abc-school.com.tw - robtex.com
abc-school.com.tw
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 123.252.108.12🇹🇼 MULTIMEDIA-AS-AP123.252.64.0/18 Taiwna Fixed Network | ||||||
| PTR | abc-school.com.tw | ||||||
| PTR | ntexch.abc-school.com.tw | ||||||
| NS | ns11.twnic.net.tw ⭐ | ||||||
| A | 2001:cd8:800::198🇹🇼 Seednet2001:cd8::/32 SeedNet/NCIC route object | ||||||
| A | 2404:0:10a0::3852🇹🇼 EBT2404:0:1000::/40 Asia Pacific Telecom IPv6 | ||||||
| A | 54.249.43.242🇯🇵 Amazon54.249.32.0/19 EC2 NRT | ||||||
| PTR | ec2-54-249-43-242.ap-northeast-1.compute.amazonaws.com | ||||||
| A | 203.73.24.198🇹🇼 Seednet203.73.24.0/24 SeedNet | ||||||
| A | 210.201.138.52🇹🇼 APOL210.201.138.0/24 Asia Pacific Telecom co., Ltd | ||||||
| NS | ns12.twnic.net.tw | ||||||
| A | 60.199.218.234🇹🇼 TFN-NET60.199.218.0/24 Taiwan Fixed Network | ||||||
| PTR | ns12.twnic.net.tw | ||||||
| A | 104.199.237.109🇹🇼 Google104.199.224.0/20 | ||||||
| PTR | 109.237.199.104.bc.googleusercontent.com | ||||||
| A | 211.20.231.13🇹🇼 HiNet211.20.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd. | ||||||
| PTR | 211-20-231-13.hinet-ip.hinet.net | ||||||
| MX | ntexch.abc-school.com.tw ⭐ | ||||||
| A | 123.252.108.12🇹🇼 MULTIMEDIA-AS-AP123.252.64.0/18 Taiwna Fixed Network | ||||||
| PTR | abc-school.com.tw | ||||||
| PTR | ntexch.abc-school.com.tw | ||||||
| TXT | v=spf1 ip4:123.252.108.12 include:_spf.google.com -all | ||||||
| TXT | google-site-verification=r18esNsCfXgdaqp4xDHomXmuu0roDwljZw1UDjyS52M | ||||||
| TXT | google-site-verification=FMvjtM8jLYNllMBe3MnqNKxuR6u4QjPV2OxItEdScH8 | ||||||
| SOA | ns11.twnic.net.twtech@twnic.net.tw serial=1774195267 | ||||||
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ ⚠️ Not in parent delegation | ||||||
| NS | anytld.apnic.net ⚠️ Not in parent delegation | ||||||
| NS | b.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | c.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | d.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | e.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | f.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | g.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| NS | h.dns.tw ⚠️ Not in parent delegation | ||||||
| NS | h.twnic.net.tw ⚠️ Not in parent delegation | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006338069 | ||||||
PTR for
Previously MX for
abc-school.com.tw |
Subdomains
Same first word
abc-school.net |
abc-school.com |
abc-school.pl |
abc-school.ru |
abc-school.gr |
abc-school.asia |
abc-school.com.tw |
abc-school.com.ua |
abc-school.eu |
abc-school.org |
Similar names
DNS History
7 records (4 active, 3 former)
○NSdns.abc-school.com.tw2015-07-04 → 2017-01-09 · 4 obs
● 2017-01-09 18:05:02
○ 2026-02-14 19:00:38
○ 2026-03-29 00:15:30
●NSns11.twnic.net.tw2026-02-14 → 2026-03-29 · 3 obs
● 2026-02-14 19:00:38
● 2026-03-29 00:15:30
●NSns12.twnic.net.tw2026-02-14 → 2026-03-29 · 3 obs
● 2026-02-14 19:00:38
● 2026-03-29 00:15:30
○MXabc-school.com.tw2015-10-08 → 2017-01-09 · 4 obs
● 2017-01-09 18:05:02
○ 2026-02-14 19:00:38
○ 2026-03-29 00:15:30
●MXntexch.abc-school.com.tw2026-02-14 → 2026-03-29 · 3 obs
● 2026-02-14 19:00:38
● 2026-03-29 00:15:30
●A123.252.108.122026-02-14 → 2026-03-29 · 3 obs
● 2026-02-14 19:00:38
● 2026-03-29 00:15:30
○A124.219.39.1952015-07-04 → 2017-01-09 · 4 obs
● 2017-01-09 18:05:02
○ 2026-02-14 19:00:38
○ 2026-03-29 00:15:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| tw | a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw... | 16 records |
| com.tw | h.twnic.net.tw, a.twnic.net.tw, g.twnic.net.tw, h.dns.tw... | 17 records |
| abc-school.com.tw | ns12.twnic.net.tw, ns11.twnic.net.tw | - |
✅ Authoritative Response
Server:203.73.24.198
NS records: ns12.twnic.net.tw, ns11.twnic.net.tw
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 2434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 123.252.108.12 |
| NS | 2 | ns11.twnic.net.tw, ns12.twnic.net.tw |
| MX | 1 | ntexch.abc-school.com.tw (pri: 5) |
| TXT | 3 | google-site-verification=r18esNsCfXgdaqp, google-site-verification=FMvjtM8jLYNllMB... |
| SOA | 1 | ns11.twnic.net.tw tech.twnic.net.tw |
📌 Glue Records Collected
Total: 33
In-bailiwick: 14 (a.dns.tw, b.dns.tw, c.dns.tw...)
Out-of-bailiwick: 19 (anytld.apnic.net, anytld.apnic.net, h.twnic.net.tw...)
Analysis
Hierarchy
abc-school.com.tw is a parent of ntexch.abc-school.com.tw and www.abc-school.com.tw.
IP Addresses
abc-school.com.tw points to a single IP address: 123.252.108.12.
Other host names, for instance ntexch.abc-school.com.tw, share IP numbers with abc-school.com.tw.
Name Servers
abc-school.com.tw is delegated to two name servers: ns11.twnic.net.tw and ns12.twnic.net.tw.
abc-school.com.tw uses the same name server setup as other domains, including nblife.com.tw, tlco.com.tw, day-night.com.tw, interlink-ltd.com.tw and newheaven.com.tw.
Five IPs per host:
ns11.twnic.net.tw points to 2001:cd8:800::198, 2404:0:10a0::3852, 54.249.43.242, 203.73.24.198 and 210.201.138.52.
Three IPs per host:
ns12.twnic.net.tw points to 60.199.218.234, 104.199.237.109 and 211.20.231.13.
Mail Servers
The mail server for abc-school.com.tw is ntexch.abc-school.com.tw.
Host ntexch.abc-school.com.tw points to IP 123.252.108.12.