mail.john4u.com - robtex.com
mail.john4u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| PTR | a904c694c05102f30.awsglobalaccelerator.com | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com ⚠️ Not in parent delegation | ||||||
| A | 173.201.66.65🇺🇸 GODADDY-DNS173.201.66.0/23 | ||||||
| PTR | ns4.namefind.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
john4u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.169.48🇺🇸 Amazon13.248.160.0/20 | ||||||
| A | 76.223.54.146🇺🇸 Amazon76.223.48.0/20 | ||||||
| NS | ns3.afternic.com ⭐ | ||||||
| NS | ns4.afternic.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns3.afternic.comdns@jomax.net 2025-10-01 #0 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSns1.afternic.com2015-06-14 → 2016-04-19 · 5 obs
● 2015-06-14 16:57:10
● 2016-04-19 08:33:54
○ 2026-03-02 19:11:24
○ 2026-03-30 12:45:02
●NSns3.afternic.com2026-03-02 → 2026-03-30 · 3 obs
● 2026-03-02 19:11:24
● 2026-03-30 12:45:02
●NSns4.afternic.com2026-03-02 → 2026-03-30 · 3 obs
● 2026-03-02 19:11:24
● 2026-03-30 12:45:02
●A13.248.169.482026-03-02 → 2026-03-30 · 3 obs
● 2026-03-02 19:11:24
● 2026-03-30 12:45:02
○A184.168.221.1042015-06-14 → 2016-04-19 · 5 obs
● 2015-06-14 16:57:10
● 2016-04-19 08:33:54
○ 2026-03-02 19:11:24
○ 2026-03-30 12:45:02
○A202.31.186.552008-03-16 → 2008-03-16 · 3 obs
○ 2015-06-14 16:57:10
○ 2026-03-30 12:45:02
●A76.223.54.1462026-03-02 → 2026-03-30 · 3 obs
● 2026-03-02 19:11:24
● 2026-03-30 12:45:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net... | - |
| john4u.com | ns3.afternic.com, ns4.afternic.com | 2 records |
✅ Authoritative Response
Server:173.201.66.65
NS records: ns3.afternic.com, ns4.afternic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for john4u.com (unsigned zone)
⏱️ Timing
Total: 130ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 13.248.169.48, 76.223.54.146 |
| NS | 2 | ns3.afternic.com, ns4.afternic.com |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns3.afternic.com dns.jomax.net |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)
Analysis
IP Addresses
mail.john4u.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names such as meatlessgrill.com, nck.xyz, fbo.app, 5gyxtc.fb(0x787878).com and www.fiful.com share IPs with mail.john4u.com.
Name Servers
Two name servers ns3.afternic.com and ns4.afternic.com handle the delegation for mail.john4u.com.
mail.john4u.com shares the same name server setup as other domains, for example tv360.com, openivo.com, venueschool.com, avirworld.com and egeglobal.com.
mail.john4u.com at least partially shares name servers with other domains, for example alfamor.com, streamapplication.com, nprobot.com, brby.com and fwnx.com.
these name servers are commonly used with verification-frsgyqgb387khmr9jzuunx.ns101.verify.hn, ns1.yuwang.com, ns2.yuwang.com, verification-kpzhmhhmpiyp2xjwkszdey.ns101.verify.hn, verification-fffzwtqx5fssxkzrwjppxv.ns101.verify.hn and verification-xca45ox5qyba6vycrpoay7.ns101.verify.hn.
Host names with one IP number:
ns3.afternic.com points to 97.74.98.65; ns4.afternic.com points to 173.201.66.65.