tc4j.org - robtex.com
tc4j.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.72🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host309.alfahosting-server.de | ||||||
| NS | cns1.alfahosting.info ⭐ | ||||||
| A | 2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| A | 109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns1.cloudpit.de | ||||||
| NS | cns2.alfahosting.info | ||||||
| A | 2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | cns2.cloudpit.com | ||||||
| A | 148.251.254.105🇩🇪 Hetzner148.251.0.0/16 HETZNER-RZ-BLK-ERX2 | ||||||
| PTR | cns2.cloudpit.com | ||||||
| NS | cns3.alfahosting.info | ||||||
| A | 2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| A | 109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| PTR | cns3.cloudpit.io | ||||||
| MX | mx03.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.174🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.176🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| MX | mx04.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.175🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node03.secure-mailgate.com | ||||||
| A | 46.243.88.177🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| PTR | node04.secure-mailgate.com | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting.de 2026-02-05 #1 | ||||||
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=1776132569 | ||||||
Subdomains
mail.tc4j.org |
Same first word
tc4j.org |
Similar names
DNS History
8 records (6 active, 2 former)
●NScns1.alfahosting.info2015-06-05 → 2026-04-14 · 2 obs
● 2026-04-14 02:21:44
●NScns2.alfahosting.info2015-06-05 → 2026-04-14 · 2 obs
● 2026-04-14 02:21:44
●NScns3.alfahosting.info2015-06-05 → 2026-04-14 · 2 obs
● 2026-04-14 02:21:44
○MXmail.tc4j.org2015-06-05 → 2018-08-14 · 4 obs
● 2018-08-14 02:49:00
○ 2026-03-13 03:20:40
○ 2026-04-14 02:21:44
●MXmx03.secure-mailgate.com2026-03-13 → 2026-04-14 · 3 obs
● 2026-03-13 03:20:40
● 2026-04-14 02:21:44
●MXmx04.secure-mailgate.com2026-03-13 → 2026-04-14 · 3 obs
● 2026-03-13 03:20:40
● 2026-04-14 02:21:44
○A109.237.133.1132015-06-05 → 2018-08-14 · 4 obs
● 2018-08-14 02:49:00
○ 2026-03-13 03:20:40
○ 2026-04-14 02:21:44
●A81.88.34.722026-03-13 → 2026-04-14 · 3 obs
● 2026-03-13 03:20:40
● 2026-04-14 02:21:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org | - |
| tc4j.org | cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server:109.237.142.8
NS records: cns2.alfahosting.info, cns3.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tc4j.org (unsigned zone)
⏱️ Timing
Total: 839ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.72 |
| NS | 3 | cns2.alfahosting.info, cns3.alfahosting.info... |
| MX | 2 | mx03.secure-mailgate.com (pri: 10), mx04.secure-mailgate.com (pri: 10) |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
Hierarchy
mail.tc4j.org is a child of tc4j.org.
IP Addresses
tc4j.org resolves to one IP number: 81.88.34.72.
Other host names, for instance mail.bip-mehlhornstiftung.de, www.feuerfee.com, mail.bevier.org, mail.bars-concepts.de and mail.unidruck.eu share IP numbers with tc4j.org.
Name Servers
tc4j.org is delegated to three name servers: cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
tc4j.org at least partially shares name servers with other domains, including melkroboter.eu, apphosting-riomobile.de, klickkomplizen.com, grosshaendler-verzeichnis.de and cadenza-unplugged.de.
Host names with two IP numbers:
cns1.alfahosting.info: 2a01:64c0:0:5000::8 and 109.237.142.8
cns2.alfahosting.info: 2a01:4f8:2b02:a88::105 and 148.251.254.105
cns3.alfahosting.info: 2a02:2b80:101:5000::8 and 109.237.143.8
Mail Servers
tc4j.org is served by two mail servers mx03.secure-mailgate.com and mx04.secure-mailgate.com.
tc4j.org shares the same mail server setup as other domains, for instance horsepopp.at, mehls-gmbh.de, sis-card.de, sv5.wakku.to and bratsche24.com.
Host names with two IPs:
mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176
mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177