`open-system.org`

DNSSEC	⚠️ Not signed
NS	`ns1.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2100::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2100::/44 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
		A	108.59.166.201^{🇺🇸 ORACLE-OCI-31898108.59.166.0/23 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
NS	`ns2.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2110::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2110::/44 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
		A	108.59.168.201^{🇺🇸 ORACLE-OCI-31898108.59.168.0/23 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
NS	`ns3.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2120::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2120::/44 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
		A	108.59.170.201^{🇺🇸 ORACLE-OCI-31898108.59.170.0/23 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
NS	`ns4.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2110::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2110::/44 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
		A	108.59.172.201^{🇺🇸 ORACLE-OCI-31898108.59.172.0/23 Dynamic Network Services, Inc.}
			PTR	`ns4.p201.dns.oraclecloud.net`
NS	`ns5.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2120::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2120::/44 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
		A	108.59.170.201^{🇺🇸 ORACLE-OCI-31898108.59.170.0/23 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`

`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=1775305935

Same first word

open-system.fr

open-system.pl

open-system.org

DNS History

5 records (5 active, 0 former)

●NSns1.mydyndns.org2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 09:42:06
● 2026-04-04 12:44:20

●NSns2.mydyndns.org2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 09:42:06
● 2026-04-04 12:44:20

●NSns3.mydyndns.org2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 09:42:06
● 2026-04-04 12:44:20

●NSns4.mydyndns.org2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 09:42:06
● 2026-04-04 12:44:20

●NSns5.mydyndns.org2026-02-19 → 2026-04-04 · 2 obs

● 2026-02-19 09:42:06
● 2026-04-04 12:44:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
open-system.org	ns5.mydyndns.org, ns2.mydyndns.org, ns4.mydyndns.org, ns1.mydyndns.org...	10 records

✅ Authoritative Response

Server:108.59.170.201

NS records: ns5.mydyndns.org, ns2.mydyndns.org, ns4.mydyndns.org, ns1.mydyndns.org, ns3.mydyndns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for open-system.org (unsigned zone)

⏱️ Timing

Total: 438ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.mydyndns.org, ns2.mydyndns.org, ns3.mydyndns.org...)

Analysis

Name Servers

open-system.org is delegated to five name servers: ns1.mydyndns.org, ns2.mydyndns.org, ns3.mydyndns.org, ns4.mydyndns.org and ns5.mydyndns.org.

open-system.org at least partially shares name servers with other domains, for instance dyntest.net, mymedview.com, lfgsm.edu, wojski.net and req.info.