Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zenbooks.ca
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 06:24:38 UTC · ↺ Refresh
MX Hostnames
- aspmx3.googlemail.com
- aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx2.googlemail.com
MX Priorities
- alt1.aspmx.l.google.com: 5
- aspmx2.googlemail.com: 10
- aspmx.l.google.com: 0
- alt2.aspmx.l.google.com: 5
- aspmx3.googlemail.com: 10
A / AAAA Records
- 75.2.60.5 ↩ acd89244c803f7181.awsglobalaccelerator.com
Mail Server IPs
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c06::1a ↩ bg-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.116.26 ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns1072.ui-dns.org hostmaster.1und1.com 2017060137 28800 7200 604800 600
Primary NS (mname)
ns1072.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060137
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1081.ui-dns.biz
ns1114.ui-dns.com
ns1117.ui-dns.de
ns1072.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:sendgrid.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- ca3-4259932906ec407d9dd568bc07e89444
- linkedin-site-verification=15272ada-61fc-4758-a61c-ea777cbc236f
- SPFv=spf1 include:_spf.google.com include:sendgrid.net -all
- facebook-domain-verification=lyo5mb22ilhrohyd1jctmti8hpqpc7
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