`howtofly.cn`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:c5f0^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1566^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.21.102^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.197.240^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adel.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c037^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2037^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adel.ns.cloudflare.com`
		A	108.162.192.55^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	172.64.32.55^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
		A	173.245.58.55^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adel.ns.cloudflare.com`
NS	`arch.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b44^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arch.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c144^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`arch.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2144^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`arch.ns.cloudflare.com`
		A	108.162.193.68^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arch.ns.cloudflare.com`
		A	172.64.33.68^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arch.ns.cloudflare.com`
		A	173.245.59.68^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`arch.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.21.102, 172.67.197.240
		IPv6 hints	2606:4700:3034::ac43:c5f0, 2606:4700:3035::6815:1566
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=243, name=cloudflare-ech.com
SOA	`adel.ns.cloudflare.com`dns@cloudflare.com serial=2404161235

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2034791259

Same first word

howtofly.cn

DNS History

16 records (6 active, 10 former)

●NSadel.ns.cloudflare.com2026-04-12 → 2026-05-14 · 3 obs

○ 2017-07-06 04:02:06
● 2026-04-12 02:26:50
● 2026-05-14 10:43:34

●NSarch.ns.cloudflare.com2026-04-12 → 2026-05-14 · 3 obs

○ 2017-07-06 04:02:06
● 2026-04-12 02:26:50
● 2026-05-14 10:43:34

○NSf1g1ns1.dnspod.net2015-12-22 → 2016-03-28 · 4 obs

● 2015-12-22 22:49:06
● 2016-03-28 21:31:48
○ 2017-07-06 04:02:06
○ 2026-05-14 10:43:34

○NSf1g1ns2.dnspod.net2015-12-22 → 2016-03-28 · 4 obs

● 2015-12-22 22:49:06
● 2016-03-28 21:31:48
○ 2017-07-06 04:02:06
○ 2026-05-14 10:43:34

○NSns1.cnolnic.com2017-07-06 → 2017-07-06 · 4 obs

○ 2016-03-28 21:31:48
● 2017-07-06 04:02:06
○ 2026-04-12 02:26:50
○ 2026-05-14 10:43:34

○NSns1.nowcndns.com2026-04-12 → 2026-05-14 · 2 obs

○ 2026-04-12 02:26:50
○ 2026-05-14 10:43:34

○NSns2.cnolnic.com2017-07-06 → 2017-07-06 · 4 obs

○ 2016-03-28 21:31:48
● 2017-07-06 04:02:06
○ 2026-04-12 02:26:50
○ 2026-05-14 10:43:34

○NSns2.nowcndns.com2026-04-12 → 2026-05-14 · 2 obs

○ 2026-04-12 02:26:50
○ 2026-05-14 10:43:34

●A104.21.21.1022026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-12 02:26:50
● 2026-05-14 10:43:34

○A104.217.72.1512016-03-28 → 2016-03-28 · 4 obs

○ 2015-12-22 22:49:06
● 2016-03-28 21:31:48
○ 2017-07-06 04:02:06
○ 2026-05-14 10:43:34

○A122.114.92.2112017-07-06 → 2017-07-06 · 4 obs

○ 2016-03-28 21:31:48
● 2017-07-06 04:02:06
○ 2026-04-12 02:26:50
○ 2026-05-14 10:43:34

○A148.163.187.2322015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 20:36:44
○ 2015-12-22 22:49:06
○ 2026-05-14 10:43:34

●A172.67.197.2402026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-12 02:26:50
● 2026-05-14 10:43:34

●A2606:4700:3034::ac43:c5f02026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-12 02:26:50
● 2026-05-14 10:43:34

●A2606:4700:3035::6815:15662026-05-14 → 2026-05-14 · 2 obs

○ 2026-04-12 02:26:50
● 2026-05-14 10:43:34

○A38.33.168.2492026-04-12 → 2026-05-14 · 2 obs

○ 2026-04-12 02:26:50
○ 2026-05-14 10:43:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
howtofly.cn	adel.ns.cloudflare.com, arch.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.55

NS records: adel.ns.cloudflare.com, arch.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for howtofly.cn (unsigned zone)

⏱️ Timing

Total: 1242ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.21.102, 172.67.197.240`
AAAA	2	`2606:4700:3035::6815:1566, 2606:4700:3034::ac43:c5f0`
NS	2	`adel.ns.cloudflare.com, arch.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adel.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

howtofly.cn points to four IP numbers: 2606:4700:3034::ac43:c5f0, 2606:4700:3035::6815:1566, 104.21.21.102 and 172.67.197.240.

Other host names, for instance remont-iphone-12-zill.ru, aavip.com, irc.one, xozugivotiaservices.digital and brp-tv.com share IP numbers with howtofly.cn.

Name Servers

howtofly.cn's delegation is to two name servers adel.ns.cloudflare.com and arch.ns.cloudflare.com.

howtofly.cn shares the same name server configuration as other domains, such as qinglish.cn, 5xdd.cn, eyiwen.cn, a5901.cn and ckus.cn.

howtofly.cn at least partially shares its name servers with other domains, for instance jewish-e-books.com, paripesa.live, steelbinary.com, dailystar.ng and infest.org.

Host names with six IP numbers:

adel.ns.cloudflare.com points to: 2606:4700:50::adf5:3a37, 2803:f800:50::6ca2:c037, 2a06:98c1:50::ac40:2037, 108.162.192.55, 172.64.32.55 and 173.245.58.55.

arch.ns.cloudflare.com points to: 2606:4700:58::adf5:3b44, 2803:f800:50::6ca2:c144, 2a06:98c1:50::ac40:2144, 108.162.193.68, 172.64.33.68 and 173.245.59.68.

howtofly.cn - robtex.com

howtofly.cn

cn

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`howtofly.cn`

`cn`