Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opi-darmstadt.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:00:27 UTC · ↺ Refresh
MX Hostnames
- opidarmstadt-de0i.mail.protection.outlook.com
MX Priorities
- opidarmstadt-de0i.mail.protection.outlook.com: 0
A / AAAA Records
- 85.10.255.228 ↩ web17fo.docmedicus.com
Mail Server IPs
- 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
- 52.101.170.1 ↩ mail-fr4p281cu03101.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:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1043.ui-dns.biz hostmaster.1und1.de 2017062839 28800 7200 604800 300
Primary NS (mname)
ns1043.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017062839
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1043.ui-dns.org
ns1043.ui-dns.com
ns1043.ui-dns.biz
ns1043.ui-dns.de
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx a:kundenserver.de ip4:213.157.6.10/30 a:mout.kundenserver.de a:mail.opi-darmstadt.de include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
3 records- MS=ms77912396
- google-site-verification=Rbg5EczzId0bOIQykRELCjBLyp8vw81_p2pKSecTW8U
- SPFv=spf1 a mx a:kundenserver.de ip4:213.157.6.10/30 a:mout.kundenserver.de a:mail.opi-darmstadt.de include:_spf-eu.ionos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
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