uu.nl

Valid Email Server

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
uu.nl
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-07-27 19:58:13 UTC · ↺ Refresh

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MX Hostnames

  • uu-nl.mail.protection.outlook.com

MX Priorities

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

A / AAAA Records

  • 83.217.76.86 ↩ 83.217.76.86.static.hosted.by.combell.com
  • 2a00:1c98:10:25::84 (no PTR)

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com

SOA Record

Raw SOA dns.uu.nl hostmaster.uu.nl 2014758311 3600 600 1209600 3600
Primary NS (mname)
dns.uu.nl
Admin Email (rname)
hostmaster@uu.nl
Serial
2014758311
Refresh
3600s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

azie.net.uu.nl
australie.net.uu.nl
ns1.zurich.surf.net
ns1.surfnet.nl

SPF Record

✓ Strict (-all)
v=spf1 ip4:131.211.14.0/24 ip4:145.0.1.0/24 ip4:195.169.13.0/24 ip6:2001:610:188:540::/64 ip4:131.211.31.135 ip4:131.211.194.8/30 ip4:145.101.112.2 ip6:2001:610:188:446:145:101:112:2 ip4:216.146.32.161/27 ip4:170.107.183.89 ip4:212.123.232.134 ip4:145.100.12.197 include:mailplus.nl include:mailswitch.nl include:spf.mandrillapp.com include:spf.protection.outlook.com include:spf.flowmailer.net ip4:131.174.59.196/30 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

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

21 records
  • brevo-code:af27a511cfadd67db014e628614c7404
  • pipo
  • bw=oqt3PIuXcjotJ6dvsl4A4bDskSdkcc56EiFM1AAAvZG3
  • mistral-domain-verification=4f9997f25fec87a7fa949b979b242e6c4eeb1c28
  • pardot997561=644046e4432766fb73dbc13a959693022e9e4bdeebddbd369e6a7603dc62aafa
  • google-site-verification=K3bIDuPg2RhRc-qYqyEau7MUnp3aN4oIM_6rWDe1M34
  • signrequest-domain-validation=40cdf51de7e51a3f84de9f6f8abd2a374aa3d89acb3d6927003fb52af7f022eb
  • MS=ms59510356
  • QTXhE9VligPDA5a2xw9zRjxg01lC8iPwj7ouX3LnksdJltyh26E0WnV/t78xAeBXBb+8OJoWhfRRCJETQcCA1Q==
  • atlassian-sending-domain-verification=72791b6c-e695-4116-8bbc-dd41675e5b98
  • HARICA-qgr0NyZthcl3PvsrBJ5
  • autodesk-domain-verification=RfCX8IHaalDkeE1T-2PE
  • WLgjk988Kp7Qba9XFltAfkL2Toa2uc3OdjwkPdG8qI4iNXGc14jtd3MM7kC70OPfYW0cWVz5mHMuv5jaMkWcQg==
  • v=easydus; cg=4b46d154-7e0f-4088-8f50-0a0638724512
  • SPFv=spf1 ip4:131.211.14.0/24 ip4:145.0.1.0/24 ip4:195.169.13.0/24 ip6:2001:610:188:540::/64 ip4:131.211.31.135 ip4:131.211.194.8/30 ip4:145.101.112.2 ip6:2001:610:188:446:145:101:112:2 ip4:216.146.32.161/27 ip4:170.107.183.89 ip4:212.123.232.134 ip4:145.100.12.197 include:mailplus.nl include:mailswitch.nl include:spf.mandrillapp.com include:spf.protection.outlook.com include:spf.flowmailer.net ip4:131.174.59.196/30 -all
  • cisco-ci-domain-verification=5842c46b62263bd02abd37a7754654a4dff107f06a2b66a8477e2cdc761505a8
  • adobe-idp-site-verification=1f7a24c74c7d57187943e2d4ec7adcd37d3725b9a3a7d5857dd41637da012a6b
  • atlassian-domain-verification=0iPg6zRItjFaaj30LVQ0AjAJ4N66NNbKdP5fnJ0H6Qg9optMLXJGhlkMR0Jqi/yO
  • faxination=fen44162647
  • 00D7Q000006uk9x=1TBQs00000007Sx
  • apple-domain-verification=wydMRl66PAsBwOVk
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