`21tel.net`

DNSSEC	⚠️ Not signed
NS	`ns.antilo.de` ⚠️ Not in zone NS records
		A	89.221.1.2^{🇩🇪 ANTILO-AS89.221.0.0/20 Antilo Route 01}
			PTR	`ns.antilo.de`
NS	`ns.secns.net` ⚠️ Not in zone NS records
		A	162.55.218.216^{🇩🇪 Hetzner162.55.0.0/16 HETZNER-DC}
			PTR	`secns.net`

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778405076

21tel.net

21tel.com

tel12.com

let21.com

21elt.com

12tel.de

12let.com

12tel.com

lte12.com

12let.co

2 records (2 active, 0 former)

●NSns.antilo.de2026-02-28 → 2026-05-10 · 2 obs

● 2026-02-28 14:11:26
● 2026-05-10 09:33:46

●NSns.secns.net2026-02-28 → 2026-05-10 · 2 obs

● 2026-02-28 14:11:26
● 2026-05-10 09:33:46

21tel.net is delegated to two name servers ns.antilo.de and ns.secns.net.

21tel.net shares the same name server setup as other domains, for instance 5.221.89.in-addr.arpa, 181.212.91.in-addr.arpa, 13.221.89.in-addr.arpa, net-and-fon.com and tel-x.com.

21tel.net shares name servers with other domains at least partially, for example 2.221.89.in-addr.arpa and antilo.de.

Host names with one IP number: