Domain Overview
DNS: ✓ 17h ago
Checker: ✓ 17h ago
calceus.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 18:36:56 UTC · ↺ Refresh
MX Hostnames
- mx.ictteamwork.nl
- mx.ictteamwork.com
- mx.ictteamwork.eu
MX Priorities
- mx.ictteamwork.eu: 30
- mx.ictteamwork.nl: 10
- mx.ictteamwork.com: 20
A / AAAA Records
- 109.200.196.148 ↩ .
Mail Server IPs
- 194.110.221.40 ↩ antispam01.ictteamwork.nl
- 2a00:7c80::79:0:0:0:aaaa ↩ antispam02.ictteamwork.nl
- 2a01:ff00:1:1::1 ↩ antispam01.ictteamwork.nl
- 185.183.32.181 ↩ antispam02.ictteamwork.nl
SOA Record
Raw SOA
ns3.firstfind.nl hostmaster.firstfind.nl 2026051401 16384 2048 1048576 14400
Primary NS (mname)
ns3.firstfind.nl
Admin Email (rname)
hostmaster@firstfind.nl
Serial
2026051401
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
14400s
Nameservers (NS)
ns5.firstfind.net
ns3.firstfind.nl
ns4.firstfind.nl
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.yourfilter.nl mx a include:spf.ictteamwork.nl ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 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
1 record- SPFv=spf1 include:_spf.yourfilter.nl mx a include:spf.ictteamwork.nl ~all
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