postdoc.com - dns.ninja

`postdoc.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3036::6815:2a32^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:c8c2^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.42.50^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.194^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`liz.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3abd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0bd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`liz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20bd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`liz.ns.cloudflare.com`
		A	108.162.192.189^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	172.64.32.189^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
		A	173.245.58.189^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`liz.ns.cloudflare.com`
NS	`vern.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bf3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`vern.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`vern.ns.cloudflare.com`
		A	108.162.193.243^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	172.64.33.243^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
		A	173.245.59.243^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`vern.ns.cloudflare.com`
MX	`amir.mx.cloudflare.net` ⭐
		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	162.159.205.11^{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	`isaac.mx.cloudflare.net`⁽⁵²⁾
		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	`linda.mx.cloudflare.net`⁽⁵⁹⁾
		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	162.159.205.23^{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	`google-site-verification=zplvWZWNpRR4gjle8_O-HcRNQolxKyE_qgXLCYQAh8Q`
TXT	`v=spf1 a:mail.postdoc.com include:amazonses.com include:_spf.mx.cloudflare....`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.42.50, 172.67.200.194
		IPv6 hints	2606:4700:3036::6815:2a32, 2606:4700:3036::ac43:c8c2
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=78, name=cloudflare-ech.com
SOA	`liz.ns.cloudflare.com`dns@cloudflare.com serial=2406021704

`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=1780957411

Subdomains

www.postdoc.com

Same first word

postdoc.org

postdoc.lt

postdoc.ru

postdoc.network

postdoc.ie

postdoc.de

postdoc.works

postdoc.fr

postdoc.ca

postdoc.com

postdoc.net

postdoc.info

postdoc.cn

postdoc.careers

postdoc.at

postdoc.ch

Similar names

potdocs.com

docspot.tv

postocd.org

topdocs.de

docpost.net

topdocs.com.au

stopdoc.eu

stopdoc.de

potsdoc.com

codpost.al

todopcs.com

podcost.com

stopocd.org

ocdspot.com

odcspto.com

stopocd.com

docpost.pro

postodc.com

docspot.com

topdocs.net.au

spotdoc.com

costpod.com

tdscoop.com

docstop.be

docpost.com

docpost.co.uk

octodsp.com

docstop.com

topdocs.eu

postcod.com

topdocs.tv

docpost.de

topdocs.us

docstop.eu

docspot.de

docstop.de

spotcod.com

topdocs.co

copdots.com

postcod.es

topdocs.com

docstop.at

topdocs.net

codspot.com

docstop.co.uk

topdocs.es

DNS History

19 records (9 active, 10 former)

●NSliz.ns.cloudflare.com2026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

○NSns1.he.net2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

○NSns2.he.net2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

○NSns3.he.net2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

○NSns4.he.net2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

○NSns5.he.net2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

●NSvern.ns.cloudflare.com2026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

○MXalt1.aspmx.l.google.com2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

○MXalt2.aspmx.l.google.com2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

●MXamir.mx.cloudflare.net2026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

○MXaspmx.l.google.com2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

○MXaspmx2.googlemail.com2015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

●MXisaac.mx.cloudflare.net2026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

●MXlinda.mx.cloudflare.net2026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

●A104.21.42.502026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

○A142.54.165.342015-07-21 → 2017-02-12 · 4 obs

● 2015-07-21 11:53:52
● 2017-02-12 19:57:16
○ 2026-05-18 00:10:04
○ 2026-06-08 22:42:56

●A172.67.200.1942026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

●A2606:4700:3036::6815:2a322026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

●A2606:4700:3036::ac43:c8c22026-05-18 → 2026-06-08 · 3 obs

○ 2017-02-12 19:57:16
● 2026-05-18 00:10:04
● 2026-06-08 22:42:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
postdoc.com	vern.ns.cloudflare.com, liz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.243

NS records: vern.ns.cloudflare.com, liz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postdoc.com (unsigned zone)

⏱️ Timing

Total: 313ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.200.194, 104.21.42.50`
AAAA	2	`2606:4700:3036::ac43:c8c2, 2606:4700:3036::6815:2a32`
NS	2	`liz.ns.cloudflare.com, vern.ns.cloudflare.com`
MX	3	`isaac.mx.cloudflare.net (pri: 52), linda.mx.cloudflare.net (pri: 59)...`
TXT	2	`google-site-verification=zplvWZWNpRR4gjl, v=spf1 a:mail.postdoc.com include:amazon`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`liz.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

postdoc.com is the parent zone for www.postdoc.com.

IP Addresses

postdoc.com resolves to 4 IP numbers: 104.21.42.50, 172.67.200.194, 2606:4700:3036::6815:2a32 and 2606:4700:3036::ac43:c8c2.

Additional host names — uz.spon.es, adsl193-52.pool.businesstel.hu, adsl210-83.pool.businesstel.hu and two others — share IP numbers with postdoc.com.

Name Servers

postdoc.com has two authoritative name servers — liz.ns.cloudflare.com and vern.ns.cloudflare.com.

postdoc.com shares its name server setup with other domains, including e-scientist.org, bestsou.com, highered.careers and two others.

postdoc.com partially shares its NS delegation with several other domains, including prixite.com, sellyourhouseforcashnow.com, paherps.com and two others.

These name servers regularly co-occur with the name servers jason.ns.cloudflare.com, mark.ns.cloudflare.com and dylan.ns.cloudflare.com.

Host names with 6 IP numbers:

The hostname liz.ns.cloudflare.com resolves to 108.162.192.189, 172.64.32.189, 173.245.58.189 and three additional IP addresses.

The hostname vern.ns.cloudflare.com resolves to 108.162.193.243, 172.64.33.243, 173.245.59.243 and three additional IP addresses.

Mail Servers

postdoc.com uses three mail servers — amir.mx.cloudflare.net, isaac.mx.cloudflare.net and linda.mx.cloudflare.net.

postdoc.com shares mail servers — at least in part — with other domains, including lettering.com, mavrag.com, karoon.net and two others.

Host names with 6 IP numbers:

The hostname amir.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and three additional IP addresses.

The hostname isaac.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and three additional IP addresses.

The hostname linda.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and three additional IP addresses.