Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
tc.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-31 10:31:26 UTC · ↺ Refresh
MX Hostnames
- mx03.hornetsecurity.com
- mx01.hornetsecurity.com
- mx02.hornetsecurity.com
- mx04.hornetsecurity.com
MX Priorities
- mx03.hornetsecurity.com: 30
- mx02.hornetsecurity.com: 20
- mx04.hornetsecurity.com: 40
- mx01.hornetsecurity.com: 10
A / AAAA Records
- 45.136.30.185 ↩ v220210929970162169.goodsrv.de
Mail Server IPs
- 94.100.134.8 ↩ mx03.hornetsecurity.com
- 94.100.136.8 ↩ mx02.hornetsecurity.com
- 94.100.136.7 ↩ mx04.hornetsecurity.com
- 94.100.132.8 ↩ mx01.hornetsecurity.com
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2025090472 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2025090472
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.de
ns.udag.org
ns.udag.net
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:customers.clickdimensions.com include:spf.mailjet.com ip4:81.209.134.161 ip4:185.228.36.153 ip4:18.184.161.197 include:hostedoffice.ag include:immoprofessional.eu ip4:5.145.141.152 ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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
13 records- atlassian-domain-verification=Dy0YDPWxr3a/2hAoTCtw7mkt/DoaqxXlXCl9JvoKgLh3N3Am2M4Jp/Q4VarblWJZ
- pinterest-site-verification=c28fc8bdd1c1b611ddc5b68a321f4e8e
- SPFv=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com include:customers.clickdimensions.com include:spf.mailjet.com ip4:81.209.134.161 ip4:185.228.36.153 ip4:18.184.161.197 include:hostedoffice.ag include:immoprofessional.eu ip4:5.145.141.152 ~all
- facebook-domain-verification=8zdexq8q9ckie9ki7mhtfo9gl37loy
- have-i-been-pwned-verification=dweb_yhcb3fdq3n4b650g2rccnqx7
- hse2._domainkey.tc.de CNAME hse2._domainkey.hornetsecurity.com
- atlassian-domain-verification=4ojV7LcgQQ2OkboSM13atLBbJkOOhShNNZa69CCLfrKEQ0f1J8SHVyNQOH8P1fPn
- google-site-verification=AS0czUTtDz_M1hl4ZPE2W5syJKjPdona-PJqmqMXwx8
- atlassian-sending-domain-verification=6780093d-903a-43de-98be-758c9f79155b
- atlassian-domain-verification=djA914buM8NQwwRmBY8adKDDUx4iGB356gDDbYI4Czx5RHdWzQx/w5WyAdQB56mD
- MS=ms77932754
- atlassian-sending-domain-verification=276d1c77-a45b-4665-89c3-6ebc7abe1baf
- hse1._domainkey.tc.de CNAME hse1._domainkey.hornetsecurity.com
Full email verification for tc.de
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