`coursebooker.org`

DNSSEC	⚠️ Not signed
NS	`ns1.iwantmyname.net` ⭐
		A	2001:8d8:fe:53:217:160:80:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
		A	217.160.80.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.de`
NS	`ns2.iwantmyname.net`
		A	2001:8d8:fe:53:217:160:81:161^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
		A	217.160.81.161^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns-ix2.ui-dns.biz`
NS	`ns3.iwantmyname.net`
		A	2607:f1c0:fe:53:185:132:35:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.org`
		A	185.132.35.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.org`
NS	`ns4.iwantmyname.net`
		A	2607:f1c0:fe:53:185:132:34:161^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns-ix2.ui-dns.com`
		A	185.132.34.161^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns-ix2.ui-dns.com`
SOA	`ns1.iwantmyname.net`info@12idn.com 2018-05-22 #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=1774768483

Same first word

coursebooker.co.uk

coursebooker.com

coursebooker.org

Similar names

bookresource.net

resourcebook.com

DNS History

4 records (4 active, 0 former)

●NSns1.iwantmyname.net2026-03-04 → 2026-03-29 · 2 obs

● 2026-03-04 07:10:06
● 2026-03-29 07:52:04

●NSns2.iwantmyname.net2026-03-04 → 2026-03-29 · 2 obs

● 2026-03-04 07:10:06
● 2026-03-29 07:52:04

●NSns3.iwantmyname.net2026-03-04 → 2026-03-29 · 2 obs

● 2026-03-04 07:10:06
● 2026-03-29 07:52:04

●NSns4.iwantmyname.net2026-03-04 → 2026-03-29 · 2 obs

● 2026-03-04 07:10:06
● 2026-03-29 07:52:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
coursebooker.org	ns2.iwantmyname.net, ns3.iwantmyname.net, ns4.iwantmyname.net, ns1.iwantmyname.net	-

✅ Authoritative Response

Server:217.160.80.161

NS records: ns2.iwantmyname.net, ns3.iwantmyname.net, ns4.iwantmyname.net, ns1.iwantmyname.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursebooker.org (unsigned zone)

⏱️ Timing

Total: 945ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns2.iwantmyname.net, ns3.iwantmyname.net...`
SOA	1	`ns1.iwantmyname.net info.12idn.com`

Analysis

Name Servers

coursebooker.org is delegated to four name servers: ns1.iwantmyname.net, ns2.iwantmyname.net, ns3.iwantmyname.net and ns4.iwantmyname.net.

coursebooker.org shares name servers with other domains at least partially, for instance clstk.com, samuelnormando.com, organizedarchitect.com, vehipure.com and annehickey.com.

Host names with two IP numbers:

ns1.iwantmyname.net resolves to 2001:8d8:fe:53:217:160:80:161 and 217.160.80.161.

ns2.iwantmyname.net resolves to 2001:8d8:fe:53:217:160:81:161 and 217.160.81.161.

ns3.iwantmyname.net resolves to 2607:f1c0:fe:53:185:132:35:161 and 185.132.35.161.

ns4.iwantmyname.net resolves to 2607:f1c0:fe:53:185:132:34:161 and 185.132.34.161.

coursebooker.org - robtex.com