`vtac.com.tw`

DNSSEC	⚠️ Not signed
NS	`ns11.twnic.net.tw` ⭐
		A	2001:cd8:800::198^{🇹🇼 Seednet2001:cd8::/32 SeedNet/NCIC route object}
		A	2404:0:10a0::3852^{🇹🇼 EBT2404:0:1000::/40 Asia Pacific Telecom IPv6}
NS	`ns12.twnic.net.tw`
		A	60.199.218.234^{🇹🇼 TFN-NET60.199.218.0/24 Taiwan Fixed Network}
			PTR	`ns12.twnic.net.tw`
		A	104.199.237.109^{🇹🇼 Google104.199.224.0/20}
			PTR	`109.237.199.104.bc.googleusercontent.com`
		A	211.20.231.13^{🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.}
			PTR	`211-20-231-13.hinet-ip.hinet.net`
MX	`vtac-com-tw.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc09::^{🇸🇬 Microsoft2a01:111:f000::/36}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1a::8^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-tydpr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:cc1f::4^{🇯🇵 Microsoft2a01:111:f000::/36}
			PTR	`mail-os8pr02cu00104.inbound.protection.outlook.com`
		A	52.101.124.117^{🇯🇵 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-tydpr03cu00105.inbound.protection.outlook.com`
		A	52.101.137.0^{🇸🇬 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sg2pr03cu00500.inbound.protection.outlook.com`
		A	52.101.157.80^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-os8pr02cu00100.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns11.twnic.net.tw`tech@twnic.net.tw serial=1785643975

`com.tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.twnic.net.tw` ⭐
	NS	`anytld.apnic.net`
	NS	`b.twnic.net.tw`
	NS	`c.twnic.net.tw`
	NS	`d.twnic.net.tw`
	NS	`e.twnic.net.tw`
	NS	`f.twnic.net.tw`
	NS	`g.twnic.net.tw`
	NS	`h.dns.tw`
	NS	`h.twnic.net.tw`
	SOA	`a.twnic.net.tw`snw@twnic.net.tw serial=2006388194

WOT: SAFE (58/100)

Subdomains

www.vtac.com.tw

Same first word

vtac.it

vtac.hu

vtac.ru

vtac.ro

vtac.ee

vtac.de

vtac.digital

vtac.ch

vtac.be

vtac.fr

vtac.co.uk

vtac.biz

vtac.net.au

vtac.eu

vtac.cn

vtac.com.tw

vtac.org

vtac.org.au

vtac.ca

vtac.us

vtac.edu.au

vtac.es

vtac.com

vtac.by

Similar names

catv.com.cn

tvca.org

tvca.or.th

actv.pt

atcv.de

catv.or.jp

tvac.com

vcat.info

vcat.vic.gov.au

ctav.ru

vcat.ru

tvca.us

catv.org

vact.nl

vcta.asn.au

catv.online

tvac.org

ctav.eu

catv.bid

actv.be

vact.net

catv.co.uk

atvc.ru

cvta.ca

vcta.dk

vatc.edu.vn

catv.at

tvac.co

actv.live

vcta.ca

vtca.de

vcat.top

actv.cn

cvat.dev

tavc.org

cvta.org

actv.ru

avct.com.br

vtca.edu.vn

actv.com

tavc.de

vtca.org

actv.de

vact.org

vcat.pl

catv.lu

actv.at

avct.vn

catv.com.tw

vcat.us

atvc.com

avct.com

vcat.hu

cvat.com.au

vatc.ru

ctav.nl

tcva.com.au

ctva.org.tw

vcat.tv

tvac.de

tavc.cn

vcta.net

atcv.org.au

vact.com.au

actv.solutions

ctav.co.za

catv.cc

cvat.ai

atcv.ch

actv.la

tvac.ru

catv.se

acvt.com

catv.pl

tvac.or.jp

acvt.info

tavc.com.tw

vact.ca

atcv.fr

catv.vip

cvta.net

vcat.de

tcav.org.au

tcva.jp

ctav.dk

vact.me

tavc.com

cvta.be

avct.com.au

avtc.cz

catv.es

DNS History

3 records (3 active, 0 former)

●NSns11.twnic.net.tw2015-05-19 → 2026-08-03 · 2 obs

● 2015-05-19 18:39:32
● 2026-08-03 02:16:00

●NSns12.twnic.net.tw2015-05-19 → 2026-08-03 · 2 obs

● 2015-05-19 18:39:32
● 2026-08-03 02:16:00

●MXvtac-com-tw.mail.protection.outlook.com2015-05-19 → 2026-08-03 · 5 obs

● 2015-05-19 18:39:32
● 2026-05-13 15:22:58
○ 2026-08-02 22:29:06
● 2026-08-03 02:15:56
● 2026-08-03 02:16:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com.tw	anytld.apnic.net, f.twnic.net.tw, b.twnic.net.tw, g.twnic.net.tw...	-
vtac.com.tw	ns12.twnic.net.tw, ns11.twnic.net.tw	-

✅ Authoritative Response

Server:60.199.218.234

NS records: ns12.twnic.net.tw, ns11.twnic.net.tw

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for com.tw (unsigned zone)

⏱️ Timing

Total: 1300ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns11.twnic.net.tw, ns12.twnic.net.tw`
MX	1	`vtac-com-tw.mail.protection.outlook.com`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns11.twnic.net.tw tech.twnic.net.tw`

Analysis

Hierarchy

vtac.com.tw is a parent domain of www.vtac.com.tw.

Name Servers

vtac.com.tw is served by two delegated name servers, ns11.twnic.net.tw and ns12.twnic.net.tw.

vtac.com.tw shares its name server setup with other domains, including polygain.com.tw, friend.idv.tw, lightspeed.com.tw and two others.

Host names with three IP numbers:

ns12.twnic.net.tw resolves to three addresses: 60.199.218.234, 104.199.237.109 and 211.20.231.13.

Host names with two IP numbers:

ns11.twnic.net.tw maps to two IP addresses — 2001:cd8:800::198 and 2404:0:10a0::3852.

Mail Servers

vtac.com.tw has one mail server: vtac-com-tw.mail.protection.outlook.com.

vtac-com-tw.mail.protection.outlook.com points to 6 IP numbers: 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 other.

vtac.com.tw - robtex.com

vtac.com.tw

com.tw