john4u.com - robtex.com
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 ⭐ | ||||||
| A | 97.74.98.65🇺🇸 GODADDY-DNS97.74.98.0/23 | ||||||
| PTR | ns3.afternic.com | ||||||
| NS | ns4.afternic.com | ||||||
| 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 | ||||||
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=1774883952 | ||||||
Subdomains
mail.john4u.com |
Same first word
john4u.com |
DNS History
17 records (4 active, 13 former)
○NSns03.domaincontrol.com2017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○NSns04.domaincontrol.com2017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○NSns1.afternic.com2015-08-02 → 2016-09-22 · 4 obs
● 2016-09-22 12:04:02
○ 2017-08-16 18:58:20
○ 2026-03-30 15:28:08
●NSns3.afternic.com2026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 12:45:00
● 2026-03-30 15:28:08
●NSns4.afternic.com2026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 12:45:00
● 2026-03-30 15:28:08
●A13.248.169.482026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 12:45:00
● 2026-03-30 15:28:08
○A184.168.221.1042015-08-02 → 2016-09-22 · 4 obs
● 2016-09-22 12:04:02
○ 2017-08-16 18:58:20
○ 2026-03-30 15:28:08
○A184.168.221.142017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○A184.168.221.172017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○A184.168.221.232017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○A184.168.221.302017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○A50.63.202.102017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○A50.63.202.212017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○A50.63.202.272017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○A50.63.202.292017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
○A50.63.202.72017-08-16 → 2017-08-16 · 4 obs
● 2017-08-16 18:58:20
○ 2026-03-30 12:45:00
○ 2026-03-30 15:28:08
●A76.223.54.1462026-03-30 → 2026-03-30 · 3 obs
● 2026-03-30 12:45:00
● 2026-03-30 15:28:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, l.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: 182ms | 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
Hierarchy
The parent of mail.john4u.com is john4u.com.
IP Addresses
john4u.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.
Other host names such as mealintel.com, www.sourdi.com, concretenetwork.co.uk, bruinbucketlist.lyoux.com and accommodationsitaly.com share IPs with john4u.com.
Name Servers
john4u.com is delegated to two name servers: ns3.afternic.com and ns4.afternic.com.
john4u.com shares the same name server setup as mail.bambado.com, dotdp.com, northfieldchiropractic.com, thinqers.com and tvcaqc.wikkii.com.
john4u.com partially shares its name servers with other domains, for example goboutique.com, lvrec.com and jthotel.com.
Host names with a single IP:
ns3.afternic.com points to 97.74.98.65.
ns4.afternic.com points to 173.201.66.65.