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ostbergassociates.com

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First seen 2026-05-30 · Last seen 2026-05-30 · pending crawled 2026-05-31

US · 150.171.109.34 · AS8075 Microsoft Corporation

Reputation 100/100

body exceeded 2097152 bytes

Registration

Registrar
Tucows Domains Inc.
Created
2007-06-14
Expires
2027-06-14 377 days left
Updated
2026-05-16
Name servers
  • ns1-37.azure-dns.com
  • ns2-37.azure-dns.net
  • ns3-37.azure-dns.org
  • ns4-37.azure-dns.info

DNS records live

NS
  • ns1-37.azure-dns.com
  • ns2-37.azure-dns.net
  • ns3-37.azure-dns.org
  • ns4-37.azure-dns.info
MX
  • 10 mx1.hc6805-81.iphmx.com
  • 10 mx2.hc6805-81.iphmx.com
Verified for
  • Microsoft 365

Email authentication strong

SPF
v=spf1 ip4:206.210.0.0/19 include:sendgrid.net exists:%{i}.spf.hc6806-15.iphmx.com -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; rua=mailto:dmarc_agg@vali.email
policy: quarantine
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-20 to 2026-06-18
Expires in 16 days

Full certificate history on crt.sh ↗

Linked from (1)