corejax.com - robtex.com
corejax.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 81.88.34.76🇩🇪 CLOUDPIT81.88.32.0/20 | ||||||
| PTR | host246.alfahosting-server.de | ||||||
| NS | cns1.alfahosting.info ⭐ | ||||||
| A | 2a01:64c0:0:5000::8🇩🇪 CLOUDPIT2a01:64c0::/32 | ||||||
| A | 109.237.142.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| NS | cns2.alfahosting.info | ||||||
| A | 2a01:4f8:2b02:a88::105🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 148.251.254.105🇩🇪 Hetzner148.251.0.0/16 | ||||||
| NS | cns3.alfahosting.info | ||||||
| A | 2a02:2b80:101:5000::8🇩🇪 CLOUDPIT2a02:2b80:101::/48 | ||||||
| A | 109.237.143.8🇩🇪 CLOUDPIT109.237.128.0/20 | ||||||
| MX | mx03.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.174🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| A | 46.243.88.176🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| MX | mx04.secure-mailgate.com ⭐ | ||||||
| A | 46.243.88.175🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| A | 46.243.88.177🇩🇪 CLOUDPIT46.243.88.0/21 | ||||||
| TXT | v=spf1 a mx include:secure-mailgate.com ~all | ||||||
| SOA | cns1.alfahosting.infohostmaster@alfahosting.de 2026-02-12 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
corejax.com |
Similar names
DNS History
9 records (6 active, 3 former)
●NScns1.alfahosting.info2016-12-16 → 2026-03-06 · 2 obs
● 2026-03-06 03:43:16
●NScns2.alfahosting.info2016-12-16 → 2026-03-06 · 2 obs
● 2026-03-06 03:43:16
●NScns3.alfahosting.info2016-12-16 → 2026-03-06 · 2 obs
● 2026-03-06 03:43:16
○MXmail.corejax.com2016-12-16 → 2017-08-20 · 4 obs
● 2017-08-20 13:33:08
○ 2026-03-05 08:55:12
○ 2026-03-06 03:43:16
●MXmx03.secure-mailgate.com2026-03-05 → 2026-03-06 · 3 obs
● 2026-03-05 08:55:12
● 2026-03-06 03:43:16
●MXmx04.secure-mailgate.com2026-03-05 → 2026-03-06 · 3 obs
● 2026-03-05 08:55:12
● 2026-03-06 03:43:16
○A109.237.132.122016-12-16 → 2016-12-16 · 3 obs
○ 2017-08-20 13:33:08
○ 2026-03-06 03:43:16
○A109.237.140.512017-08-20 → 2017-08-20 · 4 obs
● 2017-08-20 13:33:08
○ 2026-03-05 08:55:12
○ 2026-03-06 03:43:16
●A81.88.34.762026-03-05 → 2026-03-06 · 3 obs
● 2026-03-05 08:55:12
● 2026-03-06 03:43:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net... | - |
| corejax.com | cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info | - |
✅ Authoritative Response
Server: 148.251.254.105
NS records: cns3.alfahosting.info, cns2.alfahosting.info, cns1.alfahosting.info
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for corejax.com (unsigned zone)
⏱️ Timing
Total: 860ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.88.34.76 |
| NS | 3 | cns1.alfahosting.info, cns2.alfahosting.info... |
| MX | 2 | mx04.secure-mailgate.com (pri: 10), mx03.secure-mailgate.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:secure-mailgate.com |
| SOA | 1 | cns1.alfahosting.info hostmaster.alfahos |
Analysis
IP Addresses
corejax.com resolves to one IP number: 81.88.34.76.
other host names including nrw.basketball-woerth.de, mail.thomas-webdesign.de, mail.absolut-britt.com, mail.janina-weinand.de and silica-verfahrenstechnik.de share IP numbers with corejax.com.
Name Servers
corejax.com is delegated to three name servers cns1.alfahosting.info, cns2.alfahosting.info and cns3.alfahosting.info.
Host names with two IP numbers:
cns1.alfahosting.info points to: 2a01:64c0:0:5000::8 and 109.237.142.8.
cns2.alfahosting.info points to: 2a01:4f8:2b02:a88::105 and 148.251.254.105.
cns3.alfahosting.info points to: 2a02:2b80:101:5000::8 and 109.237.143.8.
Mail Servers
Two mail servers handle corejax.com: mx03.secure-mailgate.com and mx04.secure-mailgate.com.
Host names with two IP numbers:
The host name mx03.secure-mailgate.com points to 46.243.88.174 and 46.243.88.176; the host name mx04.secure-mailgate.com points to 46.243.88.175 and 46.243.88.177.