u0398.com - robtex.com
u0398.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:b5c7🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:23fd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.35.253Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.181.199🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | joel.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bb8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joel.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | joel.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21b8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | joel.ns.cloudflare.com | ||||||
| A | 108.162.193.184🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joel.ns.cloudflare.com | ||||||
| A | 172.64.33.184🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joel.ns.cloudflare.com | ||||||
| A | 173.245.59.184🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | joel.ns.cloudflare.com | ||||||
| NS | marissa.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2672🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marissa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c272🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | marissa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2272🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | marissa.ns.cloudflare.com | ||||||
| A | 108.162.194.114🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marissa.ns.cloudflare.com | ||||||
| A | 162.159.38.114Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marissa.ns.cloudflare.com | ||||||
| A | 172.64.34.114🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | marissa.ns.cloudflare.com | ||||||
| MX | smtp.u0398.com ⭐ | ||||||
| A | 195.154.205.38🇫🇷 AS12876195.154.0.0/16 Scaleway Paris, France | ||||||
| PTR | smtp.u0398.com | ||||||
| TXT | v=spf1 a:smtp.u0398.com ip4:195.154.205.38 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.35.253, 172.67.181.199 | ||||||
| IPv6 | 2606:4700:3033::ac43:b5c7, 2606:4700:3035::6815:23fd | ||||||
| SOA | joel.ns.cloudflare.comdns@cloudflare.com serial=2400050081 | ||||||
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=1774582317 | ||||||
Subdomains
smtp.u0398.com |
Same first word
u0398.com |
Similar names
DNS History
7 records (7 active, 0 former)
●NSjoel.ns.cloudflare.com2026-02-19 → 2026-03-27 · 2 obs
● 2026-03-27 03:33:46
●NSmarissa.ns.cloudflare.com2026-02-19 → 2026-03-27 · 2 obs
● 2026-03-27 03:33:46
●MXsmtp.u0398.com2026-02-19 → 2026-03-27 · 2 obs
● 2026-03-27 03:33:46
●A104.21.35.2532026-02-19 → 2026-03-27 · 2 obs
● 2026-03-27 03:33:46
●A172.67.181.1992026-02-19 → 2026-03-27 · 2 obs
● 2026-03-27 03:33:46
●A2606:4700:3033::ac43:b5c72026-02-19 → 2026-03-27 · 2 obs
● 2026-03-27 03:33:46
●A2606:4700:3035::6815:23fd2026-02-19 → 2026-03-27 · 2 obs
● 2026-03-27 03:33:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| u0398.com | joel.ns.cloudflare.com, marissa.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.194.114
NS records: joel.ns.cloudflare.com, marissa.ns.cloudflare.com
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 382ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.35.253, 172.67.181.199 |
| AAAA | 2 | 2606:4700:3033::ac43:b5c7, 2606:4700:3035::6815:23fd |
| NS | 2 | joel.ns.cloudflare.com, marissa.ns.cloudflare.com |
| MX | 1 | smtp.u0398.com (pri: 2) |
| TXT | 1 | v=spf1 a:smtp.u0398.com ip4:195.154.205. |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | joel.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (joel.ns.cloudflare.com, joel.ns.cloudflare.com, joel.ns.cloudflare.com...)
Analysis
Hierarchy
The parent of smtp.u0398.com is u0398.com.
IP Addresses
u0398.com resolves to four IP numbers: 2606:4700:3033::ac43:b5c7, 2606:4700:3035::6815:23fd, 104.21.35.253 and 172.67.181.199.
Other host names such as drlmover.net, www.kilodge.com.au, huntereisler.com, mstdn-social.com and lifechek.com.tr share IPs with u0398.com.
Name Servers
u0398.com is delegated to two name servers: joel.ns.cloudflare.com and marissa.ns.cloudflare.com.
u0398.com shares the same name server setup as ohana99.one, kuhui.com, linebetapp.com, ari-s.sbs and paybtc.com.au.
u0398.com at least partially shares name servers with other domains, for instance joelychen.com, canusa-cdc.com, cswgd.cn, carestream.co.il and rgcity.co.il.
These name servers are commonly used with albert.ns.cloudflare.com and april.ns.cloudflare.com.
Host names with six IP numbers:
joel.ns.cloudflare.com points to 2606:4700:58::adf5:3bb8, 2803:f800:50::6ca2:c1b8, 2a06:98c1:50::ac40:21b8, 108.162.193.184, 172.64.33.184 and 173.245.59.184.
marissa.ns.cloudflare.com points to 2606:4700:50::a29f:2672, 2803:f800:50::6ca2:c272, 2a06:98c1:50::ac40:2272, 108.162.194.114, 162.159.38.114 and 172.64.34.114.
Mail Servers
u0398.com is handled by a single mail server, smtp.u0398.com.
The mail server setup for u0398.com mirrors that of other domains, for instance smtp.u0398.com.
smtp.u0398.com points to a single IP: 195.154.205.38.