cornells.us - dns.ninja

`cornells.us`

DNSSEC	⚠️ Not signed
NS	`ns1.mydyndns.org` ⭐ ⚠️ Not in zone NS records
		A	2600:2000:2100::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2100::/44 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
		A	108.59.166.201^{🇺🇸 ORACLE-OCI-31898108.59.166.0/23 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
NS	`ns1159.dns.dyn.com` ⚠️ Not in parent delegation
		A	2600:2000:2100::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2100::/44 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
		A	108.59.166.201^{🇺🇸 ORACLE-OCI-31898108.59.166.0/23 Dynamic Network Services, Inc.}
			PTR	`ns1.p201.dns.oraclecloud.net`
NS	`ns2.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2110::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2110::/44 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
		A	108.59.168.201^{🇺🇸 ORACLE-OCI-31898108.59.168.0/23 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
NS	`ns2158.dns.dyn.com` ⚠️ Not in parent delegation
		A	2600:2000:2110::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2110::/44 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
		A	108.59.168.201^{🇺🇸 ORACLE-OCI-31898108.59.168.0/23 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
NS	`ns3.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2120::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2120::/44 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
		A	108.59.170.201^{🇺🇸 ORACLE-OCI-31898108.59.170.0/23 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
NS	`ns3171.dns.dyn.com` ⚠️ Not in parent delegation
		A	2600:2000:2120::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2120::/44 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
		A	108.59.170.201^{🇺🇸 ORACLE-OCI-31898108.59.170.0/23 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
NS	`ns4.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2110::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2110::/44 Dynamic Network Services, Inc.}
			PTR	`ns2.p201.dns.oraclecloud.net`
		A	108.59.172.201^{🇺🇸 ORACLE-OCI-31898108.59.172.0/23 Dynamic Network Services, Inc.}
			PTR	`ns4.p201.dns.oraclecloud.net`
NS	`ns4197.dns.dyn.com` ⚠️ Not in parent delegation
		A	2600:2000:2130::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2130::/44 Dynamic Network Services, Inc.}
			PTR	`ns4.p201.dns.oraclecloud.net`
		A	108.59.172.201^{🇺🇸 ORACLE-OCI-31898108.59.172.0/23 Dynamic Network Services, Inc.}
			PTR	`ns4.p201.dns.oraclecloud.net`
NS	`ns5.mydyndns.org` ⚠️ Not in zone NS records
		A	2600:2000:2120::c9^{🇺🇸 ORACLE-OCI-318982600:2000:2120::/44 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
		A	108.59.170.201^{🇺🇸 ORACLE-OCI-31898108.59.170.0/23 Dynamic Network Services, Inc.}
			PTR	`ns3.p201.dns.oraclecloud.net`
MX	`mail.cornells.us` ⭐
		A	70.58.71.115^{🇺🇸 AS20970.58.64.0/19}
			PTR	`cornells.us`
MX	`mx1.cornells.us`⁽²⁰⁾
		A	70.58.71.115^{🇺🇸 AS20970.58.64.0/19}
			PTR	`cornells.us`
SOA	`ns1.mydyndns.org`zone-admin@dyndns.com 2024-06-03 #6

`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=1786126553

PTR for

115.71.58.70.in-addr.arpa

Previously MX for

cornells.us

Subdomains

mx1.cornells.us

mail.cornells.us

Same first word

cornells.com

cornells.net

cornells.org

cornells.com.au

cornells.us

Similar names

cronsell.se

rosenllc.net

elconsrl.it

elconsrl.eu

scornell.com

elconsrl.com

scrollen.de

norcells.com

enscroll.com

scenroll.com

sellcorn.com

DNS History

13 records (11 active, 2 former)

●NSns1.mydyndns.org2015-08-31 → 2026-08-07 · 2 obs

● 2015-08-31 21:09:20
● 2026-08-07 18:29:18

●NSns1159.dns.dyn.com2015-08-31 → 2026-08-07 · 2 obs

● 2015-08-31 21:09:20
● 2026-08-07 18:29:18

●NSns2.mydyndns.org2026-03-16 → 2026-08-07 · 3 obs

○ 2015-08-31 21:09:20
● 2026-03-16 11:59:48
● 2026-08-07 18:29:18

●NSns2158.dns.dyn.com2015-08-31 → 2026-08-07 · 2 obs

● 2015-08-31 21:09:20
● 2026-08-07 18:29:18

●NSns3.mydyndns.org2026-03-16 → 2026-08-07 · 3 obs

○ 2015-08-31 21:09:20
● 2026-03-16 11:59:48
● 2026-08-07 18:29:18

●NSns3171.dns.dyn.com2015-08-31 → 2026-08-07 · 2 obs

● 2015-08-31 21:09:20
● 2026-08-07 18:29:18

●NSns4.mydyndns.org2026-03-16 → 2026-08-07 · 3 obs

○ 2015-08-31 21:09:20
● 2026-03-16 11:59:48
● 2026-08-07 18:29:18

●NSns4197.dns.dyn.com2015-08-31 → 2026-08-07 · 2 obs

● 2015-08-31 21:09:20
● 2026-08-07 18:29:18

●NSns5.mydyndns.org2026-03-16 → 2026-08-07 · 3 obs

○ 2015-08-31 21:09:20
● 2026-03-16 11:59:48
● 2026-08-07 18:29:18

○MXcornells.us2016-04-29 → 2017-04-19 · 4 obs

● 2016-04-29 01:48:56
● 2017-04-19 10:55:40
○ 2026-03-16 11:59:48
○ 2026-08-07 18:29:18

