`ctmtac.com`

DNSSEC	⚠️ Not signed
A	219.84.203.88^{🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD.}
		PTR	`so203-88.asiawhere.com`
NS	`ns4.wt500.com` ⭐
		A	61.56.223.219^{🇹🇼 NCIC-TW61.56.223.0/24 Far Eastone Telecommunications Co., Ltd}
			PTR	`fa223-219.asiawhere.com`
NS	`ns1.wt500.com`
		A	219.84.199.1^{🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD.}
			PTR	`so199-1.asiawhere.com`
NS	`ns2.wt500.com`
		A	219.84.199.2^{🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD.}
			PTR	`so199-2.asiawhere.com`
NS	`ns3.wt500.com`
		A	61.56.223.218^{🇹🇼 NCIC-TW61.56.223.0/24 Far Eastone Telecommunications Co., Ltd}
			PTR	`fa223-218.asiawhere.com`
MX	`mail.ctmtac.com` ⭐
		A	219.84.203.88^{🇹🇼 SO-NET-TW219.84.192.0/19 So-net Entertainment Taiwan Limited CO., LTD.}
			PTR	`so203-88.asiawhere.com`
TXT	`v=spf1 include:_spf.green.mailcloud.tw ip4:219.84.203.88 ~all`
SOA	`ns4.wt500.com`service@hgwebsite.com 2025-11-04 #2

`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.net`nstld@verisign-grs.com serial=1771291435

Subdomains

mail.ctmtac.com

www.ctmtac.com

Same first word

ctmtac.com

Similar names

cmttac.com

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ctmtac.com	ns1.wt500.com, ns2.wt500.com, ns3.wt500.com, ns4.wt500.com	4 records

✅ Authoritative Response

Server:219.84.199.2

NS records: ns1.wt500.com, ns2.wt500.com, ns3.wt500.com, ns4.wt500.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ctmtac.com (unsigned zone)

⏱️ Timing

Total: 494ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`219.84.203.88`
NS	4	`ns3.wt500.com, ns2.wt500.com...`
MX	1	`mail.ctmtac.com (pri: 10)`
TXT	1	`v=spf1 include:_spf.green.mailcloud.tw i`
SOA	1	`ns4.wt500.com service.hgwebsite.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.wt500.com, ns2.wt500.com, ns3.wt500.com...)

Analysis

Hierarchy

ctmtac.com is the parent of mail.ctmtac.com and www.ctmtac.com.

IP Addresses

ctmtac.com points to an IP address: 219.84.203.88.

other host names include yanxin.tw, mail.ctmtac.com, www.energy-hsinchu-county.org.tw, freshhome.com.tw and mingpen.com; they share IP numbers with ctmtac.com.

Name Servers

ctmtac.com delegates to four name servers: ns1.wt500.com, ns2.wt500.com, ns3.wt500.com and ns4.wt500.com.

ctmtac.com at least partially shares name servers with other domains, for instance webtaiwan.com, myking-smt.com, laoyeh.com, sl-law.com.tw and longmaoco.com.tw.

These name servers are commonly used with ns1.wa1000.com and ns2.wa1000.com.

Host names with one IP number: ns1.wt500.com points to: 219.84.199.1; ns2.wt500.com points to: 219.84.199.2; ns3.wt500.com points to: 61.56.223.218; ns4.wt500.com points to: 61.56.223.219.

Mail Servers

ctmtac.com is handled by a single mail server, mail.ctmtac.com.

The host name mail.ctmtac.com points to IP 219.84.203.88.

ctmtac.com - robtex.com

ctmtac.com

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