grading.com.tw - dns.ninja

grading.com.tw

DNSSEC⚠️ Not signed
A211.72.207.203🇹🇼 HiNet211.72.0.0/16 (HiNet) Chunghwa Telecom Co., Ltd.
NSns1.bdm.microsoftonline.com
A2603:1061:0:700::d0🇺🇸 Microsoft2603:1000::/25 MICROSOFT
PTRns1-208.azure-dns.com
A13.107.236.208🇺🇸 Microsoft13.104.0.0/14 MICROSOFT
PTRns1-208.azure-dns.com
NSns2.bdm.microsoftonline.com
A2620:1ec:8ec:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns2-208.azure-dns.net
A150.171.21.208🇺🇸 Microsoft150.171.0.0/16 MICROSOFT
PTRns2-208.azure-dns.net
NSns3.bdm.microsoftonline.com
A2a01:111:4000:700::d0🇬🇧 Microsoft2a01:111:4000::/36
PTRns3-208.azure-dns.org
A204.14.183.208🇺🇸 Microsoft204.14.180.0/22
PTRns3-208.azure-dns.org
NSns4.bdm.microsoftonline.com
A2620:1ec:bda:700::d0🇺🇸 Microsoft2620:1ec::/36 MICROSOFT
PTRns4-208.azure-dns.info
A208.84.5.208🇺🇸 Microsoft208.84.0.0/21 MICROSOFT
PTRns4-208.azure-dns.info
MXgrading-com-tw.mail.protection.outlook.com
A2a01:111:f403:cc09::🇸🇬 Microsoft2a01:111:f000::/36
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A2a01:111:f403:cc1a::8🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-tydpr03cu00100.inbound.protection.outlook.com
A2a01:111:f403:cc1f::4🇯🇵 Microsoft2a01:111:f000::/36
PTRmail-os8pr02cu00104.inbound.protection.outlook.com
A52.101.124.117🇯🇵 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-tydpr03cu00105.inbound.protection.outlook.com
A52.101.137.0🇸🇬 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-sg2pr03cu00500.inbound.protection.outlook.com
A52.101.157.80🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-os8pr02cu00100.inbound.protection.outlook.com
TXTmscid=YniB4PIgQXQ8tHwJ28ufvk8Bl/cGixSsYofg/c5gMc8WRr3Kow6EqEE/VV0IB03dUd/KiBP...
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns1.bdm.microsoftonline.comazuredns-hostmaster@microsoft.com serial=1

com.tw

DNSSEC⚠️ Not signed
NSa.twnic.net.tw ⭐ ⚠️ Not in parent delegation
NSanytld.apnic.net ⚠️ Not in parent delegation
NSb.twnic.net.tw ⚠️ Not in parent delegation
NSc.twnic.net.tw ⚠️ Not in parent delegation
NSd.twnic.net.tw ⚠️ Not in parent delegation
NSe.twnic.net.tw ⚠️ Not in parent delegation
NSf.twnic.net.tw ⚠️ Not in parent delegation
NSg.twnic.net.tw ⚠️ Not in parent delegation
NSh.dns.tw ⚠️ Not in parent delegation
NSh.twnic.net.tw ⚠️ Not in parent delegation
SOAa.twnic.net.twsnw@twnic.net.tw serial=2006358575
WOT: SAFE (58/100)

