arduino.cc

Valid Email Server
Domain Lookup › arduino.cc

Domain Overview

DNS: ✓ 1h ago Checker: ✓ 1h ago
arduino.cc
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-23 10:11:15 UTC · ↺ Refresh

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MX Hostnames

  • mxb-0031df01.gslb.pphosted.com
  • mxa-0031df01.gslb.pphosted.com

MX Priorities

  • mxa-0031df01.gslb.pphosted.com: 0
  • mxb-0031df01.gslb.pphosted.com: 0

A / AAAA Records

  • 3.168.102.66 ↩ server-3-168-102-66.jfk52.r.cloudfront.net
  • 3.168.102.123 ↩ server-3-168-102-123.jfk52.r.cloudfront.net
  • 3.168.102.70 ↩ server-3-168-102-70.jfk52.r.cloudfront.net
  • 3.168.102.95 ↩ server-3-168-102-95.jfk52.r.cloudfront.net

Mail Server IPs

  • 205.220.180.131 ↩ mx0b-0031df01.pphosted.com
  • 205.220.168.131 ↩ mx0a-0031df01.pphosted.com

SOA Record

Raw SOA ns-1658.awsdns-15.co.uk awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1658.awsdns-15.co.uk
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-1118.awsdns-11.org
ns-1658.awsdns-15.co.uk
ns-281.awsdns-35.com
ns-846.awsdns-41.net

SPF Record

✓ Soft Fail (~all)
v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; sp=none; aspf=r;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none

DKIM Selectors

✓ 1 found
google._domainkey
✓ Public key: 216 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

16 records
  • MS= ms89120335
  • MS=2B67318E4A9BD924AA16272F48CC1D342D566A6F
  • ZOOM_verify_jLtNYTYbRSmm1bmnmA1FaA
  • apple-domain-verification=l10INRDXn4TczzFg
  • docusign=6984bed5-e90d-4784-b6dc-108d88bdbdaf
  • dtm-domain-verification=3ns2Wh5d2iN6KB3jgAvuAgjbIvPChLFEohh6TEZOevU
  • facebook-domain-verification=zboh9pgfjzwgxtr99yajl05yyvg2tx
  • google-site-verification=200rwaFV1PUIbA52VntbYW2Ls-dRAMcdyM8XZcKgrF0
  • google-site-verification=8arU8U4qBC1S_fbIIMFpcsuXpjvjSrond3IKM58bbo8
  • google-site-verification=ZS4GItktaCpiwbSZimCnwlM1Rq91T_hRlfksfJnIIhU
  • google-site-verification=gNiEOSbLM2t17cgW7n_rUrhX1KnrccCnbO9v_V3fbCg
  • klaviyo-site-verification=TkA4FH
  • klaviyo-site-verification=V7wAyC
  • qase-373b26c83ebbeafe5bdbb337a41dcff9db5cd7c2
  • SPFv=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com ~all
  • 1password-site-verification=PSAC2AEO4RDWNHMPFP5E63IRK4
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