Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
copper.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 23:57:49 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 100.50.113.175
- 52.201.133.245
Mail Server IPs
- 172.253.139.27 ↩ yuiadsk-in-f27.1e100.net
- 2607:f8b0:4004:c08::1b ↩ bi-in-f27.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-f26.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
SOA Record
Raw SOA
ns-1247.awsdns-27.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1247.awsdns-27.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1571.awsdns-04.co.uk
ns-366.awsdns-45.com
ns-1021.awsdns-63.net
ns-1247.awsdns-27.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:_s00307712.autospf.email ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=70; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 70% of failing messages only
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._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
18 records- slack-domain-verification=2IMZbHuuy7i1lWr9f6gqHuqVMrPebucVj8SU3GOU
- 1password-site-verification=KHB53H3UWRFINEWHKO436QALBE
- apple-domain-verification=rU9Drq7sWkPGp8CL
- google-site-verification=BF4Ox6gn4BtcUtmrgKsVaW8gMI4sk9TMd_IE7kiuTlY
- mixpanel-domain-verify=b09fb728-b0f7-4047-8d67-1eb40d26aa3c
- atlassian-domain-verification=XQSY/qa8q/5F9oJN/1aNe4u9rCJTaWjEaxUz7zhbs3zX7aUXWAMu4Bqb5LQUvzdJ
- MS=F75FC3354F96C6ABDF99E546EE011D336D1E62F1
- google-site-verification=BHIbs0gfdwx1jetMBRwc-k2FxLUouOSaV9f-auBJikE
- segment-site-verification=bjrpCOlMx0nIeU1h82AGqECoII44HttG
- openai-domain-verification=dv-SFu2wh9PW3m2GJvifCD4Do7G
- google-site-verification=IqjJiEPQSX8C3-EdhOP_z_WYM7gh4nBObw40B8KZTiM
- MS=ms43690312
- mixpanel-domain-verify=ae27375e-96eb-4fe6-8570-9e5bf11ca269
- rippling-domain-verification=b083f747c7b4f23f
- anthropic-domain-verification-wee2hh=afz4bAf4jox11Gqzoln6p9epE
- postman-domain-verification=d67f81056715c96be49515246ef0682d852dc6c69e07d425f842e4e51817e4c8d2611ad64f86331c56f4e0a38667c9715e23041a67e559c1af49c9696b920f64
- abuseipdb-verification=8xmXA9BW
- SPFv=spf1 include:_spf.google.com include:_s00307712.autospf.email ~all
Full email verification for copper.com
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