redcert.org - robtex.com
redcert.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1773551953 | ||||||
Subdomains
www.redcert.org |
Same first word
redcert.org |
Similar names
DNS History
14 records (5 active, 9 former)
○NSns.namespace4you.de2017-04-02 → 2017-04-02 · 4 obs
● 2017-04-02 13:33:54
○ 2026-02-22 10:16:30
○ 2026-03-24 00:07:34
○NSns1.ims-firmen.de2015-06-06 → 2016-09-10 · 4 obs
● 2016-09-10 10:24:08
○ 2017-04-02 13:33:54
○ 2026-03-24 00:07:34
○NSns2.ims-firmen.de2015-06-06 → 2016-09-10 · 4 obs
● 2016-09-10 10:24:08
○ 2017-04-02 13:33:54
○ 2026-03-24 00:07:34
○NSns2.namespace4you.de2017-04-02 → 2017-04-02 · 4 obs
● 2017-04-02 13:33:54
○ 2026-02-22 10:16:30
○ 2026-03-24 00:07:34
●NSns63.domaincontrol.com2026-02-22 → 2026-03-24 · 3 obs
● 2026-02-22 10:16:30
● 2026-03-24 00:07:34
●NSns64.domaincontrol.com2026-02-22 → 2026-03-24 · 3 obs
● 2026-02-22 10:16:30
● 2026-03-24 00:07:34
○MXmail.redcert.org2015-06-06 → 2016-09-10 · 4 obs
● 2016-09-10 10:24:08
○ 2017-04-02 13:33:54
○ 2026-03-24 00:07:34
●MXmx-01-eu-central-1.prod.hydra.sophos.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 00:07:34
●MXmx-02-eu-central-1.prod.hydra.sophos.com2026-03-24 → 2026-03-24 · 2 obs
● 2026-03-24 00:07:34
○MXmxlb.ispgateway.de2017-04-02 → 2017-04-02 · 4 obs
● 2017-04-02 13:33:54
○ 2026-02-22 10:16:30
○ 2026-03-24 00:07:34
○MXredcert-org.mail.protection.outlook.com2026-02-22 → 2026-03-07 · 4 obs
● 2026-02-22 10:16:30
● 2026-03-07 03:28:46
○ 2026-03-24 00:07:34
●A202.61.251.572026-02-22 → 2026-03-24 · 3 obs
● 2026-02-22 10:16:30
● 2026-03-24 00:07:34
○A213.174.49.302015-06-06 → 2016-09-10 · 4 obs
● 2016-09-10 10:24:08
○ 2017-04-02 13:33:54
○ 2026-03-24 00:07:34
○A46.252.29.62017-04-02 → 2017-04-02 · 4 obs
● 2017-04-02 13:33:54
○ 2026-02-22 10:16:30
○ 2026-03-24 00:07:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| redcert.org | ns63.domaincontrol.com, ns64.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.69.42
NS records: ns63.domaincontrol.com, ns64.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for redcert.org (unsigned zone)
⏱️ Timing
Total: 352ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.61.251.57 |
| NS | 2 | ns63.domaincontrol.com, ns64.domaincontrol.com |
| MX | 2 | mx-01-eu-central-1.prod.hydra.sophos.com, mx-02-eu-central-1.prod.hydra.sophos.com |
| TXT | 3 | sophos-domain-verification=d11cb9b57c006, v=spf1 include:spf.protection.outlook.co... |
| SOA | 1 | ns63.domaincontrol.com dns.jomax.net |
Analysis
Hierarchy
redcert.org is a parent of www.redcert.org.
IP Addresses
redcert.org points to a single IP number: 202.61.251.57.
Other host names such as sequa.de and www.redcert.org share IP numbers with redcert.org.
Name Servers
Delegation for redcert.org rests with two name servers, ns63.domaincontrol.com and ns64.domaincontrol.com.
redcert.org shares the same name server setup as other domains, including iansmarkets.com, llcma.com, untamedcoaching.com, ddiholdingsinc.com and kik.group.
redcert.org shares name servers with other domains at least partially, for example zion.org.hk.
Host names with two IP numbers: ns63.domaincontrol.com points to 2603:5:2154::2a and 97.74.101.42; ns64.domaincontrol.com points to 2603:5:2254::2a and 173.201.69.42.
Mail Servers
redcert.org is handled by two mail servers: mx-01-eu-central-1.prod.hydra.sophos.com and mx-02-eu-central-1.prod.hydra.sophos.com.
redcert.org uses the same mail server configuration as other domains, such as ixt.be, hznl.nl, hatz.fr, epolog.com and wolff-tools.ch.
redcert.org shares mail servers with other domains at least in part, for instance proscan.info, autohausbender.com, unisign.com, peterde(0x636f636b).be and hensel-elektrik.de.
These mail servers are often used together with the mail servers relay.rzone.de.
Host names with two IP numbers:
mx-01-eu-central-1.prod.hydra.sophos.com points to 18.159.237.67 and 52.57.79.230.
mx-02-eu-central-1.prod.hydra.sophos.com points to 18.159.237.67 and 52.57.79.230.
Host names pointing to 18.159.237.67: mx-01-eu-central-1.prod.hydra.sophos.com, mx-02-eu-central-1.prod.hydra.sophos.com.
Host names pointing to 52.57.79.230: mx-01-eu-central-1.prod.hydra.sophos.com, mx-02-eu-central-1.prod.hydra.sophos.com.