Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
postadress.de
Yes
โ Yes
Outlook
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-04-04 13:21:33 UTC ยท โบ Refresh
MX Hostnames
- postadress-de.mail.protection.outlook.com
MX Priorities
- postadress-de.mail.protection.outlook.com: 10
A / AAAA Records
- 146.185.103.115 (no PTR)
Mail Server IPs
- 52.101.73.6 โฉ mail-am6pr04cu00306.inbound.protection.outlook.com
- 52.101.68.29 โฉ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.1 โฉ mail-am3pr04cu00501.inbound.protection.outlook.com
- 52.101.73.26 โฉ mail-as9pr05cu01302.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.arvato-systems.de hostmaster.bnic.bertelsmann.de 2026031900 3600 1800 3600000 3600
Primary NS (mname)
ns1.arvato-systems.de
Admin Email (rname)
hostmaster@bnic.bertelsmann.de
Serial
2026031900
Refresh
3600s
Retry
1800s
Expire
3600000s
Minimum TTL
3600s
Nameservers (NS)
dns009.arvato-systems.de
ns1.arvato-systems.de
ns2.arvato-systems.de
dns017.arvato-systems.de
SPF Record
โ Strict (-all)
v=spf1 mx include:spf.bert.group ip4:145.228.23.13 include:spf.servicemail24.de include:spf.protection.outlook.com -all
๐ DNS lookups: 4/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; pct=100; ri=86400
~ Quarantine โ good protection (failing mail goes to spam)
๐ SPF alignment: Relaxed
ยท DKIM alignment: Relaxed
๐ง Reports โ mailto:[email protected],mailto:[email protected]
โณ Subdomain policy: quarantine
DKIM Selectors
โ 2 found
selector1._domainkey
selector2._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
16 records- google-site-verification=7sPeumvwdHAVwxb6-wfUzmg6Ii0cZbev1cDfZ8oXJdg
- swisssign-check=A16_AqNbgRixOuayIVNt7k_-IhE
- SPFv=spf1 mx include:spf.bert.group ip4:145.228.23.13 include:spf.servicemail24.de include:spf.protection.outlook.com -all
- onetrust-domain-verification=f4441fa6d1ad4ff595d4e70d22dd8dc9
- atlassian-domain-verification=Kl3ByU1tsfV9fKiC7TDDZYz1uCeTeUo0SSEh5SitZ9q99Ua74O571fgiIg//j5Hn
- miro-verification=13fa9f95ea1f96af63f3555a1976749c286d4d44
- MS=ms43073714
- globalsign-domain-verification=B55D4C0B33C68FF2EC14D2EDED8CDE1C
- d365mktkey=lgNtXRWYeLE87xtNYH7lByI2PxLQtcNb4gd6xxuhIgcx
- D-TRUST=U42KP2WCZJQ8GEM6L23XCMJ
- _globalsign-domain-verification=3FaNZADrhk1AupAd8aANBhiXfPlZe5FCZA7nMZ-Rlo
- D-TRUST=3QWRI6YLH253MJHUU7EQV5K
- globalsign-domain-verification=FCCD6A96766EB1C58571E9BC637A328D
- globalsign-domain-verification=0B7EDF3C37713DDCB9EA7B5087A3058F
- globalsign-domain-verification=3FFB90477656CD20F2CBD935EA26133E
- globalsign-domain-verification=0EDEF62BC0E08F8BB246438C9A601D72
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for postadress.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits