Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
semper-fi.ch
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 23:07:46 UTC · ↺ Refresh
MX Hostnames
- mail.protonmail.ch
- mailsec.protonmail.ch
MX Priorities
- mail.protonmail.ch: 10
- mailsec.protonmail.ch: 20
A / AAAA Records
- 80.74.159.100 ↩ zelda.hostorama.ch
Mail Server IPs
- 176.119.200.128 ↩ mail.protonmail.ch
- 185.205.70.128 ↩ mail.protonmail.ch
- 185.70.42.128 ↩ mail.protonmail.ch
- 185.70.42.129 ↩ mailsec.protonmail.ch
- 185.205.70.129 ↩ mailsec.protonmail.ch
- 176.119.200.129 ↩ mailsec.protonmail.ch
SOA Record
Raw SOA
ns1.zelda.metanet.ch info.semper-fi.ch 2025062510 10800 3600 604800 10800
Primary NS (mname)
ns1.zelda.metanet.ch
Admin Email (rname)
info@semper-fi.ch
Serial
2025062510
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns2.zelda.metanet.ch
ns1.zelda.metanet.ch
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.sui-inter.net include:_spf.protonmail.ch +mx +a ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; adkim=s; aspf=s
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
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
3 records- SPFv=spf1 include:_spf.sui-inter.net include:_spf.protonmail.ch +mx +a ~all
- protonmail-verification=fc3849cebf87edd7a6e69a956545ddfdec765b7c
- google-site-verification=bQNrKvp2LXs0G3Zjt_oYJfd7Xdi2GRQJYsnst2RcrCY
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