Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arkbluecross.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 15:31:35 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
- 104.16.4.14 (no PTR)
Mail Server IPs
- 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.221 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
- 170.10.132.141 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com
- 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
SOA Record
Raw SOA
ns37.worldnic.com namehost.worldnic.com 126030915 10800 3600 604800 3600
Primary NS (mname)
ns37.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126030915
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns37.worldnic.com
ns38.worldnic.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:us._netblocks.mimecast.com ip4:208.218.214.19 include:_spf.google.com include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 13 found
google._domainkey
selector1._domainkey
selector2._domainkey
default._domainkey
mail._domainkey
dkim._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
zoho._domainkey
sendgrid._domainkey
mxvault._domainkey
amazonses._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
22 records- logmein-verification-code=76647f6d-6eea-47c0-afc1-3eea5e729e15
- postman-domain-verification=ea1951fb776265ca7ce422bcb9116b9ca376e4337367f08ee632788a0bf41be479f71e4fe006ecc0c3b6774421f9d7db9372c5c436a1938c1f1b32c3978e6494
- ZOOM_verify_HR7D0aBGQ1CpxgXHdxa72Q
- _8ld2lgluhm8lcnwd9qz86u2pbjw8ob2
- asv=9da744250f88e2687a92f04bf9305585
- hcp-domain-verification=85c078b58b4bf339e0efb269c4d774ead51c497d41fd942a3d7cd6cea782879a
- Dynatrace-site-verification=e73c624b-cacf-4c85-921f-179768f6579b__nvqbb250057chkoknv4f9ssoj4
- docker-verification=d7b3e7d4-951a-4c82-a09b-40ec204aad99
- MS=EF6B18CFF8779015EC29F4023B640731CB7C6FAF
- vmware-cloud-verification-5bcf39e1-8137-49cd-b9c3-0d872fc7cf73
- 0ed1fe018a00c24449a7584c4bb31989
- SPFv=spf1 include:us._netblocks.mimecast.com ip4:208.218.214.19 include:_spf.google.com include:_spf.psm.knowbe4.com ~all
- postman-domain-verification=b3f2fc0e9e90cb51034560e2b1159a30783e508bb3f247856d912f22187e0d1aaf07127047cf4d9e6a301ed04f1d017e211e19ca76d023760e43e6b2d954a277
- vmware-cloud-verification-624adb7b-b431-4c31-bab6-38a417233816
- flexera-domain-verification-vznmtxieplakubvi
- SIYVzwQcVL5ATKnGQwPzhHmo5H2FDdJORys6Oc078FJpufXM9xyZWdsI5vzQCpWqKfOrXSJS9227HvBV0SPLmQ==
- adobe-idp-site-verification=d22c5c3f62a867cd8cd45189245da9ead28966e6c2c693cc498897d5724124e3
- ZA=3vlYOYLR+5k25pT4Sdc820Ymb9y67qxWurUkySqeG4Y=
- 00D15000000FYvd=1TBV100000001Qj
- _xa1y0boih5p8xt80lsahgu3whpwypcv
- mongodb-site-verification=FQBEv2j2IpD70aeN7AFBpnXQC8OSMmXw
- apple-domain-verification=05sloMP7CSGdpR4a
Full email verification for arkbluecross.com
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