postdoctraining.org - dns.ninja

postdoctraining.org

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:dce🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:8519🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.13.206Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.133.25🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdayana.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2667🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A2803:f800:50::6ca2:c267🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdayana.ns.cloudflare.com
A2a06:98c1:50::ac40:2267🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdayana.ns.cloudflare.com
A108.162.194.103🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A162.159.38.103Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
A172.64.34.103🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdayana.ns.cloudflare.com
NSsage.ns.cloudflare.com
A2606:4700:58::a29f:2cec🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsage.ns.cloudflare.com
A2803:f800:50::6ca2:c3ec🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsage.ns.cloudflare.com
A2a06:98c1:50::ac40:23ec🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsage.ns.cloudflare.com
A108.162.195.236🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsage.ns.cloudflare.com
A162.159.44.236Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsage.ns.cloudflare.com
A172.64.35.236🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsage.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.13.206, 172.67.133.25
IPv6 hints2606:4700:3037::6815:dce, 2606:4700:3037::ac43:8519
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOAdayana.ns.cloudflare.comdns@cloudflare.com serial=2406206092

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1783788676

Same first word

postdoctraining.com
postdoctraining.org

Similar names

cointradingpost.com

DNS History

13 records (6 active, 7 former)

20162017201820192020202120222023202420252026NSdayana.ns.cloudflare.comsage.ns.cloudflare.comns09.domaincontrol.comns10.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.13.206172.67.133.252606:4700:3037::6815:dce2606:4700:3037::ac43:85192606:4700:3032::ac43:85192606:4700:3033::6815:dce50.63.202.43
●NSdayana.ns.cloudflare.com2026-02-15 → 2026-07-11 · 3 obs
○ 2016-09-15 00:33:14
● 2026-02-15 08:53:30
● 2026-07-11 17:12:00
○NSns09.domaincontrol.com2015-05-16 → 2016-09-15 · 4 obs
● 2015-05-16 16:59:20
● 2016-09-15 00:33:14
○ 2026-02-15 08:53:30
○ 2026-07-11 17:12:00
○NSns10.domaincontrol.com2015-05-16 → 2016-09-15 · 4 obs
● 2015-05-16 16:59:20
● 2016-09-15 00:33:14
○ 2026-02-15 08:53:30
○ 2026-07-11 17:12:00
●NSsage.ns.cloudflare.com2026-02-15 → 2026-07-11 · 3 obs
○ 2016-09-15 00:33:14
● 2026-02-15 08:53:30
● 2026-07-11 17:12:00
○MXmailstore1.secureserver.net2015-05-16 → 2026-02-16 · 4 obs
● 2015-05-16 16:59:20
● 2026-02-16 10:54:02
○ 2026-02-19 09:16:00
○ 2026-07-11 17:12:00
○MXsmtp.secureserver.net2015-05-16 → 2026-02-16 · 4 obs
● 2015-05-16 16:59:20
● 2026-02-16 10:54:02
○ 2026-02-19 09:16:00
○ 2026-07-11 17:12:00
●A104.21.13.2062026-02-15 → 2026-07-11 · 3 obs
○ 2016-09-15 00:33:14
● 2026-02-15 08:53:30
● 2026-07-11 17:12:00
●A172.67.133.252026-02-15 → 2026-07-11 · 3 obs
○ 2016-09-15 00:33:14
● 2026-02-15 08:53:30
● 2026-07-11 17:12:00
○A2606:4700:3032::ac43:85192026-02-15 → 2026-06-15 · 5 obs
○ 2016-09-15 00:33:14
● 2026-02-15 08:53:30
● 2026-06-15 08:35:10
○ 2026-07-09 03:04:14
○ 2026-07-11 17:12:00
○A2606:4700:3033::6815:dce2026-02-15 → 2026-06-15 · 5 obs
○ 2016-09-15 00:33:14
● 2026-02-15 08:53:30
● 2026-06-15 08:35:10
○ 2026-07-09 03:04:14
○ 2026-07-11 17:12:00
●A2606:4700:3037::6815:dce2026-07-09 → 2026-07-11 · 3 obs
○ 2026-06-15 08:35:10
● 2026-07-09 03:04:14
● 2026-07-11 17:12:00
●A2606:4700:3037::ac43:85192026-07-09 → 2026-07-11 · 3 obs
○ 2026-06-15 08:35:10
● 2026-07-09 03:04:14
● 2026-07-11 17:12:00
○A50.63.202.432015-05-16 → 2016-09-15 · 4 obs
● 2015-05-16 16:59:20
● 2016-09-15 00:33:14
○ 2026-02-15 08:53:30
○ 2026-07-11 17:12:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
postdoctraining.orgdayana.ns.cloudflare.com, sage.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.236

NS records: dayana.ns.cloudflare.com, sage.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postdoctraining.org (unsigned zone)

⏱️ Timing

Total: 2028ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.13.206, 172.67.133.25
AAAA22606:4700:3037::ac43:8519, 2606:4700:3037::6815:dce
NS2dayana.ns.cloudflare.com, sage.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dayana.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

postdoctraining.org points to the four IP addresses 104.21.13.206, 172.67.133.25, 2606:4700:3037::6815:dce and 2606:4700:3037::ac43:8519.

paiskincare.org, ayurveda.iloveindia.com, airunzf.com plus two other host names have IP numbers in common with postdoctraining.org.

Name Servers

postdoctraining.org is served by two delegated name servers, dayana.ns.cloudflare.com and sage.ns.cloudflare.com.

The name server configuration of postdoctraining.org is shared with other domains, for instance trackballworld.com, anfport.cl, flocksafety.com.mx and two others.

There is at least partial name server overlap between postdoctraining.org and other domains — mercuryb2b.com, bizzocasino.tv, zjzhb.cn and two more among them.

These name servers tend to appear in combination with the name servers rayden.ns.cloudflare.com, roman.ns.cloudflare.com, macy.ns.cloudflare.com and chad.ns.cloudflare.com.

Hosts with 6 IP addresses each:

dayana.ns.cloudflare.com carries IP addresses 108.162.194.103, 162.159.38.103 and 172.64.34.103, with 3 other addresses beyond those.

sage.ns.cloudflare.com carries IP addresses 108.162.195.236, 162.159.44.236 and 172.64.35.236, with 3 other addresses beyond those.