Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seder.ps
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 15:03:42 UTC · ↺ Refresh
MX Hostnames
- seder-ps.mail.protection.outlook.com
MX Priorities
- seder-ps.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.2.53 (no PTR)
- 172.67.128.203 (no PTR)
- 2606:4700:3030::6815:235 (no PTR)
- 2606:4700:3030::ac43:80cb (no PTR)
Mail Server IPs
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
gwen.ns.cloudflare.com dns.cloudflare.com 2399014898 10000 2400 604800 1800
Primary NS (mname)
gwen.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399014898
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
gwen.ns.cloudflare.com
lars.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- SPFv=spf1 include:spf.protection.outlook.com -all
- MS=ms18629572
- google-site-verification=PmcI76jHD919JwazeijNJ-rqkneJMaSbZESz82N9kvI
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