Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
trgc.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 15:50:30 UTC · ↺ Refresh
MX Hostnames
- usb-smtp-inbound-1.mimecast.com
- usb-smtp-inbound-2.mimecast.com
MX Priorities
- usb-smtp-inbound-2.mimecast.com: 10
- usb-smtp-inbound-1.mimecast.com: 10
A / AAAA Records
- 13.107.213.40 (no PTR)
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
ns-455.awsdns-56.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-455.awsdns-56.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-455.awsdns-56.com
ns-783.awsdns-33.net
ns-1231.awsdns-25.org
ns-1916.awsdns-47.co.uk
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:198.37.159.11 ip4:167.89.9.144 ip4:198.37.146.142 ip4:198.37.159.153 ip4:198.37.159.154 ip4:23.253.183.16 ip4:208.75.123.0/24 ip4:167.182.77.236 include:_spf.messagegears.net include:spf-a.trgc.com ~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]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- knowbe4-site-verification=540a2fb1810f874042b6c46918f4fd84
- SPFv=spf1 ip4:198.37.159.11 ip4:167.89.9.144 ip4:198.37.146.142 ip4:198.37.159.153 ip4:198.37.159.154 ip4:23.253.183.16 ip4:208.75.123.0/24 ip4:167.182.77.236 include:_spf.messagegears.net include:spf-a.trgc.com ~all
- DocuSign=c1ecc594-cb7a-4db8-83f0-59d6c8541335
- MS=ms11871908
- MZjGwTo2aEjfwXwxs2m1oiDtoKoL9BvM17lrtFMUkCyrYOydcYIFeSZ4ZYRwpg0JKfXwiUliAYi5d7UyjHQWTA==
- S56QzHoObk7c6o4/Gx9zRk6lEhJ7JT42paM4rgIXxw4lx1XJmfWlD2XQTlGV/1qcruXZOzm3MwNL7rcDH8T2JQ==
- atlassian-domain-verification=VU7xgQiZZa3avZ4LTJOsUdMn6RqZi0eGbU3Dk4MSPmi12S6yFEvEh/I8tLFNxlcr
- google-site-verification=gys9BFv_MBrToHX52YHSIEcZ54TLEAERcURyQXV34vk+
Full email verification for trgc.com
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