`nexdefinition.com`

DNSSEC	⚠️ Not signed
NS	`ns-east.cerf.net` ⚠️ Not in zone NS records
		A	2001:1890:1ff:9f1:99:99:99:136^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`ns-east.cerf.net`
		A	99.99.99.136^{🇺🇸 AS701899.96.0.0/13 AT&T Enterprises, LLC}
			PTR	`ns-east.cerf.net`
NS	`ns-west.cerf.net` ⚠️ Not in zone NS records
		A	2001:1890:1ff:9f0:68:94:156:136^{🇺🇸 AS70182001:1890::/29 AT&T Enterprises, LLC}
			PTR	`ns-west.cerf.net`
		A	68.94.156.136^{🇺🇸 AS701868.88.0.0/13 ARIN Allocation SBC Internet Services}
			PTR	`ns-west.cerf.net`
NS	`ns6.customer.level3.net` ⚠️ Not in zone NS records
		A	209.244.4.85^{🇺🇸 AS3356209.244.0.0/14}
			PTR	`ns6.customer.level3.net`
NS	`ns9.customer.level3.net` ⚠️ Not in zone NS records
		A	209.244.4.148^{🇺🇸 AS3356209.244.0.0/14}
			PTR	`ns9.customer.level3.net`

`com`

	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=1774731907

Same first word

nexdefinition.com

DNS History

4 records (4 active, 0 former)

●NSns-east.cerf.net2026-03-08 → 2026-03-28 · 2 obs

● 2026-03-08 05:40:58
● 2026-03-28 21:30:02

●NSns-west.cerf.net2026-03-08 → 2026-03-28 · 2 obs

● 2026-03-08 05:40:58
● 2026-03-28 21:30:02

●NSns6.customer.level3.net2026-03-08 → 2026-03-28 · 2 obs

● 2026-03-08 05:40:58
● 2026-03-28 21:30:02

●NSns9.customer.level3.net2026-03-08 → 2026-03-28 · 2 obs

● 2026-03-08 05:40:58
● 2026-03-28 21:30:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
nexdefinition.com	ns-east.cerf.net, ns-west.cerf.net, ns6.customer.level3.net, ns9.customer.level3.net	-

✅ Authoritative Response

Server:209.244.4.148

NS records: ns-east.cerf.net, ns-west.cerf.net, ns6.customer.level3.net, ns9.customer.level3.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for nexdefinition.com (unsigned zone)

⏱️ Timing

Total: 276ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

nexdefinition.com is delegated to four name servers: ns-east.cerf.net, ns-west.cerf.net, ns6.customer.level3.net and ns9.customer.level3.net.

nexdefinition.com at least partially shares name servers with other domains, including xn--ncke2ac2cyj0b6a.jp, tibolone.com, sjc-bb3.cerf.net, msdcndev.com and chi1-edc1.cerf.net.

These name servers are typically used together with the name servers cbru.br.ns.els-gms.att.net, cmtu.mt.ns.els-gms.att.net, ns19.customer.level3.net, ns24.customer.level3.net, dbru.br.ns.els-gms.att.net, dmtu.mt.ns.els-gms.att.net, dnsmgr3.level3.net, ns1.telcove.net, ns2.telcove.net and ns3.telcove.net.

Host names with two IP numbers: ns-east.cerf.net points to 2001:1890:1ff:9f1:99:99:99:136 and 99.99.99.136; ns-west.cerf.net points to 2001:1890:1ff:9f0:68:94:156:136 and 68.94.156.136.

Host names with one IP number: ns6.customer.level3.net points to 209.244.4.85; ns9.customer.level3.net points to 209.244.4.148.

nexdefinition.com - robtex.com