postoffice2.com - dns.ninja

`postoffice2.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:dce3^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:18e2^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.24.226^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.220.227^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jerry.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb6^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerry.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b6^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jerry.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b6^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jerry.ns.cloudflare.com`
		A	108.162.193.182^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerry.ns.cloudflare.com`
		A	172.64.33.182^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerry.ns.cloudflare.com`
		A	173.245.59.182^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jerry.ns.cloudflare.com`
NS	`sarah.ns.cloudflare.com`
		A	2606:4700:50::a29f:26da^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2da^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sarah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22da^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sarah.ns.cloudflare.com`
		A	108.162.194.218^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	162.159.38.218^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.ns.cloudflare.com`
		A	172.64.34.218^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sarah.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	`route1.mx.cloudflare.net`⁽⁷⁰⁾
		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`⁽⁷³⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.24.226, 172.67.220.227
		IPv6 hints	2606:4700:3030::ac43:dce3, 2606:4700:3035::6815:18e2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=68, name=cloudflare-ech.com
SOA	`jerry.ns.cloudflare.com`dns@cloudflare.com serial=2409755184

`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=1786554759

Subdomains

www.postoffice2.com

Same first word

postoffice2.com

DNS History

15 records (9 active, 6 former)

●NSjerry.ns.cloudflare.com2026-03-19 → 2026-08-12 · 2 obs

● 2026-03-19 04:47:36
● 2026-08-12 17:20:48

●NSsarah.ns.cloudflare.com2026-03-19 → 2026-08-12 · 2 obs

● 2026-03-19 04:47:36
● 2026-08-12 17:20:48

●MXroute1.mx.cloudflare.net2026-03-19 → 2026-08-12 · 2 obs

● 2026-03-19 04:47:36
● 2026-08-12 17:20:48

●MXroute2.mx.cloudflare.net2026-03-19 → 2026-08-12 · 2 obs

● 2026-03-19 04:47:36
● 2026-08-12 17:20:48

●MXroute3.mx.cloudflare.net2026-03-19 → 2026-08-12 · 2 obs

● 2026-03-19 04:47:36
● 2026-08-12 17:20:48

●A104.21.24.2262026-03-19 → 2026-08-12 · 8 obs

● 2026-03-19 04:47:36
○ 2026-03-27 09:04:58
● 2026-03-29 15:30:34
● 2026-05-25 05:04:54
○ 2026-06-02 12:24:04
● 2026-06-12 17:32:44
○ 2026-08-08 05:59:06
● 2026-08-12 17:20:48

●A172.67.220.2272026-03-19 → 2026-08-12 · 8 obs

● 2026-03-19 04:47:36
○ 2026-03-27 09:04:58
● 2026-03-29 15:30:34
● 2026-05-25 05:04:54
○ 2026-06-02 12:24:04
● 2026-06-12 17:32:44
○ 2026-08-08 05:59:06
● 2026-08-12 17:20:48

○A188.114.96.02026-03-27 → 2026-08-08 · 8 obs

○ 2026-03-19 04:47:36
● 2026-03-27 09:04:58
○ 2026-03-29 15:30:34
○ 2026-05-25 05:04:54
● 2026-06-02 12:24:04
○ 2026-06-12 17:32:44
● 2026-08-08 05:59:06
○ 2026-08-12 17:20:48

○A188.114.97.02026-03-27 → 2026-08-08 · 8 obs

○ 2026-03-19 04:47:36
● 2026-03-27 09:04:58
○ 2026-03-29 15:30:34
○ 2026-05-25 05:04:54
● 2026-06-02 12:24:04
○ 2026-06-12 17:32:44
● 2026-08-08 05:59:06
○ 2026-08-12 17:20:48

●A2606:4700:3030::ac43:dce32026-07-13 → 2026-08-12 · 4 obs

○ 2026-06-17 16:57:12
● 2026-07-13 04:40:04
○ 2026-08-08 05:59:06
● 2026-08-12 17:20:48

○A2606:4700:3031::6815:18e22026-03-19 → 2026-06-17 · 9 obs

● 2026-03-19 04:47:36
○ 2026-03-27 09:04:58
● 2026-03-29 15:30:34
● 2026-05-25 05:04:54
○ 2026-06-02 12:24:04
● 2026-06-12 17:32:44
● 2026-06-17 16:57:12
○ 2026-07-13 04:40:04
○ 2026-08-12 17:20:48

●A2606:4700:3035::6815:18e22026-07-13 → 2026-08-12 · 4 obs

○ 2026-06-17 16:57:12
● 2026-07-13 04:40:04
○ 2026-08-08 05:59:06
● 2026-08-12 17:20:48

○A2606:4700:3037::ac43:dce32026-03-19 → 2026-06-17 · 9 obs

○A2a06:98c1:3120::2026-03-27 → 2026-08-08 · 8 obs

○ 2026-03-19 04:47:36
● 2026-03-27 09:04:58
○ 2026-03-29 15:30:34
○ 2026-05-25 05:04:54
● 2026-06-02 12:24:04
○ 2026-06-12 17:32:44
● 2026-08-08 05:59:06
○ 2026-08-12 17:20:48

○A2a06:98c1:3121::2026-03-27 → 2026-08-08 · 8 obs

○ 2026-03-19 04:47:36
● 2026-03-27 09:04:58
○ 2026-03-29 15:30:34
○ 2026-05-25 05:04:54
● 2026-06-02 12:24:04
○ 2026-06-12 17:32:44
● 2026-08-08 05:59:06
○ 2026-08-12 17:20:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
postoffice2.com	jerry.ns.cloudflare.com, sarah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.182

NS records: jerry.ns.cloudflare.com, sarah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postoffice2.com (unsigned zone)

⏱️ Timing

Total: 198ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.24.226, 172.67.220.227`
AAAA	2	`2606:4700:3030::ac43:dce3, 2606:4700:3035::6815:18e2`
NS	2	`jerry.ns.cloudflare.com, sarah.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 42), route1.mx.cloudflare.net (pri: 70)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jerry.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

postoffice2.com is a parent domain of www.postoffice2.com.

IP Addresses

postoffice2.com resolves to four IP addresses: 104.21.24.226, 172.67.220.227, 2606:4700:3030::ac43:dce3 and 2606:4700:3035::6815:18e2.

Additional host names — linyi.dhpoliticaexterna.org.br, inovider.com, cunninghamestates.com and two others — share IP numbers with postoffice2.com.

Name Servers

Two name servers handle the delegation for postoffice2.com: jerry.ns.cloudflare.com and sarah.ns.cloudflare.com.

postoffice2.com shares its name server setup with other domains, including wow.edu.pl, nokiarussia.ru, abelsannes.com and two others.

postoffice2.com shares at least some of its name servers with other domains, including schatztv.de, stranlabs.com, hypergamblebase.nl and two others.

These name servers are frequently seen alongside the name servers malcolm.ns.cloudflare.com, sandy.ns.cloudflare.com, agustin.ns.cloudflare.com and kate.ns.cloudflare.com.

Host names with 6 IP numbers:

jerry.ns.cloudflare.com resolves to 108.162.193.182, 172.64.33.182 and 173.245.59.182 among others, with 3 other IP addresses in total.

sarah.ns.cloudflare.com resolves to 108.162.194.218, 162.159.38.218 and 172.64.34.218 among others, with 3 other IP addresses in total.

Mail Servers

postoffice2.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

postoffice2.com shares mail servers — at least in part — with other domains, including bhsnet.org, theknittingvault.com, samolet-poezd.ru and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.