🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`tfpreflight.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5004^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:ac55^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.4^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.85^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jerome.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerome.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jerome.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jerome.ns.cloudflare.com`
		A	108.162.193.181^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerome.ns.cloudflare.com`
		A	172.64.33.181^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerome.ns.cloudflare.com`
		A	173.245.59.181^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerome.ns.cloudflare.com`
NS	`vivienne.ns.cloudflare.com`
		A	2606:4700:50::a29f:2632^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c232^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vivienne.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2232^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vivienne.ns.cloudflare.com`
		A	108.162.194.50^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	162.159.38.50^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
		A	172.64.34.50^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vivienne.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽³⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹⁴⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiweyk...`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.80.4, 172.67.172.85
		IPv6 hints	2606:4700:3033::6815:5004, 2606:4700:3036::ac43:ac55
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOA	`jerome.ns.cloudflare.com`dns@cloudflare.com serial=2417974385

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Same first word

tfpreflight.dev

Previous names

tfnsc.dev

tfo-api.dev

tfoci.dev

tfoco.dev

tfoms.dev

tforce.dev

tford.dev

tfore.dev

tforge.dev

tforster.dev

tfosaas.dev

tfou.dev

tfourj.dev

tfoutrein.dev

tfoverrides.dev

tfox.dev

tfp.dev

tfp0.dev

tfpc.dev

tfpk.dev

Next names

tfps.dev

tfq.dev

tfr.dev

tfrancisco.dev

tfranklin.dev

tfredklab.dev

tfritschy.dev

tfrw.dev

tfsa.dev

tfsbr.dev

tfsc.dev

tfscmdlets.dev

tfsg.dev

tfsi.dev

tfsn.dev

tfst.dev

tfstrategies.dev

tfsumpy.dev

tft-sim-lab.dev

DNS History

18 records (9 active, 9 former)

●NSjerome.ns.cloudflare.com2026-10-15 → 2026-10-25 · 2 obs

● 2026-10-15 19:01:18
● 2026-10-25 06:16:40

●NSvivienne.ns.cloudflare.com2026-10-15 → 2026-10-25 · 2 obs

● 2026-10-15 19:01:18
● 2026-10-25 06:16:40

○MXeforward1.registrar-servers.com2026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

○MXeforward2.registrar-servers.com2026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

○MXeforward3.registrar-servers.com2026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

○MXeforward4.registrar-servers.com2026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

○MXeforward5.registrar-servers.com2026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

●MXroute1.mx.cloudflare.net2026-10-22 → 2026-10-25 · 3 obs

○ 2026-10-15 19:01:18
● 2026-10-22 16:22:38
● 2026-10-25 06:16:40

●MXroute2.mx.cloudflare.net2026-10-22 → 2026-10-25 · 3 obs

○ 2026-10-15 19:01:18
● 2026-10-22 16:22:38
● 2026-10-25 06:16:40

●MXroute3.mx.cloudflare.net2026-10-22 → 2026-10-25 · 3 obs

○ 2026-10-15 19:01:18
● 2026-10-22 16:22:38
● 2026-10-25 06:16:40

●A104.21.80.42026-10-22 → 2026-10-25 · 3 obs

○ 2026-10-15 19:01:18
● 2026-10-22 16:22:38
● 2026-10-25 06:16:40

●A172.67.172.852026-10-22 → 2026-10-25 · 3 obs

○ 2026-10-15 19:01:18
● 2026-10-22 16:22:38
● 2026-10-25 06:16:40

○A188.114.96.02026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

○A188.114.97.02026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

●A2606:4700:3033::6815:50042026-10-22 → 2026-10-25 · 3 obs

○ 2026-10-15 19:01:18
● 2026-10-22 16:22:38
● 2026-10-25 06:16:40

●A2606:4700:3036::ac43:ac552026-10-22 → 2026-10-25 · 3 obs

○ 2026-10-15 19:01:18
● 2026-10-22 16:22:38
● 2026-10-25 06:16:40

○A2a06:98c1:3120::2026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

○A2a06:98c1:3121::2026-10-15 → 2026-10-15 · 3 obs

● 2026-10-15 19:01:18
○ 2026-10-22 16:22:38
○ 2026-10-25 06:16:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
tfpreflight.dev	vivienne.ns.cloudflare.com, jerome.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.50

NS records: vivienne.ns.cloudflare.com, jerome.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tfpreflight.dev (unsigned zone)

⏱️ Timing

Total: 1307ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.80.4, 172.67.172.85`
AAAA	2	`2606:4700:3036::ac43:ac55, 2606:4700:3033::6815:5004`
NS	2	`jerome.ns.cloudflare.com, vivienne.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 11), route3.mx.cloudflare.net (pri: 30)...`
TXT	2	`v=DKIM1; h=sha256; k=rsa; p=MIIBIjANBgkq, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jerome.ns.cloudflare.com dns.cloudflare.`

Analysis

IP Addresses

tfpreflight.dev resolves to four IP addresses: 104.21.80.4, 172.67.172.85, 2606:4700:3033::6815:5004 and 2606:4700:3036::ac43:ac55.

Among the host names that share IP numbers with tfpreflight.dev are hellog.wiki, stanbuyme.com, stlbrideandgroom.com and two others.

Name Servers

The NS records for tfpreflight.dev delegate to jerome.ns.cloudflare.com and vivienne.ns.cloudflare.com.

tfpreflight.dev has the same name server delegation as a number of other domains, such as taeukmoon.workers.dev, oryonlib.dev, 3ff.uk and two more.

tfpreflight.dev partially shares its NS delegation with several other domains, including majdi-50f.workers.dev, dalamperbaikan.pages.dev, ernestosuarezpuga.workers.dev and two others.

These name servers are regularly seen alongside maleah.ns.cloudflare.com and james.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

jerome.ns.cloudflare.com maps to 108.162.193.181, 172.64.33.181, 173.245.59.181 and 3 additional IP addresses.

vivienne.ns.cloudflare.com maps to 108.162.194.50, 162.159.38.50, 172.64.34.50 and 3 additional IP addresses.

Mail Servers

tfpreflight.dev uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

tfpreflight.dev shares at least some of its mail servers with other domains — for example informyra.net, pubkeys.net, countedthreadco.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

tfpreflight.dev - robtex.com

tfpreflight.dev

dev

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`tfpreflight.dev`

`dev`