Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
jh-obb.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 14:16:51 UTC · ↺ Refresh
MX Hostnames
- jhobb-de0e.mail.protection.outlook.com
MX Priorities
- jhobb-de0e.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.14 ↩ 217-160-0-14.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2ce ↩ 2001-08d8-100f-f000-0000-0000-0000-02ce.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1059.ui-dns.de hostmaster.1und1.de 2016110273 28800 7200 604800 300
Primary NS (mname)
ns1059.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2016110273
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1059.ui-dns.de
ns1059.ui-dns.com
ns1059.ui-dns.org
ns1059.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 mx ip4:80.156.21.125 ip4:62.55.182.68 ip4:82.165.184.176 include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;pct=100;ruf=mailto:[email protected];rua=mailto:[email protected];sp=quarantine;adkim=r;aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
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
2 records- MS=ms18594842
- SPFv=spf1 mx ip4:80.156.21.125 ip4:62.55.182.68 ip4:82.165.184.176 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
See demo & docs
Deep verification
Full email verification for jh-obb.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits