cobblestone.com.tw

Valid Email Server
Domain Lookup › cobblestone.com.tw

Domain Overview

DNS: ✓ 16d ago Checker: ✓ 16d ago
cobblestone.com.tw
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-25 11:50:48 UTC · ↺ Refresh

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MX Hostnames

  • ntvirus2.url.com.tw
  • ntvirus.url.com.tw

MX Priorities

  • ntvirus2.url.com.tw: 10
  • ntvirus.url.com.tw: 10

A / AAAA Records

  • 151.101.2.236 (no PTR)
  • 151.101.130.236 (no PTR)
  • 151.101.194.236 (no PTR)
  • 151.101.66.236 (no PTR)

Mail Server IPs

  • 210.59.228.172 ↩ ntvirus.url.com.tw
  • 210.59.228.173 ↩ ntvirus2.url.com.tw
  • 210.59.228.117 ↩ ntvirus4.url.com.tw
  • 210.59.228.178 ↩ ntvirus3.url.com.tw

SOA Record

Raw SOA dns.twmail.org admin.corp.url.com.tw 1779709208 16384 2048 1048576 2560
Primary NS (mname)
dns.twmail.org
Admin Email (rname)
admin@corp.url.com.tw
Serial
1779709208
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

dns2.twmail.org
dns.twmail.org

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx ip4:210.59.228.0/24 ip4:210.59.229.0/25
📊 DNS lookups: 2/10

DMARC Record

✗ Missing

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

DKIM Selectors

✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

5 records
  • ca3-2c59238023f64d39a982cb5a0b16b192
  • facebook-domain-verification=qiu9zpu2un2w0efoqxtw35t5uliimq
  • facebook-domain-verification=mftly13yvz7bt9x1lhhiwwy6gwlp8t
  • google-site-verification=7sGI1xDiR2cG48qk707fP0Iz5UrRArT9kte8WiRujMg
  • SPFv=spf1 a mx ip4:210.59.228.0/24 ip4:210.59.229.0/25
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