Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
primerfp.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 17:58:33 UTC · ↺ Refresh
MX Hostnames
- mailsec.protonmail.ch
- mail.protonmail.ch
MX Priorities
- mailsec.protonmail.ch: 20
- mail.protonmail.ch: 10
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 185.70.42.129 ↩ mailsec.protonmail.ch
- 185.205.70.129 ↩ mailsec.protonmail.ch
- 176.119.200.129 ↩ mailsec.protonmail.ch
- 185.205.70.128 ↩ mail.protonmail.ch
- 185.70.42.128 ↩ mail.protonmail.ch
- 176.119.200.128 ↩ mail.protonmail.ch
SOA Record
Raw SOA
ns-cloud-c1.googledomains.com cloud-dns-hostmaster.google.com 26 21600 3600 259200 300
Primary NS (mname)
ns-cloud-c1.googledomains.com
Admin Email (rname)
cloud-dns-hostmaster@google.com
Serial
26
Refresh
21600s
Retry
3600s
Expire
259200s
Minimum TTL
300s
Nameservers (NS)
ns-cloud-c1.googledomains.com
ns-cloud-c3.googledomains.com
ns-cloud-c4.googledomains.com
ns-cloud-c2.googledomains.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:_spf.protonmail.ch ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- protonmail-verification=e61c54f126df31261e1295b109bd91486170e164
- google-site-verification=X3IJr9fTclZbduV5OR3EPewEzguaFBm42DEtrwpu75o
- notion-domain-verification=WXSnJlYunOmTztuMoBOfEXuZN9WQCtrDlP5psBYjdQp
- SPFv=spf1 mx include:_spf.protonmail.ch ~all
Full email verification for primerfp.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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