Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
crystal.com.co
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-25 22:38:42 UTC · ↺ Refresh
MX Hostnames
- crystal-com-co.mail.protection.outlook.com
MX Priorities
- crystal-com-co.mail.protection.outlook.com: 15
A / AAAA Records
- 20.237.29.30 (no PTR)
- 190.145.188.164 (no PTR)
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.41.54 ↩ mail-sj2pr05cu00506.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 2a01:111:f403:f90c:: ↩ mail-sn1pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.dnsmadeeasy.com dns.dnsmadeeasy.com 2009010459 43200 3600 1209600 180
Primary NS (mname)
ns10.dnsmadeeasy.com
Admin Email (rname)
dns@dnsmadeeasy.com
Serial
2009010459
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns13.dnsmadeeasy.com
ns15.dnsmadeeasy.com
ns14.dnsmadeeasy.com
ns11.dnsmadeeasy.com
ns12.dnsmadeeasy.com
ns10.dnsmadeeasy.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:190.145.188.134 ip4:190.145.188.149 ip4:192.185.137.4 ip4:52.249.250.209 ip4:20.119.16.4 include:spf.masterbase.com include:_spf.embluemail.com include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com include:amazonses.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 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
38 records- vs7b9gn73o3krrjh6q5cmrmg66
- ahvhgphvl32jsqo98lu412d6b3
- 8avfnqm8e2fjndp9jbje72eoau
- 9th1g8v65eribg95mfdqhbhvbr
- 4pr13fn36m285ik69ilcij63o
- vsb2mh3c5pfrgcck1dh31rtdh2
- 9171qaem378lbuqpehcvljcqqi
- doqvo54klutse863n02alob48h
- hj3foli3edk5v2g9eca102f38h
- hg0gttbea8l1b9e62n0ic9u5pa
- 67jbroqmnkmcb9crrs567rmpa2
- openai-domain-verification=dv-LrIAPVMdmo7d70XAnT8RTb6d
- trend-micro-v1-domain-verification.0c86fbd5c0d76ea49c9b86779c95cea9=9b6bf0b5-49e6-46e8-9c9a-7eae6239d416
- mf6mttpdskevtnaocm4kqpt81k
- o3nah2jjle410tdd3lr0re7qnp
- g67al6ionpgqmng91516r1hcnj
- e5rproovsstph531qnj48lbe0p
- fhqutg01tgdq0pm1rc87er4u4k
- sophos-domain-verification=47c1edb80bac42bebe877c122bee2a897fea9427b3d9b685bcd490449653dae5
- 2snnk2s4dqq9qvdbvo1d8rjva2
- vcmm3kut8vq26jvhfgqahkkcra
- apple-domain-verification=JHfaGXrlvWjq5QFF
- kme8m8c36aihrl97odkjrn613
- 4ila55mbn6rihie33l6pb7cmf0
- ki6c2q1fsouh5qie1hhgq4h38m
- 7f6ig6ev0quuhupd33v3bkfono
- e9k9hpppgt1n8tnn2jao4ouqdg
- hn2suki8f9sn7mokbvs2q4gods
- lqbl5mj01rpujrtqt20d4g49h
- f8a20b6e3ca8f4ce22ade2bf3c5c03
- SPFv=spf1 ip4:190.145.188.134 ip4:190.145.188.149 ip4:192.185.137.4 ip4:52.249.250.209 ip4:20.119.16.4 include:spf.masterbase.com include:_spf.embluemail.com include:spf.protection.outlook.com include:_spf.prod.hydra.sophos.com include:amazonses.com ~all
- 272sk0682cuu4ilc9j24f186j0
- onr93kkc9n6ke2icgmju05p6qe
- 3B956ACF67538DB85A48E5B6DB1BB2BD07953621C74A963AE4521AE92149A156
- uuos1lb4aramevoc12946uhlb2
- mk5uop74b145h33jtv6odiem8u
- 8053ic72paomsa7h97hhol0gfl
- 92o8blps9vb5albf1grjnek3bf
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