Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
co56.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-22 02:47:47 UTC · ↺ Refresh
MX Hostnames
- co56-de.mail.protection.outlook.com
MX Priorities
- co56-de.mail.protection.outlook.com: 10
A / AAAA Records
- 52.59.120.70 ↩ eu-staticip2.multiscreensite.com
- 18.197.248.23 ↩ eu-staticip.multiscreensite.com
Mail Server IPs
- 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
- 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
- 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com
- 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1082.ui-dns.de hostmaster.1und1.com 2017060168 28800 7200 604800 600
Primary NS (mname)
ns1082.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060168
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1110.ui-dns.com
ns1113.ui-dns.org
ns1082.ui-dns.de
ns1096.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.crsend.com ip4:195.201.208.154/32 include:spf.eu.exclaimer.net -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
5 records- google-site-verification=2FhlbB52Fy5aMDDInYgHR4I6lW8qUG6PWW6Zckt1JgQ
- SPFv=spf1 include:spf.protection.outlook.com include:spf.crsend.com ip4:195.201.208.154/32 include:spf.eu.exclaimer.net -all
- adobe-idp-site-verification=fb85c26a82628ab30c31ebbf512b8fcb44cda9f72ac0caa2609d905a724319d0
- lc9m0kq4gq75np4s5njk90tn9u
- google-site-verification=-UI7j6cSY-ORbJDWeNsUXY_S_IS7KDLnYnndjiHxqoQ
Full email verification for co56.de
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