dns
.pizza
Tools
Monitors
Pricing
Learn
Research
Quick search
⌘K
Monitor a site
Sign In
Lookup
DNS.pizza
DNS Report
mail.colorado.edu
4 records across the types we query · 349ms · 2026-11-03 04:57 UTC · dns.pizza/lookup/mail.colorado.edu
DNS Lookup
mail.colorado.edu
Lookup
mail.colorado.edu
349ms
2026-11-03 04:57 UTC
4 records
Registrar:
Hosting:
More tools:
Domain Report
WHOIS
Propagation
Security
DNSSEC
Email Auth
Deliverability
Speed Test
Blacklist
Threats
Download
Visit Site
Monitor
DNS Records Assistant
· mail.colorado.edu
Ask anything about these results — or pick a starter question below.
Explain what each record type does
Anything unusual or misconfigured?
How is this domain's email set up?
A
IPv4 Addresses
1 record
Copy
136.147.129.27
AAAA
IPv6 Addresses
(none)
MX
Mail Servers
1 record
Copy
inbound-reply.s7.exacttarget.com
Prio 10
NS
Name Servers
(none)
TXT
Text Records
1 record
Copy
v=spf1 include:cust-spf.exacttarget.com -all
SOA
Start of Authority
(none)
CAA
Certificate Authority Authorization
(none)
PTR
Reverse DNS
1 record
Copy
136.147.129.27
ck27.mta.exacttarget.com