Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tui-reisebuero.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 04:30:17 UTC · ↺ Refresh
MX Hostnames
- tuireisebuero-de0i.mail.protection.outlook.com
MX Priorities
- tuireisebuero-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 193.58.164.112 (no PTR)
Mail Server IPs
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
ns01.brandshelter.com tech.brandshelter.com 2025112800 10800 3600 604800 300
Primary NS (mname)
ns01.brandshelter.com
Admin Email (rname)
tech@brandshelter.com
Serial
2025112800
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns02.brandshelter.net
ns01.brandshelter.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mail.tuigroup.com ip4:62.48.75.199 ip4:80.87.174.250 ip4:80.87.174.251 ip4:80.87.174.252 ip4:80.87.174.253 ip4:213.178.73.228 ip4:213.178.73.229 include:_relay.amadeus.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
10 records- _4eu8qq0prvm6kxtoq4g9jtf2qivuagh
- _ek0tdd1z8ato82jbp1ipwp6dlzrslhl
- SPFv=spf1 include:spf.protection.outlook.com include:mail.tuigroup.com ip4:62.48.75.199 ip4:80.87.174.250 ip4:80.87.174.251 ip4:80.87.174.252 ip4:80.87.174.253 ip4:213.178.73.228 ip4:213.178.73.229 include:_relay.amadeus.com -all
- pjkn8zr2cxqw0x5fj2f94rpcrs2j80yy
- atlassian-domain-verification=R0oe1j5MVuzOqdKW4yS4wJmPYVBXwvWD38S4aubDDMd1ajs310cWJWYxGdEDvkUt
- 9gckm8x08tp8z0y4m3slmbn30rm309tp
- MS=ms50048347
- miro-verification=19616033581ca8585181da321ac5356c3758cec8
- google-site-verification=wYp09QpI10tJVcHelBc7V6ky__xfF3HKGpLyjlA4uE0
- MS=ms50016116
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 tui-reisebuero.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits