tcusa.com - dns.ninja

`tcusa.com`

DNSSEC	⚠️ Not signed
A	198.12.16.11^{🇺🇸 CharterComm198.12.16.0/22}
NS	`dns1.tcmsp.net` ⭐
		A	198.12.16.5^{🇺🇸 CharterComm198.12.16.0/22}
			PTR	`dns1.tcmsp.net`
NS	`dns2.tcmkt.net`
		A	198.12.17.5^{🇺🇸 CharterComm198.12.16.0/22}
			PTR	`dns2.tcmkt.net`
MX	`tcusa-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj0pr03cu01703.inbound.protection.outlook.com`
		A	2a01:111:f403:c922::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::6^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	52.101.8.34^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
TXT	`HIKQwYQzGRBYMMSJcnUOd71EMhJZ8JiNd6Ay6YU8r6QHyG4RVsLyFrnai5OJUQYYLrPJA0uqbUw3Z...`
TXT	`v=spf1 ip4:198.12.16.0/24 ip4:198.12.17.0/24 ip4:198.12.18.0/24 ip4:104.43.21...`
TXT	`MS=ms87338563`
SOA	`dns1.tcmsp.net`hostmaster@taylorcorp.com serial=1077159157

`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=1785756217

Subdomains

mail7.tcusa.com

tcfw1p.tcusa.com

tcfw3p.tcusa.com

fw1p.tcusa.com

Same first word

tcusa.org

tcusa.com

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ucast.net

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ascut.ru

caust.in

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acuts.synology.me

sutac.net

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actus.no

aucts.com

scaut.ru

tusca.ir

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ctusa.org

custa.com

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actus.co.kr

DNS History

7 records (4 active, 3 former)

●NSdns1.tcmsp.net2015-08-23 → 2026-08-03 · 2 obs

● 2015-08-23 09:18:54
● 2026-08-03 11:24:14

●NSdns2.tcmkt.net2015-08-23 → 2026-08-03 · 2 obs

● 2015-08-23 09:18:54
● 2026-08-03 11:24:14

○NSdns3.jtmd.com2015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 09:18:54
○ 2015-09-10 20:40:58
○ 2026-08-03 11:24:14

○NSdns4.tcmkt.net2015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 09:18:54
○ 2015-09-10 20:40:58
○ 2026-08-03 11:24:14

○MXmail.tcmsp.net2015-08-23 → 2019-04-06 · 4 obs

● 2015-08-23 09:18:54
● 2019-04-06 13:18:20
○ 2026-03-24 01:50:40
○ 2026-08-03 11:24:14

●MXtcusa-com.mail.protection.outlook.com2026-03-24 → 2026-08-03 · 3 obs

○ 2019-04-06 13:18:20
● 2026-03-24 01:50:40
● 2026-08-03 11:24:14

●A198.12.16.112015-08-23 → 2026-08-03 · 2 obs

● 2015-08-23 09:18:54
● 2026-08-03 11:24:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
tcusa.com	dns2.tcmkt.net, dns1.tcmsp.net	-

✅ Authoritative Response

Server:198.12.17.5

NS records: dns2.tcmkt.net, dns1.tcmsp.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcusa.com (unsigned zone)

⏱️ Timing

Total: 371ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`198.12.16.11`
NS	2	`dns2.tcmkt.net, dns1.tcmsp.net`
MX	1	`tcusa-com.mail.protection.outlook.com (p`
TXT	3	`v=spf1 ip4:198.12.16.0/24 ip4:198.12.17., MS=ms87338563...`
SOA	1	`dns1.tcmsp.net hostmaster.taylorcorp.com`

Analysis

Hierarchy

tcusa.com serves as the parent of mail7.tcusa.com, tcfw1p.tcusa.com, tcfw3p.tcusa.com and fw1p.tcusa.com.

IP Addresses

tcusa.com resolves to one IP address: 198.12.16.11.

Name Servers

Two name servers handle the delegation for tcusa.com: dns2.tcmkt.net and dns1.tcmsp.net.

tcusa.com uses the same name servers as several other domains — among them attendancetracking.com, imedconsent.com, corpgraph.com and two more.

The name servers for tcusa.com are at least partly shared with other domains such as saratogapen.biz, venture-encoding.com, navitor.net and usdiary.info.

It is common to find these name servers paired with the name servers dns3.tcmsp.net.

dns2.tcmkt.net directs to 198.12.17.5 and dns1.tcmsp.net directs to 198.12.16.5; each host name points to exactly one IP number.

Mail Servers

Mail for tcusa.com is handled by a single mail server, tcusa-com.mail.protection.outlook.com.

tcusa-com.mail.protection.outlook.com resolves to 8 IP addresses — 52.101.8.34, 52.101.9.12, 52.101.41.6 and 5 others.