Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
symbiont360.ch
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 18:33:28 UTC · ↺ Refresh
MX Hostnames
- symbiont360-ch.mail.protection.outlook.com
MX Priorities
- symbiont360-ch.mail.protection.outlook.com: 0
A / AAAA Records
- 35.246.248.138 ↩ 138.248.246.35.bc.googleusercontent.com
Mail Server IPs
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.16 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
- 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
SOA Record
Raw SOA
kyree.ns.cloudflare.com dns.cloudflare.com 2397512948 10000 2400 604800 1800
Primary NS (mname)
kyree.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397512948
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lara.ns.cloudflare.com
kyree.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.eu.mailgun.org ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
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
9 records- SPFv=spf1 include:spf.protection.outlook.com include:sendgrid.net include:_spf.eu.mailgun.org ~all
- zoho-verification=zb40389626.zmverify.zoho.eu
- MS=ms94206473
- atlassian-sending-domain-verification=95b0b22d-b27b-4473-b8e6-c2307d1d283f
- google-site-verification=5-4L9pztPYf0g9wmvgECQv6bVk4YZaBuNgbvQIRjGQo
- google-site-verification=HnpdgH7aLqCxZJdoG_qDO62ZNSKQbPhsFQAl7t7a6zs
- google-site-verification=g_u5d8QKqCHgOCLZDvFcZTkQmq_vF83RaV-FmQ1HifU
- knowbe4-site-verification=eb3f316a4c079147fae03592fa8c775d
- ppe-c60d3f36402a5f1e4832ea484d08fa4f3c289999
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