Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sundo.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 09:26:31 UTC · ↺ Refresh
MX Hostnames
- mx-02-eu-central-1.prod.hydra.sophos.com
- mx-01-eu-central-1.prod.hydra.sophos.com
MX Priorities
- mx-02-eu-central-1.prod.hydra.sophos.com: 20
- mx-01-eu-central-1.prod.hydra.sophos.com: 10
A / AAAA Records
- 217.160.0.189 ↩ 217-160-0-189.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::27e ↩ 2001-08d8-100f-f000-0000-0000-0000-027e.elastic-ssl.ui-r.com
Mail Server IPs
- 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com
- 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
SOA Record
Raw SOA
ns1083.ui-dns.com hostmaster.schlund.de 2016110808 28800 7200 604800 300
Primary NS (mname)
ns1083.ui-dns.com
Admin Email (rname)
hostmaster@schlund.de
Serial
2016110808
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1083.ui-dns.biz
ns1083.ui-dns.com
ns1083.ui-dns.de
ns1083.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf_eucentral1.prod.hydra.sophos.com include:spf.dc-cluster.de include:spf.crsend.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; ruf=mailto:[email protected]; adkim=r; aspf=r
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- SPFv=spf1 include:_spf_eucentral1.prod.hydra.sophos.com include:spf.dc-cluster.de include:spf.crsend.com -all
- hfpnsjj148c0geh4cup2jjpuev
- MS=4A927C83BF6F40EF4CD95DB8647319E4DF82EB29
- sophos-domain-verification=8f8466d99e1c3577edc4d670a286105b94fbd30d
- qb92nphkfnshf8ls291hg2r7qa
- 1hkvrv2j8ccu1qcfrf6caespn0
Full email verification for sundo.de
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