function.tw - dns.ninja
function.tw
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.138.189.69🇮🇳 WHG-SGP103.138.189.0/24 | ||||||
| PTR | s11744.sgp1.stableserver.net | ||||||
| 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 | ta29.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 | ta30.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 | mail.function.tw ⭐ | ||||||
| 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 ~all | ||||||
| SOA | ns1.potia.comsales@serverzoo.com 2026-07-20 #3 | ||||||
tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.dns.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.dns.tw | ||||||
| NS | c.dns.tw | ||||||
| NS | d.dns.tw | ||||||
| NS | e.dns.tw | ||||||
| NS | f.dns.tw | ||||||
| NS | g.dns.tw | ||||||
| NS | h.dns.tw | ||||||
| SOA | a.dns.twsnw@twnic.net.tw serial=2011059150 | ||||||
Subdomains
mail.function.tw |
Same first word
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DNS History
6 records (6 active, 0 former)
●MXmail.function.tw2026-08-25 → 2026-08-30 · 2 obs
● 2026-08-30 16:15:38
●A103.138.189.692026-08-25 → 2026-08-30 · 2 obs
● 2026-08-30 16:15:38
🔍 DNS Trace
Analysis
Hierarchy
mail.function.tw is a subdomain of function.tw.
IP Addresses
function.tw directs to one IP number, which is 103.138.189.69.
Among the host names that share IP numbers with function.tw are agapeencounter.org, sportsonebd.com, smartitechnologies.com and two others.
Name Servers
The domain function.tw is delegated to these four name servers: ns1.potia.com, ns2.potia.com, ta29.potia.com and ta30.potia.com.
The name servers of function.tw overlap at least partially with those of other domains — among them fmflex.com.tw, dc200602.com.tw, nhrc.com.tw and two more.
These name servers commonly appear in delegations together with ta85.potia.com, ta86.potia.com, ta5.potia.com and 7 other.
Each of the host names ns1.potia.com, ns2.potia.com, ta29.potia.com and ta30.potia.com has one IP address: ns1.potia.com resolves to 61.221.12.11, ns2.potia.com resolves to 61.221.12.12, ta29.potia.com resolves to 61.221.12.11 and ta30.potia.com resolves to 61.221.12.12.
ns1.potia.com and ta29.potia.com are host names that each point to 61.221.12.11 IP addresses.
ns2.potia.com and ta30.potia.com are host names that each point to 61.221.12.12 IP addresses.
Mail Servers
function.tw routes its mail through a single mail server, mail.function.tw.
mail.function.tw resolves to a single IP number: 61.221.12.12.