Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
metrobyt-mobile.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 15:51:55 UTC · ↺ Refresh
MX Hostnames
- metrobytmobile-com02b.mail.protection.outlook.com
MX Priorities
- metrobytmobile-com02b.mail.protection.outlook.com: 10
A / AAAA Records
- 23.205.249.201 ↩ a23-205-249-201.deploy.static.akamaitechnologies.com
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.10.10 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 52.101.8.51 ↩ mail-dm1pr04cu00203.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
SOA Record
Raw SOA
anppol31.gsm1900.org dns-admin.t-mobile.com 267 10800 3600 2592000 300
Primary NS (mname)
anppol31.gsm1900.org
Admin Email (rname)
dns-admin@t-mobile.com
Serial
267
Refresh
10800s
Retry
3600s
Expire
2592000s
Minimum TTL
300s
Nameservers (NS)
a6-66.akam.net
a7-65.akam.net
a14-65.akam.net
a1-167.akam.net
a8-66.akam.net
a13-67.akam.net
SPF Record
✓ Strict (-all)
v=spf1 include:t-mobile.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; rf=afrf; sp=reject; fo=1; pct=100; adkim=r; aspf=r
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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- google-site-verification=rcbxD2FJe5WFD1luOh1wTVK-Uj0v1cOx7pGYxxDIHjg
- MS=ms83418652
- 4df61529-85a8-43eb-9a1b-744a26fc0bfb
- globalsign-domain-verification=4D5517E95EFF3519F798EE2859789946
- SPFv=spf1 include:t-mobile.com -all
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