Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
doublecheckincometax.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:25:53 UTC · ↺ Refresh
MX Hostnames
- mail.doublecheckincometax.com
MX Priorities
- mail.doublecheckincometax.com: 1
A / AAAA Records
- 3.168.122.121 ↩ server-3-168-122-121.jfk52.r.cloudfront.net
- 3.168.122.23 ↩ server-3-168-122-23.jfk52.r.cloudfront.net
- 3.168.122.115 ↩ server-3-168-122-115.jfk52.r.cloudfront.net
- 3.168.122.40 ↩ server-3-168-122-40.jfk52.r.cloudfront.net
Mail Server IPs
- 16.52.10.125 ↩ cp.stylla-web.ca
SOA Record
Raw SOA
ns-1521.awsdns-62.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1521.awsdns-62.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1898.awsdns-45.co.uk
ns-293.awsdns-36.com
ns-637.awsdns-15.net
ns-1521.awsdns-62.org
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:3.99.58.166 +a +mx +ip4:16.52.10.125 ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:3.99.58.166 +a +mx +ip4:16.52.10.125 ~all
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