Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
repligen.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 21:35:38 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-1.mimecast.com
- us-smtp-inbound-2.mimecast.com
MX Priorities
- us-smtp-inbound-1.mimecast.com: 10
- us-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 104.20.22.252 (no PTR)
- 172.66.175.23 (no PTR)
- 2606:4700:10::ac42:af17 (no PTR)
- 2606:4700:10::6814:16fc (no PTR)
Mail Server IPs
- 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-2.mimecast.com
SOA Record
Raw SOA
harvey.ns.cloudflare.com dns.cloudflare.com 2399160911 10000 2400 604800 1800
Primary NS (mname)
harvey.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399160911
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
harvey.ns.cloudflare.com
holly.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=9kf4psle._spf._d.mim.ec
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
10 records- ca3-879e65a085bc4ac29ffcf425d6917763
- google-site-verification=bCasN0SUFNBDO-Jvlkhg3k_A06_9-tcEtoIYqBQyjac
- google-site-verification=bzHu_q102Lo-McDu-bxkiEDodheyICu5v_-A24Kb7vI
- google-site-verification=eVjpkebVwnUO4RssTUM_YUjuwTvaOsftuhaonuaRTMc
- ilSntCBhtvAlcbMO9fPuwfNxZ6J2fPAMmvJTpKTK3zchRb6PqhS4ny8fjRsVqbBUSvIItVSTzlB4DP/CVmmV5w==
- pardot463902=db5332d23c847ef243916e1ffd87d3b2c99d263c5aec6ca31914dcd4a6d589ac
- smartsheet-site-validation=UdP2mQeHk7UmpyIVaA5lnBGRCpFRXg7-
- SPFv=spf1 redirect=9kf4psle._spf._d.mim.ec
- 00da0000000jtwhmaw
- atlassian-domain-verification=Wqgze53jvDnZhQwVfLwtZw3/Rs197BQQr0XuzsnFvbYG52fCx7pk1s2M+oxJ4gKr
Full email verification for repligen.com
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