Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
atcsplc.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:06:33 UTC · ↺ Refresh
MX Hostnames
- atcsplc-com.mail.protection.outlook.com
MX Priorities
- atcsplc-com.mail.protection.outlook.com: 0
A / AAAA Records
- 209.17.116.163 (no PTR)
Mail Server IPs
- 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.21 ↩ mail-sj2pr05cu00305.inbound.protection.outlook.com
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c91d::a ↩ mail-co1pr21cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f901::2 ↩ mail-bl2pr02cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns33.worldnic.com namehost.worldnic.com 126031302 10800 3600 604800 3600
Primary NS (mname)
ns33.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031302
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns34.worldnic.com
ns33.worldnic.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:64.91.250.204 +include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- 862h93e1a4r8juvav25sq3mn3b
- apple-domain-verification=eVqW3gZ55aFLxONW
- SPFv=spf1 +ip4:64.91.250.204 +include:spf.protection.outlook.com -all
- google-site-verification=s_2bpPTljmYadk75DPRFnnmWgwrTvLUMc5c3-GVn2gI
- docusign=30c04a2f-b8c4-4207-b36d-8d92d9517d5d
- MS=ms53737886
- 6g44n1sqdkicvf3lirqt75t0tu
Full email verification for atcsplc.com
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