●MXmail.cornells.us2026-03-16 → 2026-08-07 · 3 obs

○ 2017-04-19 10:55:40
● 2026-03-16 11:59:48
● 2026-08-07 18:29:18

●MXmx1.cornells.us2026-03-16 → 2026-08-07 · 3 obs

○ 2017-04-19 10:55:40
● 2026-03-16 11:59:48
● 2026-08-07 18:29:18

○A70.58.71.1152015-08-31 → 2017-04-19 · 4 obs

● 2015-08-31 21:09:20
● 2017-04-19 10:55:40
○ 2026-03-16 11:59:48
○ 2026-08-07 18:29:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	m.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...	-
cornells.us	ns3.mydyndns.org, ns2.mydyndns.org, ns5.mydyndns.org, ns4.mydyndns.org...	-

✅ Authoritative Response

Server:108.59.166.201

NS records: ns3.mydyndns.org, ns2.mydyndns.org, ns5.mydyndns.org, ns4.mydyndns.org, ns1.mydyndns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cornells.us (unsigned zone)

⏱️ Timing

Total: 1082ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1159.dns.dyn.com, ns4197.dns.dyn.com...`
MX	2	`Mx1.cornells.us (pri: 20), Mail.cornells.us (pri: 10)`
SOA	1	`ns1.mydyndns.org zone-admin.dyndns.com`

Analysis

Hierarchy

cornells.us serves as the parent of mx1.cornells.us and mail.cornells.us.

Name Servers

DNS for cornells.us is handled by 9 name servers: ns1.mydyndns.org, ns2.mydyndns.org, ns3.mydyndns.org and 6 others.

At least some of cornells.us's name servers are shared with other domains, for example ellis-it.com, smileawhiledental.com, ams-eng.com and two more.

These name servers tend to co-occur with ns4.mydyndns.org, ns5.mydyndns.org, ns2158.dns.dyn.com and 7 other name servers in the same DNS delegations.

Host names pointing to two IP addresses:

ns1.mydyndns.org has two IP addresses: 108.59.166.201 and 2600:2000:2100::c9.

ns2.mydyndns.org has two IP addresses: 108.59.168.201 and 2600:2000:2110::c9.

ns3.mydyndns.org has two IP addresses: 108.59.170.201 and 2600:2000:2120::c9.

ns4.mydyndns.org has two IP addresses: 108.59.172.201 and 2600:2000:2110::c9.

ns5.mydyndns.org has two IP addresses: 108.59.170.201 and 2600:2000:2120::c9.

ns1159.dns.dyn.com has two IP addresses: 108.59.166.201 and 2600:2000:2100::c9.

ns2158.dns.dyn.com has two IP addresses: 108.59.168.201 and 2600:2000:2110::c9.

ns3171.dns.dyn.com has two IP addresses: 108.59.170.201 and 2600:2000:2120::c9.

ns4197.dns.dyn.com has two IP addresses: 108.59.172.201 and 2600:2000:2130::c9.

Host names pointing to 2600:2000:2100::c9 IP addresses: ns1.mydyndns.org and ns1159.dns.dyn.com.

Host names pointing to 108.59.166.201 IP addresses: ns1.mydyndns.org and ns1159.dns.dyn.com.

Three host names point to 2600:2000:2110::c9: ns2.mydyndns.org, ns4.mydyndns.org and ns2158.dns.dyn.com.

Host names pointing to 108.59.168.201 IP addresses: ns2.mydyndns.org and ns2158.dns.dyn.com.

Three host names point to 2600:2000:2120::c9: ns3.mydyndns.org, ns5.mydyndns.org and ns3171.dns.dyn.com.

Three host names point to 108.59.170.201: ns3.mydyndns.org, ns5.mydyndns.org and ns3171.dns.dyn.com.

Host names pointing to 108.59.172.201 IP addresses: ns4.mydyndns.org and ns4197.dns.dyn.com.

Mail Servers

cornells.us uses two mail servers, mail.cornells.us and mx1.cornells.us.

Both mail.cornells.us and mx1.cornells.us have a single IP address, 70.58.71.115, and share it.

Host names pointing to 70.58.71.115 IP addresses: mail.cornells.us and mx1.cornells.us.