Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
archtopfiber.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:31:07 UTC · ↺ Refresh
MX Hostnames
- archtopfiber-com.mail.protection.outlook.com
MX Priorities
- archtopfiber-com.mail.protection.outlook.com: 20
A / AAAA Records
- 161.35.137.229 ↩ 1384800.cloudwaysapps.com
Mail Server IPs
- 52.101.8.42 ↩ mail-dm6pr03cu00402.inbound.protection.outlook.com
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns101.register.com root.register.com 125102916 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
125102916
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns101.register.com
dns102.register.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:23694729.spf03.hubspotemail.net include:_spf.crowdfiber.com a:zixgateway01.cdg.ws include:_spf.psm.knowbe4.com include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;p=none;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected],mailto:[email protected];fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
6 records- google-site-verification=81wn01LkNByMpPM9J5v13oNzIRC9T0AdK6WJ9_nY8k0
- SPFv=spf1 include:spf.protection.outlook.com include:23694729.spf03.hubspotemail.net include:_spf.crowdfiber.com a:zixgateway01.cdg.ws include:_spf.psm.knowbe4.com include:_spf.salesforce.com -all
- google-site-verification=BiSywBcQXoBp-bZfqOktCkwBVKIhQeDDueAwhmgGAlU
- 1DE240F8DA
- MS=ms22100079
- apple-domain-verification=DFrVpBz8t6VUJ8VX
Full email verification for archtopfiber.com
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