postdoc.org - dns.ninja

`postdoc.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:866b^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:19ad^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.25.173^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.134.107^{🇺🇸 Cloudflare172.67.128.0/20 , 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`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.25.173, 172.67.134.107
		IPv6 hints	2606:4700:3034::ac43:866b, 2606:4700:3037::6815:19ad
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=224, name=cloudflare-ech.com
SOA	`liz.ns.cloudflare.com`dns@cloudflare.com serial=2409973373

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1785435397

Same first word

postdoc.ru

postdoc.network

postdoc.eu

postdoc.ie

postdoc.de

postdoc.works

postdoc.fr

postdoc.ca

postdoc.com

postdoc.net

postdoc.info

postdoc.cn

postdoc.careers

postdoc.at

postdoc.ch

postdoc.org

postdoc.lt

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todopcs.com

podcost.com

stopocd.org

ocdspot.com

odcspto.com

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docpost.pro

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docspot.com

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tdscoop.com

docstop.be

docpost.com

docpost.co.uk

octodsp.com

docstop.com

topdocs.eu

postcod.com

topdocs.tv

docpost.de

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

potdocs.com

docspot.tv

postocd.org

topdocs.de

docpost.net

topdocs.com.au

stopdoc.eu

stopdoc.de

potsdoc.com

DNS History

11 records (6 active, 5 former)

●NSliz.ns.cloudflare.com2026-03-13 → 2026-07-30 · 3 obs

○ 2018-07-11 20:14:50
● 2026-03-13 10:42:20
● 2026-07-30 18:32:36

○NSns1.ezhost.net2015-08-03 → 2018-07-11 · 4 obs

● 2015-08-03 19:51:08
● 2018-07-11 20:14:50
○ 2026-03-13 10:42:20
○ 2026-07-30 18:32:36

○NSns2.ezhost.net2015-08-03 → 2018-07-11 · 4 obs

● 2015-08-03 19:51:08
● 2018-07-11 20:14:50
○ 2026-03-13 10:42:20
○ 2026-07-30 18:32:36

●NSvern.ns.cloudflare.com2026-03-13 → 2026-07-30 · 3 obs

○ 2018-07-11 20:14:50
● 2026-03-13 10:42:20
● 2026-07-30 18:32:36

●A104.21.25.1732026-03-13 → 2026-07-30 · 3 obs

○ 2018-07-11 20:14:50
● 2026-03-13 10:42:20
● 2026-07-30 18:32:36

○A142.54.165.342015-08-03 → 2018-07-11 · 4 obs

● 2015-08-03 19:51:08
● 2018-07-11 20:14:50
○ 2026-03-13 10:42:20
○ 2026-07-30 18:32:36

●A172.67.134.1072026-03-13 → 2026-07-30 · 3 obs

○ 2018-07-11 20:14:50
● 2026-03-13 10:42:20
● 2026-07-30 18:32:36

○A2606:4700:3032::ac43:866b2026-03-13 → 2026-06-15 · 5 obs

○ 2018-07-11 20:14:50
● 2026-03-13 10:42:20
● 2026-06-15 03:43:32
○ 2026-07-11 15:16:32
○ 2026-07-30 18:32:36

○A2606:4700:3034::6815:19ad2026-03-13 → 2026-06-15 · 5 obs

○ 2018-07-11 20:14:50
● 2026-03-13 10:42:20
● 2026-06-15 03:43:32
○ 2026-07-11 15:16:32
○ 2026-07-30 18:32:36

●A2606:4700:3034::ac43:866b2026-07-11 → 2026-07-30 · 3 obs

○ 2026-06-15 03:43:32
● 2026-07-11 15:16:32
● 2026-07-30 18:32:36

●A2606:4700:3037::6815:19ad2026-07-11 → 2026-07-30 · 3 obs

○ 2026-06-15 03:43:32
● 2026-07-11 15:16:32
● 2026-07-30 18:32:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
postdoc.org	vern.ns.cloudflare.com, liz.ns.cloudflare.com	-

✅ 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.org (unsigned zone)

⏱️ Timing

Total: 299ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.25.173, 172.67.134.107`
AAAA	2	`2606:4700:3037::6815:19ad, 2606:4700:3034::ac43:866b`
NS	2	`liz.ns.cloudflare.com, vern.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`liz.ns.cloudflare.com dns.cloudflare.com`

Analysis

IP Addresses

postdoc.org directs to four IP numbers, which are 104.21.25.173, 172.67.134.107, 2606:4700:3034::ac43:866b and 2606:4700:3037::6815:19ad.

Among the host names that share IP numbers with postdoc.org are tripate.com, zzkszj.com, home(0x6675636b)k.com and two others.

Name Servers

postdoc.org uses two name servers for its delegation: liz.ns.cloudflare.com and vern.ns.cloudflare.com.

postdoc.org has the same name server delegation as a number of other domains, such as chinaftp.net, campuscareercenters.com, postdoctorate.info and two more.

At least some of postdoc.org's name servers are shared with other domains, for example metromsp.co, tubidyytmp3.co.za, lje351.com and two more.

It is common for these name servers to be used in conjunction with the name servers jason.ns.cloudflare.com, zahir.ns.cloudflare.com and naomi.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname liz.ns.cloudflare.com directs to 108.162.192.189, 172.64.32.189 and 173.245.58.189 along with 3 other IP addresses.

Hostname vern.ns.cloudflare.com directs to 108.162.193.243, 172.64.33.243 and 173.245.59.243 along with 3 other IP addresses.