`technicalcollegeonline.com`

DNSSEC	⚠️ Not signed
A	13.248.243.5^{🇺🇸 Amazon13.248.240.0/20}
		PTR	`a16e665f42988324c.awsglobalaccelerator.com`
A	76.223.105.230^{🇺🇸 Amazon76.223.96.0/20}
NS	`ns55.domaincontrol.com` ⭐
		A	2603:5:21b2::1c^{🇺🇸 GODADDY-DNS2603:5:21b0::/44}
			PTR	`ns55.domaincontrol.com`
		A	97.74.107.28^{🇺🇸 GODADDY-DNS97.74.106.0/23}
			PTR	`ns55.domaincontrol.com`
NS	`ns56.domaincontrol.com`
		A	2603:5:22b2::1c^{🇺🇸 GODADDY-DNS2603:5:22b0::/44}
			PTR	`ns56.domaincontrol.com`
		A	173.201.75.28^{🇺🇸 GODADDY-DNS173.201.74.0/23}
			PTR	`ns56.domaincontrol.com`
MX	`mx1-usg2.ppe-hosted.com` ⭐
		A	98.85.123.215^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`mx1-usg2.ppe-hosted.com`
MX	`mx2-usg2.ppe-hosted.com` ⭐
		A	23.21.114.81^{🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix}
			PTR	`mx2-usg2.ppe-hosted.com`
MX	`mx3-usg2.ppe-hosted.com` ⭐
		A	34.231.165.252^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`mx3-usg2.ppe-hosted.com`
TXT	`v=spf1 include:_spf-usg2.ppe-hosted.com include:secureserver.net ~all`
TXT	`google-site-verification=CWR96yzyU3XUTnbt-TE7tiF1lP0nYREd0qLKW0QJ_r0`
TXT	`MS=ms53489069`
TXT	`google-site-verification=V5ENhkz5hjLRxlpBdRWeRr3W0022huTgBubjLb-lY30`
SOA	`ns55.domaincontrol.com`dns@jomax.net 2025-11-25 #0

`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=1774667812

Same first word

technicalcollegeonline.com

DNS History

12 records (7 active, 5 former)

●NSns55.domaincontrol.com2015-07-19 → 2026-03-28 · 2 obs

● 2015-07-19 22:21:44
● 2026-03-28 03:35:18

●NSns56.domaincontrol.com2015-07-19 → 2026-03-28 · 2 obs

● 2015-07-19 22:21:44
● 2026-03-28 03:35:18

○MXmailstore1.secureserver.net2015-07-19 → 2020-04-09 · 4 obs

● 2015-07-19 22:21:44
● 2020-04-09 12:32:34
○ 2026-03-26 05:42:38
○ 2026-03-28 03:35:18

●MXmx1-usg2.ppe-hosted.com2026-03-26 → 2026-03-28 · 3 obs

○ 2020-04-09 12:32:34
● 2026-03-26 05:42:38
● 2026-03-28 03:35:18

●MXmx2-usg2.ppe-hosted.com2026-03-26 → 2026-03-28 · 3 obs

○ 2020-04-09 12:32:34
● 2026-03-26 05:42:38
● 2026-03-28 03:35:18

●MXmx3-usg2.ppe-hosted.com2026-03-26 → 2026-03-28 · 3 obs

○ 2020-04-09 12:32:34
● 2026-03-26 05:42:38
● 2026-03-28 03:35:18

○MXsmtp.secureserver.net2015-07-19 → 2020-04-09 · 4 obs

● 2015-07-19 22:21:44
● 2020-04-09 12:32:34
○ 2026-03-26 05:42:38
○ 2026-03-28 03:35:18

●A13.248.243.52026-03-26 → 2026-03-28 · 3 obs

○ 2020-04-09 12:32:34
● 2026-03-26 05:42:38
● 2026-03-28 03:35:18

○A160.153.136.32020-04-09 → 2020-04-09 · 4 obs

○ 2017-02-10 20:12:20
● 2020-04-09 12:32:34
○ 2026-03-26 05:42:38
○ 2026-03-28 03:35:18

○A198.71.155.1172016-06-27 → 2017-02-10 · 5 obs

○ 2016-02-27 09:59:56
● 2016-06-27 16:24:48
● 2017-02-10 20:12:20
○ 2020-04-09 12:32:34
○ 2026-03-28 03:35:18

○A50.63.197.2052015-07-19 → 2016-02-27 · 4 obs

● 2015-07-19 22:21:44
● 2016-02-27 09:59:56
○ 2016-06-27 16:24:48
○ 2026-03-28 03:35:18

●A76.223.105.2302026-03-26 → 2026-03-28 · 3 obs

○ 2020-04-09 12:32:34
● 2026-03-26 05:42:38
● 2026-03-28 03:35:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
technicalcollegeonline.com	ns55.domaincontrol.com, ns56.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.107.28

NS records: ns55.domaincontrol.com, ns56.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for technicalcollegeonline.com (unsigned zone)

⏱️ Timing

Total: 242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.105.230, 13.248.243.5`
NS	2	`ns55.domaincontrol.com, ns56.domaincontrol.com`
MX	3	`mx1-usg2.ppe-hosted.com (pri: 0), mx2-usg2.ppe-hosted.com (pri: 0)...`
TXT	4	`v=spf1 include:_spf-usg2.ppe-hosted.com , google-site-verification=CWR96yzyU3XUTnb...`
SOA	1	`ns55.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns55.domaincontrol.com, ns55.domaincontrol.com, ns56.domaincontrol.com...)

Analysis

IP Addresses

technicalcollegeonline.com resolves to two IP numbers: 13.248.243.5 and 76.223.105.230.

Other host names, for instance decorateguide.com, mystargate.info, blueskyenergyasia.com, monfino.com and cuvrit.com share IP numbers with technicalcollegeonline.com.

Name Servers

technicalcollegeonline.com has two name servers: ns55.domaincontrol.com and ns56.domaincontrol.com.

technicalcollegeonline.com shares the same name server setup as other domains, for example organickid.com, buywolftickets.com, clevelandpap.net, stephentisch.com and 2segypt.com.

Host names with two IP numbers:

ns55.domaincontrol.com points to: 2603:5:21b2::1c and 97.74.107.28; ns56.domaincontrol.com points to: 2603:5:22b2::1c and 173.201.75.28.

Mail Servers

technicalcollegeonline.com is handled by three mail servers: mx1-usg2.ppe-hosted.com, mx2-usg2.ppe-hosted.com and mx3-usg2.ppe-hosted.com.

technicalcollegeonline.com shares some mail servers with other domains, at least partially; for instance lynnsheenenovels.com, valleymobilenotary.com, epoxy.la, robinmalpass.com and shaffrangroup.com.

Host names with a single IP: mx1-usg2.ppe-hosted.com points to 98.85.123.215; mx2-usg2.ppe-hosted.com points to 23.21.114.81; mx3-usg2.ppe-hosted.com points to 34.231.165.252.

technicalcollegeonline.com - robtex.com