Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rga.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 07:10:55 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-1.mimecast.com: 10
- usb-smtp-inbound-2.mimecast.com: 10
A / AAAA Records
- 3.171.139.57 ↩ server-3-171-139-57.jfk52.r.cloudfront.net
- 3.171.139.128 ↩ server-3-171-139-128.jfk52.r.cloudfront.net
- 3.171.139.90 ↩ server-3-171-139-90.jfk52.r.cloudfront.net
- 3.171.139.64 ↩ server-3-171-139-64.jfk52.r.cloudfront.net
Mail Server IPs
- 170.10.152.242 ↩ usb-smtp-delivery-2.mimecast.com
- 170.10.150.242 ↩ usb-smtp-delivery-2.mimecast.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009010585 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009010585
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns12.digicertdns.com
ns13.digicertdns.net
ns11.digicertdns.com
ns15.digicertdns.net
ns14.digicertdns.net
ns10.digicertdns.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:20.40.219.23 ip4:172.169.60.242 ip4:20.39.51.124 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:mg-spf.greenhouse.io include:49893652.spf05.hubspotemail.net -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
23 records- openai-domain-verification=dv-idzLkmxcqdAw9mAindX4L7mC
- atlassian-domain-verification=yLEBcGsfJtou/vL0Kk0rPb877wItvIPZf9RAei2+jUHwlQuGF1+y2h/KtNonHXHj
- "miro-verification=95acd2c665a3dfae411cd042d5732d1834157a4f"
- "Z8hajnmtPlexw31ba+/ovfSo96YjlF8OMrcewRvRWOuxN6WWDeWR/WZhQHiRzD7FCGdSrk9IaMgns3QYdvLZmg=="
- cloudhealth=12ada83e-9960-435b-a1a1-b92239dfbc3e
- "asv=f123eaa0687d37a1d6ea79b07b01f8f1"
- "apple-domain-verification=dVVS3zFadyVA9tmg"
- "msfpkey=xf3g50tcmm85gv2xx6h9v6pg"
- _ou7qql7o8zu3qq2zia7rvcvyy5w64ko
- "ZOOM_verify_J7DIQgvYTkCmU-WncaUTGw"
- SPFv=spf1 ip4:20.40.219.23 ip4:172.169.60.242 ip4:20.39.51.124 include:usb._netblocks.mimecast.com include:spf.protection.outlook.com include:mg-spf.greenhouse.io include:49893652.spf05.hubspotemail.net -all
- "cisco-ci-domain-verification=12e5ecafdf6e6073d25a2ef7397d8f6f1e0392ce91b3c545571e2aef26f4a96b"
- smartsheet-site-validation=JpPET862RMd2kCO_skgoWqOC47qf7NDd
- 0ed1fe018af35a48de91ce471e9b8e22ec1d2af527
- jamf-site-verification=jXngqHTTvugX5TSGJxvqZw
- 836ecc5c5d3c4f7fa2f63347552efa40
- pardot378312=0a28b21597788a9389767471b8c830a9af2b2f6a69b596ffbaafc50663c6ee9d
- "atlassian-domain-verification=my7oCMA5K4XD6kaMYwiaxcb12aC0k1vx2F5QnkTN8pBMaCFeiJnrMurXhILGDydG"
- cloudhealth=158fbb70-5be6-426d-b452-9a59c0f24021
- elevenlabs=c2MddtuvT6C40LR8u2tbElh6wou7urCkzXNOLVz0k7I
- "openai-domain-verification=dv-GdOOfp0lUtpiMF6BDTIO7t8O"
- wiz-domain-verification=26e9e34dc7ec6a1e1a675c36fb5d474c0909d3c788eb86d89f31daa2ba561e25
- smartsheet-site-validation=Roz07jDiDZ59B8HjNytPhhA178AQFuxz
Full email verification for rga.com
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