Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
messe-karlsruhe.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 12:41:29 UTC · ↺ Refresh
MX Hostnames
- messekarlsruhe-de01c.mail.protection.outlook.com
MX Priorities
- messekarlsruhe-de01c.mail.protection.outlook.com: 20
A / AAAA Records
- 212.21.166.98 ↩ kmkwebp01.kmk.she.de
Mail Server IPs
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
- 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.inline.de hostmaster.inline.de 2023121208 10800 3600 604800 38400
Primary NS (mname)
ns1.inline.de
Admin Email (rname)
hostmaster@inline.de
Serial
2023121208
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
38400s
Nameservers (NS)
ns2.inline.de
ns1.inline.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:91.208.159.18 ip4:93.186.161.163 ip4:89.107.188.143 ip4:212.21.166.98 ip4:5.35.254.101 ip4:109.109.202.14 include:email.prnewswire.com include:mail.4allportal.cloud include:spf.crsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; adkim=r; aspf=s; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._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
7 records- facebook-domain-verification=xpnms4win2o1tcmu21n31ebxera510
- google-site-verification=UANPawlYCPLEVxp3hKa8rAvc_30TFWGRgsGsZGoeN_4
- SPFv=spf1 include:spf.protection.outlook.com ip4:91.208.159.18 ip4:93.186.161.163 ip4:89.107.188.143 ip4:212.21.166.98 ip4:5.35.254.101 ip4:109.109.202.14 include:email.prnewswire.com include:mail.4allportal.cloud include:spf.crsend.com -all
- MS=BF8EE455EA7CDAA50A4DD0499DBD58701E8CBDF2
- apple-domain-verification=sG5k719r8R5QwhMY
- _globalsign-domain-verification=KBPKufV9S2yTl3bCXTztONK4hItS8U5y_eMmk3lJQT
- autodesk-domain-verification=z5_JTbW4KBUQYvzoLYYr
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for messe-karlsruhe.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits