postdocnetwork.net - dns.ninja

`postdocnetwork.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2530^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:cbf5^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.37.48^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.245^{🇺🇸 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`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.37.48, 172.67.203.245
		IPv6 hints	2606:4700:3031::6815:2530, 2606:4700:3033::ac43:cbf5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=241, name=cloudflare-ech.com
SOA	`liz.ns.cloudflare.com`dns@cloudflare.com serial=2404048807

`net`

	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=1783475836

Same first word

postdocnetwork.com

postdocnetwork.net

postdocnetwork.org

DNS History

8 records (6 active, 2 former)

●NSliz.ns.cloudflare.com2026-02-18 → 2026-07-08 · 2 obs

● 2026-02-18 14:01:46
● 2026-07-08 02:25:46

●NSvern.ns.cloudflare.com2026-02-18 → 2026-07-08 · 2 obs

● 2026-02-18 14:01:46
● 2026-07-08 02:25:46

●A104.21.37.482026-02-18 → 2026-07-08 · 2 obs

● 2026-02-18 14:01:46
● 2026-07-08 02:25:46

●A172.67.203.2452026-02-18 → 2026-07-08 · 2 obs

● 2026-02-18 14:01:46
● 2026-07-08 02:25:46

●A2606:4700:3031::6815:25302026-07-08 → 2026-07-08 · 3 obs

○ 2026-03-02 06:16:04
● 2026-07-08 02:25:44
● 2026-07-08 02:25:46

●A2606:4700:3033::ac43:cbf52026-07-08 → 2026-07-08 · 3 obs

○ 2026-03-02 06:16:04
● 2026-07-08 02:25:44
● 2026-07-08 02:25:46

○A2606:4700:3034::ac43:cbf52026-02-18 → 2026-03-02 · 4 obs

● 2026-02-18 14:01:46
● 2026-03-02 06:16:04
○ 2026-07-08 02:25:44
○ 2026-07-08 02:25:46

○A2606:4700:3035::6815:25302026-02-18 → 2026-03-02 · 4 obs

● 2026-02-18 14:01:46
● 2026-03-02 06:16:04
○ 2026-07-08 02:25:44
○ 2026-07-08 02:25:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
postdocnetwork.net	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 postdocnetwork.net (unsigned zone)

⏱️ Timing

Total: 521ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.203.245, 104.21.37.48`
AAAA	2	`2606:4700:3033::ac43:cbf5, 2606:4700:3031::6815:2530`
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

postdocnetwork.net directs to four IP numbers, which are 104.21.37.48, 172.67.203.245, 2606:4700:3031::6815:2530 and 2606:4700:3033::ac43:cbf5.

dazrave.net, 114inf.com, ourglass.co.uk and two other host names share IP numbers with postdocnetwork.net.

Name Servers

DNS delegation for postdocnetwork.net points to two name servers: liz.ns.cloudflare.com and vern.ns.cloudflare.com.

postdocnetwork.net uses the same name servers as several other domains — among them ehire.us, kedian.com, i-postdocs.org and two more.

The name servers of postdocnetwork.net overlap at least partially with those of other domains — among them novell-admin.ru, adsplacedhere.live, fareastvisa.ru and two more.

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

Hostnames that resolve to 6 IP addresses:

liz.ns.cloudflare.com has IP addresses 108.162.192.189, 172.64.32.189 and 173.245.58.189, plus 3 other.

vern.ns.cloudflare.com has IP addresses 108.162.193.243, 172.64.33.243 and 173.245.59.243, plus 3 other.