Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
bestcom.com.tw
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-10-30 04:58:49 UTC · ↺ Refresh
MX Hostnames
- bestcom-com-tw.mail.protection.outlook.com
MX Priorities
- bestcom-com-tw.mail.protection.outlook.com: 0
A / AAAA Records
No A/AAAA records found.
Mail Server IPs
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.137.2 (no PTR)
- 52.101.157.80 ↩ mail-os8pr02cu00100.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
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc09::1 (no PTR)
SOA Record
Raw SOA
syndns03 admin 1237 900 600 86400 1
Primary NS (mname)
syndns03
Admin Email (rname)
admin
Serial
1237
Refresh
900s
Retry
600s
Expire
86400s
Minimum TTL
1s
Nameservers (NS)
dns2.bestcom.com.tw
dns.bestcom.com.tw
SPF Record
✓ Strict (-all)
v=spf1 ip4:125.227.152.110 ip4:124.219.98.124 ip4:60.251.165.44 ip4:122.146.56.234 ip4:125.227.152.114 ip4:59.124.62.123 ip4:60.251.165.37 ip4:211.20.86.46 ip4:60.250.240.185 ip4:123.51.238.13 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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- SPFv=spf1 ip4:125.227.152.110 ip4:124.219.98.124 ip4:60.251.165.44 ip4:122.146.56.234 ip4:125.227.152.114 ip4:59.124.62.123 ip4:60.251.165.37 ip4:211.20.86.46 ip4:60.250.240.185 ip4:123.51.238.13 include:spf.protection.outlook.com -all
- s0ehehphemt6oee8pg3jtilmnp
- Z7P8bDQMzGRsNvrDzd3NGSqrQd7CsCxct8a/OS8qESgTUmsJAWqMMcn3nZp2jzHFHllqR59vk1QxHFldmdHLVw==
- MS=ms29326823
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