Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
onejoon.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 03:41:20 UTC · ↺ Refresh
MX Hostnames
- onejoon-de.mail.protection.outlook.com
MX Priorities
- onejoon-de.mail.protection.outlook.com: 10
A / AAAA Records
- 92.205.192.110 ↩ mc22022.ispgateway.de
- 2a00:116a:102:34d0:: ↩ mc22022.ispgateway.de
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024112009 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024112009
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.org
ns.udag.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:195.243.117.221 ip4:88.198.176.159 include:spf.protection.outlook.com include:spfv4.sosafe.de include:spfv6.sosafe.de include:spf-de.emailsignatures365.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; adkim=s; aspf=s;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 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
9 records- n4nbigr0m6hb1gu7ihfl7803gs
- apple-domain-verification=8Wbre1ri9ApYRVEZ
- 7l86p0glb8sdjjfrcpksd6ltgqcsk6xq
- tcwcdpnvn5rygs1qznl7y98dmgdhznfz
- google-site-verification=ERjq6CuGwEkGscKtdGSRZSKg2kN5RMsUw71y3A3J1xs
- SPFv=spf1 ip4:195.243.117.221 ip4:88.198.176.159 include:spf.protection.outlook.com include:spfv4.sosafe.de include:spfv6.sosafe.de include:spf-de.emailsignatures365.com ~all
- _globalsign-domain-verification=2z6bMXTe5sflDAa1eN8V7V_7SlalI6znaJlhQjpwg1
- VZa4A1W4MqQBwxJtUV8sKEfWP0g=
- jysllth7r61f0jpdmr9y2mgmnjnx0w79
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 onejoon.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits