Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ad-sum.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 15:50:55 UTC · ↺ Refresh
MX Hostnames
- mta-gw.infomaniak.ch
MX Priorities
- mta-gw.infomaniak.ch: 5
A / AAAA Records
- 83.166.138.211 ↩ od-db0f09.infomaniak.ch
- 2001:1600:13:102:f816:3eff:fedf:5885 ↩ od-db0f09.infomaniak.ch
Mail Server IPs
- 83.166.143.58 ↩ mx02.infomaniak.ch
- 83.166.143.57 ↩ mx01.infomaniak.ch
- 2001:1600::aaaa:0:0:1:3 ↩ mx01.infomaniak.ch
- 2001:1600::aaaa:0:0:1:4 ↩ mx02.infomaniak.ch
SOA Record
Raw SOA
amanda.ns.cloudflare.com dns.cloudflare.com 2398366104 10000 2400 604800 1800
Primary NS (mname)
amanda.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398366104
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
amanda.ns.cloudflare.com
vin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.infomaniak.ch include:_spf.google.com +a +mx +ip4:83.166.138.211 -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; pct=100; adkim=s; aspf=s rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.infomaniak.ch include:_spf.google.com +a +mx +ip4:83.166.138.211 -all
- google-site-verification=VX34UpOP0WP-IIPgMBhehoo2Ppr5RoUCXZg-B95WJ7E
- google-site-verification=YrrqEavBG3FpCepwUuEY7y9F7gDiPQ-bk8rdMFy0TEg
Full email verification for ad-sum.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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