thielco.nl

Valid Email Server
Domain Lookup › thielco.nl

Domain Overview

DNS: ✓ 20d ago Checker: ✓ 20d ago
thielco.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 11:48:40 UTC · ↺ Refresh

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MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 20
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 217.194.102.35 ↩ 217.194.102.35.bravohost.ux.is.nl

Mail Server IPs

  • 18.184.180.136 ↩ ec2-18-184-180-136.eu-central-1.compute.amazonaws.com
  • 52.59.20.19 ↩ ec2-52-59-20-19.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns.systemec.nl postmaster.thielco.nl 2026052003 28800 7200 604800 3600
Primary NS (mname)
ns.systemec.nl
Admin Email (rname)
postmaster@thielco.nl
Serial
2026052003
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns4.systemec.nl
ns.systemec.nl
ns2.systemec.nl
ns3.systemec.nl

SPF Record

✓ Strict (-all)
v=spf1 mx include:_spf.systemec.nl include:_spf_eucentral1.prod.hydra.sophos.com ip4:5.100.226.177/28 ip4:217.194.102.4/26 ip6:2001:9a0:5036:1::1/122 -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → none

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • MS=ms66530576
  • google-site-verification=fqaU5P54H7Rzjoj0OSq3h99XJMONWRl0A2l17bavuo4
  • SPFv=spf1 mx include:_spf.systemec.nl include:_spf_eucentral1.prod.hydra.sophos.com ip4:5.100.226.177/28 ip4:217.194.102.4/26 ip6:2001:9a0:5036:1::1/122 -all
  • brevo-code:7bf18389951b93fcc317506c18a49e30
  • sophos-domain-verification=98dc202b7e9ca88f2756f97d2248fd894dc329d7
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