Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nsfa.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-23 07:24:03 UTC · ↺ Refresh
MX Hostnames
- mx2.mailchannels.net
- mx1.mailchannels.net
MX Priorities
- mx2.mailchannels.net: 0
- mx1.mailchannels.net: 0
A / AAAA Records
- 172.67.218.123 (no PTR)
- 104.21.53.201 (no PTR)
- 2606:4700:3037::6815:35c9 (no PTR)
- 2606:4700:3030::ac43:da7b (no PTR)
Mail Server IPs
- 18.236.29.166 ↩ ec2-18-236-29-166.us-west-2.compute.amazonaws.com
- 52.38.143.159 ↩ ec2-52-38-143-159.us-west-2.compute.amazonaws.com
SOA Record
Raw SOA
joan.ns.cloudflare.com dns.cloudflare.com 2398722074 10000 2400 604800 1800
Primary NS (mname)
joan.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398722074
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
marek.ns.cloudflare.com
joan.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 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
2 records- SPFv=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.net -all
- google-site-verification=RzYQQsTWCcU4i41BLvQOfVxJxjqWPbIsK6KMqfHKFDQ
Full email verification for nsfa.org
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