Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arlingtoncu.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:24:26 UTC · ↺ Refresh
MX Hostnames
- arlingtoncu-org.mail.protection.outlook.com
MX Priorities
- arlingtoncu-org.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.66.159 (no PTR)
Mail Server IPs
- 40.93.192.4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-32.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-32.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-32.azure-dns.org
ns4-32.azure-dns.info
ns1-32.azure-dns.com
ns2-32.azure-dns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx:docs-center.com include:spf.protection.outlook.com ip4:74.205.80.0/24 ip4:67.192.219.80 ip4:13.71.166.215 ip4:40.85.203.99 ip4:52.156.7.234 ip4:52.138.15.33 include:1997122.spf06.hubspotemail.net include:sendgrid.net include:spfref.jackhenry.com include:_spf.smtp.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 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
9 records- google-site-verification=BADuJncHkqE_K0mqI8g6mMQNvpP5UCpDZMw14SobSMw
- google-site-verification=_5zIq6ZMXgIYzc79XTT3GdEUPCiwiIL47vLHYwGjl_g
- r093gj8kj11tv070ggk6lp7vf117wnbw
- atlassian-domain-verification=VAK1lLzPE0uh59Q2gA2EfF5bAZmbCwkA19Cjrrh4HVEsAlnPRqM7nXFHUXRXv1x7
- AFFE-B917-8E89-F7A8-633B-492E-6396-087F
- MS=ms24567085
- google-site-verification=XlnYwdo01RZ03_ylsCTAovZuQ8ySWjpugf6nAMQ86TM
- SPFv=spf1 mx:docs-center.com include:spf.protection.outlook.com ip4:74.205.80.0/24 ip4:67.192.219.80 ip4:13.71.166.215 ip4:40.85.203.99 ip4:52.156.7.234 ip4:52.138.15.33 include:1997122.spf06.hubspotemail.net include:sendgrid.net include:spfref.jackhenry.com include:_spf.smtp.com ~all
- docusign=6642cd5b-b76f-423d-8bf6-11c50a2491c1
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