indexo.dev

marinerslearningsystem.com

.com crawl

First seen 2026-04-22 · Last seen 2026-05-16 · ok HTTP/1.1 200 1559 ms crawled 2026-05-16

US · 172.66.171.195 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Mariners Learning System: USCG Captain's Licensing Online
Description
Take recreational and commercial boating courses on-the-go through Mariners Learning System. We offer USCG-approved captain's license training and testing.
Language
en
Canonical
https://marinerslearningsystem.com/

Open Graph

url
https://marinerslearningsystem.com/
title
Mariners Learning System: USCG Captain's Licensing Online
site name
Mariners Learning System
description
Take recreational and commercial boating courses on-the-go through Mariners Learning System. We offer USCG-approved captain's license training and testing.

Technology

CDN
Cloudflare
CMS
Shopify
Third-party hosts loaded (23)
  • cdn.shopify.com×7
  • cdn.jsdelivr.net×3
  • cdn-widgetsrepository.yotpo.com×2
  • cdnjs.cloudflare.com×2
  • shop.app×2
  • api.config-security.com×1
  • app.consentmo.com×1
  • cdn.callrail.com×1
  • cdn.consentmo.com×1
  • cdn.shopifycloud.com×1
  • conf.config-security.com×1
  • config.gorgias.chat×1
  • config.gorgias.help×1
  • content.9gtb.com×1
  • fonts.shopifycdn.com×1
  • js.hs-scripts.com×1
  • monorail-edge.shopifysvc.com×1
  • static.klaviyo.com×1
  • storage.consentmo.com×1
  • v.shopify.com×1
  • vimeo.com×1
  • workers.consentmo.com×1
  • www.youtube.com×1

Social

Contact

Phone
Address
st to find out about new products and exclusive offersCopyright © 2026

Registration

Registrar
GoDaddy.com, LLC
Created
2005-11-12
Expires
2028-11-12 906 days left
Updated
2024-11-26
Name servers
  • ns1.milesdns.com
  • ns2.milesdns.com

DNS records live

NS
  • ns1.milesdns.com
  • ns2.milesdns.com
  • ns3.milesdns.com
MX
  • 10 marinerslearningsystem-com.mail.eo.outlook.com
TXT
  • Currently: v=DMARC1; p=none; pct=100; rua=mailto:milesadmin@marinersschool.com
  • klaviyo-site-verification=UFSXww
Verified for
  • GlobalSign
  • Google
  • Meta
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com include:mktomail.com include:3305778.spf10.hubspotemail.net ip4:209.126.21.0/24 ip4:74.118.244.0/22 ~all
softfail (~all)
DMARC
v=DMARC1; p=reject
policy: reject (enforced)
DKIM
Show 4 DKIM selectors
  • default: v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDdjSa/1eOGpiWoGWyGCeUJeOyJzp5zDiQqG7+CueqNr3VcBT3fHSKb7KgeWpoVlEKz0VW/Ls/dh6NWtIfKLKog…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsP/8gzP2j4YBbJker+2Ji0PuOLaUGcEnsS1bJZ3DPkl5BBm1IPdYrhXkU6cePuK7kSpdJbdcD9HhzVMOad…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDLfa4ucK5J3t5FPK/IDsIAFBaGJmfpJJ8uzVL1SJ1Fb78aNvtAVlLnRFmsUhiYfULTf3sFs7NGUTsvgS/cDwMmMI…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

WR1
from 2026-04-20 to 2026-07-19
Expires in 59 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://marinerslearningsystem.com/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • short HSTS max-age
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
DENY
x-content-type-options
nosniff
content-security-policy
block-all-mixed-content; frame-ancestors 'none'; upgrade-insecure-requests;
strict-transport-security
max-age=7889238

Links to (5)

Linked from (1)