Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
upperspace.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 07:55:16 UTC · ↺ Refresh
MX Hostnames
- mx1c28.carrierzone.com
MX Priorities
- mx1c28.carrierzone.com: 10
A / AAAA Records
- 54.71.103.102 ↩ ec2-54-71-103-102.us-west-2.compute.amazonaws.com
Mail Server IPs
- 66.226.70.78 ↩ mx1c28.carrierzone.com
SOA Record
Raw SOA
ns1.risebroadband.com hostmaster.airmail.net 1519073624 16384 2048 1048576 2560
Primary NS (mname)
ns1.risebroadband.com
Admin Email (rname)
hostmaster@airmail.net
Serial
1519073624
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
ns1.risebroadband.com
ns2.risebroadband.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spfc28.carrierzone.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spfc28.carrierzone.com ~all
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