Domain Overview
DNS: ✓ 7d ago
Checker: ✓ 7d ago
zap2.nl
Yes
✓ Yes
Mailgun
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-26 06:13:27 UTC · ↺ Refresh
MX Hostnames
- mxb.mailgun.org
- mxa.mailgun.org
MX Priorities
- mxa.mailgun.org: 10
- mxb.mailgun.org: 10
A / AAAA Records
- 134.209.130.220 (no PTR)
Mail Server IPs
- 34.36.182.139 ↩ 139.182.36.34.bc.googleusercontent.com
- 34.149.254.5 ↩ 5.254.149.34.bc.googleusercontent.com
SOA Record
Raw SOA
ns0.transip.net hostmaster.transip.nl 2026020401 86400 1800 2419200 300
Primary NS (mname)
ns0.transip.net
Admin Email (rname)
hostmaster@transip.nl
Serial
2026020401
Refresh
86400s
Retry
1800s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns0.transip.net
ns1.transip.nl
ns2.transip.eu
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx include:mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 +a +mx include:mailgun.org ~all
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