Domain Overview
DNS: ✓ 1d ago
Checker: ✓ 1d ago
ru.nl
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-07-27 19:58:22 UTC · ↺ Refresh
MX Hostnames
- ru-nl.m-v1.mx.microsoft
MX Priorities
- ru-nl.m-v1.mx.microsoft: 0
A / AAAA Records
- 131.174.78.60 ↩ rcsw.nl
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns3.ru.nl netmaster.ru.nl 2009552378 3600 360 604800 86400
Primary NS (mname)
ns3.ru.nl
Admin Email (rname)
netmaster@ru.nl
Serial
2009552378
Refresh
3600s
Retry
360s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns3.ru.nl
ns1.surfnet.nl
ns4.ru.nl
ns1.zurich.surf.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;adkim=r;aspf=r;fo=1;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo 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
17 records- sending_domain469931=a1cec05a37422f86eaac35edb52100b0346e866f27474a07f7ca867b78e55e14
- atlassian-domain-verification=5Cn5OZRbvE8o2BFCTuh1h3OsI7fIlbITmxCM3bT7JLc/BRQ1i7cxYJQM5gRXdhGZ
- cisco-ci-domain-verification=5b6d3b9b6b8ec2592d13429c415ed26778e6ca8c6bd9078511ac037b1353b81d
- d365mktkey=FffCw4fp3A1ZHCdERpWcTyjFUJtJ4S57qLebUFAdMDMx
- d365mktkey=XGnAIxRQCCLkJPJ86uCVFTnDUwSn2ndbxRAo6ySSwpUx
- knowbe4-site-verification=a38acc02e555fc59878a885c661e36ef
- atlassian-domain-verification=Qoi8aah4vKhyujDNzCPaIovYK0aQ13lVo2lQVp2BbKDwt9uX2FG9a0/2kR06nLs/
- MS=30C0AFAD43C669095DF6BA98606BBA3CBF203C4F
- d365mktkey=jvxUlCXg0oosqxeR9Ct52M4gPCYzFVmzElxRwUzwzGAx
- 00D0O000000qnzJ=1TBJy00000009xl
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- d365mktkey=dmCT8FfyOHyV4UsEqKIK7P99XxO932fLXlanuRklhMkx
- ZOOM_verify_uP1aZu8wR2-CHSmrBtCvTg
- paloaltonetworks-site-verification=93590266bb125bbf65c9c8fcf694442a4955a6a5b07094d6ee03d0ec4d7bff67
- HARICA-Vw9MiLhSzhis4oNuw1a
- Radboud University Nijmegen, The Netherlands
- MS=ms78416191
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