jrc4u.com - robtex.com
jrc4u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 173.62.254.17🇺🇸 AS701173.62.128.0/17 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| PTR | static-173-62-254-17.phlapa.fios.verizon.net | ||||||
| NS | ns39.worldnic.com ⭐ | ||||||
| A | 162.159.26.212Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns40.worldnic.com | ||||||
| A | 162.159.27.146Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| MX | mail.jrc4u.com ⭐ | ||||||
| A | 173.62.254.17🇺🇸 AS701173.62.128.0/17 MCI Communications Services, LLC d/b/a Verizon Business | ||||||
| PTR | static-173-62-254-17.phlapa.fios.verizon.net | ||||||
| SOA | NS39.WORLDNIC.comnamehost@WORLDNIC.com serial=120010713 | ||||||
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=1775011707 | ||||||
Subdomains
mail.jrc4u.com |
Same first word
jrc4u.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns39.worldnic.com2015-05-21 → 2026-04-01 · 2 obs
● 2026-04-01 03:02:48
●NSns40.worldnic.com2015-05-21 → 2026-04-01 · 2 obs
● 2026-04-01 03:02:48
●MXmail.jrc4u.com2015-05-21 → 2026-04-01 · 2 obs
● 2026-04-01 03:02:48
●A173.62.254.172026-02-16 → 2026-04-01 · 3 obs
● 2026-02-16 01:39:52
● 2026-04-01 03:02:48
○A71.175.18.52015-05-21 → 2016-07-19 · 4 obs
● 2016-07-19 17:23:28
○ 2026-02-16 01:39:52
○ 2026-04-01 03:02:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| jrc4u.com | ns39.worldnic.com, ns40.worldnic.com | 2 records |
✅ Authoritative Response
Server:162.159.27.146
NS records: ns39.worldnic.com, ns40.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jrc4u.com (unsigned zone)
⏱️ Timing
Total: 189ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 173.62.254.17 |
| NS | 2 | ns40.worldnic.com, ns39.worldnic.com |
| MX | 1 | mail.jrc4u.com (pri: 10) |
| SOA | 1 | NS39.WORLDNIC.com namehost.WORLDNIC.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns39.worldnic.com, ns40.worldnic.com)
Analysis
Hierarchy
jrc4u.com is the parent of mail.jrc4u.com.
IP Addresses
jrc4u.com points to a single IP number: 173.62.254.17.
Other host names, for instance mail.jrc4u.com, jrcinc.us and static-173-62-254-17.phlapa.fios.verizon.net share IP numbers with jrc4u.com.
Name Servers
jrc4u.com is delegated to two name servers: ns39.worldnic.com and ns40.worldnic.com.
jrc4u.com shares the same name server setup as other domains, for example calvertag.net, lawssg.com, gate1mail.com, arcsfoundation.com and lyfordfund.com.
jrc4u.com at least partially shares name servers with other domains, for example demship.com and esamilitary.com.
Host names with one IP number:
The host ns39.worldnic.com points to 162.159.26.212 and the host ns40.worldnic.com points to 162.159.27.146.
Mail Servers
jrc4u.com is handled by a single mail server, mail.jrc4u.com.
Host name mail.jrc4u.com points to IP address 173.62.254.17.