Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
thearcsf.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 17:48:27 UTC · ↺ Refresh
MX Hostnames
- thearcsf-org.mail.protection.outlook.com
MX Priorities
- thearcsf-org.mail.protection.outlook.com: 0
A / AAAA Records
- 52.5.5.85 ↩ ec2-52-5-5-85.compute-1.amazonaws.com
Mail Server IPs
- 52.101.9.12 ↩ mail-bl0pr05cu00504.inbound.protection.outlook.com
- 52.101.194.3 ↩ mail-ch1pr04cu00103.inbound.protection.outlook.com
- 52.101.41.58 ↩ mail-sj0pr02cu00102.inbound.protection.outlook.com
- 52.101.9.2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
- 2a01:111:f403:c801::1 ↩ mail-sn1pr0501cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f802::3 ↩ mail-sj0pr03cu01403.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
SOA Record
Raw SOA
ns93.worldnic.com namehost.worldnic.com 126011408 10800 3600 604800 3600
Primary NS (mname)
ns93.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126011408
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns93.worldnic.com
ns94.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:50.193.8.97 ip4:50.250.225.49 include:spf.protection.outlook.com include:_spf.firespring.com include:mail.zendesk.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; 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
6 records- SPFv=spf1 ip4:50.193.8.97 ip4:50.250.225.49 include:spf.protection.outlook.com include:_spf.firespring.com include:mail.zendesk.com ~all
- 0ed1fe018a7965a271fd294558bff4f0f79f83587c
- asv=fa5f2de161c56e7e6f87701582e68e43
- CUA0NG5VON8Q3LKV682STO489H
- google-site-verification=ft9zY85Up2DgAi3iPWTb3SK4aduBIJxgARffOKlrV7I
- MS=ms99986018
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