Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
boltinternet.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 06:06:24 UTC · ↺ Refresh
MX Hostnames
- mail.boltinternet.com
MX Priorities
- mail.boltinternet.com: 0
A / AAAA Records
- 23.165.16.6 ↩ mail.boltinternet.com
Mail Server IPs
- 23.165.16.6 ↩ mail.boltinternet.com
SOA Record
Raw SOA
ns1.boltinternet.com netops.boltinternet.com 2025101602 3600 300 3600 3600
Primary NS (mname)
ns1.boltinternet.com
Admin Email (rname)
netops@boltinternet.com
Serial
2025101602
Refresh
3600s
Retry
300s
Expire
3600s
Minimum TTL
3600s
Nameservers (NS)
ns2.boltinternet.com
ns3.boltinternet.com
ns1.boltinternet.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:23.165.16.0/27 ip4:209.181.187.252 ip4:136.175.164.2 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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- MS=8272FE58AA5BD6471F37791E4ED2A2D6FAA377FC
- SPFv=spf1 ip4:23.165.16.0/27 ip4:209.181.187.252 ip4:136.175.164.2 -all
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