jhancyun.com - robtex.com
jhancyun.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:b031:8006:ff34::2🇹🇼 HiNet2001:b031:8000::/36 | ||||||
| PTR | 2001-b031-8006-ff34-0000-0000-0000-0002.hinet-ip6.hinet.net | ||||||
| A | 61.221.12.12🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| NS | ns1.potia.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 61.221.12.11🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | bear.potia.net | ||||||
| NS | ns2.potia.com ⚠️ Not in parent delegation | ||||||
| A | 61.221.12.12🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | ns12.potia.com | ||||||
| NS | ta5.potia.com ⚠️ Not in zone NS records | ||||||
| A | 61.221.12.11🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | bear.potia.net | ||||||
| NS | ta6.potia.com ⚠️ Not in zone NS records | ||||||
| A | 61.221.12.12🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | ns12.potia.com | ||||||
| MX | jhancyun.com ⭐ | ||||||
| A | 2001:b031:8006:ff34::2🇹🇼 HiNet2001:b031:8000::/36 | ||||||
| PTR | 2001-b031-8006-ff34-0000-0000-0000-0002.hinet-ip6.hinet.net | ||||||
| A | 61.221.12.12🇹🇼 HiNet61.221.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | ns12.potia.com | ||||||
| TXT | v=spf1 ip4:61.221.12.11 +a +mx +ip4:61.221.12.27 +ip4:61.221.12.39 ~all | ||||||
| SOA | ns1.potia.comsales@serverzoo.com 2026-04-09 #0 | ||||||
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=1776966721 | ||||||
MX for
jhancyun.com |
Same first word
jhancyun.com |
DNS History
11 records (7 active, 4 former)
●NSns1.potia.com2026-03-28 → 2026-04-23 · 3 obs
● 2026-03-28 22:16:00
● 2026-04-23 17:59:54
●NSns2.potia.com2026-03-28 → 2026-04-23 · 3 obs
● 2026-03-28 22:16:00
● 2026-04-23 17:59:54
○NSta39.potia.com2016-12-30 → 2019-04-13 · 5 obs
● 2016-12-30 16:41:44
● 2019-04-13 07:25:38
○ 2026-03-28 22:16:00
○ 2026-04-23 17:59:54
○NSta40.potia.com2016-12-30 → 2019-04-13 · 5 obs
● 2016-12-30 16:41:44
● 2019-04-13 07:25:38
○ 2026-03-28 22:16:00
○ 2026-04-23 17:59:54
●NSta5.potia.com2015-06-14 → 2026-04-23 · 6 obs
● 2016-04-25 07:03:00
○ 2016-12-30 16:41:44
○ 2019-04-13 07:25:38
● 2026-03-28 22:16:00
● 2026-04-23 17:59:54
●NSta6.potia.com2015-06-14 → 2026-04-23 · 6 obs
● 2016-04-25 07:03:00
○ 2016-12-30 16:41:44
○ 2019-04-13 07:25:38
● 2026-03-28 22:16:00
● 2026-04-23 17:59:54
●MXjhancyun.com2015-06-14 → 2026-04-23 · 2 obs
● 2026-04-23 17:59:54
●A2001:b031:8006:ff34::22026-03-28 → 2026-04-23 · 3 obs
● 2026-03-28 22:16:00
● 2026-04-23 17:59:54
○A60.249.54.2222015-06-14 → 2016-04-25 · 4 obs
● 2016-04-25 07:03:00
○ 2016-12-30 16:41:44
○ 2026-04-23 17:59:54
●A61.221.12.122026-03-28 → 2026-04-23 · 3 obs
● 2026-03-28 22:16:00
● 2026-04-23 17:59:54
○A61.221.12.262016-12-30 → 2019-04-13 · 5 obs
● 2016-12-30 16:41:44
● 2019-04-13 07:25:38
○ 2026-03-28 22:16:00
○ 2026-04-23 17:59:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jhancyun.com | ta5.potia.com, ta6.potia.com | 2 records |
✅ Authoritative Response
Server:61.221.12.12
NS records: ta5.potia.com, ta6.potia.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jhancyun.com (unsigned zone)
⏱️ Timing
Total: 475ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 61.221.12.12 |
| AAAA | 1 | 2001:b031:8006:ff34::2 |
| NS | 2 | ns1.potia.com, ns2.potia.com |
| MX | 1 | jhancyun.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:61.221.12.11 +a +mx +ip4:61.2 |
| SOA | 1 | ns1.potia.com sales.serverzoo.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ta5.potia.com, ta6.potia.com)
Analysis
Mail Server Role
jhancyun.com serves as the mail server for jhancyun.com.
IP Addresses
jhancyun.com points to two IP numbers: 2001:b031:8006:ff34::2 and 61.221.12.12.
Other host names such as mail.darphia.com, fzhair.com.tw, warpcapitaltw.com, twdek.com and dequanofficenew.com share IP numbers with jhancyun.com.
Name Servers
jhancyun.com is delegated to four name servers: ns1.potia.com, ns2.potia.com, ta5.potia.com and ta6.potia.com.
At least part of the name servers for jhancyun.com are shared with other domains, for instance taichung-clinic.org.tw, rentong.com.tw, vajra.tw, lucys.com.tw and calvinteng.com.
these name servers are commonly used with the name servers ta85.potia.com, ta86.potia.com, ta137.potia.com, ta138.potia.com, ta29.potia.com, ta30.potia.com, ta15.potia.com, ta16.potia.com, ta19.potia.com and ta20.potia.com.
Host names with a single IP address
The host name ns1.potia.com points to 61.221.12.11.
The host name ns2.potia.com points to 61.221.12.12.
The host name ta5.potia.com points to 61.221.12.11.
The host name ta6.potia.com points to 61.221.12.12.
Host names pointing to 61.221.12.11: ns1.potia.com and ta5.potia.com.
Host names pointing to 61.221.12.12: ns2.potia.com and ta6.potia.com.
Mail Servers
Mail for jhancyun.com is handled by a single mail server, jhancyun.com.
Hostname jhancyun.com resolves to two IPs: 2001:b031:8006:ff34::2 and 61.221.12.12.