Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
circit.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 12:25:03 UTC · ↺ Refresh
MX Hostnames
- circit-de.mail.protection.outlook.com
MX Priorities
- circit-de.mail.protection.outlook.com: 0
A / AAAA Records
- 193.194.144.198 ↩ 198.144.194.193.in-addr.arpa
Mail Server IPs
- 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
- 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
SOA Record
Raw SOA
dns01.circit.de domains.circit.de 1773927702 28800 7200 604800 300
Primary NS (mname)
dns01.circit.de
Admin Email (rname)
domains@circit.de
Serial
1773927702
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
dns02.circit.de
dns03.circit.de
dns01.circit.de
SPF Record
✓ Strict (-all)
v=spf1 a mx ip4:193.194.144.165 include:mailcontrol.com include:spf.protection.outlook.com include:spf-repost-eu.tmcas.trendmicro.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1:d:s;
⚠ p=none — monitoring only, no enforcement
📋 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
4 records- SPFv=spf1 a mx ip4:193.194.144.165 include:mailcontrol.com include:spf.protection.outlook.com include:spf-repost-eu.tmcas.trendmicro.com -all
- MS=ms58750701
- n/BrSwwOMBT0ZpuhinQ75jKeOMUNKyE6vRJA41KkNXc10W/c+gHx2qxaD/HsLkTRDtWIrUErqco0T+QYOKoBuA==
- atlassian-domain-verification=DHRvNjKNjmD9oiBwnFRoI5QEHateKZzVUzqUg90EUx/FJcKEbhcEI2xpl2KYHOn7
Full email verification for circit.de
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