siderca.com

.com dns

First seen 2026-05-05 · Last seen 2026-05-18 · ok HTTP 200 4253 ms crawled 2026-05-12

US · 40.123.47.58 · AS8075 Microsoft Corporation

Reputation 70/100 wrong cert weak security headers

Registration

Registrar
GoDaddy Corporate Domains, LLC
Created
1996-07-25
Expires
2026-07-24 65 days left
Updated
2025-06-23
Name servers
  • dstcuns1.siderca.com
  • ns1.techintgroup.net
  • otsrv1.techintgroup.net

DNS records live

NS
  • dns1.techintgroup.net
  • dns2.techintgroup.net
  • dstcuns1.siderca.com
  • ns1.techintgroup.net
  • otsrv1.techintgroup.net
MX
  • 10 mx1.hc3794-51.iphmx.com
  • 10 mx2.hc3794-51.iphmx.com
TXT
Show 6 TXT records
  • MS=ms16536168
  • as-redir-tenariscomprod.azurewebsites.net
  • _oz531bh0tfvjhzpt07qqchiurr300z7
  • swgn0tnzykn41tm0fl1wv7qmpyj8lxc3
  • dd1jhqhxck44kxs4ybj56gjk93ydj012
  • p38rv10gb3k0036lv64kyj72fh2wr4dr

Email authentication strong

SPF
v=spf1 exists:%{i}.spf.hc3794-51.iphmx.com include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1;p=quarantine;rua=mailto:dmarc_analysis@tenaris.com
policy: quarantine
DKIM
no key found at common selectors

Certificate (current) wrong cert

Microsoft Azure RSA TLS Issuing CA 03
from 2026-05-09 to 2026-08-26
Expires in 98 days