indexo.dev

nikschaefer.com

.com crawl

First seen 2026-04-23 · Last seen 2026-05-16 · ok HTTP/1.1 200 5632 ms crawled 2026-05-16

US · 104.21.35.129 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Nik Schaefer
Description
I'm a co-founder of Olanah, currently interested in where technology, business, and human wellbeing overlap. Engineering student at UW-Madison.
Language
en

Technology

CDN
Cloudflare
CMS
Next.js

Social

Registration

Registrar
Cloudflare, Inc.
Created
2023-03-17
Expires
2028-03-17 666 days left
Updated
2026-05-12
Name servers
  • chip.ns.cloudflare.com
  • nataly.ns.cloudflare.com

DNS records live

NS
  • chip.ns.cloudflare.com
  • nataly.ns.cloudflare.com
MX
  • 0 mail.tutanota.de
TXT
  • t-verify=69850053008bceb0137d7534d51586ac

Email authentication strong

SPF
v=spf1 include:spf.tutanota.de -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; adkim=s
policy: quarantine
DKIM
  • s1: v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4d/jridMLV9rZ/lBiDYA17BWKWIHnvLzCVGoFcOENqxLym8ro869rgp82mcxobr2kPyd…
  • s2: v=DKIM1; k=rsa; h=sha256; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4d/jridMLV9rZ/lBiDYA17BWKWIHnvLzCVGoFcOENqxLym8ro869rgp82mcxobr2kPyd…
selectors probed

Certificate (current)

E7
from 2026-05-01 to 2026-07-30
Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://nikschaefer.com/

present
  • strict-transport-security
findings
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=63072000

Links to (6)

Linked from (1)