Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arch-tech.ca
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 18:47:30 UTC · ↺ Refresh
MX Hostnames
- archtech-ca01b.mail.protection.outlook.com
MX Priorities
- archtech-ca01b.mail.protection.outlook.com: 0
A / AAAA Records
- 67.223.102.38 ↩ named4b.baremetal.com
Mail Server IPs
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
SOA Record
Raw SOA
pns61.cloudns.net support.cloudns.net 2026031901 7200 1800 1209600 3600
Primary NS (mname)
pns61.cloudns.net
Admin Email (rname)
support@cloudns.net
Serial
2026031901
Refresh
7200s
Retry
1800s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
dns54.cloudns.net
dns52.cloudns.net
dns51.cloudns.net
dns53.cloudns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:68.179.121.35 include:spf.protection.outlook.com include:mxrecord.io -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; ri=86400; aspf=r; adkim=s; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected],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
1 record- SPFv=spf1 ip4:68.179.121.35 include:spf.protection.outlook.com include:mxrecord.io -all
Full email verification for arch-tech.ca
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits