Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arco1.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 10:43:51 UTC · ↺ Refresh
MX Hostnames
- arco1-com.mail.protection.outlook.com
MX Priorities
- arco1-com.mail.protection.outlook.com: 10
A / AAAA Records
- 205.178.189.129 ↩ underconstruction.networksolutions.com
Mail Server IPs
- 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
- 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c802:: ↩ mail-cy4pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
ns93.worldnic.com namehost.worldnic.com 126022415 10800 3600 604800 3600
Primary NS (mname)
ns93.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126022415
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns94.worldnic.com
ns93.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:52.154.174.44 ip4:68.188.54.147 ip4:205.178.189.131/32 ip4:47.50.156.130/29 include:spf.protection.outlook.com include:et._spf.pardot.com include:servers.mcsv.net include:turbo-smtp.com include:_spf.ultipro.com include:spf.mailjet.com include:sendgrid.net include:spfa.cpmails.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; aspf=r; adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
17 records- YXp1cmVfY29tbW9u
- arsvgus4lh55k75mapd8hcv3o7
- ao8i7kpjfv04p82ak14uo7mac2
- asv=054a65931af7b13106846bf47df8cedd
- google-site-verification=DA4jsm4PA-Iog6TtN2k8sS1hj41JLVc3NRGgAOsVXcc
- google-site-verification=8m6NC8p_qHYmj6QN2CpEmRhaHaHuqhjIc0P6MhPuuuE
- SPFv=spf1 ip4:52.154.174.44 ip4:68.188.54.147 ip4:205.178.189.131/32 ip4:47.50.156.130/29 include:spf.protection.outlook.com include:et._spf.pardot.com include:servers.mcsv.net include:turbo-smtp.com include:_spf.ultipro.com include:spf.mailjet.com include:sendgrid.net include:spfa.cpmails.com ~all
- docusign=2ed40f29-34db-484d-8ddf-01a7e69928b9
- google-site-verification=BOgwZ1MaCC1kPDy3GkE4qSGUBNGYubrXRSIlJPfy6a4
- google-site-verification=eanR21iLEovSGUqKvqJkHQ1AK5w9jzSUxZt9OTaHSrY
- docusign=0257b03f-a631-4d5a-b294-7e6f49a724d3
- pardot636371=c7d2746c870bc9c06fa012c19d06772129b95b6ddf44453d511357f660d39454
- openai-domain-verification=dv-nQV6QgsWER4BXfSJvK30erTn
- MS=ms69267705
- QsAViug9ixVeApj+8dNlu4Jgx9ThMFvlNkBixnkZDM7xPhU7DqoIwuzWGyjSbzi/9p4unbd97LyPjRXxwXk9Hw==
- anthropic-domain-verification-b41ed6=acXWgTEZtvcZ9us5MWTCxI4cn
- 0ed1fe018a70c3d00824e54d31af99222b7476858d
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