Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
big-d.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-29 14:07:46 UTC · ↺ Refresh
MX Hostnames
- bigd-com0i.mail.protection.outlook.com
MX Priorities
- bigd-com0i.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.30 (no PTR)
- 141.193.213.31 (no PTR)
Mail Server IPs
- 52.101.10.8 ↩ mail-bn1pr04cu00100.inbound.protection.outlook.com
- 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 2a01:111:f403:c92c::4 ↩ mail-dm6pr05cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c946::1 ↩ mail-ch1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f90b:: ↩ mail-bn6pr04cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f90d::1 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-09.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-09.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns4-09.azure-dns.info
ns1-09.azure-dns.com
ns2-09.azure-dns.net
ns3-09.azure-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; pct=100; adkim=r; aspf=r; rua=mailto:[email protected],mailto:[email protected]; fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: reject
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
22 records- google-site-verification=ACYU9LW-2Ncka7PEBwnC1feX-in5XmQm_IYvoCQbmc0
- aba19bf2c25a4bf0be8222311b3f1f76
- MS=ms74903341
- Uy5gc6VI4V21yLqM8tD53wU2hI4SW7VdJC3aQIwl0LywPpXOovFbmWepc3CYYm1tHNpy0dIF2Ui4qRBSJoc/Kg==
- cassidy-verification=081e1e7cac3d4acfb83eb8512289a3fd
- _globalsign-domain-verification=-B047LtMDUfDJI6aNrxy8WIjnQ0BIiOMeIbJTupRPS
- adobe-idp-site-verification=da7e25e84aaad8ec8fa3e379ccbf0df8f0a2a069bdb21b348a534dcd3a8f1155
- google-site-verification=Om5ztBENvrrsM7ugIZLW7v2BIZgwHRK2LVzC4tpIIA8
- _ltaoyv9as2a6wshuysv6a42kti25mn1
- IFY=S0k2Skkys0jStTCyNNU1STZO1rUwMUrTNU02NjAxTzNPTjRJAwA=
- ZOOM_verify_DDUo35n5SQONWmlh7iWvpg
- xUikX/eXQCVBXHGZosOfJG4pDtU5o5IekTWxhXCI6wtrrp9MA0huKigNHsc0OPFuqkraoxmHZLu5eNyCL/I6bQ==
- freshworks-site-verification=1140329
- IFY=M081TzVNNjXSNTG2MNU1MTJP1rUwMjTSNTVNMUoyTUtLMzBIBAA=
- spf2.0/pra
- apple-domain-verification=c4UZX_yEHbw-QDja9YnigknoT-OZq4p11Nt__XSbbiA
- google-site-verification=3SK1QR1mKx1v3wlPUhm8yjADtNZXG8U_Kblf5RgpW2Y
- apple-domain-verification=VsNb5uaIPi4SY63o
- docusign=8cbe6caa-6251-4114-b050-e12f870e034b
- wrike-verification=NTYwNzc3MDpiZWQyNzlmMGM2NTUwYmE2OGI5NDBmMjI3OTRiZmI3MTExZDNjMjE4MjU3MjNhMmQ1NTNhNThlOWZkNTZlYmY0
- msfpkey=xget45mdje61whuiph4mw0ep
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
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