extra7.com - dns.ninja
extra7.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.15.22.40🇭🇰 ISYSTEMTECH-HK103.15.22.0/24 01Link Network Services Limited | ||||||
| PTR | sv02.userver.hk | ||||||
| NS | ns2.userver.hk ⭐ | ||||||
| NS | ns1.uhostdns.com | ||||||
| A | 2404:fc00:192::8🇭🇰 ISYSTEMTECH-HK2404:fc00:192::/48 i-System Technology Limited | ||||||
| A | 180.188.192.8🇭🇰 ISYSTEMTECH-HK180.188.192.0/24 i-System Technology Limited | ||||||
| NS | ns2.uhostdns.com | ||||||
| A | 2404:fc00:76::8🇭🇰 ISYSTEMTECH-HK2404:fc00:76::/48 i-System Technology Limited | ||||||
| A | 182.173.76.8🇭🇰 ISYSTEMTECH-HK182.173.76.0/24 i-System Technology Limited | ||||||
| PTR | ns1.01name.com | ||||||
| MX | extra7.com ⭐ | ||||||
| A | 103.15.22.40🇭🇰 ISYSTEMTECH-HK103.15.22.0/24 01Link Network Services Limited | ||||||
| PTR | sv02.userver.hk | ||||||
| TXT | v=spf1 include:_spf.uhost.hk ~all | ||||||
| SOA | ns2.userver.hkreport@uhost.hk 2023-08-24 #2 | ||||||
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=1785103567 | ||||||
MX for
extra7.com |
Same first word
extra7.com |
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.uhostdns.com2015-08-10 → 2026-07-26 · 2 obs
● 2026-07-26 22:12:40
●NSns2.uhostdns.com2015-08-10 → 2026-07-26 · 2 obs
● 2026-07-26 22:12:40
●NSns2.userver.hk2026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 16:09:08
● 2026-07-26 22:12:40
●MXextra7.com2015-08-10 → 2026-07-26 · 2 obs
● 2026-07-26 22:12:40
○A103.11.228.2302020-03-17 → 2020-03-17 · 4 obs
● 2020-03-17 13:21:04
○ 2026-03-24 16:09:08
○ 2026-07-26 22:12:40
●A103.15.22.402026-03-24 → 2026-07-26 · 3 obs
● 2026-03-24 16:09:08
● 2026-07-26 22:12:40
○A182.173.76.1102015-08-10 → 2017-03-26 · 4 obs
● 2017-03-26 18:05:42
○ 2020-03-17 13:21:04
○ 2026-07-26 22:12:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| extra7.com | ns1.uhostdns.com, ns2.uhostdns.com | 3 records |
✅ Authoritative Response
Server:180.188.192.8
NS records: ns1.uhostdns.com, ns2.uhostdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for extra7.com (unsigned zone)
⏱️ Timing
Total: 463ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.15.22.40 |
| NS | 2 | ns1.uhostdns.com, ns2.uhostdns.com |
| MX | 1 | extra7.com (pri: 0) |
| TXT | 1 | v=spf1 include:_spf.uhost.hk ~all |
| SOA | 1 | ns2.userver.hk report.uhost.hk |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.uhostdns.com, ns1.uhostdns.com, ns2.uhostdns.com)
Analysis
Mail Server Role
extra7.com acts as its own mail server.
IP Addresses
extra7.com points to a single IP number: 103.15.22.40.
Additional host names — hcl-asia.com.hk, cmahk.com.hk, searcheasy.com.hk and two others — share IP numbers with extra7.com.
Name Servers
extra7.com is delegated to three name servers: ns1.uhostdns.com, ns2.uhostdns.com and ns2.userver.hk.
extra7.com shares at least some of its name servers with other domains, including kitchenpro.biz, indexhk.com, powertrend.me and two others.
These name servers are frequently seen alongside ns3.uhostdns.com, ns4.uhostdns.com, ns1.01name.com and 3 other name servers.
ns1.uhostdns.com and ns2.uhostdns.com each resolve to two IP addresses: ns1.uhostdns.com points to 180.188.192.8 and 2404:fc00:192::8, while ns2.uhostdns.com points to 182.173.76.8 and 2404:fc00:76::8.
Mail Servers
extra7.com has a single mail server: extra7.com itself.
extra7.com resolves to a single IP number: 103.15.22.40.