united-internet.de

Valid Email Server
Domain Lookup › united-internet.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
united-internet.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 19:33:40 UTC · ↺ Refresh

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MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.86.44 ↩ dummy.united-internet.de
  • 217.160.86.68 ↩ dummy.united-internet.de

Mail Server IPs

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

SOA Record

Raw SOA ns-ui.ui-dns.com dnsadmin.1und1.de 2015120702 14400 3600 605000 600
Primary NS (mname)
ns-ui.ui-dns.com
Admin Email (rname)
dnsadmin@1und1.de
Serial
2015120702
Refresh
14400s
Retry
3600s
Expire
605000s
Minimum TTL
600s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.1und1.de include:spf.mailjet.com include:_uicsspf.1und1.de include:a.spf.avature.net include:_spf.zimpel.de include:spf-inm.eqs-service.com include:spf.protection.outlook.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;sp=quarantine;pct=100;adkim=r;aspf=r;rua=mailto:[email protected]
~ 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

25 records
  • canva-site-verification=hOGjXYzp3WpDVPJ1BfXXqg
  • knowbe4-site-verification=000df83216357fe9ea2188aff59f15d3
  • _telesec-domain-validation=FE7BA032C87290375A3029A01991C05CDAF69A49367DD7E800C2F1652BDE80EB
  • browserstack-domain-verification=236c704e-541f-43a4-a10f-eb51bb820499
  • adobe-idp-site-verification=544e1c199daf0cfa42a1fa60cc497471e9b14f4254769aae17f4d0fda9db275f
  • docusign=bac24c7f-ea67-4c31-8571-03382862fa55
  • MS=ms96928915
  • mindmanager-verification=1ea2fdbe5379cc0f8cfe95fa5ecfdc1ff943a7bd015aed8afb5717dad146adac
  • google-site-verification=LPltWsvCFKytIFb2_CJH_o7P38NGc-5oZsL214kU1tU
  • apple-domain-verification=gjMyeDOmoQoKdAqa
  • _ak3w1wobh84yduivx001vftkb99fs8t
  • google-site-verification=7Tx-f0DOvjzbkkdq1zfVLkcdKRrccnhFmBbNAqa3so8
  • _2sr7gy0zeo7mpz3vzsyts042zj6mme0
  • jamf-site-verification=MYI3MooLyHdOX8ioJ19JlA
  • SPFv=spf1 include:_spf.1und1.de include:spf.mailjet.com include:_uicsspf.1und1.de include:a.spf.avature.net include:_spf.zimpel.de include:spf-inm.eqs-service.com include:spf.protection.outlook.com -all
  • 86400atlassian-domain-verification=KAEkvhtoErKIDdiyb7e0wzavuISNOteHVzuoJX6M4VNN5REeLHY0BhBUYNFjFEt9
  • knowbe4-site-verification=d0abd5d2499bdc5d7cb5157bbfda2fbb
  • CFDNv4/rzkMxyp8Mi9FXwlpIES4tBm7GcksVctpYjoPuNCQdEhipdhNiIixm16GLBHRmHiWHGWSI7IeI2Mi/FQ==
  • atlassian-domain-verification=ljsdBvFyTKIO6XpFPBCGTGbRO8oT5Na53jarsXV11E9LazG9e/zPf23LCa2SeevD
  • ibmid=0a438757-7850-4d25-bca7-557535407a08
  • 491ch2p7z1dxh998wysjht3x5b0pph4m
  • docker-verification=ebf6a58c-6184-421d-b821-a67a26185c5e
  • figma-domain-verification=bf994688b54b476ea25cff12b37502eef47a3bad935472aa4fbafa862e2c3c14-1750658762
  • qz3p9jss72bwmws7cbt43b7qb1y88vm6
  • w4pl30pwb2w8jrdvz2wqytv707yz607j
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