`mail.netboss.com.tw`

DNSSEC	⚠️ Not signed
A	211.22.170.43^{🇹🇼 HiNet211.22.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
		PTR	`211-22-170-43.hinet-ip.hinet.net`

`netboss.com.tw`

	DNSSEC	⚠️ Not signed
	A	211.22.170.48^{🇹🇼 HiNet211.22.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
	NS	`ns1.netboss.com.tw` ⭐
	NS	`ns2.netboss.com.tw`
	MX	`mail.netboss.com.tw` ⭐
	TXT	`google-site-verification=v0HSVVnNGEsLZ_oRth6J9Etl3cZn3qtoDI8gpjlowPU`
	TXT	`v=spf1 ip4:211.22.170.43 ip4:211.22.170.39 include:_spf.google.com ~all`
	SOA	`ns1.netboss.com.tw`hostmaster@netboss.com.tw 2026-01-20 #2

PTR for

39.170.22.211.in-addr.arpa

Previously NS for

netboss.com.tw

MX for

netboss.com.tw

Same first word

mail.co.jp

mail.be

mail.com.vn

mail.how

mail.in-brb.de

mail.ro

mail.com.hk

mail.neustar

mail.ao

mail.pw

mail.broker

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mail.yahoo

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mail.ps

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mail.gov.ls

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mail.org.br

mail.technology

mail.edu.ru

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mail.coupons

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mail.bike

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mail.gov.bm

mail.com.py

mail.guru

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mail.babyblue.jp

mail.in-berlin.de

mail.no-ip.biz

mail.host

mail.net.ar

mail.management

mail.qld.gov.au

mail.pm

mail.wf

mail.ltd

mail.com.pe

mail.marketing

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mail.fage

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DNS History

3 records (1 active, 2 former)

○A211.22.170.372014-06-04 → 2017-02-13 · 4 obs

● 2014-06-04 08:34:48
● 2017-02-13 10:01:28
○ 2026-02-17 03:00:04
○ 2026-05-11 21:35:44

○A211.22.170.392026-02-17 → 2026-03-06 · 5 obs

○ 2017-02-13 10:01:28
● 2026-02-17 03:00:04
● 2026-03-06 15:09:58
○ 2026-04-07 08:30:10
○ 2026-05-11 21:35:44

●A211.22.170.432026-04-07 → 2026-05-11 · 3 obs

○ 2026-03-06 15:09:58
● 2026-04-07 08:30:10
● 2026-05-11 21:35:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	-
com.tw	f.twnic.net.tw, d.twnic.net.tw, a.twnic.net.tw, c.twnic.net.tw...	17 records
netboss.com.tw	ns1.netboss.com.tw, ns2.netboss.com.tw	2 records

✅ Authoritative Response

Server:211.22.170.39

NS records: ns1.netboss.com.tw, ns2.netboss.com.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1757ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`211.22.170.43`

📌 Glue Records Collected

Total: 19

In-bailiwick: 2 (ns1.netboss.com.tw, ns2.netboss.com.tw)

Out-of-bailiwick: 17 (h.twnic.net.tw, g.twnic.net.tw, f.twnic.net.tw...)

Analysis

Mail Server Role

mail.netboss.com.tw functions as a mail server for netboss.com.tw.

IP Addresses

mail.netboss.com.tw resolves to one IP number: 211.22.170.43.

mail.netboss.com.tw - robtex.com