Domain Overview
DNS: ✓ 4d ago
Checker: ✓ 4d ago
zaremba.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-18 02:35:03 UTC · ↺ Refresh
MX Hostnames
- zaremba-net.mail.protection.outlook.com
MX Priorities
- zaremba-net.mail.protection.outlook.com: 0
A / AAAA Records
- 208.91.197.27 (no PTR)
Mail Server IPs
- 52.101.41.6 ↩ mail-sj0pr03cu01406.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c903::3 ↩ mail-mw2pr02cu00503.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c922::1 ↩ mail-bl0pr05cu00501.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns57.worldnic.com namehost.worldnic.com 126021313 10800 3600 604800 3600
Primary NS (mname)
ns57.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126021313
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns57.worldnic.com
ns58.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 include:spf.protection.outlook.com include:asp-spf1.yardi.com include:asp-spf2.yardi.com ~all
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