Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rnnetwork.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 14:44:50 UTC · ↺ Refresh
MX Hostnames
- us-smtp-inbound-2.mimecast.com
- us-smtp-inbound-1.mimecast.com
MX Priorities
- us-smtp-inbound-2.mimecast.com: 10
- us-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 104.239.145.136 (no PTR)
Mail Server IPs
- 170.10.132.221 ↩ 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
- 170.10.128.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns-1425.awsdns-50.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1425.awsdns-50.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-809.awsdns-37.net
ns-130.awsdns-16.com
ns-1425.awsdns-50.org
ns-1609.awsdns-09.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com include:_spf.qualtrics.com include:_spf.bullhornmail.com ip4:149.72.225.140 ip4:149.72.218.171 ip4:168.245.3.22 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
14 records- google-site-verification=fzDrzD9FI0ZCPzT1QIikMNQUJShTItUAlSua0VVLBCg
- lD6jboKEBMaEzLt+6jEzA0QX0uf0A3GoPvQh6N2QxD+AvXC8VOBGQRaUD9evXkjXB9HFNZ/VYQo2i5cl6A74aw==
- miro-verification=f2013f9a680edeaf47c7fb3d1bc3ee4077c9ed4e
- onetrust-domain-verification=38955f564716433eac7cc434d3bf88b2
- smartsheet-site-validation=lRU7pYvasdxAos4d0FJ3LVoMbnSmxZE0
- SPFv=spf1 include:us._netblocks.mimecast.com include:_spf.qualtrics.com include:_spf.bullhornmail.com ip4:149.72.225.140 ip4:149.72.218.171 ip4:168.245.3.22 ~all
- yahoo-verification-key=d64A8xOSys01L1On/GstRr+Hb44OAaVzwqIpAN4HtN8=
- MS=ms76252921
- SFMC-x8Vbdpj8Ugijp1Rqg4xr5hoDilvTHkZrJjjrZHxx
- ZOOM_verify_ZzJv5HXsSh6hny38Y6nseg
- adobe-idp-site-verification=4e2b273f7d611cd0dc611959d2731089042cb286cc80420b0cf4df2daaaa5ec5
- atlassian-domain-verification=H2l/fGWGYZG7zgAp/pApIRWHazeBji8bgqA/qgSRbFmfrjMhItzDD/CZobAeNE9B
- calendly-site-verification=KIrR2jX1FqnqETxckjCH83XiI8hcUhpGRfKv9qMVM
- docusign=94a7b1ad-13c7-4a09-9fea-322aa0f9472a
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