`postoffice2.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:18e2^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:dce3^{🇺🇸 Cloudflare2606:4700:3037::/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	2606:4700:3031::6815:18e2, 2606:4700:3037::ac43:dce3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com
SOA	`jerry.ns.cloudflare.com`dns@cloudflare.com serial=2397941129

`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=1777169331

Subdomains

www.postoffice2.com

Same first word

postoffice2.com

DNS History

13 records (9 active, 4 former)

●NSjerry.ns.cloudflare.com2026-03-19 → 2026-04-26 · 2 obs

● 2026-03-19 04:47:36
● 2026-04-26 02:38:14

●NSsarah.ns.cloudflare.com2026-03-19 → 2026-04-26 · 2 obs

● 2026-03-19 04:47:36
● 2026-04-26 02:38:14

●MXroute1.mx.cloudflare.net2026-03-19 → 2026-04-26 · 2 obs

● 2026-03-19 04:47:36
● 2026-04-26 02:38:14

●MXroute2.mx.cloudflare.net2026-03-19 → 2026-04-26 · 2 obs

● 2026-03-19 04:47:36
● 2026-04-26 02:38:14

●MXroute3.mx.cloudflare.net2026-03-19 → 2026-04-26 · 2 obs

● 2026-03-19 04:47:36
● 2026-04-26 02:38:14

●A104.21.24.2262026-03-19 → 2026-04-26 · 4 obs

● 2026-03-19 04:47:36
○ 2026-03-27 09:04:58
● 2026-03-29 15:30:34
● 2026-04-26 02:38:14

●A172.67.220.2272026-03-19 → 2026-04-26 · 4 obs

● 2026-03-19 04:47:36
○ 2026-03-27 09:04:58
● 2026-03-29 15:30:34
● 2026-04-26 02:38:14

○A188.114.96.02026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-19 04:47:36
● 2026-03-27 09:04:58
○ 2026-03-29 15:30:34
○ 2026-04-26 02:38:14

○A188.114.97.02026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-19 04:47:36
● 2026-03-27 09:04:58
○ 2026-03-29 15:30:34
○ 2026-04-26 02:38:14

●A2606:4700:3031::6815:18e22026-03-19 → 2026-04-26 · 4 obs

● 2026-03-19 04:47:36
○ 2026-03-27 09:04:58
● 2026-03-29 15:30:34
● 2026-04-26 02:38:14

●A2606:4700:3037::ac43:dce32026-03-19 → 2026-04-26 · 4 obs

● 2026-03-19 04:47:36
○ 2026-03-27 09:04:58
● 2026-03-29 15:30:34
● 2026-04-26 02:38:14

○A2a06:98c1:3120::2026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-19 04:47:36
● 2026-03-27 09:04:58
○ 2026-03-29 15:30:34
○ 2026-04-26 02:38:14

○A2a06:98c1:3121::2026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-19 04:47:36
● 2026-03-27 09:04:58
○ 2026-03-29 15:30:34
○ 2026-04-26 02:38:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.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: 210ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.220.227, 104.21.24.226`
AAAA	2	`2606:4700:3031::6815:18e2, 2606:4700:3037::ac43:dce3`
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 the parent of www.postoffice2.com.

IP Addresses

Four IP numbers are pointed to by postoffice2.com: 2606:4700:3031::6815:18e2, 2606:4700:3037::ac43:dce3, 104.21.24.226 and 172.67.220.227.

other host names including linyi.dhpoliticaexterna.org.br, inovider.com, cunninghamestates.com, tiponiworks.digital and www.msk-krasnodar.ru share IP numbers with postoffice2.com.

Name Servers

postoffice2.com is delegated to two name servers jerry.ns.cloudflare.com and sarah.ns.cloudflare.com.

postoffice2.com shares the same name server setup as other domains, for instance wow.edu.pl, abelsannes.com, picktrading.com, stjoenews.net and odessa.com.

postoffice2.com at least partially shares name servers with other domains, for instance stranlabs.com, mcglobe.net, eventambit.com, technotrickz.com and woaijin.com.

these name servers are often used together with sandy.ns.cloudflare.com, agustin.ns.cloudflare.com, malcolm.ns.cloudflare.com and hera.ns.cloudflare.com.

Host names with six IP numbers:

Host name jerry.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb6, 2803:f800:50::6ca2:c1b6, 2a06:98c1:50::ac40:21b6, 108.162.193.182, 172.64.33.182 and 173.245.59.182.

Host name sarah.ns.cloudflare.com points to: 2606:4700:50::a29f:26da, 2803:f800:50::6ca2:c2da, 2a06:98c1:50::ac40:22da, 108.162.194.218, 162.159.38.218 and 172.64.34.218.

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 some mail servers with other domains, at least partially, for instance bhsnet.org, theknittingvault.com, samolet-poezd.ru, nekocraft.net and eventorent.com.

Host names with six IP numbers:

Host name route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

Host name route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

Host name route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

postoffice2.com - robtex.com

postoffice2.com

com

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

`postoffice2.com`

`com`