`wfk-bio.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5df4^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:d8e2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.93.244^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.216.226^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`curt.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`curt.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`curt.ns.cloudflare.com`
		A	108.162.193.94^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	172.64.33.94^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
		A	173.245.59.94^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`curt.ns.cloudflare.com`
NS	`rafe.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rafe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rafe.ns.cloudflare.com`
		A	108.162.192.216^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	172.64.32.216^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
		A	173.245.58.216^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rafe.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.93.244, 172.67.216.226
		IPv6 hints	2606:4700:3033::6815:5df4, 2606:4700:3035::ac43:d8e2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=177, name=cloudflare-ech.com
SOA	`curt.ns.cloudflare.com`dns@cloudflare.com serial=2403553549

`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=1778518756

Same first word

wfk-bio.com

DNS History

12 records (6 active, 6 former)

○NSadam.ns.cloudflare.com2026-02-17 → 2026-05-03 · 5 obs

○ 2018-06-13 15:14:46
● 2026-02-17 00:50:24
● 2026-05-03 15:41:10
○ 2026-05-06 01:45:50
○ 2026-05-11 17:10:46

●NScurt.ns.cloudflare.com2026-05-06 → 2026-05-11 · 3 obs

○ 2026-05-03 15:41:10
● 2026-05-06 01:45:50
● 2026-05-11 17:10:46

○NSmelody.ns.cloudflare.com2026-02-17 → 2026-05-03 · 5 obs

○ 2018-06-13 15:14:46
● 2026-02-17 00:50:24
● 2026-05-03 15:41:10
○ 2026-05-06 01:45:50
○ 2026-05-11 17:10:46

○NSns11.xincache.com2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 23:27:44
○ 2015-11-09 03:16:36
○ 2026-05-11 17:10:46

○NSns12.xincache.com2015-06-30 → 2015-06-30 · 3 obs

● 2015-06-30 23:27:44
○ 2015-11-09 03:16:36
○ 2026-05-11 17:10:46

○NSns15.xincache.com2015-11-09 → 2018-06-13 · 5 obs

○ 2015-06-30 23:27:44
● 2015-11-09 03:16:36
● 2018-06-13 15:14:46
○ 2026-02-17 00:50:24
○ 2026-05-11 17:10:46

○NSns16.xincache.com2015-11-09 → 2018-06-13 · 5 obs

○ 2015-06-30 23:27:44
● 2015-11-09 03:16:36
● 2018-06-13 15:14:46
○ 2026-02-17 00:50:24
○ 2026-05-11 17:10:46

●NSrafe.ns.cloudflare.com2026-05-06 → 2026-05-11 · 3 obs

○ 2026-05-03 15:41:10
● 2026-05-06 01:45:50
● 2026-05-11 17:10:46

●A104.21.93.2442026-02-17 → 2026-05-11 · 5 obs

● 2026-02-17 00:50:24
● 2026-05-03 15:41:10
○ 2026-05-06 01:45:50
● 2026-05-09 06:32:54
● 2026-05-11 17:10:46

●A172.67.216.2262026-02-17 → 2026-05-11 · 5 obs

● 2026-02-17 00:50:24
● 2026-05-03 15:41:10
○ 2026-05-06 01:45:50
● 2026-05-09 06:32:54
● 2026-05-11 17:10:46

●A2606:4700:3033::6815:5df42026-02-17 → 2026-05-11 · 5 obs

● 2026-02-17 00:50:24
● 2026-05-03 15:41:10
○ 2026-05-06 01:45:50
● 2026-05-09 06:32:54
● 2026-05-11 17:10:46

●A2606:4700:3035::ac43:d8e22026-02-17 → 2026-05-11 · 5 obs

● 2026-02-17 00:50:24
● 2026-05-03 15:41:10
○ 2026-05-06 01:45:50
● 2026-05-09 06:32:54
● 2026-05-11 17:10:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...	-
wfk-bio.com	curt.ns.cloudflare.com, rafe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.94

NS records: curt.ns.cloudflare.com, rafe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for wfk-bio.com (unsigned zone)

⏱️ Timing

Total: 180ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.93.244, 172.67.216.226`
AAAA	2	`2606:4700:3033::6815:5df4, 2606:4700:3035::ac43:d8e2`
NS	2	`curt.ns.cloudflare.com, rafe.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`curt.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

wfk-bio.com points to four IP numbers: 2606:4700:3033::6815:5df4, 2606:4700:3035::ac43:d8e2, 104.21.93.244 and 172.67.216.226.

For instance, other host names webshuba.com, www.fulleronline.org, rvaccessorieszone.com, hulagirlpancakes.com and japuyiumservices88.forum share IP numbers with wfk-bio.com.

Name Servers

wfk-bio.com is delegated to two name servers: curt.ns.cloudflare.com and rafe.ns.cloudflare.com.

wfk-bio.com uses the same name server setup as other domains such as dlqjc.com, shanxilong.com, mofuncloud.com, zpipr.com and cyjthh.com.

wfk-bio.com shares name servers with other domains at least partially, for example eurointerim.it, surgexam.com, tampatriallaw.com, cafe-bonart.com and testtrail.com.

Host names with six IP numbers: host name curt.ns.cloudflare.com points to: 2606:4700:58::adf5:3b5e, 2803:f800:50::6ca2:c15e, 2a06:98c1:50::ac40:215e, 108.162.193.94, 172.64.33.94 and 173.245.59.94; host name rafe.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad8, 2803:f800:50::6ca2:c0d8, 2a06:98c1:50::ac40:20d8, 108.162.192.216, 172.64.32.216 and 173.245.58.216.

wfk-bio.com - robtex.com

wfk-bio.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

`wfk-bio.com`

`com`