`tscjacobs.com`

DNSSEC	⚠️ Not signed
A	50.112.204.223^{🇺🇸 Amazon50.112.192.0/18 EC2 PDX prefix}
		PTR	`ec2-50-112-204-223.us-west-2.compute.amazonaws.com`
NS	`karina.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ab2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`karina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`karina.ns.cloudflare.com`
		A	108.162.192.178^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	172.64.32.178^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	173.245.58.178^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
NS	`will.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b95^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c195^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`will.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2195^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`will.ns.cloudflare.com`
		A	108.162.193.149^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	172.64.33.149^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
		A	173.245.59.149^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`will.ns.cloudflare.com`
MX	`smtp1-mke.securence.com` ⭐
		A	216.17.3.48^{🇺🇸 USINTERNET216.17.0.0/19 US Internet route}
			PTR	`smtp1.msp.securence.com`
MX	`smtp1-msp.securence.com` ⭐
		A	216.17.3.48^{🇺🇸 USINTERNET216.17.0.0/19 US Internet route}
			PTR	`smtp1.msp.securence.com`
TXT	`MS=ms10540298`
TXT	`MS=ms14915281`
TXT	`knowbe4-site-verification=9f592db77d2db9764a896651dbaadc04`
TXT	`v=spf1 include:spf.protection.outlook.com include:spf.securence.com -all`
SOA	`karina.ns.cloudflare.com`dns@cloudflare.com serial=2401114115

`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=1779263433

Subdomains

exchange.tscjacobs.com

Same first word

tscjacobs.com

DNS History

14 records (5 active, 9 former)

●NSkarina.ns.cloudflare.com2026-04-04 → 2026-05-20 · 3 obs

○ 2018-01-02 19:59:02
● 2026-04-04 11:02:42
● 2026-05-20 07:51:24

○NSns3.worldnic.com2015-08-23 → 2018-01-02 · 4 obs

● 2015-08-23 16:31:20
● 2018-01-02 19:59:02
○ 2026-04-04 11:02:42
○ 2026-05-20 07:51:24

○NSns4.worldnic.com2015-08-23 → 2018-01-02 · 4 obs

● 2015-08-23 16:31:20
● 2018-01-02 19:59:02
○ 2026-04-04 11:02:42
○ 2026-05-20 07:51:24

●NSwill.ns.cloudflare.com2026-04-04 → 2026-05-20 · 3 obs

○ 2018-01-02 19:59:02
● 2026-04-04 11:02:42
● 2026-05-20 07:51:24

○MXalt1.aspmx.l.google.com2015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 16:31:20
○ 2015-12-07 03:25:52
○ 2026-05-20 07:51:24

○MXalt2.aspmx.l.google.com2015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 16:31:20
○ 2015-12-07 03:25:52
○ 2026-05-20 07:51:24

○MXaspmx.l.google.com2015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 16:31:20
○ 2015-12-07 03:25:52
○ 2026-05-20 07:51:24

○MXaspmx2.googlemail.com2015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 16:31:20
○ 2015-12-07 03:25:52
○ 2026-05-20 07:51:24

○MXaspmx3.googlemail.com2015-08-23 → 2015-08-23 · 3 obs

● 2015-08-23 16:31:20
○ 2015-12-07 03:25:52
○ 2026-05-20 07:51:24

●MXsmtp1-mke.securence.com2026-04-04 → 2026-05-20 · 3 obs

○ 2018-01-02 19:59:02
● 2026-04-04 11:02:42
● 2026-05-20 07:51:24

●MXsmtp1-msp.securence.com2026-04-04 → 2026-05-20 · 3 obs

○ 2018-01-02 19:59:02
● 2026-04-04 11:02:42
● 2026-05-20 07:51:24

○MXtscjacobs-com.mail.protection.outlook.com2015-12-07 → 2018-01-02 · 5 obs

○ 2015-08-23 16:31:20
● 2015-12-07 03:25:52
● 2018-01-02 19:59:02
○ 2026-04-04 11:02:42
○ 2026-05-20 07:51:24

●A50.112.204.2232026-04-04 → 2026-05-20 · 3 obs

○ 2018-01-02 19:59:02
● 2026-04-04 11:02:42
● 2026-05-20 07:51:24

○A67.227.188.442015-08-23 → 2018-01-02 · 4 obs

● 2015-08-23 16:31:20
● 2018-01-02 19:59:02
○ 2026-04-04 11:02:42
○ 2026-05-20 07:51:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...	-
tscjacobs.com	will.ns.cloudflare.com, karina.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.178

NS records: will.ns.cloudflare.com, karina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tscjacobs.com (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.112.204.223`
NS	2	`karina.ns.cloudflare.com, will.ns.cloudflare.com`
MX	2	`smtp1-mke.securence.com (pri: 10), smtp1-msp.securence.com (pri: 10)`
TXT	4	`MS=ms10540298, MS=ms14915281...`
SOA	1	`karina.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (will.ns.cloudflare.com, will.ns.cloudflare.com, will.ns.cloudflare.com...)

Analysis

Hierarchy

tscjacobs.com is the parent zone for exchange.tscjacobs.com.

IP Addresses

tscjacobs.com resolves to just one IP address, 50.112.204.223.

Two other host names, along with kennedyind.com, life-longlearner.com and ec2-50-112-204-223.us-west-2.compute.amazonaws.com, also share IP numbers with tscjacobs.com.

Name Servers

tscjacobs.com uses two name servers for its delegation: karina.ns.cloudflare.com and will.ns.cloudflare.com.

tscjacobs.com shares its NS records with other domains, for example weci.com, bbqrevolt.com, haynes-pump.com and two others.

tscjacobs.com partially shares its NS delegation with several other domains, including z2i5h2t.com, weedsy.co, dnzsyouiexcar.space and two others.

These name servers often co-occur with the name servers dawn.ns.cloudflare.com.

DNS names with 6 IP addresses:

The hostname karina.ns.cloudflare.com resolves to 108.162.192.178, 172.64.32.178, 173.245.58.178 and three additional IP addresses.

The hostname will.ns.cloudflare.com resolves to 108.162.193.149, 172.64.33.149, 173.245.59.149 and three additional IP addresses.

Mail Servers

tscjacobs.com is served by two mail servers, smtp1-mke.securence.com and smtp1-msp.securence.com.

Among the domains sharing a mail server setup with tscjacobs.com are wfjlawfirm.com, mtllp.com, traveloneinc.com and two others.

There is at least a partial MX overlap between tscjacobs.com and other domains, including mayflowerdistributing.com, qualitymechanicalcontractors.com, five15onthepark.com and two others.

smtp1-mke.securence.com resolves to 216.17.3.48; smtp1-msp.securence.com resolves to the same IP address, 216.17.3.48.

Both smtp1-mke.securence.com and smtp1-msp.securence.com resolve to 216.17.3.48 IP addresses each.

tscjacobs.com - robtex.com

tscjacobs.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`tscjacobs.com`

`com`