jteln.de

.de dns crawl

First seen 2026-05-18 · Last seen 2026-05-31 · ok HTTP/1.1 200 15939 ms crawled 2026-05-23

DE · 193.158.123.30 · AS3320 Deutsche Telekom AG

Reputation 100/100

Classifying

HTML metadata

Title: Internet-Service-Provider - jteln in Bunnen
Description: POP Loeningen - und was dazu gehoert - Startseite des Internet-Service-Provider
Language: de
Generator: Handmade with Multi-Edit 8.0e

Technology

Server: Apache

Registration

Updated

2025-08-31

Name servers

ns17.knipp.net.
ns2.knipp.de.
ns3.knipp.de.

DNS records live

NS

ns17.knipp.net
ns2.knipp.de
ns3.knipp.de

MX

10 mx-11.jteln.de

TXT

Joachim Theile - Elektronik Labor Nord - Internet Service Provider - Loeningen.Net - Suedoldenburg.Net

Email authentication strong

SPF

v=spf1 a mx ip4:193.158.123.24/29 ip4:217.6.219.224/29 ip6:2003:67:a012::/64 -all

strict (-all)

DMARC

v=DMARC1; p=reject; sp=none; rua=mailto:dmarc@jteln.de; adkim=r; aspf=s;

policy: reject (enforced) · sp=none

DKIM

default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt/kokFL9rpOD7RYnfpgJSb764Cm9ySh+Uphqsf32kWeyUi7w0AGdnkud4KL5LEOZyPrDkAefnKQsnw…

selectors probed

Certificate (current)

R12

from 2026-04-19 to 2026-07-18

Expires in 47 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://www.jteln.de/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing Permissions Policy

Header values

referrer-policy: no-referrer
x-frame-options: DENY
x-content-type-options: nosniff
content-security-policy: default-src 'self' https://www.jteln.de; child-src 'none';
strict-transport-security: max-age=31536000; preload;