1and1-mail.com

.com crawl

First seen 2026-04-13 · Last seen 2026-05-09 · ok HTTP/1.1 200 3635 ms crawled 2026-05-07

CN · 47.121.123.62 · AS37963 Hangzhou Alibaba Advertising Co.,Ltd.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: 双翼邮件群发软件-邮件群发工具，邮件群发软件，邮件群发器
Description: 双翼邮件群发软件是知名的轻量级邮件群发软件开发商，提供无时间限制、无使用次数限制的群发软件，同时欢迎您下载使用免费邮件群发软件，更多需求欢迎您的咨询，QQ：800181766。

Technology

Server: nginx

Third-party hosts loaded (1)

www.yiyisoft.com×2

Registration

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

Created

2009-03-13

Expires

2027-03-13 297 days left

Updated

2024-02-27

Name servers

ns1.alidns.com
ns2.alidns.com

DNS records live

NS

dns10.hichina.com
dns9.hichina.com

MX

1 alt2.aspmx.l.google.com
10 aspmx.l.google.com
10 mxw.mxhichina.com
5 mxn.mxhichina.com

TXT

google-site-verification=JJ73gLCOka9UDbUv3jY1kqFeprg-L9irJLhJg8KZcGI

Email authentication partial

SPF: v=spf1 include:spf.mxhichina.com -all
strict (-all)
DMARC: not published
DKIM: no key found at common selectors

Certificate (current)

Encryption Everywhere DV TLS CA - G2

from 2025-10-20 to 2026-10-20

Expires in 153 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.1and1-mail.com/

findings

missing HSTS
missing Content Security Policy
missing frame protection
missing content type protection
missing Referrer Policy
missing Permissions Policy