Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opinion.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 01:18:23 UTC · ↺ Refresh
MX Hostnames
- opinion-de.mail.protection.outlook.com
MX Priorities
- opinion-de.mail.protection.outlook.com: 0
A / AAAA Records
- 116.202.120.18 ↩ www.sinus-institut.de
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
dns0.noris.net hostmaster.noris.net.opinion.de 2019082856 86400 86400 2419200 600
Primary NS (mname)
dns0.noris.net
Admin Email (rname)
hostmaster@noris.net.opinion.de
Serial
2019082856
Refresh
86400s
Retry
86400s
Expire
2419200s
Minimum TTL
600s
Nameservers (NS)
dns1.noris.net
dns2.noris.net
dns3.noris.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; sp=quarantine; ruf=mailto:[email protected]; aspf=r; adkim=r; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: quarantine
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
6 records- MS=ms62900290
- SPFv=spf1 include:spf.protection.outlook.com -all
- ktvywqg7bmrkxzb1d78k0cvlrs4qslm4
- sophos-domain-verification=b70a81ce50897933a3667242bc5af2c1de75d8535ba9b57b4e4ce7f594c32d15
- sophos-domain-verification=d50da8f550298bcde3af212df6a3d545ec84b96d
- _qcrtlkk6j8r1vphf86flgrgnbtk9ou6
Full email verification for opinion.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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