`byfexue.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:1bdc^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:8f9a^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.220^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.143.154^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`marge.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3abf^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marge.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bf^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`marge.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bf^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`marge.ns.cloudflare.com`
		A	108.162.192.191^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marge.ns.cloudflare.com`
		A	172.64.32.191^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marge.ns.cloudflare.com`
		A	173.245.58.191^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`marge.ns.cloudflare.com`
NS	`tom.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b93^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c193^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tom.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2193^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tom.ns.cloudflare.com`
		A	108.162.193.147^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	172.64.33.147^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
		A	173.245.59.147^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tom.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.220, 172.67.143.154
		IPv6 hints	2606:4700:3031::6815:1bdc, 2606:4700:3036::ac43:8f9a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=214, name=cloudflare-ech.com
SOA	`marge.ns.cloudflare.com`dns@cloudflare.com serial=2400490998

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1778388046

⚠️ On DNS blocklist: tif

Same first word

byfexue.com

DNS History

6 records (6 active, 0 former)

●NSmarge.ns.cloudflare.com2026-04-02 → 2026-05-10 · 2 obs

● 2026-04-02 20:23:46
● 2026-05-10 04:58:10

●NStom.ns.cloudflare.com2026-04-02 → 2026-05-10 · 2 obs

● 2026-04-02 20:23:46
● 2026-05-10 04:58:10

●A104.21.27.2202026-04-02 → 2026-05-10 · 2 obs

● 2026-04-02 20:23:46
● 2026-05-10 04:58:10

●A172.67.143.1542026-04-02 → 2026-05-10 · 2 obs

● 2026-04-02 20:23:46
● 2026-05-10 04:58:10

●A2606:4700:3031::6815:1bdc2026-04-02 → 2026-05-10 · 2 obs

● 2026-04-02 20:23:46
● 2026-05-10 04:58:10

●A2606:4700:3036::ac43:8f9a2026-04-02 → 2026-05-10 · 2 obs

● 2026-04-02 20:23:46
● 2026-05-10 04:58:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
byfexue.com	tom.ns.cloudflare.com, marge.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.191

NS records: tom.ns.cloudflare.com, marge.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for byfexue.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.143.154, 104.21.27.220`
AAAA	2	`2606:4700:3036::ac43:8f9a, 2606:4700:3031::6815:1bdc`
NS	2	`marge.ns.cloudflare.com, tom.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`marge.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (tom.ns.cloudflare.com, tom.ns.cloudflare.com, tom.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by byfexue.com: 2606:4700:3031::6815:1bdc, 2606:4700:3036::ac43:8f9a, 104.21.27.220 and 172.67.143.154.

other host names including munsheit.com, playuniiq.info, buddawin.online, vhg5e.fluxhaven.in.net and mistarlink.com share IP numbers with byfexue.com.

Name Servers

byfexue.com is delegated to two name servers marge.ns.cloudflare.com and tom.ns.cloudflare.com.

byfexue.com shares the same name server setup as other domains, for instance vutobyi.com, marcelopc.com.br, koxohoo.com, zexoxiy.net and dezotay.com.

byfexue.com at least partially shares name servers with other domains, for instance squandertech.click, hohohohk.com, visionsys-tems.click, 6dns.org and smcj.xyz.

These name servers are commonly used with kia.ns.cloudflare.com, adelaide.ns.cloudflare.com and valentin.ns.cloudflare.com.

Host names with six IP numbers:

Host name marge.ns.cloudflare.com points to: 2606:4700:50::adf5:3abf, 2803:f800:50::6ca2:c0bf, 2a06:98c1:50::ac40:20bf, 108.162.192.191, 172.64.32.191 and 173.245.58.191.

Host name tom.ns.cloudflare.com points to: 2606:4700:58::adf5:3b93, 2803:f800:50::6ca2:c193, 2a06:98c1:50::ac40:2193, 108.162.193.147, 172.64.33.147 and 173.245.59.147.

byfexue.com - robtex.com

byfexue.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`byfexue.com`

`com`