`grottonetwork.org`

DNSSEC	⚠️ Not signed
NS	`ns1.nd.edu` ⭐
		A	129.74.250.50^{🇺🇸 ASN-UND129.74.0.0/16 University of Notre Dame}
			PTR	`ns1.nd.edu`
NS	`ns2.nd.edu`
		A	66.205.160.50^{🇺🇸 ASN-UND66.205.160.0/20 University of Notre Dame}
			PTR	`ns2.nd.edu`
NS	`ns3.nd.edu` ⚠️ Not in zone NS records
SOA	`ns1.nd.edu`dns@nd.edu serial=10

`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=1777526809

grottonetwork.org

grottonetwork.com

3 records (3 active, 0 former)

●NSns1.nd.edu2026-03-16 → 2026-04-30 · 2 obs

● 2026-03-16 22:54:04
● 2026-04-30 05:54:32

●NSns2.nd.edu2026-03-16 → 2026-04-30 · 2 obs

● 2026-03-16 22:54:04
● 2026-04-30 05:54:32

●NSns3.nd.edu2026-03-16 → 2026-04-30 · 2 obs

● 2026-03-16 22:54:04
● 2026-04-30 05:54:32

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
grottonetwork.org	ns1.nd.edu, ns3.nd.edu, ns2.nd.edu	-

Server:66.205.160.50

NS records: ns1.nd.edu, ns3.nd.edu, ns2.nd.edu

⚠️ Insecure (no DNSSEC)

No DS record for grottonetwork.org (unsigned zone)

Total: 490ms | Queries: -

Type	Count	Sample Data
NS	2	`ns2.nd.edu, ns1.nd.edu`
SOA	1	`ns1.nd.edu dns.nd.edu`

grottonetwork.org is delegated to three name servers: ns1.nd.edu, ns2.nd.edu and ns3.nd.edu.

grottonetwork.org partially shares name servers with other domains; examples include atm.nd.edu, student-activities.nd.edu, 235.254.66.in-addr.arpa, corpfs.nd.edu and rad.nd.edu.

these name servers are commonly used with the name servers ns2a.nd.edu.

Host names with one IP number: The host name ns1.nd.edu points to 129.74.250.50 and the host name ns2.nd.edu points to 66.205.160.50.