ptr.tw - dns.ninja

`ptr.tw`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3030::ac43:a6d0^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:29be^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.190^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.166.208^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c162^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2162^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darl.ns.cloudflare.com`
		A	108.162.193.98^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	172.64.33.98^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	173.245.59.98^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
NS	`iris.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a76^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c076^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`iris.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2076^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`iris.ns.cloudflare.com`
		A	108.162.192.118^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	172.64.32.118^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
		A	173.245.58.118^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`iris.ns.cloudflare.com`
MX	`mail.sean.taipei` ⭐
		A	128.199.207.102^{🇸🇬 DIGITALOCEAN128.199.192.0/18 DigitalOcean}
			PTR	`mail.sean.taipei`
TXT	`google-site-verification=uzA4ZfVt6sHFTTJ6ALxfFbq1vQ1ReeQ7b6aYJI-lQLs`
TXT	`v=spf1 mx ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.190, 172.67.166.208
		IPv6 hints	2606:4700:3030::ac43:a6d0, 2606:4700:3031::6815:29be
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=105, name=cloudflare-ech.com
SOA	`darl.ns.cloudflare.com`dns@cloudflare.com serial=2405127411

`tw`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.tw` ⭐
	NS	`anytld.apnic.net`
	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=2011018790

Same first word

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ptr.hu

ptr.name.tr

ptr.com

ptr.pt

ptr.moe

ptr.tw

ptr.se

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DNS History

11 records (7 active, 4 former)

●NSdarl.ns.cloudflare.com2026-02-23 → 2026-06-05 · 2 obs

● 2026-02-23 19:11:10
● 2026-06-05 06:55:26

●NSiris.ns.cloudflare.com2026-02-23 → 2026-06-05 · 2 obs

● 2026-02-23 19:11:10
● 2026-06-05 06:55:26

●MXmail.sean.taipei2026-02-23 → 2026-06-05 · 2 obs

● 2026-02-23 19:11:10
● 2026-06-05 06:55:26

●A104.21.41.1902026-02-23 → 2026-06-05 · 12 obs

● 2026-02-23 19:11:10
● 2026-03-20 05:31:22
○ 2026-03-25 08:06:10
● 2026-03-26 15:07:24
● 2026-03-29 04:40:30
○ 2026-04-17 06:20:22
○ 2026-04-28 21:18:50
● 2026-04-29 07:08:24
● 2026-05-01 16:45:38
○ 2026-05-02 16:23:42
○ 2026-05-25 19:29:38
● 2026-06-05 06:55:26

●A172.67.166.2082026-02-23 → 2026-06-05 · 12 obs

○A188.114.96.02026-03-25 → 2026-05-25 · 11 obs

○ 2026-03-20 05:31:22
● 2026-03-25 08:06:10
○ 2026-03-26 15:07:24
○ 2026-03-29 04:40:30
● 2026-04-17 06:20:22
● 2026-04-28 21:18:50
○ 2026-04-29 07:08:24
○ 2026-05-01 16:45:38
● 2026-05-02 16:23:42
● 2026-05-25 19:29:38
○ 2026-06-05 06:55:26

○A188.114.97.02026-03-25 → 2026-05-25 · 11 obs

●A2606:4700:3030::ac43:a6d02026-02-23 → 2026-06-05 · 12 obs

●A2606:4700:3031::6815:29be2026-02-23 → 2026-06-05 · 12 obs

○A2a06:98c1:3120::2026-03-25 → 2026-05-25 · 11 obs

○A2a06:98c1:3121::2026-03-25 → 2026-05-25 · 11 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tw	g.dns.tw, e.dns.tw, a.dns.tw, c.dns.tw...	-
ptr.tw	iris.ns.cloudflare.com, darl.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.98

NS records: iris.ns.cloudflare.com, darl.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 857ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.166.208, 104.21.41.190`
AAAA	2	`2606:4700:3030::ac43:a6d0, 2606:4700:3031::6815:29be`
NS	2	`darl.ns.cloudflare.com, iris.ns.cloudflare.com`
MX	2	`mail.sean.taipei (pri: 1), mail.sean.taipei (pri: 10)`
TXT	2	`google-site-verification=uzA4ZfVt6sHFTTJ, v=spf1 mx ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darl.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

ptr.tw resolves to 4 IP numbers: 104.21.41.190, 172.67.166.208, 2606:4700:3030::ac43:a6d0 and 2606:4700:3031::6815:29be.

Additional host names — mail.igmedya.com, usenvpartnerspromo.com, phdstudies.nl and two others — share IP numbers with ptr.tw.

Name Servers

ptr.tw is delegated to two name servers: darl.ns.cloudflare.com and iris.ns.cloudflare.com.

ptr.tw shares its name server setup with other domains, including paintingvalley.com, jmtr.org, 7dak27.live and two others.

At least some of ptr.tw's name servers are shared with other domains, for example syndesus.com, ceciliasardeo.com, jeunessevn.com and two more.

It is common for these name servers to be used in conjunction with the name servers rosa.ns.cloudflare.com, tanner.ns.cloudflare.com and will.ns.cloudflare.com.

Host names with 6 IP numbers:

darl.ns.cloudflare.com directs to 108.162.193.98, 172.64.33.98, 173.245.59.98 and three others.

iris.ns.cloudflare.com directs to 108.162.192.118, 172.64.32.118, 173.245.58.118 and three others.

Mail Servers

ptr.tw has one mail server: mail.sean.taipei.

ptr.tw shares the same mail server setup as other domains, including tlgr.tw, tg.pe, sean.cat and two others.

mail.sean.taipei resolves to a single IP number: 128.199.207.102.