tvb.com

Valid Email Server
Domain Lookup › tvb.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
tvb.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-18 05:25:17 UTC · ↺ Refresh

MX Hostnames

  • tvb-com.mail.protection.outlook.com

MX Priorities

  • tvb-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 34.117.137.152 ↩ 152.137.117.34.bc.googleusercontent.com

Mail Server IPs

  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA dns3.hk1.tvb.com hostmaster.tvb.com 4026031703 1200 300 604800 14400
Primary NS (mname)
dns3.hk1.tvb.com
Admin Email (rname)
hostmaster@tvb.com
Serial
4026031703
Refresh
1200s
Retry
300s
Expire
604800s
Minimum TTL
14400s

Nameservers (NS)

a3-64.akam.net
a18-66.akam.net
a11-64.akam.net
a12-65.akam.net
a28-67.akam.net
a1-49.akam.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

16 records
  • iOS-enroll=https://win-vcsa1.hk3.tvb.com/rtc/win-ldms1/MDM/api/v1/enroll/IosEnroll
  • android-enroll=https://win-vcsa1.hk3.tvb.com/rtc/win-ldms1/MDM/api/v1/enroll/AndroidEnroll
  • google-site-verification=e-Fk27io2Qk7LqqfT0YC_xaj0QSTNv7yNvR1rPD1ffs
  • 1password-site-verification=QBUZMOU5XBAUPJTNJY7URCUDOE
  • atlassian-domain-verification=LEv4JrpSAzO1ssUld6DNSI6taXyM0owMAeFGE9zKoevBDqFUypOwVsrJvLjlarjN
  • google-site-verification=reCtjOS261gZg8rynzxuB18-4_Qd64LudEejm7pBtls
  • _gssrhu0e6haaoxt146ccm6xqko94wwe
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com -all
  • google-site-verification=XcQYVwP2vUP6X4yBl4yYDnjwwyd1CemkOLU6slUxLlw
  • mtjz4rx543gfmc2qxtx03rfmn5ds82kz
  • pchfn6ml524hr1jvv4g93qmz3d2zw27g
  • google-site-verification=vXe1LteO75felwBDGxwjneMhnajww4lwbsou1yeXpN4
  • google-site-verification=hXv3ZQtbscs9RxNSAg98wdh4xoy7vXDJ1Zgz4UKACks
  • apple-domain-verification=HPPGXYrEUwRzaY35
  • _x2dnm7uqq2gizp94us9ghps5z87w1ic
  • google-site-verification=SnMbrL0zxQvIJ0H98N9xphLeAuov6IRHIeD6WfkBeTU
Full email verification for tvb.com

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