jer.cx - dns.ninja
jer.cx
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.77.215.144🇺🇸 AS-VULTR45.77.208.0/21 Vultr Assigned Prefix | ||||||
| PTR | 45.77.215.144.jer.cx | ||||||
| NS | ns.jer.cx ⭐ ⚠️ Not in parent delegation | ||||||
| A | 45.77.215.144🇺🇸 AS-VULTR45.77.208.0/21 Vultr Assigned Prefix | ||||||
| PTR | 45.77.215.144.jer.cx | ||||||
| NS | ns1.vultr.com ⚠️ Not in zone NS records | ||||||
| A | 2001:19f0:ccc::1🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::1🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultr.com | ||||||
| A | 173.199.96.96🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultrusercontent.com | ||||||
| NS | ns2.vultr.com ⚠️ Not in zone NS records | ||||||
| A | 2001:19f0:ccc::2🇺🇸 AS-VULTR2001:19f0:ccc::/48 DNS1 | ||||||
| A | 2001:19f0:ccd::2🇺🇸 AS-VULTR2001:19f0:ccd::/48 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultr.com | ||||||
| A | 173.199.96.97🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultrusercontent.com | ||||||
| MX | jer.cx ⭐ | ||||||
| A | 45.77.215.144🇺🇸 AS-VULTR45.77.208.0/21 Vultr Assigned Prefix | ||||||
| PTR | 45.77.215.144.jer.cx | ||||||
| TXT | v=spf1 mx ~all | ||||||
| TXT | google-site-verification=pyXJ2jc1HIkg0n9qz6LLWA2wLZ2OK9NlO0ux1cUg6nc | ||||||
| SOA | ns.jer.cxjer@jer.cx serial=0 | ||||||
cx
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns.anycast.nic.cx ⭐ | ||||||
| NS | ns1.anycastdns.cz | ||||||
| NS | ns2.anycastdns.cz | ||||||
| TXT | Generation Time ISO 8601: 2026-07-13 03:34:03 | ||||||
| TXT | Generation Time: 1783913643 | ||||||
| SOA | ns.anycast.nic.cxhostmaster@coccaregistry.org 2026-07-13 #3 | ||||||
MX for
jer.cx |
Subdomains
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
○NSdns1.registrar-servers.com2018-08-03 → 2018-08-03 · 3 obs
○ 2020-10-18 23:51:00
○ 2026-07-13 05:05:14
○NSdns2.registrar-servers.com2018-08-03 → 2018-08-03 · 3 obs
○ 2020-10-18 23:51:00
○ 2026-07-13 05:05:14
●NSns.jer.cx2020-10-18 → 2026-07-13 · 3 obs
● 2020-10-18 23:51:00
● 2026-07-13 05:05:14
●NSns1.vultr.com2026-02-17 → 2026-07-13 · 3 obs
● 2026-02-17 18:54:22
● 2026-07-13 05:05:14
●NSns2.vultr.com2026-02-17 → 2026-07-13 · 3 obs
● 2026-02-17 18:54:22
● 2026-07-13 05:05:14
●MXjer.cx2020-10-18 → 2026-07-13 · 3 obs
● 2020-10-18 23:51:00
● 2026-07-13 05:05:14
○MXmx1.privateemail.com2018-08-03 → 2018-08-03 · 3 obs
○ 2020-10-18 23:51:00
○ 2026-07-13 05:05:14
○MXmx2.privateemail.com2018-08-03 → 2018-08-03 · 3 obs
○ 2020-10-18 23:51:00
○ 2026-07-13 05:05:14
○A192.64.119.1262018-08-03 → 2018-08-03 · 3 obs
○ 2020-10-18 23:51:00
○ 2026-07-13 05:05:14
●A45.77.215.1442020-10-18 → 2026-07-13 · 3 obs
● 2020-10-18 23:51:00
● 2026-07-13 05:05:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cx | ns1.anycastdns.cz, ns.anycast.nic.cx, ns2.anycastdns.cz | 5 records |
| jer.cx | ns1.vultr.com, ns2.vultr.com | - |
✅ Authoritative Response
Server:173.199.96.97
NS records: ns1.vultr.com, ns2.vultr.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jer.cx (unsigned zone)
⏱️ Timing
Total: 564ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.77.215.144 |
| NS | 1 | ns.jer.cx |
| MX | 1 | jer.cx (pri: 10) |
| TXT | 2 | v=spf1 mx ~all, google-site-verification=pyXJ2jc1HIkg0n9 |
| SOA | 1 | ns.jer.cx jer.jer.cx |
📌 Glue Records Collected
Total: 5
In-bailiwick: 2 (ns.anycast.nic.cx, ns.anycast.nic.cx)
Out-of-bailiwick: 3 (ns2.anycastdns.cz, ns1.anycastdns.cz, ns1.anycastdns.cz)
Analysis
Hierarchy
144.jer.cx and ns.jer.cx each fall under jer.cx as their parent domain.
Mail Server Role
jer.cx handles its own mail, functioning as its own mail server.
IP Addresses
jer.cx resolves to just one IP address, 45.77.215.144.
Other host names, such as ns.jer.cx, share IP numbers with jer.cx.
Name Servers
jer.cx is delegated to three name servers: ns1.vultr.com, ns2.vultr.com and ns.jer.cx.
At least some of jer.cx's name servers are shared with other domains, for example included.co.jp, dinades.com, 139.180.213.6.vultrusercontent.com and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.wpdns.host, ns2.wpdns.host and ns3.wpdns.host.
Hostnames that map to three IP numbers:
ns1.vultr.com points to 173.199.96.96, 2001:19f0:ccc::1 and 2001:19f0:ccd::1.
ns2.vultr.com points to 173.199.96.97, 2001:19f0:ccc::2 and 2001:19f0:ccd::2.
Host names that point to one IP address:
ns.jer.cx points to 45.77.215.144.
Mail Servers
jer.cx is served by just one mail server: jer.cx.
jer.cx resolves to a single IP number: 45.77.215.144.