Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
loopnet.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-02 09:05:20 UTC · ↺ Refresh
MX Hostnames
- costar-com.mail.protection.outlook.com
MX Priorities
- costar-com.mail.protection.outlook.com: 10
A / AAAA Records
- 72.247.65.37 ↩ a72-247-65-37.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:485::29f7 ↩ g2600-141b-1c00-0485-0000-0000-0000-29f7.deploy.static.akamaitechnologies.com
- 2600:141b:1c00:4a5::29f7
Mail Server IPs
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.50.7 ↩ mail-co1pr21cu00207.inbound.protection.outlook.com
- 52.101.10.5 ↩ mail-bn6pr04cu00105.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c92c::1 ↩ mail-dm6pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.costar.com hostmaster.costar.com 2026033101 10800 3600 604800 60
Primary NS (mname)
ns1.costar.com
Admin Email (rname)
hostmaster@costar.com
Serial
2026033101
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
60s
Nameservers (NS)
a3-65.akam.net
a9-64.akam.net
a22-64.akam.net
a6-67.akam.net
a4-66.akam.net
a1-73.akam.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:65.222.180.0/24 ip4:65.222.181.0/24 ip4:65.210.23.128/25 include:costar.com ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 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
30 records- segment-site-verification=EJ5XBlMRO6eNK6LEQ2G4hSLzNudjOGiN
- google-site-verification=AVV7t2lExwlFGSwrr2K-hPxAq6aViq8cKB6CQQMQDdQ
- docker-verification=fe5a3e19-1a55-4f9d-aaa4-ae1f0b91b56a
- _2j4f57rzo6nut1kznqclkbmwmiyhqw2
- facebook-domain-verification=ai2bi2l0g12u65182rlv8j0yb84dk1
- MS=ms30108235
- ZOOM_verify_wHw4ZtE0T1mMVPgwuSHBTQ
- cut8t3r196sjr7fgsk307ra8o8
- google-site-verification=IiZj4QH3zGAoUp1JS2Y2rCbPsA7Zt8K1FVmW24AuDMI
- segment-site-verification=ZKtvP2EirqqnADSurcFBIBP1UhH5TKak
- figma-domain-verification=8232118525ac89d71aa3f807657ba9e5e26cfa8f711f2e3144c4c5c7fc2aec1e-1734372308
- pardot667613=dc6abf7ce1ec5674ad80006a093fb42009188f1af7d39583883145fd0020e5ef
- _t6qvb6w9p2g2xjf35n9qo2jikqxa44w
- logmein-verification-code=5f312521-40b7-4efa-864d-daa11426c61d
- atlassian-domain-verification=LAkz2FUxxMo9oBp9qlpKyMPkFQT3p7fXn2F/dz0S07Gt8LASUog19dNicOe7njFJ
- stripe-verification=1bf83902d0e23af2db44060889e1e9f83b81e1a1cc533d1c026798ea7552ee70
- hodd31f155oqgiru8gikg8jl11
- abl0ulnlu4dinpicl2ar22ivpf
- l3e27huqj099s10rvob7pcp0ta
- _tdkq9tvjbh9k2bl3z6dydxibfcvk0nh
- SPFv=spf1 ip4:65.222.180.0/24 ip4:65.222.181.0/24 ip4:65.210.23.128/25 include:costar.com ~all
- google-site-verification=XlGNtGSzRdkr8RR8U2trI04JOKjFvYyUYo3omLtvLC0
- qIoo2EAbiBfr8TxXrEMBE0G0bqnFiCYrffv2w49v2CzKEPzByOzoDWnS7LzweT4EJQLE8JvixUgcnMSbh5SmKA==
- adobe-idp-site-verification=24664704b6bf9cad007ee8e4e6f54db759418404868491369b399f373520defd
- 780t66jsf2qt277tm40hhrr4mf
- pardot667613=e62c1cbd7b786f718b06fa3d807213aff5698269e76d782cf12b579f8ffe7482
- pardot923983=7d8e1dc8378884ee5a0b8ad3f827d9883fb4bfc1a1b2ea8abd9799e50347218a
- google-site-verification=u3QtaNKri6oImAUqNvLmX9sznXql21FSMVllaDIy-_s
- google-site-verification=1TNuV8IIrto6s8u_EbOFhIMGzxDzOJjU1hpzNFPyhNM
- MS=907928941E4C46CFFBDBCDAAC04B2974DB66DF61
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