fjtsb.org 2013-12-13 #12

MX for

mail.fjtsb.org
fjtsb.org

Same first word

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DNS History

2 records (2 active, 0 former)

MXmail.fjtsb.orgA140.136.223.158
●MXmail.fjtsb.org2026-03-02 → 2026-05-10 · 2 obs
● 2026-03-02 16:59:00
● 2026-05-10 10:47:48
●A140.136.223.1582026-03-02 → 2026-05-10 · 2 obs
● 2026-03-02 16:59:00
● 2026-05-10 10:47:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b0.org.afilias-nst.org, b2.org.afilias-nst.org-
fjtsb.orgns3.ix1000.com, ns4.ix1000.com, ns1.ix1000.com, ns2.ix1000.com-

✅ Authoritative Response

Server:61.56.223.220

NS records: ns3.ix1000.com, ns4.ix1000.com, ns1.ix1000.com, ns2.ix1000.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fjtsb.org (unsigned zone)

⏱️ Timing

Total: 2988ms | Queries: -

📄 Records

TypeCountSample Data
A1140.136.223.158
MX1mail.fjtsb.org (pri: 10)

Analysis

Mail Server Role

mail.fjtsb.org serves as a mail server for mail.fjtsb.org and fjtsb.org.

IP Addresses

mail.fjtsb.org points to a single IP number: 140.136.223.158.

Other host names, for instance www.fjtsb.org, user158.catholic.fju.edu.tw and fjtsb.org share IP numbers with mail.fjtsb.org.

Mail Servers

A single mail server handles mail.fjtsb.org and mail.fjtsb.org.

mail.fjtsb.org uses the same mail server setup as other domains, for example fjtsb.org.

Host name mail.fjtsb.org resolves to IP 140.136.223.158.