tandem.net — domain check, WHOIS, DNS & reputation

HTML metadata

Title

Tandem Language Exchange App | Find Conversation Exchange Partners

Description

How does Tandem work? Download the app for free, find your perfect language partner, and start chatting. Practice with native speakers and get fluent fast.

Language

en

Canonical

https://tandem.net/

Translations

zh ×2
de
es
fr
it
ja
ko
pt
ru

Open Graph

url: https://tandem.net/
title: Tandem Language Exchange App | Find Conversation Exchange Partners
locale: en
site name: Tandem - Speak Any Language
description: How does Tandem work? Download the app for free, find your perfect language partner, and start chatting. Practice with native speakers and get fluent fast.

Technology

CMS: Next.js
JS framework: Next.js

Analytics

Google Tag Manager

Third-party hosts loaded (4)

images.ctfassets.net×3
assets.ctfassets.net×2
www.googletagmanager.com×2
pro.ip-api.com×1

Social

Registration

Registrar

united-domains GmbH

Created

2011-10-02

Expires

2026-10-02 120 days left

Updated

2026-04-06

Name servers

ns-1064.awsdns-05.org
ns-1602.awsdns-08.co.uk
ns-491.awsdns-61.com
ns-634.awsdns-15.net

DNS records live

NS

ns-1064.awsdns-05.org
ns-1602.awsdns-08.co.uk
ns-491.awsdns-61.com
ns-634.awsdns-15.net

MX

1 aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 alt4.aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

detectify-verification=3bb3733fa578a9360bcfe19b7e9fee7b
firebase=tandem-2016

Verified for

Atlassian
Google

Email authentication strong

SPF

v=spf1 ip4:172.217.219.26 ip6:2607:f8b0:4001:c13::1a ip4:173.194.70.27 ip6:2607:f8b0:4003:c0f::1b ip4:142.250.96.27 ip6:2607:f8b0:4023:403::1b ip4:173.194.209.27 ip6:2607:f8b0:4024:c02::1b ip4:74.125.197.26 ip6:2607:f8b0:400e:c09::1b ip4:13.35.121.74 ip4:13.35.121.104 ip4:13.35.121.67 ip4:13.35.121.48 exists:%{i}._spf.sparkpostmail.com ip4:199.255.192.0/22 ip4:199.127.232.0/22 ip4:54.240.0.0/18 ip4:69.169.224.0/20 ip4:23.249.208.0/20 ip4:23.251.224.0/19 ip4:76.223.176.0/20 ip4:54.240.64.0/19 ip4:103.151.192.0/23 ip4:185.12.80.0/22 ip4:188.172.128.0/20 ip4:192.161.144.0/20 ip4:216.198.0.0/18 ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 ip4:168.245.0.0/17 ip4:149.72.0.0/16 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:108.177.8.0/21 ip4:173.194.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/19 ip4:216.239.32.0/19 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2800:3f0:4000::/36 ip6:2a00:1450:4000::/36 ip6:2c0f:fb50:4000::/36 ip4:172.217.0.0/19 ip4:172.217.32.0/20 ip4:172.217.128.0/19 ip4:172.217.160.0/20 ip4:172.217.192.0/19 ip4:172.253.56.0/21 ip4:172.253.112.0/20 ip4:108.177.96.0/19 ip4:35.191.0.0/16 ip4:130.211.0.0/22 ip4:35.190.247.0/24 ip4:64.233.160.0/19 ip4:66.102.0.0/20 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:74.125.0.0/16 ip4:108.177.8.0/21 ip4:173.194.0.0/16 ip4:209.85.128.0/17 ip4:216.58.192.0/19 ip4:216.239.32.0/19 ip6:2001:4860:4000::/36 ip6:2404:6800:4000::/36 ip6:2607:f8b0:4000::/36 ip6:2800:3f0:4000::/36

missing all

DMARC

v=DMARC1; p=reject; adkim=s; aspf=s; pct=100;

policy: reject (enforced)

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAseS9QqlnPN8G/z7Alh2eNAral+fxClJhwuQRgCBfobD33L16ASVCi/jfEaMMjazuevcwLWGUrwjNup…

selectors probed

Certificate (current)

Amazon RSA 2048 M04

from 2026-03-01 to 2026-09-15

Expires in 103 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://tandem.net/

present

content-security-policy
x-frame-options

findings

missing HSTS
missing content type protection
missing Referrer Policy
missing Permissions Policy

Header values

x-frame-options: SAMEORIGIN
content-security-policy: frame-ancestors 'self' https://app.contentful.com;

Links to (7)

Linked from (1)

scegli.app×1