`students.poly.edu`

DNSSEC	⚠️ Not signed
MX	`students-poly-edu.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c92c::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr04cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bl2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00201.inbound.protection.outlook.com`
		A	52.101.9.5^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-mn2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.11.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
TXT	`v=spf1 include:outlook.com include:spf.messaging.microsoft.com ~all`
TXT	`v=spf1 include:spf.protection.outlook.com -all`

`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	`apple-domain-verification=PKlpMMYuXje4V8l2`
	TXT	`v=spf1 include:spf.protection.outlook.com include:spf.ess.barracudanetworks.c...`
	SOA	`dns-vm-01.poly.edu`poly@edu serial=18957459

WOT: SAFE (93/100)
rank #34138 globally
rank #711 in the tld
WOT: SAFE (93/100)
📈 Tranco rank: #40,922

Subdomains

webmail.students.poly.edu

Same first word

Similar names

sunsetdt.com

stunteds.com

studnets.com

netstuds.com

netstuds.net

sstudent.com

sundtest.com

DNS History

2 records (1 active, 1 former)

○MX381212084.mail.outlook.com2015-05-05 → 2017-05-08 · 4 obs

● 2015-05-05 08:12:56
● 2017-05-08 05:39:24
○ 2026-03-23 07:03:22
○ 2026-03-23 07:03:24

●MXstudents-poly-edu.mail.protection.outlook.com2026-03-23 → 2026-03-23 · 3 obs

○ 2017-05-08 05:39:24
● 2026-03-23 07:03:22
● 2026-03-23 07:03:24

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:128.238.32.22

NS records: photon.poly.edu, gatekeeper.poly.edu, ns1.poly.edu, ns2.poly.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for poly.edu (unsigned zone)

⏱️ Timing

Total: 140ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`students-poly-edu.mail.protection.outloo`
TXT	2	`v=spf1 include:outlook.com include:spf., v=spf1 include:spf.protection.outlook.co`

📌 Glue Records Collected

Total: 4

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

Analysis

Hierarchy

The parent of webmail.students.poly.edu is students.poly.edu.

Mail Servers

The students-poly-edu.mail.protection.outlook.com mail server handles students.poly.edu.

students-poly-edu.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c92c::3, 2a01:111:f403:f902::, 2a01:111:f403:f908::1, 2a01:111:f403:f90f::1, 52.101.9.5, 52.101.9.11, 52.101.11.17 and 52.101.40.1.

students.poly.edu - robtex.com