`rolex.courses`

DNSSEC	⚠️ Not signed
NS	`dns1.p01.nsone.net` ⭐ ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p03.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:3:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p03.nsone.net`
		A	198.51.44.3^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p03.nsone.net`
NS	`dns2.p01.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p01.nsone.net`
NS	`dns2.p03.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:3::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p03.nsone.net`
		A	198.51.45.3^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p03.nsone.net`
NS	`dns3.p01.nsone.net` ⚠️ Not in parent delegation
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p01.nsone.net`
NS	`dns3.p03.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:3:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p03.nsone.net`
		A	198.51.44.67^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p03.nsone.net`
NS	`dns4.p01.nsone.net` ⚠️ Not in parent delegation
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p01.nsone.net`
NS	`dns4.p03.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:3::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p03.nsone.net`
		A	198.51.45.67^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p03.nsone.net`
SOA	`dns1.p01.nsone.net`parked@nsone.net serial=1681000056

`courses`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.courses` ⭐
	NS	`b.nic.courses`
	NS	`c.nic.courses`
	NS	`x.nic.courses`
	NS	`y.nic.courses`
	NS	`z.nic.courses`
	SOA	`a.nic.courses`admin@tldns.godaddy serial=1781654661

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DNS History

8 records (8 active, 0 former)

●NSdns1.p01.nsone.net2026-05-19 → 2026-06-17 · 2 obs

● 2026-05-19 11:28:22
● 2026-06-17 01:54:12

●NSdns1.p03.nsone.net2026-05-19 → 2026-06-17 · 2 obs

● 2026-05-19 11:28:22
● 2026-06-17 01:54:12

●NSdns2.p01.nsone.net2026-05-19 → 2026-06-17 · 2 obs

● 2026-05-19 11:28:22
● 2026-06-17 01:54:12

●NSdns2.p03.nsone.net2026-05-19 → 2026-06-17 · 2 obs

● 2026-05-19 11:28:22
● 2026-06-17 01:54:12

●NSdns3.p01.nsone.net2026-05-19 → 2026-06-17 · 2 obs

● 2026-05-19 11:28:22
● 2026-06-17 01:54:12

●NSdns3.p03.nsone.net2026-05-19 → 2026-06-17 · 2 obs

● 2026-05-19 11:28:22
● 2026-06-17 01:54:12

●NSdns4.p01.nsone.net2026-05-19 → 2026-06-17 · 2 obs

● 2026-05-19 11:28:22
● 2026-06-17 01:54:12

●NSdns4.p03.nsone.net2026-05-19 → 2026-06-17 · 2 obs

● 2026-05-19 11:28:22
● 2026-06-17 01:54:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
courses	a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses...	12 records
rolex.courses	dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net	-

✅ Authoritative Response

Server:198.51.45.67

NS records: dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rolex.courses (unsigned zone)

⏱️ Timing

Total: 511ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`dns3.p01.nsone.net, dns2.p01.nsone.net...`
SOA	1	`dns1.p01.nsone.net parked.nsone.net`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)

Analysis

Name Servers

rolex.courses has 8 name servers — dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and 5 others.

The name servers of rolex.courses overlap at least partially with those of other domains — among them ariestools.com.au, fraserbrown.ca, studioparca.com and two more.

These name servers commonly appear in delegations together with dns1.p03.nsone.net, dns3.p03.nsone.net, dns4.p03.nsone.net and 7 other.

Host names that have two IP addresses:

dns1.p01.nsone.net resolves to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns2.p01.nsone.net resolves to 198.51.45.1 and 2a00:edc0:6259:7:1::2.

dns3.p01.nsone.net resolves to 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3.

dns4.p01.nsone.net resolves to 198.51.45.65 and 2a00:edc0:6259:7:1::4.

dns1.p03.nsone.net resolves to 198.51.44.3 and 2620:4d:4000:6259:7:3:0:1.

dns2.p03.nsone.net resolves to 198.51.45.3 and 2a00:edc0:6259:7:3::2.

dns3.p03.nsone.net resolves to 198.51.44.67 and 2620:4d:4000:6259:7:3:0:3.

dns4.p03.nsone.net resolves to 198.51.45.67 and 2a00:edc0:6259:7:3::4.