postdoctraining.com - dns.ninja

`postdoctraining.com`

DNSSEC	⚠️ Not signed
A	104.21.8.190^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.153^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`carl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`carl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`carl.ns.cloudflare.com`
		A	108.162.193.106^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	172.64.33.106^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
		A	173.245.59.106^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`carl.ns.cloudflare.com`
NS	`zita.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0f3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`zita.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20f3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`zita.ns.cloudflare.com`
		A	108.162.192.243^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	172.64.32.243^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
		A	173.245.58.243^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`zita.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c06::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bg-in-f27.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=Q_JhkaPnkc0D_ZpThxCwuen8CS3t2LJzlY-gjL5quvs`
TXT	`v=spf1 a mx ip4:185.145.13.71 a:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.8.190, 172.67.130.153
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=102, name=cloudflare-ech.com
SOA	`carl.ns.cloudflare.com`dns@cloudflare.com serial=2405837128

`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=1783670112

Previously MX for

postdoctraining.com

Subdomains

www.postdoctraining.com

Same first word

postdoctraining.com

postdoctraining.org

Similar names

cointradingpost.com

DNS History

21 records (9 active, 12 former)

●NScarl.ns.cloudflare.com2017-01-03 → 2026-07-10 · 3 obs

○ 2016-04-02 09:12:24
● 2017-01-03 00:10:12
● 2026-07-10 08:00:10

○NSns2451.hostgator.com2015-06-23 → 2016-04-02 · 4 obs

● 2015-06-23 06:13:26
● 2016-04-02 09:12:24
○ 2017-01-03 00:10:12
○ 2026-07-10 08:00:10

○NSns2452.hostgator.com2015-06-23 → 2016-04-02 · 4 obs

● 2015-06-23 06:13:26
● 2016-04-02 09:12:24
○ 2017-01-03 00:10:12
○ 2026-07-10 08:00:10

○NSns6595.hostgator.com2015-06-23 → 2016-04-02 · 4 obs

● 2015-06-23 06:13:26
● 2016-04-02 09:12:24
○ 2017-01-03 00:10:12
○ 2026-07-10 08:00:10

●NSzita.ns.cloudflare.com2017-01-03 → 2026-07-10 · 3 obs

○ 2016-04-02 09:12:24
● 2017-01-03 00:10:12
● 2026-07-10 08:00:10

●MXalt1.aspmx.l.google.com2020-02-01 → 2026-07-10 · 3 obs

○ 2017-01-03 00:10:12
● 2020-02-01 06:48:54
● 2026-07-10 08:00:10

●MXalt2.aspmx.l.google.com2020-02-01 → 2026-07-10 · 3 obs

○ 2017-01-03 00:10:12
● 2020-02-01 06:48:54
● 2026-07-10 08:00:10

●MXalt3.aspmx.l.google.com2020-02-01 → 2026-07-10 · 3 obs

○ 2017-01-03 00:10:12
● 2020-02-01 06:48:54
● 2026-07-10 08:00:10

●MXalt4.aspmx.l.google.com2020-02-01 → 2026-07-10 · 3 obs

○ 2017-01-03 00:10:12
● 2020-02-01 06:48:54
● 2026-07-10 08:00:10

●MXaspmx.l.google.com2020-02-01 → 2026-07-10 · 3 obs

○ 2017-01-03 00:10:12
● 2020-02-01 06:48:54
● 2026-07-10 08:00:10

○MXdc-0d3c6267.postdoctraining.com2017-01-03 → 2017-01-03 · 4 obs

○ 2016-04-02 09:12:24
● 2017-01-03 00:10:12
○ 2020-02-01 06:48:54
○ 2026-07-10 08:00:10

○MXpostdoctraining.com2015-06-23 → 2016-04-02 · 4 obs

● 2015-06-23 06:13:26
● 2016-04-02 09:12:24
○ 2017-01-03 00:10:12
○ 2026-07-10 08:00:10

●A104.21.8.1902026-02-15 → 2026-07-10 · 6 obs

○ 2020-02-01 06:48:54
● 2026-02-15 15:23:28
● 2026-05-17 10:50:10
○ 2026-05-28 18:52:56
● 2026-05-29 15:32:34
● 2026-07-10 08:00:10

○A104.28.6.422017-01-03 → 2020-02-01 · 5 obs

○ 2016-04-02 09:12:24
● 2017-01-03 00:10:12
● 2020-02-01 06:48:54
○ 2026-02-15 15:23:28
○ 2026-07-10 08:00:10

