Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstsun.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 23:35:14 UTC · ↺ Refresh
MX Hostnames
- lastmx.spamexperts.net
- fallbackmx.spamexperts.eu
- mx.spamexperts.com
MX Priorities
- lastmx.spamexperts.net: 30
- fallbackmx.spamexperts.eu: 20
- mx.spamexperts.com: 10
A / AAAA Records
- 108.179.229.150
Mail Server IPs
- 154.59.104.23 ↩ fe2-r3-in.ams14.l.antispamcloud.com
- 149.13.75.27 ↩ fe1-r3-in.fra02.l.antispamcloud.com
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 2001:978:2:7::162:100 ↩ fe1-r3-in.fra02.l.antispamcloud.com
- 2001:978:2:2c::137:100 ↩ fe2-r3-in.ams14.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
SOA Record
Raw SOA
ns1.bluehost.com root.cs350.bluehost.com 2025031103 86400 7200 3600000 300
Primary NS (mname)
ns1.bluehost.com
Admin Email (rname)
root@cs350.bluehost.com
Serial
2025031103
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
300s
Nameservers (NS)
ns2.bluehost.com
ns1.bluehost.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:162.241.173.251 +include:spf.websitewelcome.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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 +a +mx +ip4:162.241.173.251 +include:spf.websitewelcome.com ~all
Full email verification for firstsun.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits