k12courses.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP 200 2401 ms crawled 2026-05-18

US · 100.24.229.35 · AS14618 Amazon.com, Inc.

Reputation 92/100 no dmarc policy

Registration

Registrar
Amazon Registrar, Inc.
Created
2015-06-04
Expires
2027-06-04 380 days left
Updated
2026-05-16
Name servers
  • ns-1188.awsdns-20.org
  • ns-1742.awsdns-25.co.uk
  • ns-435.awsdns-54.com
  • ns-674.awsdns-20.net

DNS records live

NS
  • ns-1188.awsdns-20.org
  • ns-1742.awsdns-25.co.uk
  • ns-435.awsdns-54.com
  • ns-674.awsdns-20.net
MX
  • 10 mxa-00678201.gslb.pphosted.com
  • 10 mxb-00678201.gslb.pphosted.com
TXT
  • facebook-domain-verification=21o9620aj775jlxzq8vmp3p2ee840z
  • MS=ms88739502

Email authentication weak

SPF
v=spf1 include:amazonses.com ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

Amazon RSA 2048 M01
from 2026-01-10 to 2027-02-09
Expires in 265 days

Linked from (1)