Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
coremedia.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 23:28:25 UTC · ↺ Refresh
MX Hostnames
- coremediaag-mail-onmicrosoft-com.mail.protection.outlook.com
MX Priorities
- coremediaag-mail-onmicrosoft-com.mail.protection.outlook.com: 5
A / AAAA Records
- 217.111.0.11 (no PTR)
Mail Server IPs
- 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
- 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns0.de.colt.net do-not-reply.coremedia.com 2026021600 43200 7200 1209600 86400
Primary NS (mname)
ns0.de.colt.net
Admin Email (rname)
do-not-reply@coremedia.com
Serial
2026021600
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns8.colt.net
ns0.de.colt.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:217.111.0.10 ip4:217.111.0.2 include:_spf.salesforce.com include:6810026.spf03.hubspotemail.net include:mail.zendesk.com ip4:50.31.43.180 include:stspg-customer.com ip4:147.160.167.0/26 ip4:52.49.201.246 ip4:52.49.235.189 ip4:23.21.109.197 ip4:23.21.109.212 ip4:3.66.246.102 include:spf.protection.outlook.com include:_spf.out.byside.com ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
17 records- 490F307EC2
- atlassian-sending-domain-verification=948c996e-2fbd-4d91-82e6-0d2df10d6460
- 2kdpdqm4npb15qq518k7mnfh5vbyddv3
- atlassian-domain-verification=vqXjDvR4Gv7oairt2UttiYrPvx/E3/zoc7owTqDZKR7KU0Gh2OwSkoTw24XI0i4h
- xtgc72bh16qttxksz6765y3dtnvhghrk
- google-site-verification=VUmXKJXSzSW1s_qf13NVJfqm6kxfkkvKPYg4qnhyW-o
- anthropic-domain-verification-n2ganv=0gH7m3Iu5GxJUP0dpB1oBGppj
- docusign=b8eb51bc-f25a-4f59-b3b4-7ed13ffc58d3
- RRZoZFostXCAxVpAH8dhClukzYLEAuif/GF0K+klOfaLMSbjv7GDugWMi1EycyfMW6XfL720e7yFt/c31Zq8TA==
- docusign=01a9c9e7-b615-4382-8991-942b056f7536
- MS=ms69514438
- apple-domain-verification=VlKIdRnWQzh5Co0r
- figma-domain-verification=d4c6c1d77a4a4233c5805b066fef3ba05024e2beb504bd57d3eb21fb7061108c-1765202503
- openai-domain-verification=dv-4goL7t5xSlKYlDbGtXCGOCMj
- status-page-domain-verification=s5lf2fj2b80f
- miro-verification=0aee35f5ff712b57c322f541b3419f891f079199
- SPFv=spf1 ip4:217.111.0.10 ip4:217.111.0.2 include:_spf.salesforce.com include:6810026.spf03.hubspotemail.net include:mail.zendesk.com ip4:50.31.43.180 include:stspg-customer.com ip4:147.160.167.0/26 ip4:52.49.201.246 ip4:52.49.235.189 ip4:23.21.109.197 ip4:23.21.109.212 ip4:3.66.246.102 include:spf.protection.outlook.com include:_spf.out.byside.com ~all
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