`shortcourses.org`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns1.dan.com` ⭐
		A	2603:5:2125::43^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.dan.com`
		A	97.74.98.67^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.dan.com`
NS	`ns2.dan.com`
		A	2603:5:2225::43^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.dan.com`
		A	173.201.66.67^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.dan.com`
SOA	`ns1.dan.com`dns@jomax.net 2025-10-01 #0

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1776975412

Same first word

Similar names

rushscooters.com

southercross.com

DNS History

12 records (4 active, 8 former)

●NSns1.dan.com2020-03-28 → 2026-04-23 · 3 obs

○ 2017-01-19 04:15:56
● 2020-03-28 22:26:36
● 2026-04-23 20:46:26

○NSns15.domaincontrol.com2015-07-08 → 2017-01-19 · 4 obs

● 2015-07-08 04:59:24
● 2017-01-19 04:15:56
○ 2020-03-28 22:26:36
○ 2026-04-23 20:46:26

○NSns16.domaincontrol.com2015-07-08 → 2017-01-19 · 4 obs

● 2015-07-08 04:59:24
● 2017-01-19 04:15:56
○ 2020-03-28 22:26:36
○ 2026-04-23 20:46:26

●NSns2.dan.com2020-03-28 → 2026-04-23 · 3 obs

○ 2017-01-19 04:15:56
● 2020-03-28 22:26:36
● 2026-04-23 20:46:26

○NSverification-4061d2ea.ns3.dan.hosting2020-03-28 → 2020-03-28 · 3 obs

○ 2017-01-19 04:15:56
● 2020-03-28 22:26:36
○ 2026-04-23 20:46:26

○MXmailstore1.secureserver.net2015-07-08 → 2017-01-19 · 3 obs

● 2015-07-08 04:59:24
● 2017-01-19 04:15:56
○ 2026-04-23 20:46:26

○MXsmtp.secureserver.net2015-07-08 → 2017-01-19 · 3 obs

● 2015-07-08 04:59:24
● 2017-01-19 04:15:56
○ 2026-04-23 20:46:26

●A13.248.169.482026-04-23 → 2026-04-23 · 2 obs

○ 2020-03-28 22:26:36
● 2026-04-23 20:46:26

○A2a05:d014:9da:8c10:306e:3e07:a16f:a5522020-03-28 → 2020-03-28 · 3 obs

○ 2017-01-19 04:15:56
● 2020-03-28 22:26:36
○ 2026-04-23 20:46:26

○A50.63.202.192015-07-08 → 2017-01-19 · 4 obs

● 2015-07-08 04:59:24
● 2017-01-19 04:15:56
○ 2020-03-28 22:26:36
○ 2026-04-23 20:46:26

○A52.58.78.162020-03-28 → 2020-03-28 · 3 obs

○ 2017-01-19 04:15:56
● 2020-03-28 22:26:36
○ 2026-04-23 20:46:26

●A76.223.54.1462026-04-23 → 2026-04-23 · 2 obs

○ 2020-03-28 22:26:36
● 2026-04-23 20:46:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
shortcourses.org	ns1.dan.com, ns2.dan.com	-

✅ Authoritative Response

Server:97.74.98.67

NS records: ns1.dan.com, ns2.dan.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for shortcourses.org (unsigned zone)

⏱️ Timing

Total: 392ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns1.dan.com, ns2.dan.com`
SOA	1	`ns1.dan.com dns.jomax.net`

Analysis

IP Addresses

shortcourses.org points to two IPs: 13.248.169.48 and 76.223.54.146.

Other host names including daycare.us, fancyx.com, contentconduit.com, jerry.euro.synergyjuice.com and store.pawday.com share IP numbers with shortcourses.org.

Name Servers

shortcourses.org's delegation uses two name servers, ns1.dan.com and ns2.dan.com.

shortcourses.org shares the same name server setup as other domains, for example cnz.ronsroofrepair.com, 72-34-164-2-r.costserv.com, bailees.com, kdr.fr and twice.co.za.

shortcourses.org at least partially shares name servers with other domains, including djtheo.com, telegraph.org.uk, runwdw.com, mangaproject.com and explicify.com.

these name servers are commonly used together with ns1.undeveloped.com, ns2.undeveloped.com and verification-e2gti2nz.ns3.dan.hosting.

Host names with two IPs:

ns1.dan.com points to: 2603:5:2125::43 and 97.74.98.67

ns2.dan.com points to: 2603:5:2225::43 and 173.201.66.67

shortcourses.org - robtex.com