concordserver.com - dns.ninja
concordserver.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 218.188.25.75🇭🇰 HUTCHISON-AS-AP218.188.25.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | hgc75.concordns.com | ||||||
| NS | ns1.concordserver.com ⭐ | ||||||
| A | 218.188.25.73🇭🇰 HUTCHISON-AS-AP218.188.25.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | hgc73.concordns.com | ||||||
| NS | ns2.concordserver.com ⚠️ Not in zone NS records | ||||||
| A | 218.188.25.75🇭🇰 HUTCHISON-AS-AP218.188.25.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | hgc75.concordns.com | ||||||
| NS | ns3.concordserver.com ⚠️ Not in parent delegation | ||||||
| A | 218.188.25.73🇭🇰 HUTCHISON-AS-AP218.188.25.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | hgc73.concordns.com | ||||||
| MX | mail.concordserver.com ⭐ | ||||||
| A | 218.188.25.73🇭🇰 HUTCHISON-AS-AP218.188.25.0/24 HGC Global Communications Limited 9/F Hutchison Telecom Tower 99 Cheung Fai Road | ||||||
| PTR | hgc73.concordns.com | ||||||
| TXT | v=spf1 a mx ip4:218.188.25.73 ~all | ||||||
| SOA | ns1.concordserver.comhostmaster@concordserver.com 2025-10-19 #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=1785752657 | ||||||
Subdomains
ns3.concordserver.com |
www.concordserver.com |
mail.concordserver.com |
ns1.concordserver.com |
ns5.concordserver.com |
ns8.concordserver.com |
ns2.concordserver.com |
ns4.concordserver.com |
ns6.concordserver.com |
Same first word
concordserver.com |
DNS History
6 records (5 active, 1 former)
●NSns1.concordserver.com2015-07-15 → 2026-08-03 · 3 obs
● 2015-07-15 02:28:50
● 2026-08-03 10:42:44
●NSns2.concordserver.com2015-07-15 → 2026-08-03 · 12 obs
● 2015-07-15 02:28:50
● 2016-01-07 05:49:02
○ 2016-04-18 23:14:04
● 2016-08-24 13:01:58
○ 2016-11-19 09:53:50
● 2016-11-27 21:58:46
● 2016-12-13 12:25:22
○ 2017-08-20 03:46:22
○ 2021-08-29 23:47:28
● 2026-02-16 00:59:30
● 2026-08-03 10:42:44
●NSns3.concordserver.com2016-04-18 → 2026-08-03 · 32 obs
● 2016-04-18 23:14:04
○ 2016-08-24 13:01:58
● 2016-11-19 09:53:50
○ 2016-11-27 21:58:46
○ 2016-12-13 12:25:22
● 2017-08-20 03:46:22
● 2021-08-29 23:47:28
○ 2026-02-16 00:59:30
○ 2026-02-17 02:12:46
● 2026-02-24 14:06:46
○ 2026-03-18 10:39:38
● 2026-03-20 03:48:36
○ 2026-03-22 18:33:14
○ 2026-03-23 07:54:00
● 2026-03-26 23:53:58
○ 2026-04-05 08:19:58
○ 2026-05-18 17:34:48
● 2026-05-24 00:37:56
○ 2026-05-28 13:20:58
○ 2026-06-07 03:17:46
● 2026-06-11 04:40:32
● 2026-06-12 01:04:02
○ 2026-06-12 11:47:40
● 2026-06-15 07:59:08
○ 2026-06-16 10:05:08
● 2026-07-05 03:42:00
○ 2026-07-07 23:09:40
● 2026-07-09 19:10:36
○ 2026-07-12 21:56:44
● 2026-07-16 13:22:40
● 2026-08-03 10:42:44
●MXmail.concordserver.com2015-07-15 → 2026-08-03 · 3 obs
● 2015-07-15 02:28:50
● 2026-08-03 10:42:44
○A218.188.25.732015-07-15 → 2026-07-04 · 27 obs
● 2015-07-15 02:28:50
● 2016-01-07 05:49:02
○ 2016-04-18 23:14:04
● 2016-08-24 13:01:58
● 2016-11-27 21:58:46
○ 2016-12-13 12:25:22
● 2017-08-20 03:46:22
○ 2021-08-29 23:47:28
○ 2026-02-16 00:59:30
