`j172.tw`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::ac43:ba6d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:1389^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.137^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.186.109^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bob.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
NS	`uma.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c092^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`uma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2092^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`uma.ns.cloudflare.com`
		A	108.162.192.146^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	172.64.32.146^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
		A	173.245.58.146^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uma.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁴²⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁹⁴⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=MC3SQIhO9S4dv_uijIcwamg52Lsjez-38D3Ye0J2RCc`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.137, 172.67.186.109
		IPv6 hints	2606:4700:3030::ac43:ba6d, 2606:4700:3037::6815:1389
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com
SOA	`bob.ns.cloudflare.com`dns@cloudflare.com serial=2410436024

`tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.tw` ⭐
	NS	`anytld.apnic.net` ⚠️ Not in parent delegation
	NS	`b.dns.tw`
	NS	`c.dns.tw`
	NS	`d.dns.tw`
	NS	`e.dns.tw`
	NS	`f.dns.tw`
	NS	`g.dns.tw`
	NS	`h.dns.tw`
	SOA	`a.dns.tw`snw@twnic.net.tw serial=2011039167

Previously MX for

j172.tw

Same first word

j172.tw

Similar names

j127.net

172j.com

127j.casino

72j1.info

172j.s3.amazonaws.com

127j.com

DNS History

17 records (9 active, 8 former)

●NSbob.ns.cloudflare.com2026-04-25 → 2026-07-26 · 3 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-07-26 19:08:00

○NSns31.g-dns.com2015-08-05 → 2016-01-02 · 4 obs

● 2015-08-05 18:15:14
● 2016-01-02 23:23:10
○ 2016-05-22 00:57:12
○ 2026-07-26 19:08:00

○NSns32.g-dns.com2015-08-05 → 2016-01-02 · 4 obs

● 2015-08-05 18:15:14
● 2016-01-02 23:23:10
○ 2016-05-22 00:57:12
○ 2026-07-26 19:08:00

○NSns83.g-dns.com2016-05-22 → 2017-02-02 · 5 obs

○ 2016-01-02 23:23:10
● 2016-05-22 00:57:12
● 2017-02-02 20:31:24
○ 2026-04-25 17:03:16
○ 2026-07-26 19:08:00

○NSns84.g-dns.com2016-05-22 → 2017-02-02 · 5 obs

○ 2016-01-02 23:23:10
● 2016-05-22 00:57:12
● 2017-02-02 20:31:24
○ 2026-04-25 17:03:16
○ 2026-07-26 19:08:00

●NSuma.ns.cloudflare.com2026-04-25 → 2026-07-26 · 3 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-07-26 19:08:00

○MXj172.tw2015-08-05 → 2017-02-02 · 4 obs

● 2015-08-05 18:15:14
● 2017-02-02 20:31:24
○ 2026-04-25 17:03:16
○ 2026-07-26 19:08:00

●MXroute1.mx.cloudflare.net2026-04-25 → 2026-07-26 · 3 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-07-26 19:08:00

●MXroute2.mx.cloudflare.net2026-04-25 → 2026-07-26 · 3 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-07-26 19:08:00

●MXroute3.mx.cloudflare.net2026-04-25 → 2026-07-26 · 3 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-07-26 19:08:00

○A103.17.8.232015-08-05 → 2016-01-02 · 4 obs

● 2015-08-05 18:15:14
● 2016-01-02 23:23:10
○ 2016-05-22 00:57:12
○ 2026-07-26 19:08:00

●A104.21.19.1372026-04-25 → 2026-07-26 · 3 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-07-26 19:08:00

○A155.94.159.172016-05-22 → 2017-02-02 · 5 obs

○ 2016-01-02 23:23:10
● 2016-05-22 00:57:12
● 2017-02-02 20:31:24
○ 2026-04-25 17:03:16
○ 2026-07-26 19:08:00

●A172.67.186.1092026-04-25 → 2026-07-26 · 3 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-07-26 19:08:00

●A2606:4700:3030::ac43:ba6d2026-07-13 → 2026-07-26 · 3 obs

○ 2026-06-13 20:30:50
● 2026-07-13 02:30:14
● 2026-07-26 19:08:00

●A2606:4700:3037::6815:13892026-04-25 → 2026-07-26 · 3 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-07-26 19:08:00

○A2606:4700:3037::ac43:ba6d2026-04-25 → 2026-06-13 · 5 obs

○ 2017-02-02 20:31:24
● 2026-04-25 17:03:16
● 2026-06-13 20:30:50
○ 2026-07-13 02:30:14
○ 2026-07-26 19:08:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	a.dns.tw, b.dns.tw, c.dns.tw, d.dns.tw...	15 records
j172.tw	uma.ns.cloudflare.com, bob.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.146

NS records: uma.ns.cloudflare.com, bob.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1127ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.186.109, 104.21.19.137`
AAAA	2	`2606:4700:3037::6815:1389, 2606:4700:3030::ac43:ba6d`
NS	2	`bob.ns.cloudflare.com, uma.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 42), route1.mx.cloudflare.net (pri: 6)...`
TXT	2	`google-site-verification=MC3SQIhO9S4dv_u, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bob.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 15

In-bailiwick: 14 (a.dns.tw, b.dns.tw, c.dns.tw...)

Out-of-bailiwick: 1 (anytld.apnic.net)

Analysis

IP Addresses

j172.tw points to the four IP addresses 104.21.19.137, 172.67.186.109, 2606:4700:3030::ac43:ba6d and 2606:4700:3037::6815:1389.

Among the host names that share IP numbers with j172.tw are s5396.com, tobinphoto.com, ics.education and two others.

Name Servers

j172.tw uses two name servers for its delegation: bob.ns.cloudflare.com and uma.ns.cloudflare.com.

j172.tw has the same name server delegation as a number of other domains, such as westernfair.ca, filmlondon.ca, faskha.com and two more.

At least some of j172.tw's name servers are shared with other domains, for example glintt.com.mx, citychurchabq.org, sbavvkj.info and two more.

It is common for these name servers to be used in conjunction with the name servers merlin.ns.cloudflare.com, donovan.ns.cloudflare.com and nola.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname bob.ns.cloudflare.com directs to 108.162.193.104, 172.64.33.104 and 173.245.59.104 along with 3 other IP addresses.

Hostname uma.ns.cloudflare.com directs to 108.162.192.146, 172.64.32.146 and 173.245.58.146 along with 3 other IP addresses.

Mail Servers

The MX records for j172.tw list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

j172.tw shares at least some of its mail servers with other domains — for example underanime.net, velvetspin-casino.de, tracksinspector.com and two more.

Host names resolving to 6 IP numbers:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.

j172.tw - robtex.com

j172.tw

tw

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`j172.tw`

`tw`