Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
iris-biotech.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 12:23:39 UTC · ↺ Refresh
MX Hostnames
- mx-01-eu-central-1.prod.hydra.sophos.com
- mx-02-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
- 172.66.155.148 (no PTR)
- 104.20.42.96 (no PTR)
- 2606:4700:10::ac42:9b94 (no PTR)
- 2606:4700:10::6814:2a60 (no PTR)
Mail Server IPs
- 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com
- 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
brit.ns.cloudflare.com dns.cloudflare.com 2398895704 10000 2400 604800 1800
Primary NS (mname)
brit.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398895704
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
razvan.ns.cloudflare.com
brit.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx ip4:157.90.129.47 include:spf.crsend.com include:_spf_eucentral1.prod.hydra.sophos.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; sp=reject; pct=100; 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
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 237 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- MS=0ED654459191EE8B4462FB651C3D87DADEA308EE
- sophos-domain-verification=a076bbd32c4673da70217dca03cc92c2e6fb9a699ef99c58e869c0ddba842e32
- sophos-domain-verification=ffeecc7423148ec022e6b067109a923e0db0523a
- swisssign-check=_7zK5PpbGDLMQIw0OGfzKKaUALs
- SPFv=spf1 +a +mx ip4:157.90.129.47 include:spf.crsend.com include:_spf_eucentral1.prod.hydra.sophos.com ~all
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