openweb.nl

Valid Email Server
Domain Lookup › openweb.nl

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
openweb.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-09-23 02:54:57 UTC · ↺ Refresh

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MX Hostnames

  • openweb-nl.mail.protection.outlook.com

MX Priorities

  • openweb-nl.mail.protection.outlook.com: 0

A / AAAA Records

  • 104.21.8.45 (no PTR)
  • 172.67.156.213 (no PTR)
  • 2606:4700:3034::ac43:9cd5
  • 2606:4700:3037::6815:82d

Mail Server IPs

  • 52.101.73.155 ↩ mail-am7pr02cu00203.inbound.protection.outlook.com
  • 52.101.103.140 ↩ mail-miypr02cu00204.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.103.39 ↩ mail-miypr05cu00207.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::8 ↩ mail-miypr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c967::8 ↩ mail-cpjpr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca38::a ↩ mail-wa4pr05cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca3c::6 ↩ mail-zrxpr04cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA diva.ns.cloudflare.com dns.cloudflare.com 2413847709 10000 2400 604800 1800
Primary NS (mname)
diva.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2413847709
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

diva.ns.cloudflare.com
theo.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:carerix.net include:_spf.bullhornmail.com include:spf.exclaimer.net include:spf.ionbiz.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; adkim=s; aspf=r; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; ri=86401
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Strict
↳ Subdomain policy: reject

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

4 records
  • google-site-verification=rsaKfMBlKye6CQY2vImGR54EnCt_bpQPDv78-XoJbnk
  • slack-domain-verification=nx9olnd9rGIVKl9YBzs6ztEWcUtd79YsK2h1eiBz
  • SPFv=spf1 include:spf.protection.outlook.com include:servers.mcsv.net include:carerix.net include:_spf.bullhornmail.com include:spf.exclaimer.net include:spf.ionbiz.com -all
  • google-site-verification=JGljsInq0W05j9W5iUbFx30sRj4mtpoS6upoK8m3JeI
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