Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
helmut-fischer.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 09:25:58 UTC · ↺ Refresh
MX Hostnames
- helmutfischer-com01e.mail.protection.outlook.com
MX Priorities
- helmutfischer-com01e.mail.protection.outlook.com: 10
A / AAAA Records
- 188.40.218.64 ↩ dedi5251.your-server.de
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
hydrogen.ns.hetzner.com dns.hetzner.com 2026030303 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2026030303
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
oxygen.ns.hetzner.com
helium.ns.hetzner.de
hydrogen.ns.hetzner.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:85.10.251.251 ip4:62.225.33.162 ip4:62.225.33.163 ip4:85.115.27.59 ip4:85.115.27.62 ip4:62.225.33.167 ip4:85.115.27.58 ip4:188.40.218.64/32 ip4:212.4.82.105/29 ip4:212.55.197.201/29 ip4:46.142.206.154 ip4:45.80.255.114 ip4:91.229.169.85 ip4:77.245.42.50 ip4:131.189.191.110 ip4:50.226.81.123 ip4:18.228.169.154 include:_spfeu.sysaidit.com include:_spf.rexx-suite.com include:spf.crsend.com include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:servers.mcsv.net -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
13 records- MS=ms84632816
- SPFv=spf1 ip4:85.10.251.251 ip4:62.225.33.162 ip4:62.225.33.163 ip4:85.115.27.59 ip4:85.115.27.62 ip4:62.225.33.167 ip4:85.115.27.58 ip4:188.40.218.64/32 ip4:212.4.82.105/29 ip4:212.55.197.201/29 ip4:46.142.206.154 ip4:45.80.255.114 ip4:91.229.169.85 ip4:77.245.42.50 ip4:131.189.191.110 ip4:50.226.81.123 ip4:18.228.169.154 include:_spfeu.sysaidit.com include:_spf.rexx-suite.com include:spf.crsend.com include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:servers.mcsv.net -all
- google-site-verification=uQzGmkTCTO3c_UpE8V2NOxuaIHIDGX2gMA7Y24VKQjk
- sendinblue-code:432d81863c7da07b2d777ff1b9562ed5
- google-site-verification=a_lJaUtsnR2FbPga9zVqwX3e7AWu_Y0Vfs5ZsdWesc0
- MS=ms94851104
- MvD8Fl52ah815wTwaF3WJWkB2cqz+FO0yGtMs57n+RkJFTgZTbJSOQoDndR1ssEZLnVZ5/EK+8smEMVQTfaceA==
- hetzner-verify-2024-12-11-h4ktdE3GA1jd
- apple-domain-verification=5veejzCzAPazf0gL
- google-site-verification=fwDWWUBxltbRk8MSjkL_UqAoGEc8GPbbURSTO-awyXc
- sending_domain1114032=7cf5212c06f173ee2050366c1977dc96f004b4fa68315ca56bcabd76c0d919dc
- MS=21596F15C777E4A3FBF39522EBD2093811F74FD7
- atlassian-domain-verification=51X3xu2B1LiIabPN8Irlni2mdMIt4behoiPtxsJuHc7PblvPOCN26LFQiwfzeCby
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 helmut-fischer.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits