Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iea-hamburg.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 16:48:11 UTC · ↺ Refresh
MX Hostnames
- ieahamburg-de0i.mail.protection.outlook.com
MX Priorities
- ieahamburg-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 217.9.105.162 ↩ mx1.iea-dpc.org
Mail Server IPs
- 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
- 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
- 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.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
SOA Record
Raw SOA
ns1.first-ns.de dns.hetzner.com 2026032000 3600 7200 3600000 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026032000
Refresh
3600s
Retry
7200s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns1.first-ns.de
robotns2.second-ns.de
robotns3.second-ns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:217.9.105.190 ip4:217.9.105.180 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
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
5 records- SPFv=spf1 ip4:217.9.105.190 ip4:217.9.105.180 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
- MS=ms31146601
- apple-domain-verification=Lis6i0FxiUZooSF6
- atlassian-domain-verification=uM6Lyo/Aa58Ib4w2H4hA/8O8/ryDnHeStmpy2VIaY/4qlbE5HyTLuzCfJ7TvGl8V
- atlassian-sending-domain-verification=70733290-2321-4ad1-b9cf-c73da41f8e67
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 iea-hamburg.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits