courtesys.com - robtex.com
courtesys.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 202.181.174.252🇭🇰 HKCIX-AS-AP202.181.174.0/24 Route Object for 202.181.174.0/24 | ||||||
| PTR | ns2.courtesys.com | ||||||
| NS | ns1.courtesys.com ⭐ | ||||||
| A | 202.181.174.251🇭🇰 HKCIX-AS-AP202.181.174.0/24 Route Object for 202.181.174.0/24 | ||||||
| PTR | ns1.courtesys.com | ||||||
| NS | ns2.courtesys.com | ||||||
| A | 202.181.174.252🇭🇰 HKCIX-AS-AP202.181.174.0/24 Route Object for 202.181.174.0/24 | ||||||
| PTR | ns2.courtesys.com | ||||||
| MX | mg1.cloudservices.com.hk ⭐ | ||||||
| A | 202.181.174.250🇭🇰 HKCIX-AS-AP202.181.174.0/24 Route Object for 202.181.174.0/24 | ||||||
| PTR | s250.cloudservices.com.hk | ||||||
| MX | mg2.cloudservices.com.hk ⭐ | ||||||
| A | 59.152.195.143🇭🇰 WTT59.152.194.0/23 PACNET (proxy-registered route object) | ||||||
| PTR | ns143.gsnt.hk | ||||||
| TXT | MS=028A312E43247FA71E6401A50621D06C8AC04E37 | ||||||
| TXT | v=spf1 ip4:202.181.174.251 ip4:202.181.174.252 +mx ~all | ||||||
| SOA | ns1.courtesys.comdomain@courtesys.com 2025-11-04 #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=1776089892 | ||||||
Subdomains
Same first word
courtesys.com |
DNS History
7 records (5 active, 2 former)
●NSns1.courtesys.com2015-06-23 → 2026-04-13 · 2 obs
● 2026-04-13 14:41:32
●NSns2.courtesys.com2015-06-23 → 2026-04-13 · 2 obs
● 2026-04-13 14:41:32
○MXmail.courtesys.com2015-06-23 → 2017-03-18 · 4 obs
● 2017-03-18 18:55:20
○ 2026-02-15 01:49:34
○ 2026-04-13 14:41:32
●MXmg1.cloudservices.com.hk2026-02-15 → 2026-04-13 · 3 obs
● 2026-02-15 01:49:34
● 2026-04-13 14:41:32
●MXmg2.cloudservices.com.hk2026-02-15 → 2026-04-13 · 3 obs
● 2026-02-15 01:49:34
● 2026-04-13 14:41:32
○A114.112.243.2372015-06-23 → 2017-03-18 · 4 obs
● 2017-03-18 18:55:20
○ 2026-02-15 01:49:34
○ 2026-04-13 14:41:32
●A202.181.174.2522026-02-15 → 2026-04-13 · 3 obs
● 2026-02-15 01:49:34
● 2026-04-13 14:41:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| courtesys.com | ns1.courtesys.com, ns2.courtesys.com | 2 records |
✅ Authoritative Response
Server:202.181.174.252
NS records: ns1.courtesys.com, ns2.courtesys.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for courtesys.com (unsigned zone)
⏱️ Timing
Total: 465ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 202.181.174.252 |
| NS | 2 | ns1.courtesys.com, ns2.courtesys.com |
| MX | 2 | mg1.cloudservices.com.hk (pri: 20), mg2.cloudservices.com.hk (pri: 20) |
| TXT | 2 | v=spf1 ip4:202.181.174.251 ip4:202.181.1, MS=028A312E43247FA71E6401A50621D06C8AC04 |
| SOA | 1 | ns1.courtesys.com domain.courtesys.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.courtesys.com, ns2.courtesys.com)
Analysis
Hierarchy
courtesys.com has children ns2.courtesys.com, mail.courtesys.com, sm1.courtesys.com and ns1.courtesys.com.
IP Addresses
courtesys.com maps to IP address 202.181.174.252.
Other host names such as jennyschoice.com, ns2.courtesys.com, cshk.net and friendgiftsco.com share IP numbers with courtesys.com.
Name Servers
Two name servers ns1.courtesys.com and ns2.courtesys.com are delegated to courtesys.com.
courtesys.com uses the same name server configuration as other domains such as cshk.net, friendgiftsco.com and jennyschoice.com.
Host names with a single IP address:
ns1.courtesys.com points to 202.181.174.251
ns2.courtesys.com points to 202.181.174.252
Mail Servers
Two mail servers handle courtesys.com: mg1.cloudservices.com.hk and mg2.cloudservices.com.hk.
courtesys.com shares the same mail server setup as other domains, including gclevents.com, applecare.com.hk, cshk.net, machouse.hk and bandlcorp.com.
Host names with a single IP address:
mg1.cloudservices.com.hk points to 202.181.174.250
mg2.cloudservices.com.hk points to 59.152.195.143