🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`math.webwork.rochester.edu`

DNSSEC	⚠️ Not signed
A	128.151.152.21^{🇺🇸 UR128.151.0.0/16 University of Rochester}
		PTR	`its-webwork-up03.its.rochester.edu`

`webwork.rochester.edu`

	DNSSEC	⚠️ Not signed
	NS	`ns1.net.rochester.edu` ⭐
	NS	`ns-external1.rochester.edu` ⚠️ Not in parent delegation
	NS	`ns-external2.rochester.edu` ⚠️ Not in parent delegation
	SOA	`ns1.net.rochester.edu`postmaster@rochester.edu 2010-11-22 #42

WOT: SAFE (75/100)
WOT: SAFE (93/100)

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Next names

DNS History

2 records (1 active, 1 former)

●A128.151.152.212017-07-09 → 2026-10-15 · 3 obs

○ 2016-12-14 19:53:14
● 2017-07-09 22:00:44
● 2026-10-15 23:58:20

○A128.151.77.952015-08-31 → 2016-12-14 · 4 obs

● 2015-08-31 16:36:18
● 2016-12-14 19:53:14
○ 2017-07-09 22:00:44
○ 2026-10-15 23:58:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	a.edu-servers.net, b.edu-servers.net, c.edu-servers.net, d.edu-servers.net...	-
rochester.edu	ns-external1.rochester.edu, ns-external2.rochester.edu	2 records

✅ Authoritative Response

Server:128.151.2.17

NS records: ns-external1.rochester.edu, ns-external2.rochester.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rochester.edu (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`128.151.152.21`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns-external1.rochester.edu, ns-external2.rochester.edu)

Analysis

IP Addresses

math.webwork.rochester.edu resolves to one IP address: 128.151.152.21.

its-webwork-up03.its.rochester.edu, for instance, is one of the other host names sharing IP numbers with math.webwork.rochester.edu.

math.webwork.rochester.edu - robtex.com