Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arlboston.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:12:24 UTC · ↺ Refresh
MX Hostnames
- arlboston-org.mail.protection.outlook.com
MX Priorities
- arlboston-org.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.10 (no PTR)
- 141.193.213.11 (no PTR)
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.40.6 ↩ mail-cy1pr03cu00106.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c801:: ↩ mail-sa9pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c946::7 ↩ mail-ch5pr02cu00307.inbound.protection.outlook.com
SOA Record
Raw SOA
ns35.worldnic.com namehost.worldnic.com 126031717 10800 3600 604800 3600
Primary NS (mname)
ns35.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031717
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns36.worldnic.com
ns35.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:50.236.7.186 ip4:50.206.76.194 ip4:54.243.207.3 ip4:50.237.26.153 ip4:50.236.7.137 ip4:50.236.7.140 ip4:50.236.7.177 include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:outboundmail.convio.net include:_spf.intacct.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
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
10 records- SPFv=spf1 ip4:50.236.7.186 ip4:50.206.76.194 ip4:54.243.207.3 ip4:50.237.26.153 ip4:50.236.7.137 ip4:50.236.7.140 ip4:50.236.7.177 include:spf.protection.outlook.com include:outboundmail.blackbaud.net include:outboundmail.convio.net include:_spf.intacct.com include:_spf.psm.knowbe4.com ~all
- _cqimryu9952s5gamrso3d1vnm9j57sd
- google-site-verification=26HH5v11FIpU5fTOw1DdUfrNy2XMCydpGlDrPllKiyc
- google-site-verification=2sxefqHItT9Yr15zw4n6muXy51lSVZYd59CwloOQWMY
- L79PRO8GOKCHFI45OIQ7RS6DF5
- MS=ms66685284
- google-site-verification=b9CeBKJjORtd0THMDCsDTgKW8A73KPUMW6dkST-hGT8
- intacct-esk=7A455DD1470E274AE053AA06A8C0A746
- e00pgf5e6fdno4mvubu2g8rr2b
- 5idbkogqrv3k6m76t3t5fkr7gj
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