grounded.de

Valid Email Server

Domain Overview

DNS: โœ“ 2mo ago Checker: โœ“ 2mo ago
grounded.de
Yes
โœ“ Yes
Google
No
No
โš  Yes
No
No

Checked via [email protected] ยท 2026-03-23 21:30:41 UTC ยท โ†บ Refresh

MX Hostnames

  • aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt3.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • alt4.aspmx.l.google.com

MX Priorities

  • alt3.aspmx.l.google.com: 10
  • alt4.aspmx.l.google.com: 10
  • alt1.aspmx.l.google.com: 5
  • aspmx.l.google.com: 1
  • alt2.aspmx.l.google.com: 5

A / AAAA Records

  • 217.160.0.77
  • 2001:8d8:100f:f000::200

Mail Server IPs

  • 192.178.223.26 โ†ฉ yulhrs-in-f26.1e100.net
  • 2a00:1450:4009:c0f::1a โ†ฉ yulhrs-in-f26.1e100.net
  • 173.194.76.26 โ†ฉ ws-in-f26.1e100.net
  • 2a00:1450:400c:c00::1b โ†ฉ ws-in-f27.1e100.net
  • 108.177.123.27 โ†ฉ lcscld-in-f27.1e100.net
  • 2800:3f0:4003:c0f::1b (no PTR)
  • 172.253.115.27 โ†ฉ bg-in-f27.1e100.net
  • 2607:f8b0:4004:c21::1b โ†ฉ pe-in-f27.1e100.net
  • 172.253.116.27 โ†ฉ dj-in-f27.1e100.net
  • 2a00:1450:400b:c02::1b โ†ฉ dj-in-f27.1e100.net

SOA Record

Raw SOA ns1071.ui-dns.org hostmaster.1und1.com 2017060148 28800 7200 604800 600
Primary NS (mname)
ns1071.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060148
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1071.ui-dns.org
ns1073.ui-dns.de
ns1109.ui-dns.biz
ns1118.ui-dns.com

SPF Record

โœ“ Strict (-all)
v=spf1 include:_spf.google.com -all
๐Ÿ“Š DNS lookups: 1/10
โœ“ Hard fail (-all) โ€” strict enforcement

DMARC Record

โœ“ Reject
v=DMARC1;p=reject;sp=none;pct=100;adkim=s;aspf=s;rua=mailto:[email protected];
โœ“ Reject โ€” strongest protection
๐Ÿ“‹ SPF alignment: Strict ยท DKIM alignment: Strict
๐Ÿ“ง Reports โ†’ mailto:[email protected]
โ†ณ Subdomain policy: none

DKIM Selectors

โœ“ 1 found
google._domainkey
โœ“ Public key: 392 chars (valid)
โœ“ DKIM properly configured for selector: google

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

All TXT Records

4 records
  • google-site-verification=Gb_TTIDO8fvOPiPJbITiZc2Tnb3MvfhISWuIN9rw18Y
  • google-site-verification=1FCTS3oLpFHKoxdACX3xP7AokZr--Y-FtMYkf81TNHU
  • SPFv=spf1 include:_spf.google.com -all
  • apple-domain-verification=aRtqb9MXZFAZL7LU
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