Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isg-ro.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 10:42:08 UTC · ↺ Refresh
MX Hostnames
- in.tmes.trendmicro.eu
- mx01.hornetsecurity.com
- mx04.hornetsecurity.com
- mx02.hornetsecurity.com
- mx03.hornetsecurity.com
MX Priorities
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
- in.tmes.trendmicro.eu: 50
- mx03.hornetsecurity.com: 30
A / AAAA Records
- 217.160.0.170 ↩ 217-160-0-170.elastic-ssl.ui-r.com
Mail Server IPs
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
- 18.185.115.147 ↩ in.tmes.trendmicro.eu
- 18.185.115.145 ↩ in.tmes.trendmicro.eu
- 18.185.115.146 ↩ in.tmes.trendmicro.eu
- 94.100.134.8 ↩ mx03.hornetsecurity.com
SOA Record
Raw SOA
pns.dtag.de dns.telekom.de 2026030900 10800 3600 2419200 3600
Primary NS (mname)
pns.dtag.de
Admin Email (rname)
dns@telekom.de
Serial
2026030900
Refresh
10800s
Retry
3600s
Expire
2419200s
Minimum TTL
3600s
Nameservers (NS)
pns.dtag.de
ns1.telekom.net
SPF Record
✓ Strict (-all)
v=spf1 a:smtp.isc-consulting.de ip4:185.255.80.59 include:spf.hornetsecurity.com include:spf.emailsignatures365.com include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
2 records- SPFv=spf1 a:smtp.isc-consulting.de ip4:185.255.80.59 include:spf.hornetsecurity.com include:spf.emailsignatures365.com include:spf.protection.outlook.com -all
- jmx5MbVrjsIDU0wyqQVN2lJ0UZqlUfMbVcWwxxnY0jw0cyQ9N6ySSYUHTPQKMJgMK6eaRuZqYuS1kxoJICeilQ==
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