Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ctbuh.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 05:51:22 UTC · ↺ Refresh
MX Hostnames
- ctbuh-org.mail.protection.outlook.com
MX Priorities
- ctbuh-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.21.3.124 (no PTR)
- 172.67.130.178 (no PTR)
- 2606:4700:3033::ac43:82b2
- 2606:4700:3032::6815:37c
Mail Server IPs
- 52.101.50.13 ↩ mail-mw2pr02cu00605.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c922:: ↩ mail-bl0pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
aragorn.ns.cloudflare.com dns.cloudflare.com 2399208871 10000 2400 604800 1800
Primary NS (mname)
aragorn.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399208871
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
chloe.ns.cloudflare.com
aragorn.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:64.18.0.0/20 ip4:192.42.83.65/27 include:spf.protection.outlook.com include:mailgun.org include:_spf.salesforce.com include:aspmx.pardot.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
k1._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: k1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- atlassian-domain-verification=puVrM6c1YkPzGoIpYTzm/AMsvmKsNNFwq/LybXmCf12cndKEzZZN0oFYwY1dPdnL
- google-site-verification=5y8gI2rp8A_EQQipdbWA4eJrLuAyak7Cz6iPWynuC8I
- google-site-verification=TMdhV7gmJhKeUuKuFWHrhF1pWxhS4WUnY44c0w6sSPs
- pardot878592=d440ae80a7a308a585c401a16f8f9f241c13f09dce974786f576ec2324230a59
- SPFv=spf1 ip4:64.18.0.0/20 ip4:192.42.83.65/27 include:spf.protection.outlook.com include:mailgun.org include:_spf.salesforce.com include:aspmx.pardot.com ~all
- MS=ms76195812
- apple-domain-verification=m6jodqHNmG4dKwlx
Full email verification for ctbuh.org
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