Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isc-service.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 17:32:36 UTC · ↺ Refresh
MX Hostnames
- iscservice.onice.io
MX Priorities
- iscservice.onice.io: 10
A / AAAA Records
- 217.160.0.88 ↩ 217-160-0-88.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::2eb ↩ 2001-08d8-100f-f000-0000-0000-0000-02eb.elastic-ssl.ui-r.com
Mail Server IPs
- 185.138.223.82 ↩ iscservice.onice.io
SOA Record
Raw SOA
ns1038.ui-dns.de hostmaster.1und1.de 2017073227 28800 7200 604800 300
Primary NS (mname)
ns1038.ui-dns.de
Admin Email (rname)
hostmaster@1und1.de
Serial
2017073227
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1038.ui-dns.org
ns1038.ui-dns.de
ns1038.ui-dns.com
ns1038.ui-dns.biz
SPF Record
✓ Soft Fail (~all)
v=spf1 a:iscservice.onice.io a:k40583.coveto.de include:_spf-eu.ionos.com a:securetransport.cubewerk.de include:spf.protection.outlook.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;sp=reject;pct=50;rua=mailto:[email protected];adkim=r;aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
⚠ Policy applies to 50% of failing messages only
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 388 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a:iscservice.onice.io a:k40583.coveto.de include:_spf-eu.ionos.com a:securetransport.cubewerk.de include:spf.protection.outlook.com ~all
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