`railroadcourses.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns61.domaincontrol.com` ⭐
		A	2603:5:2153::20^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns61.domaincontrol.com`
		A	97.74.101.32^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns61.domaincontrol.com`
NS	`ns62.domaincontrol.com`
		A	2603:5:2253::20^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns62.domaincontrol.com`
		A	173.201.69.32^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns62.domaincontrol.com`
MX	`smtp.secureserver.net` ⭐
		A	216.69.141.71^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
MX	`mailstore1.secureserver.net`⁽¹⁰⁾
		A	216.69.141.78^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101216.69.140.0/22}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
SOA	`ns61.domaincontrol.com`dns@jomax.net 2026-02-22 #3

`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=1774986052

Same first word

railroadcourses.com

DNS History

11 records (6 active, 5 former)

○NSns.railroadcourses.com2015-04-25 → 2015-04-25 · 3 obs

● 2015-04-25 07:00:06
○ 2015-09-16 00:32:32
○ 2026-03-31 19:55:16

●NSns61.domaincontrol.com2015-09-16 → 2026-03-31 · 3 obs

○ 2015-04-25 07:00:06
● 2015-09-16 00:32:32
● 2026-03-31 19:55:16

●NSns62.domaincontrol.com2015-09-16 → 2026-03-31 · 3 obs

○ 2015-04-25 07:00:06
● 2015-09-16 00:32:32
● 2026-03-31 19:55:16

○MXmail.railroadcourses.com2015-04-25 → 2015-04-25 · 3 obs

● 2015-04-25 07:00:06
○ 2015-09-16 00:32:32
○ 2026-03-31 19:55:16

●MXmailstore1.secureserver.net2015-09-16 → 2026-03-31 · 3 obs

○ 2015-04-25 07:00:06
● 2015-09-16 00:32:32
● 2026-03-31 19:55:16

●MXsmtp.secureserver.net2015-09-16 → 2026-03-31 · 3 obs

○ 2015-04-25 07:00:06
● 2015-09-16 00:32:32
● 2026-03-31 19:55:16

●A15.197.225.1282026-02-14 → 2026-03-31 · 3 obs

○ 2019-01-02 03:50:48
● 2026-02-14 20:37:58
● 2026-03-31 19:55:16

○A184.168.131.2412019-01-02 → 2019-01-02 · 4 obs

○ 2017-01-23 17:17:04
● 2019-01-02 03:50:48
○ 2026-02-14 20:37:58
○ 2026-03-31 19:55:16

○A208.109.223.692015-04-25 → 2015-04-25 · 3 obs

● 2015-04-25 07:00:06
○ 2015-09-16 00:32:32
○ 2026-03-31 19:55:16

●A3.33.251.1682026-02-14 → 2026-03-31 · 3 obs

○ 2019-01-02 03:50:48
● 2026-02-14 20:37:58
● 2026-03-31 19:55:16

○A50.63.202.112015-09-16 → 2017-01-23 · 5 obs

○ 2015-04-25 07:00:06
● 2015-09-16 00:32:32
● 2017-01-23 17:17:04
○ 2019-01-02 03:50:48
○ 2026-03-31 19:55:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
railroadcourses.com	ns61.domaincontrol.com, ns62.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.101.32

NS records: ns61.domaincontrol.com, ns62.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for railroadcourses.com (unsigned zone)

⏱️ Timing

Total: 163ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns61.domaincontrol.com, ns62.domaincontrol.com`
MX	2	`mailstore1.secureserver.net (pri: 10), smtp.secureserver.net (pri: 0)`
SOA	1	`ns61.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns61.domaincontrol.com, ns61.domaincontrol.com, ns62.domaincontrol.com...)

Analysis

IP Addresses

railroadcourses.com points to two IP numbers: 3.33.251.168 and 15.197.225.128.

Other host names, for instance rmazara.net, bensongardens.com, reliantit.ca, salons.gallery and rareyachts.com share IP numbers with railroadcourses.com.

Name Servers

railroadcourses.com's delegation is to two name servers ns61.domaincontrol.com and ns62.domaincontrol.com.

railroadcourses.com shares the same name server configuration as other domains, such as mobicash.us, arteagarealestate.com, cesidebtsolutions.org, alkivista.com and ximna.com.

Host names with two IP numbers: ns61.domaincontrol.com points to 2603:5:2153::20 and 97.74.101.32; ns62.domaincontrol.com points to 2603:5:2253::20 and 173.201.69.32

Mail Servers

Two mail servers mailstore1.secureserver.net and smtp.secureserver.net handle railroadcourses.com.

railroadcourses.com uses the same mail server setup as other domains such as axonbody.com, the-lost-art.com, irrrlloans.com, anahad.com and bbetteru.net.

railroadcourses.com shares at least some mail servers with other domains, for instance awc.wine and firstindemnity-apps.net.

Host names with three IP numbers

The host name mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; the host name smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113

railroadcourses.com - robtex.com