Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
serso.be
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 02:50:17 UTC · ↺ Refresh
MX Hostnames
- serso-be.mail.protection.outlook.com
MX Priorities
- serso-be.mail.protection.outlook.com: 5
A / AAAA Records
- 172.66.40.102 (no PTR)
- 172.66.43.154 (no PTR)
- 2606:4700:3108::ac42:2866
- 2606:4700:3108::ac42:2b9a
Mail Server IPs
- 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
- 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
- 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
- 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
- 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
SOA Record
Raw SOA
darwin.ns.cloudflare.com dns.cloudflare.com 2399763883 10000 2400 604800 1800
Primary NS (mname)
darwin.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399763883
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
jean.ns.cloudflare.com
darwin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:3.78.0.6 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.eu.exclaimer.net include:mailer.serso.be include:amazonses.com include:_spf.elasticemail.com include:spf.steam-connect.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
default._domainkey
s1._domainkey
s2._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
5 records- anthropic-domain-verification-4c1rnw=g6x5saOQX5kC29a51PVRQPKtm
- google-site-verification=FRqDF4qPB2_Eya0RfLE5kYOyEIg-aioFvt54C6Bqjg8
- google-site-verification=bITeb3PK3him9l8VIK_GF4I6H-flLqZqtXtCEahW5RM
- sophos-domain-verification=8effd2a1e5060fa6b906af2da48e1a0021e018416cbcfb8414523c2d6a1b190b
- SPFv=spf1 ip4:3.78.0.6 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.eu.exclaimer.net include:mailer.serso.be include:amazonses.com include:_spf.elasticemail.com include:spf.steam-connect.com -all
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