horizonbooks.com

Registration

Registrar

Tucows Domains Inc.

Created

1996-06-11

Expires

2026-06-10 20 days left

Updated

2025-05-12

Name servers

• ns1.coslink.net
• ns1.powerc.net
• ns2.coslink.net

DNS records live

NS

• ns1.coslink.net
• ns1.powerc.net
• ns2.coslink.net

MX

• 10 mx1.emailsrvr.com
• 20 mx2.emailsrvr.com

Email authentication weak

SPF

v=spf1 include:emailsrvr.com ~all

softfail (~all)

DMARC

not published

DKIM

no key found at common selectors

Linked from (1)

• peterhellerauthor.com×1