Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
148.fr
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 14:31:00 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- aspmx.l.google.com: 1
- alt2.aspmx.l.google.com: 5
- alt1.aspmx.l.google.com: 5
A / AAAA Records
- 51.91.251.22
Mail Server IPs
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
SOA Record
Raw SOA
ns1112.ui-dns.biz hostmaster.1and1.fr 2017070524 28800 7200 604800 300
Primary NS (mname)
ns1112.ui-dns.biz
Admin Email (rname)
hostmaster@1and1.fr
Serial
2017070524
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1112.ui-dns.org
ns1112.ui-dns.biz
ns1112.ui-dns.com
ns1112.ui-dns.de
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.sendinblue.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; pct=100; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 2 found
google._domainkey
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
6 records- Sendinblue-code:eea512da5167f180048f89b7ca217cc3
- 4t1WgrZeL7sCsBYXzaQ1qfycA3Ughi/Kh0mMIQkYM8U=
- brevo-code:6e3c98c08e3b388e6d04b0ad0838ee35
- SPFv=spf1 include:_spf.google.com include:spf.sendinblue.com -all
- google-site-verification=MJt20Httq8J-Ytqiwgxi2DUWrgZOFkTGUD-3Hzv5jaE
- google-site-verification=VF-feizWvgicMXVeWgY9c5yWw5sNUTgnRBel-PdZuNY
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