Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
reisebuero-graf.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 20:24:17 UTC · ↺ Refresh
MX Hostnames
- reisebuerograf-de02e.mail.protection.outlook.com
MX Priorities
- reisebuerograf-de02e.mail.protection.outlook.com: 10
A / AAAA Records
- 217.70.172.214 ↩ x-isp-web-3.gelsen.net
Mail Server IPs
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.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
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
a.ns14.net hostmaster.dns-tool.gelsen.net 2025121803 3600 1800 1209600 600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@dns-tool.gelsen.net
Serial
2025121803
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
b.ns14.net
a.ns14.net
c.ns14.net
d.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:217.6.253.56/29 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; sp=none; aspf=r; adkim=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._domainkey
⚠ Public key (p=) missing in DKIM record for selector google.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- MS=ms33100084
- SPFv=spf1 a mx ip4:217.6.253.56/29 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
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 · Customize →
See demo & docs
Deep verification
Full email verification for reisebuero-graf.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits