schl.com.hk - robtex.com
schl.com.hk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.cyberec.com ⭐ | ||||||
| A | 20.47.126.44🇭🇰 AS806920.47.126.0/23 Microsoft | ||||||
| NS | ns2.cyberec.com | ||||||
| A | 13.76.241.152🇸🇬 Microsoft13.64.0.0/11 MICROSOFT | ||||||
| MX | schl-com-hk.mail.protection.outlook.com ⭐ | ||||||
| A | 2a01:111:f403:cc09::🇸🇬 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-sg2pr03cu00500.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:cc1a::8🇯🇵 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-tydpr03cu00100.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:cc1f::4🇯🇵 Microsoft2a01:111:f000::/36 | ||||||
| PTR | mail-os8pr02cu00104.inbound.protection.outlook.com | ||||||
| A | 52.101.124.117🇯🇵 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-tydpr03cu00105.inbound.protection.outlook.com | ||||||
| A | 52.101.137.0🇸🇬 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-sg2pr03cu00500.inbound.protection.outlook.com | ||||||
| A | 52.101.157.80🇺🇸 Microsoft52.96.0.0/12 MICROSOFT | ||||||
| PTR | mail-os8pr02cu00100.inbound.protection.outlook.com | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com -all | ||||||
| SOA | ns1.cyberec.comdomain@superhub.com.hk 2023-05-30 #16 | ||||||
com.hk
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns3.hkirc.net.hk ⭐ | ||||||
| NS | c.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | d.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | m.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | t.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | u.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | v.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | x.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | y.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| NS | z.hkirc.net.hk ⚠️ Not in parent delegation | ||||||
| SOA | ns3.hkirc.net.hkhostmaster@hkirc.net.hk serial=2073576985 | ||||||
Previously NS for
schl.com.hk |
Same first word
schl.gc.ca |
schl.eu |
schl.net |
schl.fr |
schl.in |
schl.co.nz |
schl.ch |
schl.ca |
schl.cn |
schl.de |
schl.or.at |
schl.org |
schl.co.uk |
schl.com.hk |
schl.com |
Similar names
DNS History
8 records (3 active, 5 former)
○NSmoon.sun-beam.com.hk2015-07-02 → 2017-12-27 · 4 obs
● 2017-12-27 08:52:48
○ 2026-06-27 03:17:04
○ 2026-08-10 19:50:22
●NSns1.cyberec.com2026-06-27 → 2026-08-10 · 3 obs
● 2026-06-27 03:17:04
● 2026-08-10 19:50:22
●NSns2.cyberec.com2026-06-27 → 2026-08-10 · 3 obs
● 2026-06-27 03:17:04
● 2026-08-10 19:50:22
○NSschl.com.hk2015-07-02 → 2017-12-27 · 4 obs
● 2017-12-27 08:52:48
○ 2026-06-27 03:17:04
○ 2026-08-10 19:50:22
○NSsun.sun-beam.com.hk2015-07-02 → 2017-12-27 · 4 obs
● 2017-12-27 08:52:48
○ 2026-06-27 03:17:04
○ 2026-08-10 19:50:22
○MXmail.schl.com.hk2015-07-02 → 2017-12-27 · 4 obs
● 2017-12-27 08:52:48
○ 2026-06-27 03:17:04
○ 2026-08-10 19:50:22
●MXschl-com-hk.mail.protection.outlook.com2026-06-27 → 2026-08-10 · 3 obs
● 2026-06-27 03:17:04
● 2026-08-10 19:50:22
○A202.153.114.152015-07-02 → 2017-12-27 · 4 obs
● 2017-12-27 08:52:48
○ 2026-06-27 03:17:04
○ 2026-08-10 19:50:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| hk | x.hkirc.net.hk, z.hkirc.net.hk, c.hkirc.net.hk, m.hkirc.net.hk... | 15 records |
| schl.com.hk | ns1.cyberec.com, ns2.cyberec.com | - |
✅ Authoritative Response
Server:13.76.241.152
NS records: ns1.cyberec.com, ns2.cyberec.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for schl.com.hk (unsigned zone)
⏱️ Timing
Total: 1644ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns2.cyberec.com, ns1.cyberec.com |
| MX | 1 | schl-com-hk.mail.protection.outlook.com |
| TXT | 1 | v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns1.cyberec.com domain.superhub.com.hk |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (c.hkirc.net.hk, d.hkirc.net.hk, m.hkirc.net.hk...)
Analysis
Name Servers
schl.com.hk is served by two delegated name servers, ns1.cyberec.com and ns2.cyberec.com.
schl.com.hk uses the same name servers as several other domains — among them crchkec.com.hk, ifphk.org, casinoglobalsourcing.com and two more.
At least some of schl.com.hk's name servers are shared with other domains, for example waiyeunghd.com, belflower.com.hk, 238.60.202.in-addr.arpa and two more.
These name servers tend to be used in conjunction with the name servers ns3.cyberec.com.
Each of ns1.cyberec.com and ns2.cyberec.com has one IP address: ns1.cyberec.com uses 20.47.126.44 and ns2.cyberec.com uses 13.76.241.152.
Mail Servers
Mail for schl.com.hk is handled by a single mail server, schl-com-hk.mail.protection.outlook.com.
schl-com-hk.mail.protection.outlook.com resolves to 6 IP addresses — 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 others.