Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
isd-service.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:35:46 UTC · ↺ Refresh
MX Hostnames
- mx1.hc344-38.eu.iphmx.com
- mx2.hc344-38.eu.iphmx.com
MX Priorities
- mx1.hc344-38.eu.iphmx.com: 10
- mx2.hc344-38.eu.iphmx.com: 20
A / AAAA Records
- 20.113.44.95 (no PTR)
Mail Server IPs
- 207.54.72.107 ↩ esa3.hc344-38.eu.iphmx.com
- 207.54.72.115 ↩ esa4.hc344-38.eu.iphmx.com
- 207.54.71.186 ↩ esa2.hc344-38.eu.iphmx.com
- 207.54.71.175 ↩ esa1.hc344-38.eu.iphmx.com
SOA Record
Raw SOA
ns1-06.azure-dns.com tech.key-systems.net 2023062802 10800 3600 604800 28800
Primary NS (mname)
ns1-06.azure-dns.com
Admin Email (rname)
tech@key-systems.net
Serial
2023062802
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
28800s
Nameservers (NS)
ns1-06.azure-dns.com
ns2-06.azure-dns.net
ns3-06.azure-dns.org
ns4-06.azure-dns.info
SPF Record
✓ Soft Fail (~all)
v=spf1 mx exists:%{i}.spf.hc344-38.eu.iphmx.com include:spf.protection.outlook.com include:spf.talention.com include:spf.mailjet.com include:mail.zendesk.com include:spf.cluster.4hr.de include:spf.rechenzentrum-mk.de ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; sp=none; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
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
5 records- cisco-ci-domain-verification=38cff5426232d2142d9abc6d9b393eb72b819ff1bae86f8faed73382037237d4
- SPFv=spf1 mx exists:%{i}.spf.hc344-38.eu.iphmx.com include:spf.protection.outlook.com include:spf.talention.com include:spf.mailjet.com include:mail.zendesk.com include:spf.cluster.4hr.de include:spf.rechenzentrum-mk.de ~all
- M3NhNBuL1Xg5nkCZPVGE5U9QOkdGdHm8bu7TjbZmw9Ri1DWKals3Upcycw/ixwBZQoCnMPWZMLMr0AAK3DAtnQ==
- ZA=JKedgOdDAeR7isFvkteBHA==
- google-site-verification=UyUfXcbm-4_Gei3LMNtmtGT1OXQTTsiIwe0j1oVfqgE
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