Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
holcim.co.uk
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 18:46:55 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
- alt3.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
- 99.81.123.195
- 63.34.69.57
- 34.250.235.230
Mail Server IPs
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 172.253.62.27 ↩ bc-in-f27.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-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
ns01ch.holcim.com dns-hgrs.holcim.com 2019021372 3600 900 2419200 600
Primary NS (mname)
ns01ch.holcim.com
Admin Email (rname)
dns-hgrs@holcim.com
Serial
2019021372
Refresh
3600s
Retry
900s
Expire
2419200s
Minimum TTL
600s
Nameservers (NS)
ns01ch.holcim.com
ns01us.holcim.com
ns02ch.holcim.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_spf.salesforce.com include:_spf1.holcim.co.uk ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
google._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
8 records- smartsheet-site-validation=Pgpmd0CWXaq2GwE4iW1iDrHfbTjFTXdT
- SPFv=spf1 include:_spf.google.com include:_spf.salesforce.com include:_spf1.holcim.co.uk ~all
- b3a7e3cdb288dcbbe60a7c2367d5ef17
- docusign=89e93508-5519-447a-9516-6fbb723ce56e
- google-site-verification=4n9IeP4Y92U3LN7glRHP_E5MJ0aAKwL4dSBu34Ax6ys
- google-site-verification=dp-PMp6yUyrD2iEStZIbeI5Bkut-T6h6_uaZVZLf25U
- knowbe4-site-verification=d0cbf0c02eeaf7c5e79620706b39e132
- sending_domain1074193=8bd9111a401839cb0a7ec40ea67213f6332fb7e466f462063b4fa08a7bdbbb50
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