Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tns-online.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 09:39:37 UTC · ↺ Refresh
MX Hostnames
- tnsonline-com0i.mail.protection.outlook.com
MX Priorities
- tnsonline-com0i.mail.protection.outlook.com: 10
A / AAAA Records
- 216.31.207.212 (no PTR)
Mail Server IPs
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
- 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-01.azure-dns.com hostmaster.cscdns.net 2018080127 10800 1800 3600000 86400
Primary NS (mname)
ns1-01.azure-dns.com
Admin Email (rname)
hostmaster@cscdns.net
Serial
2018080127
Refresh
10800s
Retry
1800s
Expire
3600000s
Minimum TTL
86400s
Nameservers (NS)
ns2-01.azure-dns.net
ns3-01.azure-dns.org
ns4-01.azure-dns.info
ns1-01.azure-dns.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:93.159.208.0/21 ip4:5.56.22.0/24 ip4:185.103.8.0/24 include:spf.protection.outlook.com include:_spf.tns-online.com include:mailmailmail.net include:_spf.grpitsrv.com include:_spf.qualtrics.com include:servers.mcsv.net include:_spf.elasticemail.com include:spf.ipzmarketing.com ~all
📊 DNS lookups: 8/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject;sp=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 6 found
selector1._domainkey
selector2._domainkey
default._domainkey
dkim._domainkey
s1._domainkey
s2._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
4 records- MS=ms10475319
- amazonses:0qxjFT3HpuUWnohCJKsQdEEnsN87bGSwpICyvh3pZIA=
- google-site-verification=NOUMjqbkAeX81WOpVxnbOR3qsz7aMSE5cMJm6cwHX98
- SPFv=spf1 ip4:93.159.208.0/21 ip4:5.56.22.0/24 ip4:185.103.8.0/24 include:spf.protection.outlook.com include:_spf.tns-online.com include:mailmailmail.net include:_spf.grpitsrv.com include:_spf.qualtrics.com include:servers.mcsv.net include:_spf.elasticemail.com include:spf.ipzmarketing.com ~all
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