🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`posttestserver.dev`

DNSSEC	🔒 Signed (DS record present)
A	2606:4700:3034::6815:3089^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:9827^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.48.137^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.39^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`chin.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a54^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c054^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`chin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2054^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`chin.ns.cloudflare.com`
		A	108.162.192.84^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	172.64.32.84^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
		A	173.245.58.84^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`chin.ns.cloudflare.com`
NS	`ray.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ray.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ray.ns.cloudflare.com`
		A	108.162.193.138^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	172.64.33.138^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
		A	173.245.59.138^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ray.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		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`
MX	`route3.mx.cloudflare.net`⁽⁶⁹⁾
		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	`route2.mx.cloudflare.net`⁽⁸⁶⁾
		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`
TXT	`google-site-verification=VrGC3UQg4wgnsltL8U7bShZeCLovyioJL8x1541U-Vw`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.48.137, 172.67.152.39
		IPv6 hints	2606:4700:3034::6815:3089, 2606:4700:3037::ac43:9827
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=104, name=cloudflare-ech.com
SOA	`chin.ns.cloudflare.com`dns@cloudflare.com serial=2412801789

`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

posttestserver.pages.dev

posttestserver.dev

posttestserver.com

Previous names

Next names

postto.dev

posttraining.dev

postum.dev

postureprompt.dev

postvex.dev

postwand.dev

postwork.dev

postycards.dev

postzen.dev

posur.dev

posuslot.dev

poswithlogic.dev

posy.dev

posylka.dev

pot8o.dev

potabo.dev

potae.dev

potapov.dev

potasiak.dev

DNS History

9 records (9 active, 0 former)

●NSchin.ns.cloudflare.com2026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

●NSray.ns.cloudflare.com2026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

●MXroute1.mx.cloudflare.net2026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

●MXroute2.mx.cloudflare.net2026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

●MXroute3.mx.cloudflare.net2026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

●A104.21.48.1372026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

●A172.67.152.392026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

●A2606:4700:3034::6815:30892026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

●A2606:4700:3037::ac43:98272026-08-30 → 2026-09-03 · 2 obs

● 2026-08-30 01:41:58
● 2026-09-03 17:20:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
posttestserver.dev	chin.ns.cloudflare.com, ray.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.84

NS records: chin.ns.cloudflare.com, ray.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 764ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.152.39, 104.21.48.137`
AAAA	2	`2606:4700:3037::ac43:9827, 2606:4700:3034::6815:3089`
NS	2	`chin.ns.cloudflare.com, ray.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 37), route3.mx.cloudflare.net (pri: 69)...`
TXT	2	`google-site-verification=VrGC3UQg4wgnslt, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`chin.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

posttestserver.dev resolves to four IP addresses: 104.21.48.137, 172.67.152.39, 2606:4700:3034::6815:3089 and 2606:4700:3037::ac43:9827.

Two other host names, along with selvrinwear.shop, sukhiatwal.ca and newheights.info, also share IP numbers with posttestserver.dev.

Name Servers

posttestserver.dev has two authoritative name servers — chin.ns.cloudflare.com and ray.ns.cloudflare.com.

posttestserver.dev shares its NS records with other domains, for example ninjajagogame.com, mohmal.eu.org, watismijncijfer.nl and two others.

posttestserver.dev has at least partial name server overlap with other domains, such as scotts-site.pages.dev, baju-biru.pages.dev, salmabousselmi.com and two others.

It is common to see these name servers used together with name servers scott.ns.cloudflare.com and arch.ns.cloudflare.com.

DNS names with 6 IP addresses:

chin.ns.cloudflare.com points to 108.162.192.84, 172.64.32.84, 173.245.58.84 and 3 other IP addresses.

ray.ns.cloudflare.com points to 108.162.193.138, 172.64.33.138, 173.245.59.138 and 3 other IP addresses.

Mail Servers

posttestserver.dev has three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between posttestserver.dev and other domains, including tav1.top, oriamc.com, pokertexashold-em.it and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.

posttestserver.dev - robtex.com