Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
astm.org
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 22:51:37 UTC · ↺ Refresh
MX Hostnames
- extmaila.astm.org
- extmaild.astm.org
MX Priorities
- extmaild.astm.org: 20
- extmaila.astm.org: 30
A / AAAA Records
- 3.168.102.29 ↩ server-3-168-102-29.jfk52.r.cloudfront.net
- 3.168.102.36 ↩ server-3-168-102-36.jfk52.r.cloudfront.net
- 3.168.102.75 ↩ server-3-168-102-75.jfk52.r.cloudfront.net
- 3.168.102.60 ↩ server-3-168-102-60.jfk52.r.cloudfront.net
- 2600:9000:2807:2800:1d:d45f:4300:93a1 (no PTR)
- 2600:9000:2807::1d:d45f:4300:93a1 (no PTR)
- 2600:9000:2807:ce00:1d:d45f:4300:93a1 (no PTR)
- 2600:9000:2807:fe00:1d:d45f:4300:93a1 (no PTR)
- 2600:9000:2807:ba00:1d:d45f:4300:93a1
- 2600:9000:2807:5a00:1d:d45f:4300:93a1
- 2600:9000:2807:3400:1d:d45f:4300:93a1
- 2600:9000:2807:c200:1d:d45f:4300:93a1
Mail Server IPs
- 69.7.229.119 ↩ extmaild.astm.org
- 198.137.232.10 ↩ extmaila.astm.org
SOA Record
Raw SOA
udns1.cscdns.net hostmaster.cscdns.net 2017041560 86400 86400 86400 86400
Primary NS (mname)
udns1.cscdns.net
Admin Email (rname)
hostmaster@cscdns.net
Serial
2017041560
Refresh
86400s
Retry
86400s
Expire
86400s
Minimum TTL
86400s
Nameservers (NS)
udns2.cscdns.uk
udns1.cscdns.net
SPF Record
✓ Strict (-all)
v=spf1 include:spf1.astm.org include:spf2.astm.org include:spf3.astm.org -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; 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
15 records- beautifulai-site-verification=117aa464-3edc-4d9a-92b5-83150239882a
- google-site-verification=5ASwgqk0yoC7JfZXhU8MSqIt9wIV7dk4FpM5dcIu4Bo
- _globalsign-domain-verification=-2f4OJV09KbNKpJsjGqOEAHNSJJavfxLaUaJEC5gym
- SPFv=spf1 include:spf1.astm.org include:spf2.astm.org include:spf3.astm.org -all
- IJQuZ//ViqCC1s43G+2ecQVtVkRb2hIRkkvTUz+9aG1CYtFBwUQgGpdBltm1JdzBEsR+3C8s+G2ayd0WZAoAPg==
- cisco-ci-domain-verification=372326fa1b497cf49fbf5c6fc9fd9ef148d159869a7c5dd8c67d014d89fd8a03
- atlassian-domain-verification=MnDGRTalCpT4L4kLQSbEz7lUzITWxd2tyy/VdHHruM6vTGymDPrR60Iv2eov09eC
- atlassian-domain-verification=OxsbIkeGaGaeTHrCApNffgTKF3NfnzFyfr/OYOAS1yaBv9SDl4CQN28JQl4Z8MKY
- MS=ms31507730
- 00DC0000000QKmp=1TBRP000000023R
- 00DO9000002ITnB=1TBO90000000HQf
- apple-domain-verification=4Dp6r0hZ0Uzjuca5
- status-page-domain-verification=7qdvkyw6gmml
- jamf-site-verification=i31mJAwcVNpmFnRzDR_E9Q
- UK-federation-domain-verification=393ccc236421bf9cfbdd12fcd3fd5c00
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