Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ostrom.de
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 01:17:00 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt3.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
- 198.202.211.1
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.122.27 ↩ bh-in-f27.1e100.net
- 2607:f8b0:4004:c21::1b ↩ pe-in-f27.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
ns-586.awsdns-09.net awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-586.awsdns-09.net
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-2019.awsdns-60.co.uk
ns-409.awsdns-51.com
ns-586.awsdns-09.net
ns-1069.awsdns-05.org
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:18.198.111.219 include:_spf.google.com include:trustpilotservice.com include:amazonses.com include:intercom-mail.com include:stspg-customer.com include:outbound.intercom.ostrom.de include:mailgun.org ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; adkim=s; aspf=s; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
google._domainkey
k1._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
9 records- status-page-domain-verification=4flsb8nxsct9
- SPFv=spf1 ip4:18.198.111.219 include:_spf.google.com include:trustpilotservice.com include:amazonses.com include:intercom-mail.com include:stspg-customer.com include:outbound.intercom.ostrom.de include:mailgun.org ~all
- MS=ms17402387
- _bgsjcnvnmirpojvwmr5ugk5qgiwxzon
- _q4wu2ytt8b8tlgbx8yw9xvakex7tqmm
- _xyg3v5hsfcvvotudp31nrj3ozpsnhpm
- apple-domain-verification=5dj7ktjXUvWRzgoC
- google-site-verification=YwcZqYJaYLKguUjbNYZbjQpTEP7FLkMctYJ29q5msPk
- notion_verify_1HFd5oNc6uPdbW91L0jg1C144GkD6esEXgjnFgQA28xwBWKMAFaAvgWZtDVVCCmxPhnYk2
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