ttc.edu.hk

Disposable Domain
Domain Lookup › ttc.edu.hk

Domain Overview

DNS: ✓ just now Checker: ✓ just now
ttc.edu.hk
Disposable
✓ Yes
Google
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-01 22:45:04 UTC · ↺ Refresh

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MX Hostnames

  • alt1.aspmx.l.google.com
  • ttc-edu-hk.mail.eo.outlook.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt4.aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

  • alt3.aspmx.l.google.com: 40
  • ttc-edu-hk.mail.eo.outlook.com: 100
  • alt2.aspmx.l.google.com: 30
  • alt1.aspmx.l.google.com: 20
  • alt4.aspmx.l.google.com: 50
  • aspmx.l.google.com: 10

A / AAAA Records

  • 52.74.11.1

Mail Server IPs

  • 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
  • 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
  • 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
  • 52.101.157.80 ↩ mail-os8pr02cu00100.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:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
  • 172.253.116.27 ↩ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
  • 108.177.123.27
  • 2800:3f0:4003:c0f::1b
  • 173.194.76.27
  • 2a00:1450:400c:c00::1a

SOA Record

Raw SOA bbdns1.on-nets.com dns.on-nets.com 2025111000 10800 3600 604800 900
Primary NS (mname)
bbdns1.on-nets.com
Admin Email (rname)
dns@on-nets.com
Serial
2025111000
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

bbdns2.on-nets.com
bbdns1.on-nets.com

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate 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

4 records
  • SPFv=spf1 include:_spf.google.com ~all
  • MS=1C85AF7AE418F5DDFE660B81A2A78297E8FD0DFD
  • apple-domain-verification=qY9EOt8EWg55BVf2
  • SPFv=spf1 ip4:218.188.216.73 ip4:218.188.216.75 include:spf.protection.outlook.com -all
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