`potomacreview.org`

DNSSEC	⚠️ Not signed
A	20.72.178.4^{🇺🇸 Microsoft20.64.0.0/10}
NS	`ns2.montgomerycollege.edu` ⭐
		A	160.253.129.245^{🇺🇸 MONTGOMERY-COLLEGE-AS1160.253.128.0/18 Central Services 9221 Corporate Blvd Rockville MD 20850 United States}
			PTR	`ns2.montgomerycollege.edu`
NS	`ns1.montgomerycollege.edu`
		A	160.253.3.245^{🇺🇸 MONTGOMERY-COLLEGE-AS1160.253.0.0/18 Central Services 9221 Corporate Blvd Rockville MD 20850 United States}
			PTR	`ns1.montgomerycollege.edu`
NS	`ns4.montgomerycollege.edu` ⚠️ Not in parent delegation
		A	160.253.67.245^{🇺🇸 MONTGOMERY-COLLEGE-AS1160.253.64.0/18 Central Services 9221 Corporate Blvd Rockville MD 20850 United States}
			PTR	`ns4.montgomerycollege.edu`
NS	`vns5.montgomerycollege.edu` ⚠️ Not in parent delegation
		A	20.121.189.200^{🇺🇸 Microsoft20.64.0.0/10}
SOA	`ns2.montgomerycollege.edu`dnsadmin@montgomerycollege.edu serial=30

`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=1774489186

Same first word

potomacreview.org

DNS History

8 records (5 active, 3 former)

●NSns1.montgomerycollege.edu2015-08-21 → 2026-03-26 · 2 obs

● 2015-08-21 05:31:32
● 2026-03-26 02:19:58

●NSns2.montgomerycollege.edu2015-08-21 → 2026-03-26 · 2 obs

● 2015-08-21 05:31:32
● 2026-03-26 02:19:58

○NSns3.montgomerycollege.edu2016-04-03 → 2016-12-07 · 5 obs

○ 2015-08-21 05:31:32
● 2016-04-03 23:52:02
● 2016-12-07 16:54:14
○ 2026-03-26 02:19:56
○ 2026-03-26 02:19:58

●NSns4.montgomerycollege.edu2026-03-26 → 2026-03-26 · 3 obs

○ 2016-12-07 16:54:14
● 2026-03-26 02:19:56
● 2026-03-26 02:19:58

○NSrv-gm.montgomerycollege.edu2015-08-21 → 2016-12-07 · 4 obs

● 2015-08-21 05:31:32
● 2016-12-07 16:54:14
○ 2026-03-26 02:19:56
○ 2026-03-26 02:19:58

●NSvns5.montgomerycollege.edu2026-03-26 → 2026-03-26 · 3 obs

○ 2016-12-07 16:54:14
● 2026-03-26 02:19:56
● 2026-03-26 02:19:58

○A160.253.129.262015-08-21 → 2016-12-07 · 4 obs

● 2015-08-21 05:31:32
● 2016-12-07 16:54:14
○ 2026-03-26 02:19:56
○ 2026-03-26 02:19:58

●A20.72.178.42026-03-26 → 2026-03-26 · 3 obs

○ 2016-12-07 16:54:14
● 2026-03-26 02:19:56
● 2026-03-26 02:19:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org	-
potomacreview.org	ns1.montgomerycollege.edu, ns2.montgomerycollege.edu	-

✅ Authoritative Response

Server:160.253.3.245

NS records: ns1.montgomerycollege.edu, ns2.montgomerycollege.edu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for potomacreview.org (unsigned zone)

⏱️ Timing

Total: 4426ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.72.178.4`
NS	4	`ns4.montgomerycollege.edu, ns1.montgomerycollege.edu...`
SOA	1	`ns2.montgomerycollege.edu dnsadmin.montg`

Analysis

IP Addresses

potomacreview.org points to IP number 20.72.178.4.

For instance, other host names eradiowmcr.com, www.macklin.org, www.montgomerycollege.edu, www.mcinfonet.org and macklin.org share IP numbers with potomacreview.org.

Name Servers

potomacreview.org is delegated to four name servers: ns1.montgomerycollege.edu, ns2.montgomerycollege.edu, ns4.montgomerycollege.edu and vns5.montgomerycollege.edu.

potomacreview.org shares name servers with other domains at least partially, for instance mclibrary.org, montgomerycollege.edu and 253.160.in-addr.arpa.

These name servers are commonly used with ns3.montgomerycollege.edu.

Host names with a single IP:

ns1.montgomerycollege.edu points to 160.253.3.245

ns2.montgomerycollege.edu points to 160.253.129.245

ns4.montgomerycollege.edu points to 160.253.67.245

vns5.montgomerycollege.edu points to 20.121.189.200

potomacreview.org - robtex.com