Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
saw-kg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 11:12:15 UTC · ↺ Refresh
MX Hostnames
- sawkg-de0i.mail.protection.outlook.com
MX Priorities
- sawkg-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 128.140.38.210 ↩ static.210.38.140.128.clients.your-server.de
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net hostmaster.internetx.de 2026010903 86400 7200 604888 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@internetx.de
Serial
2026010903
Refresh
86400s
Retry
7200s
Expire
604888s
Minimum TTL
86400s
Nameservers (NS)
a.ns14.net
c.ns14.net
d.ns14.net
b.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; adkim=s; aspf=s; ri=43200; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
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
4 records- SPFv=spf1 include:spf.protection.outlook.com -all
- factorial-domain-verification=BUWWpa94VpamJigJioGuw7qRn24wVSsVFknnVHEQ5dKwxyjpmyJtqiJvJ7Ycz5ik
- f+bOJAfPQ11GSUCc+HwKsKFSpK0pQUGpkaotoxqC1Pr4tDXYI92+p9tjYrNBTxLJ/c0Wty7odLyEr4QmgFKO1g==
- MS=ms97242589
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 saw-kg.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits