`studyondemand.org`

DNSSEC	⚠️ Not signed
A	131.153.50.18^{🇸🇬 PHOENIXNAP-AS-SG1131.153.50.0/24}
		PTR	`server-18.studyondemand.org`
NS	`ns18.studyondemand.org` ⭐
NS	`ns22.studyondemand.org`
		A	131.153.50.22^{🇸🇬 PHOENIXNAP-AS-SG1131.153.50.0/24}
			PTR	`server-22.studyondemand.org`
MX	`studyondemand.org` ⭐
		A	131.153.50.18^{🇸🇬 PHOENIXNAP-AS-SG1131.153.50.0/24}
			PTR	`server-18.studyondemand.org`
TXT	`v=spf1 ip4:131.153.50.18 include:turbo-smtp.com ~all`
SOA	`ns18.studyondemand.org`root@server2.studyondemand.org 2026-03-06 #1

`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=1776192981

MX for

studyondemand.org

Subdomains

server-18.studyondemand.org

Same first word

studyondemand.org

studyondemand.com

DNS History

4 records (4 active, 0 former)

●NSns18.studyondemand.org2026-03-18 → 2026-04-14 · 2 obs

● 2026-03-18 22:16:40
● 2026-04-14 19:09:16

●NSns22.studyondemand.org2026-03-18 → 2026-04-14 · 2 obs

● 2026-03-18 22:16:40
● 2026-04-14 19:09:16

●MXstudyondemand.org2026-03-18 → 2026-04-14 · 2 obs

● 2026-03-18 22:16:40
● 2026-04-14 19:09:16

●A131.153.50.182026-03-18 → 2026-04-14 · 2 obs

● 2026-03-18 22:16:40
● 2026-04-14 19:09:16

🔍 DNS Trace

Analysis

Hierarchy

studyondemand.org is the parent of server-18.studyondemand.org.

Mail Server Role

For studyondemand.org, the mail server is studyondemand.org.

IP Addresses

studyondemand.org resolves to one IP number: 131.153.50.18.

Other host names, for instance server-18.studyondemand.org, share IP numbers with studyondemand.org.

Name Servers

studyondemand.org is delegated to two name servers ns18.studyondemand.org and ns22.studyondemand.org.

Hostnames with a single IP:

ns22.studyondemand.org points to 131.153.50.22.

Mail Servers

studyondemand.org is served by a single mail server, studyondemand.org.

studyondemand.org resolves to IP 131.153.50.18.

studyondemand.org - robtex.com