coms-auth.hk - robtex.com
coms-auth.hk
hk
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns3.hkirc.net.hk ⭐ | ||||||
| NS | c.hkirc.net.hk | ||||||
| NS | d.hkirc.net.hk | ||||||
| NS | m.hkirc.net.hk | ||||||
| NS | t.hkirc.net.hk | ||||||
| NS | u.hkirc.net.hk | ||||||
| NS | v.hkirc.net.hk | ||||||
| NS | x.hkirc.net.hk | ||||||
| NS | y.hkirc.net.hk | ||||||
| NS | z.hkirc.net.hk | ||||||
| SOA | ns3.hkirc.net.hkhostmaster@hkirc.net.hk serial=2074935137 | ||||||
rank #574 in the tld
Subdomains
Same first word
coms-auth.org.hk |
coms-auth.hk |
Similar names
DNS History
17 records (9 active, 8 former)
●NSns01.scig.gov.hk2026-02-24 → 2026-05-10 · 3 obs
● 2026-02-24 16:23:38
● 2026-05-10 22:43:56
●NSns02.scig.gov.hk2026-02-24 → 2026-05-10 · 3 obs
● 2026-02-24 16:23:38
● 2026-05-10 22:43:56
●NSns03.scig.gov.hk2026-03-27 → 2026-05-10 · 3 obs
● 2026-03-27 02:13:42
● 2026-05-10 22:43:56
○NSns1.hkbn.net2016-02-06 → 2017-08-29 · 10 obs
● 2016-02-06 13:24:34
○ 2016-04-27 22:55:28
● 2017-02-18 23:42:38
○ 2017-05-31 10:13:42
● 2017-07-18 10:12:24
○ 2017-08-15 14:59:08
● 2017-08-29 19:22:54
○ 2017-09-12 01:27:26
○ 2026-05-10 22:43:56
○NSns2.hkbn.net2016-02-06 → 2017-07-18 · 7 obs
● 2016-02-06 13:24:34
○ 2016-04-27 22:55:28
● 2017-02-18 23:42:38
● 2017-07-18 10:12:24
○ 2017-08-15 14:59:08
○ 2026-05-10 22:43:56
○NSns5.imsbiz.com2015-08-29 → 2017-09-22 · 13 obs
● 2015-11-19 19:13:12
○ 2016-02-06 13:24:34
● 2016-04-27 22:55:28
○ 2017-02-18 23:42:38
● 2017-05-31 10:13:42
○ 2017-07-18 10:12:24
● 2017-08-15 14:59:08
○ 2017-08-29 19:22:54
● 2017-09-12 01:27:26
● 2017-09-22 10:19:28
○ 2026-02-24 16:23:38
○ 2026-05-10 22:43:56
○NSns6.imsbiz.com2015-08-29 → 2017-09-22 · 10 obs
● 2015-11-19 19:13:12
○ 2016-02-06 13:24:34
● 2016-04-27 22:55:28
○ 2017-02-18 23:42:38
○ 2017-07-18 10:12:24
● 2017-08-15 14:59:08
● 2017-09-22 10:19:28
○ 2026-02-24 16:23:38
○ 2026-05-10 22:43:56
○MXmail.coms-auth.hk2015-08-29 → 2017-09-12 · 4 obs
● 2017-09-12 01:27:26
○ 2026-02-24 16:23:38
○ 2026-05-10 22:43:56
●MXmail2.coms-auth.hk2015-08-29 → 2026-05-10 · 2 obs
● 2026-05-10 22:43:56
●MXmail3.coms-auth.hk2026-02-24 → 2026-05-10 · 3 obs
● 2026-02-24 16:23:38
● 2026-05-10 22:43:56
●MXmail4.coms-auth.hk2026-02-24 → 2026-05-10 · 3 obs
● 2026-02-24 16:23:38
● 2026-05-10 22:43:56
●A159.138.142.1172026-02-24 → 2026-05-10 · 3 obs
● 2026-02-24 16:23:38
● 2026-05-10 22:43:56
○A202.82.15.552015-08-29 → 2017-09-22 · 4 obs
● 2017-09-22 10:19:28
○ 2026-02-24 16:23:38
○ 2026-05-10 22:43:56
●A2402:4e00:40:40::2:4072026-02-24 → 2026-05-10 · 3 obs
● 2026-02-24 16:23:38
● 2026-05-10 22:43:56
○A2403:f500:5:2::1552015-08-29 → 2017-09-22 · 4 obs
● 2017-09-22 10:19:28
○ 2026-02-24 16:23:38
○ 2026-05-10 22:43:56
