Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dkms-lab.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 20:15:23 UTC · ↺ Refresh
MX Hostnames
- dkmslab-de01b.mail.eo.outlook.com
MX Priorities
- dkmslab-de01b.mail.eo.outlook.com: 10
A / AAAA Records
- 217.18.191.121 (no PTR)
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.isd-internet.de domain.isd-internet.de 2026020501 28800 3600 604800 3600
Primary NS (mname)
ns0.isd-internet.de
Admin Email (rname)
domain@isd-internet.de
Serial
2026020501
Refresh
28800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns0.isd-internet.de
ns20.isd-internet.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:178.249.27.194 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:217.110.157.33 ip4:217.110.157.34 include:_spf-sfdc.sapsf.eu include:spf.salesforce.com include:spf.crsend.com include:spf.protection.outlook.com include:_spf.jpberlin.de include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=50;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- have-i-been-pwned-verification=747d7d42e127dd27c5b5c923e5993730
- atlassian-domain-verification=xAV9tsaltxOdsCKdvE6C/8a051lhXuOLuUURPKhjIGxNpzxuafJWaD3wVQjeYnrh
- hg7p7sge10sjas5gj6cqhvpfka
- anthropic-domain-verification-x6j8as=jFTOSTEoFtarn1sBocfucvlzg
- canva-site-verification=3V0p4iZgNW4ihHO-EdTHMw
- SPFv=spf1 mx ip4:178.249.27.194 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:217.110.157.33 ip4:217.110.157.34 include:_spf-sfdc.sapsf.eu include:spf.salesforce.com include:spf.crsend.com include:spf.protection.outlook.com include:_spf.jpberlin.de include:_spf.psm.knowbe4.com -all
- apple-domain-verification=ttdQbGEj3Fly99Yl
- TILGzA9y0LtR1PxK8fzAg0niv7CTj1y2TXFYfOcHJp2jYuHAjHeMw5+iDguAlqmeByl7T/Nn16gwPrrnVWaT7g==
Full email verification for dkms-lab.de
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