Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
polymershapes.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-01 03:47:15 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 141.193.213.21 (no PTR)
- 141.193.213.20 (no PTR)
Mail Server IPs
- 170.10.128.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
ns1.p201.dns.oraclecloud.net hostmaster.polymershapes.com 23 3600 600 604800 1800
Primary NS (mname)
ns1.p201.dns.oraclecloud.net
Admin Email (rname)
hostmaster@polymershapes.com
Serial
23
Refresh
3600s
Retry
600s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
ns2.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net
ns3.p201.dns.oraclecloud.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ip4:173.252.189.164 ip4:173.95.8.19 include:_spf.robly.com include:spf.protection.redatatech.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; sp=quarantine; fo=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- SPFv=spf1 include:spf.protection.outlook.com include:us._netblocks.mimecast.com ip4:173.252.189.164 ip4:173.95.8.19 include:_spf.robly.com include:spf.protection.redatatech.com -all
- MS=ms81278466
- apple-domain-verification=mp3teJY5CxPtKy4b72r2sYIe68brbN163BUS4NQ6WP4
- DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCodRUEG0Q9jCaL0R4Prwo5SkMeymnNr9eZTAp6BnKVABaMpeOwnaP1k2LEfQp4Wl8qOHZDNMhP8oRMySYUK3NNf0hNWFeGBSqRXk4RDPfxX2DDSbRHj1P/I4EEJR1nGi95QZ7m4XlWqrvjNZV0siXRyO8VAspoQer74N9mqh8mSwIDAQAB
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