`promptfoo.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:da14^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:1855^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.85^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.218.20^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`hank.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b74^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c174^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hank.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2174^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hank.ns.cloudflare.com`
		A	108.162.193.116^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	172.64.33.116^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
		A	173.245.59.116^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hank.ns.cloudflare.com`
NS	`lily.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a82^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c082^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lily.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2082^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lily.ns.cloudflare.com`
		A	108.162.192.130^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	172.64.32.130^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
		A	173.245.58.130^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lily.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	2607:f8b0:4004:c08::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f27.1e100.net`
		A	2607:f8b0:4004:c09::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f26.1e100.net`
		A	2607:f8b0:4004:c09::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bh-in-f27.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
		A	172.253.63.26^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f26.1e100.net`
		A	172.253.63.27^{🇺🇸 Google172.253.63.0/24}
			PTR	`bi-in-f27.1e100.net`
		A	172.253.122.26^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f26.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
TXT	`ahrefs-site-verification_0bffb3ada9e2ecb820f6b5e967d8fc74e91ad9a738dff09eb2b0...`
TXT	`google-site-verification=Gbn4OAh3cyN459g0ha1uHWLZrdMAjgqTFpe3nK1NFj0`
TXT	`google-site-verification=prrLzpkwEKxFq23gEXNP2lvSRudJX9j500SGehRyiaQ`
TXT	`notion-domain-verification=7dYjUnw38fEv3CDi6pIkJPaZqLQvvAMGGIZOYW4mx13`
TXT	`rippling-domain-verification=043d4d045e1ef7ea`
TXT	`v=spf1 include:_spf.google.com include:mailgun.org -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.85, 172.67.218.20
		IPv6 hints	2606:4700:3030::ac43:da14, 2606:4700:3031::6815:1855
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=79, name=cloudflare-ech.com
SOA	`hank.ns.cloudflare.com`dns@cloudflare.com serial=2405724879

`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

rank #134793 globally
rank #107 in the tld
📈 Tranco rank: #372,840
🔒 HSTS Preload (+subdomains)

Subdomains

www.promptfoo.dev

Same first word

promptfoo.dev

promptfoo.app

DNS History

9 records (7 active, 2 former)

●NShank.ns.cloudflare.com2026-02-18 → 2026-07-12 · 2 obs

● 2026-02-18 02:10:02
● 2026-07-12 03:13:54

●NSlily.ns.cloudflare.com2026-02-18 → 2026-07-12 · 2 obs

● 2026-02-18 02:10:02
● 2026-07-12 03:13:54

●MXsmtp.google.com2026-02-18 → 2026-07-12 · 2 obs

● 2026-02-18 02:10:02
● 2026-07-12 03:13:54

●A104.21.24.852026-02-18 → 2026-07-12 · 2 obs

● 2026-02-18 02:10:02
● 2026-07-12 03:13:54

●A172.67.218.202026-02-18 → 2026-07-12 · 2 obs

● 2026-02-18 02:10:02
● 2026-07-12 03:13:54

●A2606:4700:3030::ac43:da142026-06-22 → 2026-07-12 · 3 obs

○ 2026-05-10 03:56:12
● 2026-06-22 10:26:30
● 2026-07-12 03:13:54

●A2606:4700:3031::6815:18552026-06-22 → 2026-07-12 · 3 obs

○ 2026-05-10 03:56:12
● 2026-06-22 10:26:30
● 2026-07-12 03:13:54

○A2606:4700:3035::6815:18552026-02-18 → 2026-05-10 · 4 obs

● 2026-02-18 02:10:02
● 2026-05-10 03:56:12
○ 2026-06-22 10:26:30
○ 2026-07-12 03:13:54

○A2606:4700:3035::ac43:da142026-02-18 → 2026-05-10 · 4 obs

● 2026-02-18 02:10:02
● 2026-05-10 03:56:12
○ 2026-06-22 10:26:30
○ 2026-07-12 03:13:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	10 records
promptfoo.dev	lily.ns.cloudflare.com, hank.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.130

NS records: lily.ns.cloudflare.com, hank.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for promptfoo.dev (unsigned zone)

⏱️ Timing

Total: 644ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.24.85, 172.67.218.20`
AAAA	2	`2606:4700:3030::ac43:da14, 2606:4700:3031::6815:1855`
NS	2	`hank.ns.cloudflare.com, lily.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	6	`ahrefs-site-verification_0bffb3ada9e2ecb, google-site-verification=Gbn4OAh3cyN459g...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`hank.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

Hierarchy

promptfoo.dev serves as the parent of www.promptfoo.dev.

IP Addresses

promptfoo.dev has four IP addresses: 104.21.24.85, 172.67.218.20, 2606:4700:3030::ac43:da14 and 2606:4700:3031::6815:1855.

itolbitol.com, loterijen.com, yl99.net and two other host names share IP numbers with promptfoo.dev.

Name Servers

Two name servers handle the delegation for promptfoo.dev: hank.ns.cloudflare.com and lily.ns.cloudflare.com.

promptfoo.dev uses the same name servers as several other domains — among them wrmattress.com, totalcommercialsolutions.ca, avcilaringilizcekursu.com and two more.

promptfoo.dev has at least partial name server overlap with other domains, such as beurer.ro, actyping.com, (0x78766964656f73)hd.tv and two others.

These name servers tend to appear together with the name servers ian.ns.cloudflare.com, jake.ns.cloudflare.com and shubhi.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

hank.ns.cloudflare.com resolves to 108.162.193.116, 172.64.33.116 and 173.245.59.116 among others, with 3 other IP addresses in total.

lily.ns.cloudflare.com resolves to 108.162.192.130, 172.64.32.130 and 173.245.58.130 among others, with 3 other IP addresses in total.

Mail Servers

Mail for promptfoo.dev is handled by a single mail server, smtp.google.com.

promptfoo.dev uses an identical mail server configuration to several other domains — among them absedu.in, americanyacht.net, d-f.es and two more.

promptfoo.dev has at least partial mail server overlap with other domains such as goodmotors.agency, domainbot.com, sustainabletoilets.com and two more.

smtp.google.com resolves to 9 IP addresses — 142.250.31.26, 172.253.63.26, 172.253.63.27 and 6 others.

promptfoo.dev - robtex.com

promptfoo.dev

dev

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`promptfoo.dev`

`dev`