`echo.poly.edu`

DNSSEC	⚠️ Not signed
NS	`dns-vm-02.poly.edu` ⭐
		A	128.238.1.87^{🇺🇸 AS54965128.238.0.0/16 Polytechnic Institute of NYU}
			PTR	`dns-vm-02.poly.edu`
SOA	`dns-vm-02.poly.edu`hostmaster@poly.edu serial=57

`poly.edu`

	DNSSEC	⚠️ Not signed
	A	35.172.89.115^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
	A	128.238.1.62^{🇺🇸 AS54965128.238.0.0/16 Polytechnic Institute of NYU}
	A	128.238.1.63^{🇺🇸 AS54965128.238.0.0/16 Polytechnic Institute of NYU}
	A	128.238.1.68^{🇺🇸 AS54965128.238.0.0/16 Polytechnic Institute of NYU}
	A	128.238.1.69^{🇺🇸 AS54965128.238.0.0/16 Polytechnic Institute of NYU}
	A	128.238.111.62^{🇺🇸 AS54965128.238.0.0/16 Polytechnic Institute of NYU}
	NS	`dns-vm-01.poly.edu` ⭐ ⚠️ Not in parent delegation
	NS	`gatekeeper.poly.edu`
	NS	`ns1.poly.edu`
	NS	`ns2.poly.edu`
	NS	`photon.poly.edu`
	NS	`poly-ad-vm-01.poly.edu` ⚠️ Not in parent delegation
	NS	`poly-ad-vm-02.poly.edu` ⚠️ Not in parent delegation
	NS	`poly-addr-vm-01.poly.edu` ⚠️ Not in parent delegation
	NS	`wins-vm-01.poly.edu` ⚠️ Not in parent delegation
	MX	`d285629a.ess.barracudanetworks.com` ⭐
	MX	`d285629b.ess.barracudanetworks.com`⁽¹⁵⁾
	MX	`poly-edu.mail.protection.outlook.com`⁽²⁰⁾
	TXT	`v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.c...`
	TXT	`apple-domain-verification=PKlpMMYuXje4V8l2`
	SOA	`dns-vm-01.poly.edu`poly@edu serial=18957867

WOT: SAFE (93/100)
rank #34138 globally
rank #711 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #40,860

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DNS History

1 record (1 active, 0 former)

●NSdns-vm-02.poly.edu2015-05-18 → 2026-03-23 · 2 obs

● 2015-05-18 16:11:46
● 2026-03-23 20:51:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	26 records
poly.edu	photon.poly.edu, gatekeeper.poly.edu, ns1.poly.edu, ns2.poly.edu	4 records
echo.poly.edu	dns-vm-02.poly.edu	-

✅ Authoritative Response

Server:128.238.1.87

NS records: dns-vm-02.poly.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for poly.edu (unsigned zone)

⏱️ Timing

Total: 273ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	1	`dns-vm-02.poly.edu`
SOA	1	`dns-vm-02.poly.edu hostmaster.poly.edu`

📌 Glue Records Collected

Total: 30

In-bailiwick: 4 (photon.poly.edu, gatekeeper.poly.edu, ns1.poly.edu...)

Out-of-bailiwick: 26 (a.edu-servers.net, a.edu-servers.net, b.edu-servers.net...)

Analysis

Name Servers

A single name server, dns-vm-02.poly.edu, handles the delegation for echo.poly.edu.

echo.poly.edu shares the same name server setup as other domains, including databases.poly.edu, dshield.poly.edu, researcher.poly.edu, amsterdam.poly.edu and innovation.poly.edu.

dns-vm-02.poly.edu points to a single IP: 128.238.1.87.

echo.poly.edu - robtex.com

echo.poly.edu

poly.edu