Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
semperoper.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 15:00:43 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-01-eu-central-1.prod.hydra.sophos.com: 10
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
A / AAAA Records
- 212.111.227.101 ↩ webprod1-2022.semperoper.de
Mail Server IPs
- 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
- 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ans-01.ibh.de hostmaster.ibh.net 2025012001 3600 1200 3600000 600
Primary NS (mname)
ans-01.ibh.de
Admin Email (rname)
hostmaster@ibh.net
Serial
2025012001
Refresh
3600s
Retry
1200s
Expire
3600000s
Minimum TTL
600s
Nameservers (NS)
ans-02.ibh.net
ans-01.ibh.de
ans-04.ibh.services
ans-03.ibh.de
ans-05.ibh.net
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:212.111.227.101 ip4:212.111.227.102 ip4:212.111.227.103 ip4:212.111.227.104 ip4:212.111.239.113 ip4:212.111.239.120 ip4:94.186.153.20 ip4:94.186.153.21 ip4:94.186.157.82 ip4:74.203.57.45 ip4:74.203.49.181 ip4:74.203.49.182 ip4:74.203.49.183 ip4:74.203.49.184 ip4:74.203.49.185 ip4:74.203.49.51 ip4:74.203.49.187 ip4:74.203.49.188 ip4:74.203.49.189 ip4:74.203.49.190 include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 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
8 records- adobe-idp-site-verification=5d828947-4392-476c-9f47-fcfbedc95a58
- sophos-domain-verification=22e6fba1ed525cb72357b68e06f2850bf29c11df25cb7bbf193d568fb5f138f6
- MS=ms39666904
- apple-domain-verification=gdTQwia3q0yOnTgX
- sophos-domain-verification=456e737f25e5c2297828c7f8c7d09d1e77fd86ed
- globalsign-domain-verification=z9id7_HZGZD4mOXOi_4nDIfMIscYHix8PuRR04hTMJ
- SPFv=spf1 mx ip4:212.111.227.101 ip4:212.111.227.102 ip4:212.111.227.103 ip4:212.111.227.104 ip4:212.111.239.113 ip4:212.111.239.120 ip4:94.186.153.20 ip4:94.186.153.21 ip4:94.186.157.82 ip4:74.203.57.45 ip4:74.203.49.181 ip4:74.203.49.182 ip4:74.203.49.183 ip4:74.203.49.184 ip4:74.203.49.185 ip4:74.203.49.51 ip4:74.203.49.187 ip4:74.203.49.188 ip4:74.203.49.189 ip4:74.203.49.190 include:_spf_eucentral1.prod.hydra.sophos.com -all
- brevo-code:53d9d93ba7018ba9f8591bb9d273085d
Full email verification for semperoper.de
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