Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
terrasan.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 08:53:29 UTC · ↺ Refresh
MX Hostnames
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
- mx04.hornetsecurity.com
- mx01.hornetsecurity.com
MX Priorities
- mx04.hornetsecurity.com: 40
- mx03.hornetsecurity.com: 30
- mx01.hornetsecurity.com: 10
- mx02.hornetsecurity.com: 20
A / AAAA Records
- 91.208.160.243 ↩ 91-208-160-243.static.ip.adacor.net
Mail Server IPs
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
SOA Record
Raw SOA
ns1.compo-dns.de hostmaster.adns2.de 2026031900 39940 7200 604800 86400
Primary NS (mname)
ns1.compo-dns.de
Admin Email (rname)
hostmaster@adns2.de
Serial
2026031900
Refresh
39940s
Retry
7200s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.compo-dns.de
ns2.compo-dns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:77.75.206.94 include:spf.protection.outlook.com include:spfv4.sosafe.de include:spfv6.sosafe.de include:spf.hornetsecurity.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; ruf=mailto:[email protected]; sp=quarantine;
~ 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: 216 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
4 records- MS=ms69751350
- atlassian-domain-verification=CDM2FJ2Djd8aUMngCM/0ZDrz0fiFY4u/vcjyrk5E8TwG+N/sTDw88p3KRmbY0+hl
- GIYFThJoENutgScNcENKLK6WyVDRAhR2L8U2jcvMEwL+qXkkaTZbBpe8WTx7UUuIbC6IWrj8yeV3qasDY+iSwg==
- SPFv=spf1 ip4:77.75.206.94 include:spf.protection.outlook.com include:spfv4.sosafe.de include:spfv6.sosafe.de include:spf.hornetsecurity.com -all
Full email verification for terrasan.de
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits