🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`zf-refractory.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:3e05^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:d97b^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.62.5^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.217.123^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jakub.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c55^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c355^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jakub.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2355^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jakub.ns.cloudflare.com`
		A	108.162.195.85^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	162.159.44.85^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
		A	172.64.35.85^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jakub.ns.cloudflare.com`
NS	`melina.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melina.ns.cloudflare.com`
		A	108.162.194.184^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	162.159.38.184^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	172.64.34.184^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
TXT	`v=spf1 include:spf.mail.qq.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.62.5, 172.67.217.123
		IPv6 hints	2606:4700:3031::6815:3e05, 2606:4700:3032::ac43:d97b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=10, name=cloudflare-ech.com
SOA	`jakub.ns.cloudflare.com`dns@cloudflare.com serial=2410166578

`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=1786797714

Same first word

zf-refractory.com

DNS History

10 records (8 active, 2 former)

●NSjakub.ns.cloudflare.com2026-06-10 → 2026-08-15 · 2 obs

● 2026-06-10 15:19:30
● 2026-08-15 12:49:50

●NSmelina.ns.cloudflare.com2026-06-10 → 2026-08-15 · 2 obs

● 2026-06-10 15:19:30
● 2026-08-15 12:49:50

●MXmxbiz1.qq.com2026-06-10 → 2026-08-15 · 2 obs

● 2026-06-10 15:19:30
● 2026-08-15 12:49:50

●MXmxbiz2.qq.com2026-06-10 → 2026-08-15 · 2 obs

● 2026-06-10 15:19:30
● 2026-08-15 12:49:50

●A104.21.62.52026-06-10 → 2026-08-15 · 2 obs

● 2026-06-10 15:19:30
● 2026-08-15 12:49:50

●A172.67.217.1232026-06-10 → 2026-08-15 · 2 obs

● 2026-06-10 15:19:30
● 2026-08-15 12:49:50

●A2606:4700:3031::6815:3e052026-08-15 → 2026-08-15 · 3 obs

○ 2026-06-10 15:19:30
● 2026-08-15 12:49:48
● 2026-08-15 12:49:50

○A2606:4700:3031::ac43:d97b2026-06-10 → 2026-06-10 · 3 obs

● 2026-06-10 15:19:30
○ 2026-08-15 12:49:48
○ 2026-08-15 12:49:50

●A2606:4700:3032::ac43:d97b2026-08-15 → 2026-08-15 · 3 obs

○ 2026-06-10 15:19:30
● 2026-08-15 12:49:48
● 2026-08-15 12:49:50

○A2606:4700:3035::6815:3e052026-06-10 → 2026-06-10 · 3 obs

● 2026-06-10 15:19:30
○ 2026-08-15 12:49:48
○ 2026-08-15 12:49:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net...	-
zf-refractory.com	melina.ns.cloudflare.com, jakub.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.184

NS records: melina.ns.cloudflare.com, jakub.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zf-refractory.com (unsigned zone)

⏱️ Timing

Total: 202ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.217.123, 104.21.62.5`
AAAA	2	`2606:4700:3032::ac43:d97b, 2606:4700:3031::6815:3e05`
NS	2	`jakub.ns.cloudflare.com, melina.ns.cloudflare.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
TXT	1	`v=spf1 include:spf.mail.qq.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jakub.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

zf-refractory.com points to the four IP addresses 104.21.62.5, 172.67.217.123, 2606:4700:3031::6815:3e05 and 2606:4700:3032::ac43:d97b.

techi.in, erickrdiaz.com, sicbotogel.best and two other host names share IP numbers with zf-refractory.com.

Name Servers

DNS delegation for zf-refractory.com points to two name servers: jakub.ns.cloudflare.com and melina.ns.cloudflare.com.

zf-refractory.com uses the same name servers as several other domains — among them ledmovingheadlight.net, toohaacnc.com, chengyuepacking.com and two more.

There is at least partial name server overlap between zf-refractory.com and other domains — ctrustnet.ro, ah8i.com, 221andskey.xyz and two more among them.

These name servers frequently co-occur with the name servers hattie.ns.cloudflare.com and dora.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

jakub.ns.cloudflare.com has IP addresses 108.162.195.85, 162.159.44.85 and 172.64.35.85, plus 3 other.

melina.ns.cloudflare.com has IP addresses 108.162.194.184, 162.159.38.184 and 172.64.34.184, plus 3 other.

Mail Servers

Mail for zf-refractory.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.

zf-refractory.com uses an identical mail server configuration to several other domains — among them showmandarin.com, pdd-inc.net, wanzigame.com and two more.

zf-refractory.com has at least partial mail server overlap with other domains such as dzzlk.com, mait88.com, sxysk.com and two more.

zf-refractory.com - robtex.com