cpsbestpractice.net - robtex.com

cpsbestpractice.net

DNSSEC⚠️ Not signed
A3.130.223.75🇺🇸 Amazon3.130.0.0/16 EC2 CMH prefix
PTRec2-3-130-223-75.us-east-2.compute.amazonaws.com
A3.139.242.0🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix
A3.140.42.194🇺🇸 Amazon3.136.0.0/13 EC2 CMH prefix
NSadonis10-2022.umnet.umich.edu ⭐
A141.211.147.213🇺🇸 AS36375141.211.0.0/16
PTRadonis10-2022.umnet.umich.edu
NScffw1.dns.umich.com ⚠️ Not in zone NS records
A192.12.80.214🇺🇸 AS36375192.12.80.0/24
PTRns-bin-arbl-1-2022.umnet.umich.edu
NScffw2.dns.umich.net ⚠️ Not in zone NS records
A192.12.80.222🇺🇸 AS36375192.12.80.0/24
PTRns-bin-seb-1-2022.umnet.umich.edu
NSdns1.itd.umich.edu ⚠️ Not in parent delegation
A2607:f018:fffd:53::2🇺🇸 AS363752607:f018::/32
PTRns-bin-arbl-1-2022.umnet.umich.edu
A192.12.80.214🇺🇸 AS36375192.12.80.0/24
PTRns-bin-arbl-1-2022.umnet.umich.edu
NSdns2.itd.umich.edu ⚠️ Not in parent delegation
A2607:f018:fffd:53::12🇺🇸 AS363752607:f018::/32
PTRns-bin-seb-1-2022.umnet.umich.edu
A192.12.80.222🇺🇸 AS36375192.12.80.0/24
PTRns-bin-seb-1-2022.umnet.umich.edu
NSdns3.umich.org ⚠️ Not in parent delegation
A18.233.1.143🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix
PTRec2-18-233-1-143.compute-1.amazonaws.com
NSdns4.umich.org ⚠️ Not in parent delegation
A3.224.111.90🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix
PTRec2-3-224-111-90.compute-1.amazonaws.com
SOAadonis10-2022.umnet.umich.eduhostmaster@umich.edu serial=774266117

net

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291465

Same first word

cpsbestpractice.com
cpsbestpractice.net

DNS History

15 records (10 active, 5 former)

20162017201820192020202120222023202420252026NSadonis10-2022.umnet.umich.educffw1.dns.umich.comcffw2.dns.umich.netdns1.itd.umich.edudns2.itd.umich.edudns3.umich.orgdns4.umich.orgns63.domaincontrol.comns64.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA3.130.223.753.139.242.03.140.42.19450.63.202.9
●NSadonis10-2022.umnet.umich.edu2026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
●NScffw1.dns.umich.com2026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
●NScffw2.dns.umich.net2026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
●NSdns1.itd.umich.edu2026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
●NSdns2.itd.umich.edu2026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
●NSdns3.umich.org2026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
●NSdns4.umich.org2026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
○NSns63.domaincontrol.com2015-06-01 → 2017-07-08 · 4 obs
● 2015-06-01 12:58:02
● 2017-07-08 15:16:54
○ 2026-03-18 13:47:44
○ 2026-03-21 09:08:08
○NSns64.domaincontrol.com2015-06-01 → 2017-07-08 · 4 obs
● 2015-06-01 12:58:02
● 2017-07-08 15:16:54
○ 2026-03-18 13:47:44
○ 2026-03-21 09:08:08
○MXmailstore1.secureserver.net2015-06-01 → 2017-07-08 · 4 obs
● 2015-06-01 12:58:02
● 2017-07-08 15:16:54
○ 2026-03-18 13:47:44
○ 2026-03-21 09:08:08
○MXsmtp.secureserver.net2015-06-01 → 2017-07-08 · 4 obs
● 2015-06-01 12:58:02
● 2017-07-08 15:16:54
○ 2026-03-18 13:47:44
○ 2026-03-21 09:08:08
●A3.130.223.752026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
●A3.139.242.02026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
●A3.140.42.1942026-03-18 → 2026-03-21 · 3 obs
○ 2017-07-08 15:16:54
● 2026-03-18 13:47:44
● 2026-03-21 09:08:08
○A50.63.202.92015-06-01 → 2017-07-08 · 4 obs
● 2015-06-01 12:58:02
● 2017-07-08 15:16:54
○ 2026-03-18 13:47:44
○ 2026-03-21 09:08:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netm.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net...-
cpsbestpractice.netcffw1.dns.umich.com, cffw2.dns.umich.net2 records

✅ Authoritative Response

Server: 192.12.80.222

NS records: cffw1.dns.umich.com, cffw2.dns.umich.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpsbestpractice.net (unsigned zone)

⏱️ Timing

Total: 728ms | Queries: -

📄 Records

TypeCountSample Data
A33.139.242.0, 3.130.223.75...
NS4dns3.umich.org, dns1.itd.umich.edu...
SOA1adonis10-2022.umnet.umich.edu hostmaster

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (cffw2.dns.umich.net, cffw2.dns.umich.net)

Analysis

IP Addresses

cpsbestpractice.net points to three IPs: 3.130.223.75, 3.139.242.0 and 3.140.42.194.

other host names including goblue.com, precisionhealth.umich.edu, adolescent-health.com, finops.umich.edu and ec2-3-130-223-75.us-east-2.compute.amazonaws.com share IP numbers with cpsbestpractice.net.

Name Servers

cpsbestpractice.net is delegated to seven name servers: dns3.umich.org, dns4.umich.org, cffw1.dns.umich.com, dns1.itd.umich.edu, dns2.itd.umich.edu, adonis10-2022.umnet.umich.edu and cffw2.dns.umich.net.

cpsbestpractice.net at least partially shares name servers with other domains, for instance ummnh.lsa.umich.edu, michiganenglish.com, govrel.umich.edu, 145.211.141.in-addr.arpa and 0-25.146.211.141.in-addr.arpa.

these name servers are commonly used alongside bdds-umd-fcn-2024.its.umd.umich.edu.

Host names with two IP numbers:

dns1.itd.umich.edu points to: 2607:f018:fffd:53::2 and 192.12.80.214.

dns2.itd.umich.edu points to: 2607:f018:fffd:53::12 and 192.12.80.222.

Host names with one IP number:

dns3.umich.org points to: 18.233.1.143.

dns4.umich.org points to: 3.224.111.90.

cffw1.dns.umich.com points to: 192.12.80.214.

adonis10-2022.umnet.umich.edu points to: 141.211.147.213.

cffw2.dns.umich.net points to: 192.12.80.222.

Host names that point to 192.12.80.214: dns1.itd.umich.edu and cffw1.dns.umich.com.

Host names that point to 192.12.80.222: dns2.itd.umich.edu and cffw2.dns.umich.net.