utu.com.tw - dns.ninja

utu.com.tw

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:cf0🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:99ef🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.240Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.239🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSashley.ns.cloudflare.com
A2606:4700:50::adf5:3a47🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRashley.ns.cloudflare.com
A2803:f800:50::6ca2:c047🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRashley.ns.cloudflare.com
A2a06:98c1:50::ac40:2047🇺🇸 Cloudflare2a06:98c1:50::/45
PTRashley.ns.cloudflare.com
A108.162.192.71🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRashley.ns.cloudflare.com
A172.64.32.71🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRashley.ns.cloudflare.com
A173.245.58.71🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRashley.ns.cloudflare.com
NStoby.ns.cloudflare.com
A2606:4700:58::adf5:3bef🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtoby.ns.cloudflare.com
A2803:f800:50::6ca2:c1ef🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtoby.ns.cloudflare.com
A2a06:98c1:50::ac40:21ef🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtoby.ns.cloudflare.com
A108.162.193.239🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtoby.ns.cloudflare.com
A172.64.33.239🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtoby.ns.cloudflare.com
A173.245.59.239🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtoby.ns.cloudflare.com
MX_dc-mx.a20c0c77e8d4.utu.com.tw
A209.190.85.10🇺🇸 AS10297209.190.0.0/17 RR-RC-Enet-Columbus
PTR209-190-85-10.xlhdns.com
MXaspmx.l.google.com(3)
A2a00:1450:4009:c19::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrp-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXaspmx2.googlemail.com(3)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(3)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXaspmx5.googlemail.com(3)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
MXaspmx4.googlemail.com(4)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt1.aspmx.l.google.com(6)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
TXTdns.intergroup.net rehinajames@080.net 1189502105 28800 3600 3600000 14400
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.12.240, 172.67.153.239
IPv6 hints2606:4700:3031::6815:cf0, 2606:4700:3033::ac43:99ef
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=16, name=cloudflare-ech.com
SOAashley.ns.cloudflare.comdns@cloudflare.com serial=2401750292

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=2006355769
WOT: SAFE (58/100)

Same first word

Similar names

DNS History

22 records (13 active, 9 former)

201820192020202120222023202420252026NSashley.ns.cloudflare.comtoby.ns.cloudflare.comMX_dc-mx.a20c0c77e8d4.utu.com.twalt1.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comdc-0f78718b3a3a.utu.com.twA104.21.12.240172.67.153.2392606:4700:3031::6815:cf02606:4700:3033::ac43:99ef104.28.26.219104.28.27.219188.114.96.0188.114.97.02400:cb00:2048:1::681c:1adb2400:cb00:2048:1::681c:1bdb2a06:98c1:3120::2a06:98c1:3121::
NSashley.ns.cloudflare.com2017-03-16 → 2026-06-04 · 2 obs
● 2017-03-16 14:10:58
● 2026-06-04 04:47:44
NStoby.ns.cloudflare.com2017-03-16 → 2026-06-04 · 2 obs
● 2017-03-16 14:10:58
● 2026-06-04 04:47:44
MX_dc-mx.a20c0c77e8d4.utu.com.tw2026-02-18 → 2026-06-04 · 3 obs
○ 2017-03-16 14:10:58
● 2026-02-18 06:44:32
● 2026-06-04 04:47:44
MXalt1.aspmx.l.google.com2017-03-16 → 2026-06-04 · 2 obs
● 2017-03-16 14:10:58
● 2026-06-04 04:47:44
MXaspmx.l.google.com2017-03-16 → 2026-06-04 · 2 obs
● 2017-03-16 14:10:58
● 2026-06-04 04:47:44
MXaspmx2.googlemail.com2017-03-16 → 2026-06-04 · 2 obs
● 2017-03-16 14:10:58
● 2026-06-04 04:47:44
MXaspmx3.googlemail.com2017-03-16 → 2026-06-04 · 2 obs
● 2017-03-16 14:10:58
● 2026-06-04 04:47:44
MXaspmx4.googlemail.com2017-03-16 → 2026-06-04 · 2 obs
● 2017-03-16 14:10:58
● 2026-06-04 04:47:44
MXaspmx5.googlemail.com2017-03-16 → 2026-06-04 · 2 obs
● 2017-03-16 14:10:58
● 2026-06-04 04:47:44
MXdc-0f78718b3a3a.utu.com.tw2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 14:10:58
○ 2026-02-18 06:44:32
○ 2026-06-04 04:47:44
A104.21.12.2402026-02-18 → 2026-06-04 · 6 obs
○ 2017-03-16 14:10:58
● 2026-02-18 06:44:32
● 2026-02-21 08:07:46
○ 2026-03-24 13:33:26
● 2026-04-03 15:57:00
● 2026-06-04 04:47:44
A104.28.26.2192017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 14:10:58
○ 2026-02-18 06:44:32
○ 2026-06-04 04:47:44
A104.28.27.2192017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 14:10:58
○ 2026-02-18 06:44:32
○ 2026-06-04 04:47:44
A172.67.153.2392026-02-18 → 2026-06-04 · 6 obs
○ 2017-03-16 14:10:58
● 2026-02-18 06:44:32
● 2026-02-21 08:07:46
○ 2026-03-24 13:33:26
● 2026-04-03 15:57:00
● 2026-06-04 04:47:44
A188.114.96.02026-03-24 → 2026-03-24 · 4 obs
○ 2026-02-21 08:07:46
● 2026-03-24 13:33:26
○ 2026-04-03 15:57:00
○ 2026-06-04 04:47:44
A188.114.97.02026-03-24 → 2026-03-24 · 4 obs
○ 2026-02-21 08:07:46
● 2026-03-24 13:33:26
○ 2026-04-03 15:57:00
○ 2026-06-04 04:47:44
A2400:cb00:2048:1::681c:1adb2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 14:10:58
○ 2026-02-18 06:44:32
○ 2026-06-04 04:47:44
A2400:cb00:2048:1::681c:1bdb2017-03-16 → 2017-03-16 · 3 obs
● 2017-03-16 14:10:58
○ 2026-02-18 06:44:32
○ 2026-06-04 04:47:44
A2606:4700:3031::6815:cf02026-02-18 → 2026-06-04 · 6 obs
○ 2017-03-16 14:10:58
● 2026-02-18 06:44:32
● 2026-02-21 08:07:46
○ 2026-03-24 13:33:26
● 2026-04-03 15:57:00
● 2026-06-04 04:47:44
A2606:4700:3033::ac43:99ef2026-02-18 → 2026-06-04 · 6 obs
○ 2017-03-16 14:10:58
● 2026-02-18 06:44:32
● 2026-02-21 08:07:46
○ 2026-03-24 13:33:26
● 2026-04-03 15:57:00
● 2026-06-04 04:47:44
A2a06:98c1:3120::2026-03-24 → 2026-03-24 · 4 obs
○ 2026-02-21 08:07:46
● 2026-03-24 13:33:26
○ 2026-04-03 15:57:00
○ 2026-06-04 04:47:44
A2a06:98c1:3121::2026-03-24 → 2026-03-24 · 4 obs
○ 2026-02-21 08:07:46
● 2026-03-24 13:33:26
○ 2026-04-03 15:57:00
○ 2026-06-04 04:47:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
twg.dns.tw, h.dns.tw, anytld.apnic.net, d.dns.tw...15 records
com.twd.twnic.net.tw, a.twnic.net.tw, h.dns.tw, b.twnic.net.tw...17 records
utu.com.twtoby.ns.cloudflare.com, ashley.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.239

