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DNS Report
cogentco.com
14 records across the types we query · 576ms · 2026-07-22 22:14 UTC · dns.pizza/lookup/cogentco.com
DNS Lookup
cogentco.com
Lookup
cogentco.com
576ms
2026-07-22 22:14 UTC
14 records
Registrar:
Hosting:
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DNS Records Assistant
· cogentco.com
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
38.100.128.10
AAAA
IPv6 Addresses
1 record
Copy
2001:550:1::cc01
MX
Mail Servers
1 record
Copy
cogentco-com.mail.protection.outlook.com
Prio 5
NS
Name Servers
2 records
Copy
auth2.dns.cogentco.com
cogentco.com stats
auth1.dns.cogentco.com
cogentco.com stats
TXT
Text Records
7 records
Copy
2btc923933rlmtmu3eie8bpc65
v=spf1 mx a:engtools.sys.cogentco.com a:mx1.cogentco.com a:mx2.cogentco.com a:mx3.cogentco.com a:mx4.cogentco.com a:mx5.cogentco.com ip6:2001:550:1:304::247 include:cvent-planner.com include:_spf.act-on.net ~all
ZOOM_verify_6LoiHccIcBeiFmEkJmfiR4
ifs3oocjo6h5920nr11c1325f9
cofnduj090qcu5jbup8c39bovo
cisco-ci-domain-verification=563e6ea9960b89d45e298278ab2c8f2ed5c7bea8277648dd997262491c1f4fd
adobe-idp-site-verification=f26b18445e54e1e7da0ebc2c299a9f1c63820cf9ab98c8be839829c2247503cc
SOA
Start of Authority
1 record
Copy
Primary NS
auth1.dns.cogentco.com
Hostmaster
dns.cogentco.com
Serial
2026060202
Refresh
10800s
Retry
3600s
Expire
604800s
Min TTL
43200s
CAA
Certificate Authority Authorization
(none)
PTR
Reverse DNS
1 record
Copy
38.100.128.10
cogentco.com