sielaff.de

Valid Email Server
Domain Lookup › sielaff.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sielaff.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-02 18:53:02 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

  • 185.183.157.187 ↩ lb01.heartbytes.de
  • 2a03:4000:1d:1e5::187 ↩ lb01.heartbytes.de

Mail Server IPs

  • 52.57.183.85 ↩ ec2-52-57-183-85.eu-central-1.compute.amazonaws.com
  • 18.159.80.41 ↩ ec2-18-159-80-41.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA ns1.your-server.de dns.hetzner.com 2026032401 86400 10800 3600000 3600
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
dns@hetzner.com
Serial
2026032401
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

ns.second-ns.com
ns3.second-ns.de
ns1.your-server.de

SPF Record

✓ Strict (-all)
v=spf1 a mx a:mail.sielaff.de ip4:62.91.28.10 ip4:80.155.161.53 ip4:138.201.30.165 ip4:185.183.157.187 ip6:2a03:4000:1d:1e5::187 a:smtp.ilmenau.sielaff.de include:_spf_euwest1.prod.hydra.sophos.com include:_spf_eucentral1.prod.hydra.sophos.com include:spf.crsend.com include:spf.protection.outlook.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; sp=none; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

14 records
  • _globalsign-domain-verification=isk4gx5MfO0570X-neLUjKNAo19n-rDT_rNGEz3nTy
  • 9f453080902444df85cdfe8a58f87252
  • apple-domain-verification=BM3J9lXKyPmVesfO
  • _globalsign-domain-verification=CSRW_RQGvWA1KElfw2YQnUkr3ZZ3AajpyC-JhLNPCc
  • autodesk-domain-verification=rT3o34v5aHbafLvaF0ra
  • google-site-verification=HD3nnIHzGjRgDo5ssv0mpBbpqzjncjvDJ71kqKDj8Oc
  • sophos-domain-verification=57e27a3e37b60aa0b5e9b15401257979194ea3caa6617b2623e461245fbe458e
  • sophos-domain-verification=d7d172c73a3ce50d8dbcf6aadf494ed64b39cbab
  • SPFv=spf1 a mx a:mail.sielaff.de ip4:62.91.28.10 ip4:80.155.161.53 ip4:138.201.30.165 ip4:185.183.157.187 ip6:2a03:4000:1d:1e5::187 a:smtp.ilmenau.sielaff.de include:_spf_euwest1.prod.hydra.sophos.com include:_spf_eucentral1.prod.hydra.sophos.com include:spf.crsend.com include:spf.protection.outlook.com -all
  • wrike-verification=NTExMzUwNjoyZWVkZWNmMWM4ZWU4ZTg4NmFiMjlmNTZjZTIwMTg4M2VlNjc5Mzg4ZmM3NTE1ZjI2NTVjOTVkMWJkN2FhMjRm
  • google-site-verification=DKMwXr9zSx7ByOqLVVEwl3wkUTXNS8DH5PHCnkSGGss
  • MS=ms89336339
  • ms-domain-verification=4f6c99a3-1f7a-4011-86cd-09405d596766
  • _globalsign-domain-verification=_yPDkbrppm1gJMpfkuQ40R9sartpoOTaYOeIE4AMz3
Full email verification for sielaff.de

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