1jsy.com - robtex.com
1jsy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 220.228.131.168🇹🇼 NCIC-TW220.228.131.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | ll-220-228-131-168.ll.sparqnet.net | ||||||
| NS | dns1.f1.com.tw ⭐ ⚠️ Not in parent delegation | ||||||
| A | 218.32.213.234🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp234.f1.com.tw | ||||||
| NS | dns2.f1.com.tw ⚠️ Not in parent delegation | ||||||
| A | 220.228.6.17🇹🇼 NCIC-TW220.228.0.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| NS | ns1.icstock.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.213.228🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp228.f1.com.tw | ||||||
| NS | ns2.icstock.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.210.72🇹🇼 NCIC-TW218.32.210.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp72.f1.com.tw | ||||||
| NS | sp234.f1.com.tw ⚠️ Not in zone NS records | ||||||
| A | 218.32.213.234🇹🇼 NCIC-TW218.32.192.0/19 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | sp234.f1.com.tw | ||||||
| MX | 1jsy.com ⭐ | ||||||
| A | 220.228.131.168🇹🇼 NCIC-TW220.228.131.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | ll-220-228-131-168.ll.sparqnet.net | ||||||
| MX | www.1jsy.com(14) | ||||||
| A | 220.228.131.168🇹🇼 NCIC-TW220.228.131.0/24 New Century InfoComm Tech Co., Ltd. | ||||||
| PTR | ll-220-228-131-168.ll.sparqnet.net | ||||||
| SOA | dns1.f1.com.twohgo@ms23.hinet.net 2000-11-01 #8 | ||||||
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.netnstld@verisign-grs.com serial=1774400362 | ||||||
MX for
1jsy.com |
Same first word
1jsy.com |
Similar names
DNS History
19 records (8 active, 11 former)
●NSdns1.f1.com.tw2026-03-03 → 2026-03-25 · 3 obs
● 2026-03-03 04:04:56
● 2026-03-25 01:19:28
●NSdns2.f1.com.tw2026-03-03 → 2026-03-25 · 3 obs
● 2026-03-03 04:04:56
● 2026-03-25 01:19:28
○NSf1g1ns1.dnspod.net2015-08-09 → 2015-08-09 · 3 obs
○ 2015-11-29 02:59:16
○ 2026-03-25 01:19:28
○NSf1g1ns2.dnspod.net2015-08-09 → 2015-08-09 · 3 obs
○ 2015-11-29 02:59:16
○ 2026-03-25 01:19:28
○NSn3193.ns.yunjiasu.com2015-11-29 → 2016-09-15 · 5 obs
● 2015-11-29 02:59:16
● 2016-09-15 17:43:20
○ 2017-05-21 14:28:00
○ 2026-03-25 01:19:28
○NSn676.ns.yunjiasu.com2015-11-29 → 2016-09-15 · 5 obs
● 2015-11-29 02:59:16
● 2016-09-15 17:43:20
○ 2017-05-21 14:28:00
○ 2026-03-25 01:19:28
○NSns1.cloudcdns.com2017-05-21 → 2017-05-21 · 4 obs
● 2017-05-21 14:28:00
○ 2026-03-03 04:04:56
○ 2026-03-25 01:19:28
●NSns1.icstock.com.tw2026-03-03 → 2026-03-25 · 3 obs
● 2026-03-03 04:04:56
● 2026-03-25 01:19:28
○NSns2.cloudcdns.com2017-05-21 → 2017-05-21 · 4 obs
● 2017-05-21 14:28:00
○ 2026-03-03 04:04:56
○ 2026-03-25 01:19:28
●NSns2.icstock.com.tw2026-03-03 → 2026-03-25 · 3 obs
● 2026-03-03 04:04:56
● 2026-03-25 01:19:28
●NSsp234.f1.com.tw2026-03-03 → 2026-03-25 · 3 obs
● 2026-03-03 04:04:56
● 2026-03-25 01:19:28
●MX1jsy.com2026-03-03 → 2026-03-25 · 2 obs
● 2026-03-25 01:19:28
●MXwww.1jsy.com2026-03-03 → 2026-03-25 · 2 obs
● 2026-03-25 01:19:28
○A162.159.208.622015-11-29 → 2016-03-06 · 5 obs
● 2015-11-29 02:59:16
● 2016-03-06 07:26:40
○ 2016-09-15 17:43:20
○ 2026-03-25 01:19:28
○A162.159.209.622015-11-29 → 2016-03-06 · 5 obs
● 2015-11-29 02:59:16
● 2016-03-06 07:26:40
○ 2016-09-15 17:43:20
○ 2026-03-25 01:19:28
○A183.131.214.802017-05-21 → 2017-05-21 · 4 obs
● 2017-05-21 14:28:00
○ 2026-03-03 04:04:56
○ 2026-03-25 01:19:28
●A220.228.131.1682026-03-03 → 2026-03-25 · 3 obs
● 2026-03-03 04:04:56
● 2026-03-25 01:19:28
○A42.51.8.142015-08-09 → 2016-09-15 · 6 obs
○ 2015-11-29 02:59:16
○ 2016-03-06 07:26:40
● 2016-09-15 17:43:20
○ 2017-05-21 14:28:00
○ 2026-03-25 01:19:28
○A59.56.19.702017-05-21 → 2017-05-21 · 4 obs
● 2017-05-21 14:28:00
○ 2026-03-03 04:04:56
○ 2026-03-25 01:19:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| 1jsy.com | ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw | - |
✅ Authoritative Response
Server:218.32.213.228
NS records: ns1.icstock.com.tw, ns2.icstock.com.tw, sp234.f1.com.tw
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 1jsy.com (unsigned zone)
⏱️ Timing
Total: 2210ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 220.228.131.168 |
| NS | 2 | dns2.f1.com.tw, dns1.f1.com.tw |
| MX | 2 | www.1jsy.com (pri: 14), 1jsy.com (pri: 10) |
| SOA | 1 | dns1.f1.com.tw ohgo.ms23.hinet.net |
Analysis
Mail Server Role
1jsy.com serves as the mail server for 1jsy.com.
www.1jsy.com is commonly used as a mail server in conjunction with 1jsy.com.
IP Addresses
1jsy.com points to a single IP number: 220.228.131.168.
Other host names, for instance e7g5.com, show99a.com, www.1g8s.com, mx1.e4er.com and mail.e4er.com share IP numbers with 1jsy.com.
Name Servers
1jsy.com is delegated to five name servers: dns1.f1.com.tw, dns2.f1.com.tw, sp234.f1.com.tw, ns1.icstock.com.tw and ns2.icstock.com.tw.
1jsy.com shares name servers with other domains at least partially, for instance p354.com, king645.com, miss-176.com, (0x736578)y884.com and cute424.com.
these name servers are often used with ns1.oknet.tw, ns2.oknet.tw and sf243.f1.com.tw.
Host names with one IP:
dns1.f1.com.tw points to 218.32.213.234.
dns2.f1.com.tw points to 220.228.6.17.
sp234.f1.com.tw points to 218.32.213.234.
ns1.icstock.com.tw points to 218.32.213.228.
ns2.icstock.com.tw points to 218.32.210.72.
Host names pointing to 218.32.213.234: dns1.f1.com.tw and sp234.f1.com.tw.
Mail Servers
Two mail servers handle 1jsy.com: 1jsy.com and www.1jsy.com.
Host names with a single IP number:
1jsy.com points to 220.228.131.168.
www.1jsy.com points to 220.228.131.168.
Host names pointing to 220.228.131.168: 1jsy.com and www.1jsy.com.