NS records: toby.ns.cloudflare.com, ashley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for utu.com.tw (unsigned zone)

⏱️ Timing

Total: 3912ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.153.239, 104.21.12.240
AAAA22606:4700:3033::ac43:99ef, 2606:4700:3031::6815:cf0
NS2ashley.ns.cloudflare.com, toby.ns.cloudflare.com
MX9aspmx.l.google.com (pri: 1), _dc-mx.a20c0c77e8d4.utu.com.tw (pri: 10)...
TXT1dns.intergroup.net rehinajames@080.net 1
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1ashley.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 32

In-bailiwick: 13 (h.dns.tw, g.dns.tw, f.dns.tw...)

Out-of-bailiwick: 19 (anytld.apnic.net, anytld.apnic.net, h.twnic.net.tw...)

Analysis

IP Addresses

utu.com.tw points to 4 IP addresses — 104.21.12.240, 172.67.153.239, 2606:4700:3031::6815:cf0 and 2606:4700:3033::ac43:99ef.

maxhoki.site, www.bakti.or.id, elmerfem.org plus two other host names have IP numbers in common with utu.com.tw.

Name Servers

Two name servers handle the delegation for utu.com.tw: ashley.ns.cloudflare.com and toby.ns.cloudflare.com.

The name server configuration of utu.com.tw is shared with other domains, for instance reactnatural.com, kemalcr.com, rachelvaldes.com and two others.

At least some of utu.com.tw's name servers are shared with other domains, for example vocss.com, kintec.net, ralgfr58fwrt.com and two more.

These name servers tend to be used in conjunction with the name servers ollie.ns.cloudflare.com.

Hosts with 6 IP addresses each:

ashley.ns.cloudflare.com directs to 108.162.192.71, 172.64.32.71, 173.245.58.71 and three others.

toby.ns.cloudflare.com directs to 108.162.193.239, 172.64.33.239, 173.245.59.239 and three others.

Mail Servers

The MX records for utu.com.tw list 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com plus four others.

At least some of the mail servers used by utu.com.tw are shared with other domains: discountdash.com, mgalaw.net, fc2ppv.org and two others among them.

It is common for these mail servers to be used in conjunction with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com, plus three others.

Host names pointing to two IP addresses:

aspmx2.googlemail.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1a.

aspmx3.googlemail.com resolves to two addresses: 172.253.116.26 and 2a00:1450:400b:c02::1b.

aspmx4.googlemail.com resolves to two addresses: 172.253.135.27 and 2607:f8b0:4023:1015::1a.

aspmx5.googlemail.com resolves to two addresses: 173.194.76.26 and 2a00:1450:400c:c00::1a.

aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c19::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.

Host names with one IP number:

The hostname _dc-mx.a20c0c77e8d4.utu.com.tw resolves to 209.190.85.10.

aspmx2.googlemail.com along with alt1.aspmx.l.google.com each resolve to 108.177.123.26 IP addresses.