Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
servicefirstfire.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 16:15:37 UTC · ↺ Refresh
MX Hostnames
- mx1.intertune.com
- mx2.intertune.com
MX Priorities
- mx2.intertune.com: 0
- mx1.intertune.com: 0
A / AAAA Records
- 216.87.172.77 (no PTR)
Mail Server IPs
- 52.6.160.245 ↩ gw2.intertune.com
- 34.216.34.113 ↩ gw1.intertune.com
SOA Record
Raw SOA
ns75.worldnic.com namehost.worldnic.com 123062822 10800 3600 604800 3600
Primary NS (mname)
ns75.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
123062822
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns75.worldnic.com
ns76.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:23.111.142.130 include:intertune.com +a +mx ~all
📊 DNS lookups: 3/10
~ 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
2 records- google-site-verification=QH0NoegTArIdVKoPnONDfAv6Y8K0OSdvDvceC9JFhqw
- SPFv=spf1 ip4:23.111.142.130 include:intertune.com +a +mx ~all
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