postkeep.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`postkeep.dev`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:f7c^{Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:a29b^{Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.124^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.162.155^{Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ainsley.ns.cloudflare.com` ⭐
NS	`bjorn.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c62^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c362^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:2362^{Cloudflare2a06:98c1:50::/45}
		A	108.162.195.98^{Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	162.159.44.98^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.35.98^{Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`v=spf1 -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.15.124, 172.67.162.155
		IPv6 hints	2606:4700:3031::6815:f7c, 2606:4700:3033::ac43:a29b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=249, name=cloudflare-ech.com
SOA	`ainsley.ns.cloudflare.com`dns@cloudflare.com serial=2419194589

`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)

DNS History

6 records (6 active, 0 former)

●NSainsley.ns.cloudflare.com2026-10-10 → 2026-11-04 · 2 obs

● 2026-10-10 11:42:54
● 2026-11-04 17:21:28

●NSbjorn.ns.cloudflare.com2026-10-10 → 2026-11-04 · 2 obs

● 2026-10-10 11:42:54
● 2026-11-04 17:21:28

●A104.21.15.1242026-10-23 → 2026-11-04 · 2 obs

● 2026-10-23 04:28:18
● 2026-11-04 17:21:28

●A172.67.162.1552026-10-23 → 2026-11-04 · 2 obs

● 2026-10-23 04:28:18
● 2026-11-04 17:21:28

●A2606:4700:3031::6815:f7c2026-10-23 → 2026-11-04 · 2 obs

● 2026-10-23 04:28:18
● 2026-11-04 17:21:28

●A2606:4700:3033::ac43:a29b2026-10-23 → 2026-11-04 · 2 obs

● 2026-10-23 04:28:18
● 2026-11-04 17:21:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
postkeep.dev	bjorn.ns.cloudflare.com, ainsley.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.35.98

NS records: bjorn.ns.cloudflare.com, ainsley.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 975ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.162.155, 104.21.15.124`
AAAA	2	`2606:4700:3031::6815:f7c, 2606:4700:3033::ac43:a29b`
NS	2	`ainsley.ns.cloudflare.com, bjorn.ns.cloudflare.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ainsley.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

postkeep.dev has four IP addresses: 104.21.15.124, 172.67.162.155, 2606:4700:3031::6815:f7c and 2606:4700:3033::ac43:a29b.

Name Servers

Two name servers handle the delegation for postkeep.dev: ainsley.ns.cloudflare.com and bjorn.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

bjorn.ns.cloudflare.com resolves to 108.162.195.98, 162.159.44.98 and 172.64.35.98 among others, with 3 other IP addresses in total.