`mx3.skillslinkup.com`

	DNSSEC	⚠️ Not signed
	A	192.111.155.42^{🇺🇸 DACENTEC-1192.111.144.0/20 CUST-192-111-144-0}

`skillslinkup.com`

	DNSSEC	⚠️ Not signed
	A	141.193.213.20^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
	A	141.193.213.21^{🇺🇸 CLOUDFLARESPECTRUM141.193.213.0/24 WPEngine, Inc. 504 Lavaca Street, 1000, Austin, TX 78701, US}
	NS	`ns53.domaincontrol.com` ⭐
	NS	`ns54.domaincontrol.com`
	MX	`mx1.skillslinkup.com` ⭐
	MX	`mx3.skillslinkup.com`⁽³⁰⁾
	TXT	`v=spf1 ip4:176.111.222.18/32 ip4:176.111.222.19/32 ip4:176.111.222.21/32 ip4:...`
	TXT	`yahoo-verification-key=cLfKzO7oldzLN/iRGdsbq0r1yec5syaIHHPHXHZVHv0=`
	SOA	`ns53.domaincontrol.com`dns@jomax.net 2026-02-09 #0

MX for

skillslinkup.com

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DNS History

1 record (1 active, 0 former)

●A192.111.155.422026-03-10 → 2026-03-24 · 2 obs

● 2026-03-10 10:33:38
● 2026-03-24 19:15:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
skillslinkup.com	ns53.domaincontrol.com, ns54.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.106.27

NS records: ns53.domaincontrol.com, ns54.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for skillslinkup.com (unsigned zone)

⏱️ Timing

Total: 103ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.111.155.42`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns53.domaincontrol.com, ns53.domaincontrol.com, ns54.domaincontrol.com...)

Analysis

Mail Server Role

mx3.skillslinkup.com is the mail server for skillslinkup.com.

mx1.skillslinkup.com is a common mail server alongside mx3.skillslinkup.com.

IP Addresses

mx3.skillslinkup.com points to a single IP number: 192.111.155.42.

other host names for instance mx3.corebridgelink.com, mx1.course.theeducationonline.com, mx3.taketips.healthcaretipss.com, mx3.alignedsphere.com and mx3.course.theeducationonline.com share IP numbers with mx3.skillslinkup.com.

mx3.skillslinkup.com - robtex.com