Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
tcc.on.ca
Yes
✓ Yes
Unknown
No
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-06 12:02:32 UTC · ↺ Refresh
MX Hostnames
- prefix1.tcc.on.ca
- prefix2.tcc.on.ca
MX Priorities
- prefix1.tcc.on.ca: 10
- prefix2.tcc.on.ca: 10
A / AAAA Records
- 163.182.192.212 ↩ www.tcc.on.ca
Mail Server IPs
- 23.149.128.35 ↩ prefix1.tcc.on.ca
- 23.149.128.45 ↩ prefix2.tcc.on.ca
SOA Record
Raw SOA
ns1.tcc.on.ca dns.tccmail.ca 2026012800 3600 300 1209600 600
Primary NS (mname)
ns1.tcc.on.ca
Admin Email (rname)
dns@tccmail.ca
Serial
2026012800
Refresh
3600s
Retry
300s
Expire
1209600s
Minimum TTL
600s
Nameservers (NS)
ns2.tcc.on.ca
ns1.tcc.on.ca
SPF Record
✓ Soft Fail (~all)
v=spf1 a mx ip4:23.149.128.36 ip4:23.149.128.37 ip4:23.149.128.38 ip4:23.149.128.46 ip4:23.149.128.47 ip4:163.182.192.167 ip4:163.182.192.170 ip4:163.182.192.175 ip4:163.182.192.135 ip4:163.182.253.107 ip6:2607:4980:0:aaa:250:56ff:fe81:b4bb ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
default._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- yahoo-verification-key=sFJOP1mDvzqtILBly7+D23OaNvuOG+VM5FuO/tQ0454=
- SPFv=spf1 a mx ip4:23.149.128.36 ip4:23.149.128.37 ip4:23.149.128.38 ip4:23.149.128.46 ip4:23.149.128.47 ip4:163.182.192.167 ip4:163.182.192.170 ip4:163.182.192.175 ip4:163.182.192.135 ip4:163.182.253.107 ip6:2607:4980:0:aaa:250:56ff:fe81:b4bb ~all
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