1und1.de

Valid Email Server
Domain Lookup › 1und1.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
1und1.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 09:28:58 UTC · ↺ Refresh

MX Hostnames

  • mxint02.1and1.com
  • mxint01.1and1.com

MX Priorities

  • mxint01.1and1.com: 10
  • mxint02.1and1.com: 10

A / AAAA Records

  • 217.160.72.6 ↩ www.1und1.de
  • 2001:8d8:5ff:7::1:3 ↩ www.1und1.de

Mail Server IPs

  • 212.227.17.16 ↩ mxint01.1and1.com
  • 212.227.126.206 ↩ mxint01.1and1.com
  • 212.227.126.207 ↩ mxint02.1and1.com
  • 212.227.17.17 ↩ mxint02.1and1.com

SOA Record

Raw SOA ns-1and1.ui-dns.de dnsadmin.1und1.de 2013092367 10800 3600 604800 600
Primary NS (mname)
ns-1and1.ui-dns.de
Admin Email (rname)
dnsadmin@1und1.de
Serial
2013092367
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns-1and1.ui-dns.com
ns-1and1.ui-dns.org
ns-1and1.ui-dns.de
ns-1and1.ui-dns.biz

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.1und1.de include:_uicsspf.1und1.de include:_spf.zimpel.de include:spf.protection.outlook.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;rua=mailto:[email protected];ri=86400;aspf=r;adkim=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine

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

28 records
  • y19zp3xfq9q6h3sxtgdxnztm1t1cyvyn
  • google-site-verification=scsrjP2WSsEhQuHP-JwaMt73YzmcDUM2ypvi_mq-HL4
  • google-site-verification=iK1ntngp22OUuEF9QgtlJYsoGOKBox8nEKnlbWvFVTY
  • l3chxv5x4kgsntw0pql423z0kwpbb9y4
  • MS=ms72401757
  • _vu30k3kbho6lel2aw7wz0l7924x7xrp
  • MS=ms60767331
  • figma-domain-verification=fbc6bfa04d2d2fd5e3a4fa49366e95c0f56c70b358263a4cc7cd72ba8bc573f8-1749541366
  • google-site-verification=FfeqcVTO1mee1wYkB9yM6QrLZOyme1zf9vtZUXp-qls
  • docker-verification=5991cc66-098a-4205-b8f1-c1d7a59c43a8
  • _ch2kennufs63l44dk43iplssxf901x7
  • mdbct0g56gmy5gryrmd4nmb2lbsm9pmq
  • facebook-domain-verification=9ezukrd1aasxq2gicbnxyo6whehtxk
  • google-site-verification=NJHrqsz0okE4ONv7jdtK4qYbktUxf_FWxAphPoebo6E
  • nm9md4l1ln3j145qtzdzg0913x49nk4l
  • rmf0qmd6yy6tqs25h1dxqq4jdnhyp3p9
  • _ujy7u3gmmgfgqttlix10167nhkrg7w8
  • _telesec-domain-validation=336264_2024-12-06_w7hJGfkIRhoTpHPfHGMYLLyHMWQZv6IFyogpa8jm7RTYNjsXad
  • 60ch0ggghydqhmxbnyz1jv01z4j3hgcj
  • browserstack-domain-verification=ce54a9ff-ac06-40ce-9e56-5a9e156053dd
  • mindmanager-verification=1ea2fdbe5379cc0f8cfe95fa5ecfdc1ff943a7bd015aed8afb5717dad146adac
  • SPFv=spf1 include:_spf.1und1.de include:_uicsspf.1und1.de include:_spf.zimpel.de include:spf.protection.outlook.com -all
  • miro-verification=f357f6589aae087ac2628eb14ffb483eaad4afd8
  • docusign=5b733e1d-784b-4f07-98d9-4262d190eef3
  • 86400atlassian-domain-verification=KAEkvhtoErKIDdiyb7e0wzavuISNOteHVzuoJX6M4VNN5REeLHY0BhBUYNFjFEt9
  • 68wp9cb25cqsbvwr51vv5rpss5ym9tss
  • kTWjWA7d16oGqSDCEOm5V9LMs4jAwKT85TH5GO2X4/WzQuw0/+CdMYO6Ta4XORCAxxmtcl7Ta1eDNF/oALKyNQ==
  • canva-site-verification=hXpNeRepGTb5z9-PE6yYeg
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