○A104.28.7.422017-01-03 → 2020-02-01 · 5 obs

○ 2016-04-02 09:12:24
● 2017-01-03 00:10:12
● 2020-02-01 06:48:54
○ 2026-02-15 15:23:28
○ 2026-07-10 08:00:10

●A172.67.130.1532026-02-15 → 2026-07-10 · 6 obs

○ 2020-02-01 06:48:54
● 2026-02-15 15:23:28
● 2026-05-17 10:50:10
○ 2026-05-28 18:52:56
● 2026-05-29 15:32:34
● 2026-07-10 08:00:10

○A188.114.96.02026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-17 10:50:10
● 2026-05-28 18:52:56
○ 2026-05-29 15:32:34
○ 2026-07-10 08:00:10

○A188.114.97.02026-05-28 → 2026-05-28 · 4 obs

○ 2026-05-17 10:50:10
● 2026-05-28 18:52:56
○ 2026-05-29 15:32:34
○ 2026-07-10 08:00:10

○A192.185.224.862015-06-23 → 2016-04-02 · 4 obs

● 2015-06-23 06:13:26
● 2016-04-02 09:12:24
○ 2017-01-03 00:10:12
○ 2026-07-10 08:00:10

○A2400:cb00:2048:1::681c:62a2017-01-03 → 2017-01-03 · 4 obs

○ 2016-04-02 09:12:24
● 2017-01-03 00:10:12
○ 2020-02-01 06:48:54
○ 2026-07-10 08:00:10

○A2400:cb00:2048:1::681c:72a2017-01-03 → 2017-01-03 · 4 obs

○ 2016-04-02 09:12:24
● 2017-01-03 00:10:12
○ 2020-02-01 06:48:54
○ 2026-07-10 08:00:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net...	-
postdoctraining.com	carl.ns.cloudflare.com, zita.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.243

NS records: carl.ns.cloudflare.com, zita.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postdoctraining.com (unsigned zone)

⏱️ Timing

Total: 252ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.8.190, 172.67.130.153`
NS	2	`carl.ns.cloudflare.com, zita.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=Q_JhkaPnkc0D_Zp, v=spf1 a mx ip4:185.145.13.71 a:_spf.goo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`carl.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.postdoctraining.com falls under the parent postdoctraining.com.

IP Addresses

postdoctraining.com has two IP addresses: 104.21.8.190 and 172.67.130.153

sltam.net, www.ayizomi.top, weispot.com and two other host names share IP numbers with postdoctraining.com.

Name Servers

Two name servers handle the delegation for postdoctraining.com: carl.ns.cloudflare.com and zita.ns.cloudflare.com.

postdoctraining.com uses the same name servers as several other domains — among them ozkrewards.com, repairmatters.ca, tomdispatch.com and two more.

At least some of postdoctraining.com's name servers are shared with other domains, for example asada.com.cn, tigerone.vip, asgard.pw and two more.

These name servers tend to be deployed in combination with the name servers adi.ns.cloudflare.com and olga.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

carl.ns.cloudflare.com resolves to 108.162.193.106, 172.64.33.106 and 173.245.59.106 among others, with 3 other IP addresses in total.

zita.ns.cloudflare.com resolves to 108.162.192.243, 172.64.32.243 and 173.245.58.243 among others, with 3 other IP addresses in total.

Mail Servers

Five mail servers handle postdoctraining.com: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

postdoctraining.com has at least partial mail server overlap with other domains such as ns500693.ns500693.ns500693.ns500699.ns500699.ns500693.ns500734.ns500588.ns500699.ns500588.ns500683.ns500699.ns500632.ns500632.ns500588.ns500588.dtrkdll.com, ns500731.ns500671.ns500671.ns500671.ns500671.ns500731.ns500704.ns500688.ns500678.ns500291.ns500291.lustychickser.com, ns500754.ns500731.ns500742.ns500671.ns500704.ns500688.ns500704.ns500688.ns500671.ns500705.ns500688.ns500649.ns500671.ns500291.ns500291.ns500131.lustychickser.com and two more.

These mail servers commonly co-occur with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to two addresses: 173.194.45.27 and 2607:f8b0:4004:c06::1b.

alt1.aspmx.l.google.com resolves to two addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to two addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to two addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.