Same first word

Similar names

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSns1.bdm.microsoftonline.comns2.bdm.microsoftonline.comns3.bdm.microsoftonline.comns4.bdm.microsoftonline.comad.grading.localex2010.grading.com.twex2010.grading.localMXgrading-com-tw.mail.protection.outlook.commail.grading.com.twA211.72.207.203192.168.0.1
NSad.grading.local2015-08-24 → 2017-01-01 · 4 obs
● 2015-08-24 18:56:02
● 2017-01-01 14:34:22
○ 2026-03-02 21:38:46
○ 2026-06-13 15:17:00
NSex2010.grading.com.tw2015-08-24 → 2017-01-01 · 4 obs
● 2015-08-24 18:56:02
● 2017-01-01 14:34:22
○ 2026-03-02 21:38:46
○ 2026-06-13 15:17:00
NSex2010.grading.local2015-08-24 → 2017-01-01 · 4 obs
● 2015-08-24 18:56:02
● 2017-01-01 14:34:22
○ 2026-03-02 21:38:46
○ 2026-06-13 15:17:00
NSns1.bdm.microsoftonline.com2026-03-02 → 2026-06-13 · 3 obs
○ 2017-01-01 14:34:22
● 2026-03-02 21:38:46
● 2026-06-13 15:17:00
NSns2.bdm.microsoftonline.com2026-03-02 → 2026-06-13 · 3 obs
○ 2017-01-01 14:34:22
● 2026-03-02 21:38:46
● 2026-06-13 15:17:00
NSns3.bdm.microsoftonline.com2026-03-02 → 2026-06-13 · 3 obs
○ 2017-01-01 14:34:22
● 2026-03-02 21:38:46
● 2026-06-13 15:17:00
NSns4.bdm.microsoftonline.com2026-03-02 → 2026-06-13 · 3 obs
○ 2017-01-01 14:34:22
● 2026-03-02 21:38:46
● 2026-06-13 15:17:00
MXgrading-com-tw.mail.protection.outlook.com2015-08-24 → 2026-06-13 · 2 obs
● 2015-08-24 18:56:02
● 2026-06-13 15:17:00
MXmail.grading.com.tw2015-08-24 → 2017-01-01 · 4 obs
● 2015-08-24 18:56:02
● 2017-01-01 14:34:22
○ 2026-03-02 21:38:46
○ 2026-06-13 15:17:00
A192.168.0.12015-08-24 → 2017-01-01 · 4 obs
● 2015-08-24 18:56:02
● 2017-01-01 14:34:22
○ 2026-03-02 21:38:46
○ 2026-06-13 15:17:00
A211.72.207.2032026-03-02 → 2026-06-13 · 3 obs
○ 2017-01-01 14:34:22
● 2026-03-02 21:38:46
● 2026-06-13 15:17:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
com.twb.twnic.net.tw, anytld.apnic.net, f.twnic.net.tw, h.dns.tw...-
grading.com.twns3.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com-

✅ Authoritative Response

Server:204.14.183.208

NS records: ns3.bdm.microsoftonline.com, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns4.bdm.microsoftonline.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for com.tw (unsigned zone)

⏱️ Timing

Total: 456ms | Queries: -

📄 Records

TypeCountSample Data
A1211.72.207.203
NS4ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com...
MX1grading-com-tw.mail.protection.outlook.c
TXT2mscid=YniB4PIgQXQ8tHwJ28ufvk8Bl/cGixSsYo, v=spf1 include:spf.protection.outlook.co
SOA1ns1.bdm.microsoftonline.com azuredns-hos

Analysis

IP Addresses

grading.com.tw points to a single IP number: 211.72.207.203.

Additional host names — www.vtr.asia, www.k-l.com.tw, www.letwork-intl.com and two others — share IP numbers with grading.com.tw.

Name Servers

grading.com.tw is delegated to four name servers, ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

The name servers of grading.com.tw overlap at least partially with those of other domains — among them criterialatam.com, aca.org, ma-real.ch and two more.

Each of the four hosts ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com has two IP addresses. ns1.bdm.microsoftonline.com points to 13.107.236.208 and 2603:1061:0:700::d0. ns2.bdm.microsoftonline.com points to 150.171.21.208 and 2620:1ec:8ec:700::d0. ns3.bdm.microsoftonline.com points to 204.14.183.208 and 2a01:111:4000:700::d0. ns4.bdm.microsoftonline.com points to 208.84.5.208 and 2620:1ec:bda:700::d0.

Mail Servers

grading.com.tw has one mail server: grading-com-tw.mail.protection.outlook.com.

grading-com-tw.mail.protection.outlook.com points to 6 IP numbers: 52.101.124.117, 52.101.137.0, 52.101.157.80 and 3 other.