Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gridd.nl
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 04:32:19 UTC · ↺ Refresh
MX Hostnames
- mxb-0064cf01.gslb.pphosted.com
- mxa-0064cf01.gslb.pphosted.com
MX Priorities
- mxb-0064cf01.gslb.pphosted.com: 0
- mxa-0064cf01.gslb.pphosted.com: 0
A / AAAA Records
- 162.159.134.42 (no PTR)
Mail Server IPs
- 143.55.149.169 ↩ mx08-0064cf01.pphosted.com
SOA Record
Raw SOA
nsauth1.introweb.nl postmaster.introweb.nl 2025011402 28800 7200 604800 86400
Primary NS (mname)
nsauth1.introweb.nl
Admin Email (rname)
postmaster@introweb.nl
Serial
2025011402
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
nsauth1.introweb.nl
nsauth2.introweb.nl
nsauth3.introweb.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.sendinblue.com ip4:66.159.232.64 ip4:143.55.149.169 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=none; rua=mailto:[email protected]!10m; ruf=mailto:[email protected]!10m; rf=afrf; pct=100; ri=86400
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]!10m
↳ Subdomain policy: none
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
mail._domainkey
k1._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- MS=ms92312981
- SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.sendinblue.com ip4:66.159.232.64 ip4:143.55.149.169 -all
- ca3-5a4c3e724c1a4f03bea72d636a7c1af1
- 8LdIbBnz6UDGAhz66QYUpHTatDUaIlJ1huD5hKJth7YVW4+LY9GrX8K9zFO+qx+KBcfv6QgJyJBp7r+chPd9Tg==
- ca3-08f6de2cc7dd4300a46707ea45cfbeab
- Sendinblue-code:71b13c76432fe83db6a36b4fe13647e7
- have-i-been-pwned-verification=dweb_kqintabg3f34kgsp2h1zvwcm
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