Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
i2s-sensors.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 03:17:27 UTC · ↺ Refresh
MX Hostnames
- i2ssensors-de0i.mail.protection.outlook.com
MX Priorities
- i2ssensors-de0i.mail.protection.outlook.com: 10
A / AAAA Records
- 23.200.88.76 ↩ a23-200-88-76.deploy.static.akamaitechnologies.com
- 23.200.88.45 ↩ a23-200-88-45.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:36::17d2:5cb2
- 2600:141b:1c00:36::17d2:5ca7
Mail Server IPs
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
SOA Record
Raw SOA
a1-224.akam.net hostmaster.i2s-sensors.de.i2s-sensors.de 2048902990 10000 2400 604800 3600
Primary NS (mname)
a1-224.akam.net
Admin Email (rname)
hostmaster@i2s-sensors.de.i2s-sensors.de
Serial
2048902990
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
a13-66.akam.net
a12-67.akam.net
a18-66.akam.net
a4-65.akam.net
a1-224.akam.net
a11-67.akam.net
SPF Record
✓ Strict (-all)
v=spf1 a ip4:176.52.200.86 include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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=ms93560022
- duo_sso_verification=uSbhe6L7qlw8XgyrxX6BODBrGfjuv2IPMae2LZdLRd11qblGI4ze6KqwwLH9134d
- z783sq01y687tls5z2zvc9k9d99llyrn
- SPFv=spf1 a ip4:176.52.200.86 include:spf.protection.outlook.com -all
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