Domain Overview
DNS: ✓ 20d ago
Checker: ✓ 20d ago
bigheartpet.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-21 12:25:13 UTC · ↺ Refresh
MX Hostnames
- bigheartpet-com.mail.protection.outlook.com
MX Priorities
- bigheartpet-com.mail.protection.outlook.com: 0
A / AAAA Records
- 216.59.59.91 ↩ redirect-ip-91-v4.customer.totaluptime.net
- 2602:ffe2:99::130 (no PTR)
Mail Server IPs
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.11.13 ↩ mail-sn1pr0501cu00205.inbound.protection.outlook.com
SOA Record
Raw SOA
a1.uberns.com hostmaster.bigheartpet.com 2023062000 14400 7200 1209600 300
Primary NS (mname)
a1.uberns.com
Admin Email (rname)
hostmaster@bigheartpet.com
Serial
2023062000
Refresh
14400s
Retry
7200s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
a1.uberns.net
b1.uberns.com
b1.uberns.net
a1.uberns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.messagelabs.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- D0E0L25747
- MS=ms64897033
- MS=ms74667935
- SPFv=spf1 include:spf.messagelabs.com ~all
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