`ctiot.com.tw`

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	`ta175.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	`ta176.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	`ctiot.com.tw` ⭐
		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 ~all`
SOA	`ns1.potia.com`sales@serverzoo.com 2026-04-09 #0

`com.tw`

	DNSSEC	⚠️ Not signed
	NS	`a.twnic.net.tw` ⭐ ⚠️ Not in parent delegation
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`c.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`d.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`e.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`f.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`g.twnic.net.tw` ⚠️ Not in parent delegation
	NS	`h.dns.tw` ⚠️ Not in parent delegation
	NS	`h.twnic.net.tw` ⚠️ Not in parent delegation
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006344841

WOT: SAFE (58/100)

MX for

ctiot.com.tw

Same first word

ctiot.com.tw

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DNS History

7 records (7 active, 0 former)

●NSns1.potia.com2026-04-15 → 2026-04-23 · 2 obs

● 2026-04-15 15:05:52
● 2026-04-23 22:16:50

●NSns2.potia.com2026-04-15 → 2026-04-23 · 2 obs

● 2026-04-15 15:05:52
● 2026-04-23 22:16:50

●NSta175.potia.com2026-04-15 → 2026-04-23 · 2 obs

● 2026-04-15 15:05:52
● 2026-04-23 22:16:50

●NSta176.potia.com2026-04-15 → 2026-04-23 · 2 obs

● 2026-04-15 15:05:52
● 2026-04-23 22:16:50

●MXctiot.com.tw2026-04-15 → 2026-04-23 · 2 obs

● 2026-04-15 15:05:52
● 2026-04-23 22:16:50

●A2001:b031:8006:ff34::22026-04-15 → 2026-04-23 · 2 obs

● 2026-04-15 15:05:52
● 2026-04-23 22:16:50

●A61.221.12.122026-04-15 → 2026-04-23 · 2 obs

● 2026-04-15 15:05:52
● 2026-04-23 22:16:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	-
ctiot.com.tw	ta176.potia.com, ta175.potia.com	-

✅ Authoritative Response

Server:61.221.12.12

NS records: ta176.potia.com, ta175.potia.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctiot.com.tw (unsigned zone)

⏱️ Timing

Total: 1429ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`61.221.12.12`
AAAA	1	`2001:b031:8006:ff34::2`
NS	2	`ns2.potia.com, ns1.potia.com`
MX	1	`ctiot.com.tw (pri: 0)`
TXT	1	`v=spf1 ip4:61.221.12.11 +a +mx ~all`
SOA	1	`ns1.potia.com sales.serverzoo.com`