Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
stadtwerke-schwerte.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 04:33:52 UTC · ↺ Refresh
MX Hostnames
- stadtwerkeschwerte-de02e.mail.protection.outlook.com
MX Priorities
- stadtwerkeschwerte-de02e.mail.protection.outlook.com: 0
A / AAAA Records
- 194.9.124.79 ↩ swsweb.elementmedia.com
Mail Server IPs
- 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.ruhrcom.de hostmaster.ns.ruhrcom.de 2026032401 86400 7200 604800 86400
Primary NS (mname)
ns.ruhrcom.de
Admin Email (rname)
hostmaster@ns.ruhrcom.de
Serial
2026032401
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns.ruhrcom.de
ns2.ruhrcom.de
SPF Record
✓ Strict (-all)
v=spf1 ip4:194.9.124.5 ip4:194.9.124.79 ip4:168.119.8.140 ip4:188.245.40.131 a:mail-o365.sws-schwerte.de a:mail.pi-asp.de a:webmetering.de include:spf-service.sivdc.services include:_spf.supportbyrobin.com include:amazonses.com include:spf.crsend.com include:spf.protection.outlook.com include:_spf.xurrent.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
5 records- google-site-verification=U3MLVeRBM3XMPQTY30CVoth0EemVKQtnFtcxMtxERKw
- 7aRSYxSdWY38PkOwq5gJGKS9aLO7Dliv3B2eRokIrL03lw34RBY86Lzp1iVJbHFvrUD1p9UulEbB5AUBSHu5mA==
- MS=ms60857304
- SPFv=spf1 ip4:194.9.124.5 ip4:194.9.124.79 ip4:168.119.8.140 ip4:188.245.40.131 a:mail-o365.sws-schwerte.de a:mail.pi-asp.de a:webmetering.de include:spf-service.sivdc.services include:_spf.supportbyrobin.com include:amazonses.com include:spf.crsend.com include:spf.protection.outlook.com include:_spf.xurrent.com -all
- google-site-verification=IrO8rYRSPyoykiVcM_IQYsnCRr-Tlo_MZ1HltbPjZho
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 stadtwerke-schwerte.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits