Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
firstky.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 20:50:41 UTC · ↺ Refresh
MX Hostnames
- firstky.com.1.0001.arsmtp.com
- firstky.com.2.0001.arsmtp.com
MX Priorities
- firstky.com.2.0001.arsmtp.com: 20
- firstky.com.1.0001.arsmtp.com: 10
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 8.19.118.155 ↩ encrypt201.appriver.com
- 8.31.233.184 ↩ encrypt200.appriver.com
SOA Record
Raw SOA
ns37.worldnic.com namehost.worldnic.com 125111216 10800 3600 604800 3600
Primary NS (mname)
ns37.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125111216
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns37.worldnic.com
ns38.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:firstky-com.spf.smtp25.com include:amazonses.com include:sendgrid.net a:mail.firstky.com ip4:208.81.212.0/22 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms19334692
- sexUCknAeF6UU7yQLAlDGQ==
- qoacr4lno6q1uvntmp5tmrhf5j
- SPFv=spf1 include:spf.protection.outlook.com include:firstky-com.spf.smtp25.com include:amazonses.com include:sendgrid.net a:mail.firstky.com ip4:208.81.212.0/22 -all
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