posttree.com - dns.ninja

`posttree.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:fec^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:d09f^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.15.236^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.208.159^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dan.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dan.ns.cloudflare.com`
		A	108.162.193.108^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	172.64.33.108^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
		A	173.245.59.108^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dan.ns.cloudflare.com`
NS	`nia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nia.ns.cloudflare.com`
		A	108.162.192.210^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	172.64.32.210^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.ns.cloudflare.com`
		A	173.245.58.210^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nia.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`⁽⁸²⁾
		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`⁽⁹¹⁾
		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	104.21.15.236, 172.67.208.159
		IPv6 hints	2606:4700:3031::6815:fec, 2606:4700:3034::ac43:d09f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=159, name=cloudflare-ech.com
SOA	`dan.ns.cloudflare.com`dns@cloudflare.com serial=2406206716

`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=1782737640

Previously MX for

posttree.com

Same first word

posttree.net

posttree.com

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spottree.com

DNS History

19 records (9 active, 10 former)

●NSdan.ns.cloudflare.com2026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

●NSnia.ns.cloudflare.com2026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

○NSns.rackspace.com2015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 03:44:12
○ 2015-11-23 06:48:40
○ 2026-06-29 13:03:50

○NSns1.etcnameserver.com2016-02-22 → 2016-11-23 · 5 obs

○ 2015-11-23 06:48:40
● 2016-02-22 15:21:00
● 2016-11-23 22:03:58
○ 2026-02-16 09:34:22
○ 2026-06-29 13:03:50

○NSns100.worldnic.com2015-11-23 → 2015-11-23 · 4 obs

○ 2015-07-26 03:44:12
● 2015-11-23 06:48:40
○ 2016-02-22 15:21:00
○ 2026-06-29 13:03:50

○NSns2.etcnameserver.com2016-02-22 → 2016-11-23 · 5 obs

○ 2015-11-23 06:48:40
● 2016-02-22 15:21:00
● 2016-11-23 22:03:58
○ 2026-02-16 09:34:22
○ 2026-06-29 13:03:50

○NSns2.rackspace.com2015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 03:44:12
○ 2015-11-23 06:48:40
○ 2026-06-29 13:03:50

○NSns99.worldnic.com2015-11-23 → 2015-11-23 · 4 obs

○ 2015-07-26 03:44:12
● 2015-11-23 06:48:40
○ 2016-02-22 15:21:00
○ 2026-06-29 13:03:50

○MXposttree.com2016-02-22 → 2016-11-23 · 4 obs

● 2016-02-22 15:21:00
● 2016-11-23 22:03:58
○ 2026-02-16 09:34:22
○ 2026-06-29 13:03:50

●MXroute1.mx.cloudflare.net2026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

●MXroute2.mx.cloudflare.net2026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

●MXroute3.mx.cloudflare.net2026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

●A104.21.15.2362026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

○A162.242.192.2322015-07-26 → 2015-07-26 · 3 obs

● 2015-07-26 03:44:12
○ 2015-11-23 06:48:40
○ 2026-06-29 13:03:50

●A172.67.208.1592026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

○A208.91.197.272015-11-23 → 2015-11-23 · 4 obs

○ 2015-07-26 03:44:12
● 2015-11-23 06:48:40
○ 2016-02-22 15:21:00
○ 2026-06-29 13:03:50

●A2606:4700:3031::6815:fec2026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

●A2606:4700:3034::ac43:d09f2026-02-16 → 2026-06-29 · 3 obs

○ 2016-11-23 22:03:58
● 2026-02-16 09:34:22
● 2026-06-29 13:03:50

○A67.225.176.902016-02-22 → 2016-11-23 · 5 obs

○ 2015-11-23 06:48:40
● 2016-02-22 15:21:00
● 2016-11-23 22:03:58
○ 2026-02-16 09:34:22
○ 2026-06-29 13:03:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
posttree.com	dan.ns.cloudflare.com, nia.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.210

NS records: dan.ns.cloudflare.com, nia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for posttree.com (unsigned zone)

⏱️ Timing

Total: 1560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.208.159, 104.21.15.236`
AAAA	2	`2606:4700:3034::ac43:d09f, 2606:4700:3031::6815:fec`
NS	2	`dan.ns.cloudflare.com, nia.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 31), route1.mx.cloudflare.net (pri: 82)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dan.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

posttree.com directs to four IP numbers, which are 104.21.15.236, 172.67.208.159, 2606:4700:3031::6815:fec and 2606:4700:3034::ac43:d09f.

Two other host names, along with askbctax.com, centerforactioncivics.org and essentialps.org, also share IP numbers with posttree.com.

Name Servers

Two name servers handle the delegation for posttree.com: dan.ns.cloudflare.com and nia.ns.cloudflare.com.

posttree.com shares its NS records with other domains, for example usestrict.net, zoomtecnologico.com, onlinepoll.me and two others.

The name servers of posttree.com overlap at least partially with those of other domains — among them ebooksabc.cf, springstore.net, offroadprogame.com and two more.

These name servers commonly appear in combination with the name servers magnolia.ns.cloudflare.com.

DNS names with 6 IP addresses:

dan.ns.cloudflare.com resolves to 108.162.193.108, 172.64.33.108 and 173.245.59.108 among others, with 3 other IP addresses in total.

nia.ns.cloudflare.com resolves to 108.162.192.210, 172.64.32.210 and 173.245.58.210 among others, with 3 other IP addresses in total.

Mail Servers

Mail for posttree.com is routed through 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 posttree.com and other domains, including cor5.com, robaid.com, rocketprof.com and two others.

DNS names with 6 IP addresses:

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.