● 2026-02-17 02:12:46
● 2026-02-24 14:06:46
○ 2026-03-18 10:39:38
○ 2026-03-20 03:48:36
● 2026-03-22 18:33:14
● 2026-04-28 07:18:10
○ 2026-05-01 01:21:54
○ 2026-05-13 20:48:44
● 2026-05-18 17:34:48
○ 2026-05-24 00:37:56
○ 2026-06-07 03:17:46
● 2026-06-11 04:40:32
● 2026-06-16 10:05:08
○ 2026-06-26 22:40:32
● 2026-07-04 15:30:00
○ 2026-07-09 19:10:36
○ 2026-08-03 10:42:44
●A218.188.25.752015-07-15 → 2026-08-03 · 26 obs
● 2015-07-15 02:28:50
● 2015-12-03 20:21:16
○ 2016-01-07 05:49:02
● 2016-04-18 23:14:04
○ 2016-08-24 13:01:58
○ 2016-11-27 21:58:46
● 2016-12-13 12:25:22
● 2026-02-16 00:59:30
○ 2026-02-17 02:12:46
○ 2026-02-24 14:06:46
● 2026-03-18 10:39:38
● 2026-03-20 03:48:36
○ 2026-03-22 18:33:14
○ 2026-04-28 07:18:10
● 2026-05-01 01:21:54
● 2026-05-13 20:48:44
○ 2026-05-18 17:34:48
● 2026-05-24 00:37:56
● 2026-06-07 03:17:46
○ 2026-06-11 04:40:32
○ 2026-06-16 10:05:08
● 2026-06-26 22:40:32
○ 2026-07-04 15:30:00
● 2026-07-09 19:10:36
● 2026-08-03 10:42:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| concordserver.com | ns1.concordserver.com, ns2.concordserver.com | 2 records |
✅ Authoritative Response
Server:218.188.25.73
NS records: ns1.concordserver.com, ns2.concordserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for concordserver.com (unsigned zone)
⏱️ Timing
Total: 608ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 218.188.25.75 |
| NS | 2 | ns3.concordserver.com, ns1.concordserver.com |
| MX | 1 | mail.concordserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:218.188.25.73 ~all |
| SOA | 1 | ns1.concordserver.com hostmaster.concord |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.concordserver.com, ns2.concordserver.com)
Analysis
Hierarchy
concordserver.com is the parent domain of ns3.concordserver.com, www.concordserver.com, mail.concordserver.com, ns1.concordserver.com, ns5.concordserver.com and a few other host names.
IP Addresses
concordserver.com has exactly one IP address — 218.188.25.75.
www.concordserver.com, mail.concordserver.com, hgc75.concordns.com plus two other host names have IP numbers in common with concordserver.com.
Name Servers
Three name servers are authoritative for concordserver.com: ns1.concordserver.com, ns2.concordserver.com and ns3.concordserver.com.
concordserver.com at least partially shares name servers with other domains, including designhouse.hk, workbox.com.hk, michelrene.com.hk and sanssoucis.com.hk.
These name servers are frequently paired with the name servers ns4.concordserver.com, ns1.workbox.com.hk and ns2.workbox.com.hk.
ns1.concordserver.com and ns3.concordserver.com both resolve to 218.188.25.73, while ns2.concordserver.com resolves to 218.188.25.75. All three hostnames map to exactly one IP address each.
These two host names — ns1.concordserver.com and ns3.concordserver.com — each point to 218.188.25.73 IP addresses.
Mail Servers
concordserver.com uses one mail server — mail.concordserver.com.
There is one IP number for mail.concordserver.com: 218.188.25.73.