○A2403:f500:5:2::552015-08-29 → 2017-09-22 · 4 obs
● 2017-09-22 10:19:28
○ 2026-02-24 16:23:38
○ 2026-05-10 22:43:56
●A43.154.94.772026-02-24 → 2026-05-10 · 3 obs
● 2026-02-24 16:23:38
● 2026-05-10 22:43:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| hk | d.hkirc.net.hk, t.hkirc.net.hk, c.hkirc.net.hk, y.hkirc.net.hk... | - |
| coms-auth.hk | ns01.scig.gov.hk, ns02.scig.gov.hk, ns03.scig.gov.hk | - |
✅ Authoritative Response
Server:193.108.91.181
NS records: ns01.scig.gov.hk, ns02.scig.gov.hk, ns03.scig.gov.hk
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1697ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 43.154.94.77, 159.138.142.117 |
| AAAA | 1 | 2402:4e00:40:40::2:407 |
| NS | 3 | ns01.scig.gov.hk, ns02.scig.gov.hk... |
| MX | 3 | mail3.coms-auth.hk (pri: 20), mail4.coms-auth.hk (pri: 30)... |
| TXT | 2 | v=spf1 ip4:202.82.154.228 ip4:210.0.183., spf2.0/pra ip4:202.82.154.228 ip4:210.0. |
| SOA | 1 | ns01.scig.gov.hk hostmaster.cis.gov.hk |
Analysis
Hierarchy
coms-auth.hk is parent of mail3.coms-auth.hk, www.coms-auth.hk, apps.coms-auth.hk, mail2.coms-auth.hk and mail4.coms-auth.hk.
IP Addresses
coms-auth.hk resolves to three IPs: 2402:4e00:40:40::2:407, 43.154.94.77 and 159.138.142.117.
Other host names, for instance cso.gov.hk, museums.gov.hk, hketowashington.gov.hk, serviceexcellence.gov.hk and ecc.org.hk share IP numbers with coms-auth.hk.
Name Servers
coms-auth.hk is delegated to three name servers: ns01.scig.gov.hk, ns02.scig.gov.hk and ns03.scig.gov.hk.
coms-auth.hk partially shares name servers with other domains; examples include mmt.gov.hk, dhcas.hk, one.gov.hk, eprocurement.gov.hk and dhc.gov.hk.
These name servers are often used with the name servers ns11.scig.gov.hk and ns12.scig.gov.hk.
Host names with four IP numbers
The host name ns01.scig.gov.hk points to: 2600:1401:2::b5, 2600:1480:b000::40, 95.100.168.64 and 193.108.91.181
The host name ns02.scig.gov.hk points to: 2001:502:f3ff::77, 2610:a1:1014::77, 156.154.64.83 and 156.154.65.83
The host name ns03.scig.gov.hk points to: 2600:1401:2::b5, 2600:1480:b000::40, 95.100.168.64 and 156.154.64.83
Names pointing to 2600:1401:2::b5: ns01.scig.gov.hk and ns03.scig.gov.hk
Names pointing to 2600:1480:b000::40: ns01.scig.gov.hk and ns03.scig.gov.hk
Names pointing to 95.100.168.64: ns01.scig.gov.hk and ns03.scig.gov.hk
Names pointing to 156.154.64.83: ns02.scig.gov.hk and ns03.scig.gov.hk
Mail Servers
coms-auth.hk is handled by three mail servers: mail2.coms-auth.hk, mail3.coms-auth.hk and mail4.coms-auth.hk.
Host names with one IP number:
Host mail2.coms-auth.hk points to 210.6.226.103.
Host mail3.coms-auth.hk points to 210.0.183.100.
Host mail4.coms-auth.hk points to 118.140.155.164.