THE RECORDS BEHIND THE NAME
DNS lookup.
Explore resource records, mail routing and reverse DNS.
Public IPs automatically use PTR. Common records queries A, AAAA, MX, NS, CNAME, TXT, SOA and CAA separately.
Querying DNS records…
DNS
20 answer recordsironport.com
ANOERRORAD noResponse from 193.108.91.109.
AAAANOERROR · no answersAD noResponse from 193.108.91.109.
MXNOERRORAD noResponse from 193.108.91.11.
NSNOERRORAD noResponse from 2600:1401:2::5d.
CNAMENOERROR · no answersAD noResponse from 72.246.46.64.
TXTNOERRORAD noResponse from 2600:1401:2::5a.
SOANOERRORAD noResponse from 193.108.91.109.
CAANOERROR · no answersAD noResponse from 2600:1401:2::5a.
AD indicates that the resolver reports DNSSEC-validated data. “AD no” can also mean the zone is unsigned. NXDOMAIN is a DNS result, not a domain-availability check.
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| A | ironport.com | 20 | 104.110.191.163 | IP WHOIS → |
| A | ironport.com | 20 | 104.110.191.132 | IP WHOIS → |
| MX | ironport.com | 300 | 10 mx4.sco.cisco.com. | DNS → |
| MX | ironport.com | 300 | 10 mx1.sco.cisco.com. | DNS → |
| MX | ironport.com | 300 | 10 mx3.sco.cisco.com. | DNS → |
| MX | ironport.com | 300 | 10 mx2.sco.cisco.com. | DNS → |
| NS | ironport.com | 21600 | ns1-93.akam.net. | DNS → |
| NS | ironport.com | 21600 | ns1-90.akam.net. | DNS → |
| NS | ironport.com | 21600 | asia3.akam.net. | DNS → |
| NS | ironport.com | 21600 | ns1-11.akam.net. | DNS → |
| NS | ironport.com | 21600 | ns1-73.akam.net. | DNS → |
| NS | ironport.com | 21600 | ns1-117.akam.net. | DNS → |
| NS | ironport.com | 21600 | use1.akam.net. | DNS → |
| NS | ironport.com | 21600 | ns1-109.akam.net. | DNS → |
| TXT | ironport.com | 3600 | v=spf1 ip4:184.94.240.112/28 ip4:204.15.80.0/22 ip4:74.201.90.0/28 ip4:63.251.108.100/28 ip4:216.154.195.32/27 ip4:206.186.129.0/25 ip4:208.90.57.0/24 ip4:63.82.2.35 mx:res.cisco.com include:_p.ironport.com include:_q.ironport.com include:cisco.com ~all | — |
| TXT | ironport.com | 3600 | t2kbx79hbpllgdd1702xtwg1krwd5m6z | — |
| TXT | ironport.com | 3600 | _lp26tocoyde2i8x2r05bih02wwme12a | — |
| TXT | ironport.com | 3600 | identrust_validate=IE3PBHpqpxvVwBJbqlUwXA8zgGGqLHKQZETcZj74D6N/ | — |
| TXT | ironport.com | 3600 | 293bxd93973r0bpslmyp9fkzgxjfy1q2 | — |
| SOA | ironport.com | 3600 | ns1-93.akam.net. stbu-hostmaster.cisco.com. 2026091502 14400 900 2419200 3600 | — |
Authority records · 1
| Type | Name | TTL · seconds | Value | Look up |
|---|---|---|---|---|
| SOA | ironport.com | 1800 | ns1-93.akam.net. stbu-hostmaster.cisco.com. 2026091502 14400 900 2419200 3600 | — |
Queries are sent to Google Public DNS over HTTPS. Results reflect its public DNS view and cache; they may differ from your local network. TXT strings retain their DNS quoting. Common records does not enumerate every name or record in a zone.