1und1.net

Valid Email Server
Domain Lookup › 1und1.net

Domain Overview

DNS: ✓ 28d ago Checker: ✓ 28d ago
1und1.net
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-27 00:21:12 UTC · ↺ Refresh

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MX Hostnames

  • mxin01hhb.1und1.net

MX Priorities

  • mxin01hhb.1und1.net: 10

A / AAAA Records

  • 212.7.147.145 (no PTR)

Mail Server IPs

  • 212.7.147.170 ↩ mxin01hhb.1und1.net

SOA Record

Raw SOA dnsdb.versatel.de hostmaster.versatel.de 2026070106 21600 3600 604800 8640
Primary NS (mname)
dnsdb.versatel.de
Admin Email (rname)
hostmaster@versatel.de
Serial
2026070106
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
8640s

Nameservers (NS)

ns01.versatel.de
ns02.versatel.de
ns04.versatel.de

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.1und1.net ip4:212.125.32.0/24 ip4:212.125.36.0/24 include:spf.dtms.de include:_spf-dc55.sapsf.eu include:_spf.zimpel.de include:spf.protection.outlook.com ip4:212.227.15.52 ip4:212.227.15.50 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

11 records
  • _9v7wtw8cftbba31zp77rckrkmn3fei8
  • msfpkey=1gnodyxnysjlagkokwzybh6kr
  • MS=ms26341291
  • docusign=a1cd71df-0801-472f-a3c3-c43bdf94cc27
  • google-gws-recovery-domain-verification=50195162
  • google-site-verification=wLmlH4P6YSmV0oQKs_PMwOiQfBkiO7Isvcz7P5TWR_E
  • figma-domain-verification=70d17714754c6905559dd08ef85db50c674a7ce5435c8282b79e2edffbea15ed-1750832307
  • dell-technologies-domain-verification=1und1.net_83d6bc3a-7f34-4295-9ee2-4aa58cb9b880_1763623082
  • SPFv=spf1 include:_spf.1und1.net ip4:212.125.32.0/24 ip4:212.125.36.0/24 include:spf.dtms.de include:_spf-dc55.sapsf.eu include:_spf.zimpel.de include:spf.protection.outlook.com ip4:212.227.15.52 ip4:212.227.15.50 -all
  • +aZFj5C5hbRg5Cn6sYWVt2rLVanpRVUH4zxsaRsMjdT7BL73yucb+wOtOwaBahaqiQkutjI94w/bdaYsNXRvPQ==
  • 72138F338404C8D6D5DB22FDB2FBE1CD10A35E8335BA5FD0AF928B5609872279
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