`holtzman.us`

DNSSEC	⚠️ Not signed
NS	`a.ns.joker.com` ⚠️ Not in zone NS records
		A	2a01:4f8:c0c:165b::1^{🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK}
			PTR	`y.ns.joker.com`
		A	23.88.49.189^{🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC}
			PTR	`static.189.49.88.23.clients.your-server.de`
NS	`b.ns.joker.com` ⚠️ Not in zone NS records
		A	159.25.97.69^{🇩🇪 CSL159.25.0.0/16}
			PTR	`b.ns.joker.com`
NS	`c.ns.joker.com` ⚠️ Not in zone NS records
		A	2607:5300:203:7e6d::2222^{🇨🇦 OVH2607:5300::/32 Hosting route}
			PTR	`z.ns.joker.com`
		A	192.95.37.184^{🇨🇦 OVH192.95.0.0/18 Hosting route}
			PTR	`z.ns.joker.com`

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1774832970

holtzman.com

holtzman.ca

holtzman.us

holtzman.net

Zone	Nameservers	Glue
us	b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...	-
holtzman.us	c.ns.joker.com, b.ns.joker.com, a.ns.joker.com	-

Server:23.88.49.189

NS records: c.ns.joker.com, b.ns.joker.com, a.ns.joker.com

⚠️ Insecure (no DNSSEC)

No DS record for holtzman.us (unsigned zone)

Total: 821ms | Queries: -

Type	Count	Sample Data

holtzman.us is delegated to name servers a.ns.joker.com, b.ns.joker.com and c.ns.joker.com.

holtzman.us at least partially shares name servers with other domains such as carnegie-speech.com, aquaplan.org, t-log.eu, floridamakers.com and woodpatina.com.

These name servers are commonly used alongside x.ns.joker.com, y.ns.joker.com and z.ns.joker.com.

Host names with two IP numbers:

Host names with one IP number: