Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
century21.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-24 14:20:50 UTC · ↺ Refresh
MX Hostnames
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 104.21.92.172
- 172.67.196.147
- 2606:4700:3035::ac43:c493
- 2606:4700:3037::6815:5cac
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.163.26 ↩ wv-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1b ↩ ww-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
sid.ns.cloudflare.com dns.cloudflare.com 2399844890 10000 2400 604800 1800
Primary NS (mname)
sid.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399844890
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tori.ns.cloudflare.com
sid.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.mailersend.net include:amazonses.com include:emsd1.com include:servers.mcsv.net include:_spf.google.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._domainkey
✓ Public key: 109 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
5 records- google-site-verification=BwpNYVwxxNHCF0UE7ZKjS9YeEBXmr9oaAyktDb39f6g
- SPFv=spf1 include:_spf.mailersend.net include:amazonses.com include:emsd1.com include:servers.mcsv.net include:_spf.google.com ~all
- facebook-domain-verification
- facebook-domain-verification=8gy3zouo8p1txzvg4yukamdmjef8ad
- google-site-verification=130TwXm5J5IPu5pnuaznVW7Kt92oX8FPA8dn8T9yjhU
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